/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation false -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/eca-rers2012/Problem03_label38.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 01:18:39,812 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 01:18:39,872 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-16 01:18:39,875 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 01:18:39,876 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 01:18:39,902 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 01:18:39,903 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 01:18:39,903 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 01:18:39,903 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 01:18:39,906 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 01:18:39,907 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 01:18:39,907 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 01:18:39,908 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 01:18:39,908 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 01:18:39,909 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 01:18:39,909 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 01:18:39,909 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 01:18:39,909 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 01:18:39,909 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-16 01:18:39,909 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 01:18:39,909 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 01:18:39,910 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 01:18:39,910 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 01:18:39,910 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 01:18:39,910 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 01:18:39,910 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 01:18:39,910 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 01:18:39,911 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 01:18:39,911 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 01:18:39,911 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 01:18:39,912 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 01:18:39,912 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 01:18:39,912 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 01:18:39,912 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 01:18:39,912 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 01:18:39,912 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 01:18:39,913 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-16 01:18:39,913 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-16 01:18:39,913 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 01:18:39,913 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 01:18:39,913 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 01:18:39,913 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 01:18:39,913 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 01:18:39,913 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-16 01:18:40,103 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 01:18:40,120 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 01:18:40,122 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 01:18:40,123 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 01:18:40,123 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 01:18:40,124 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem03_label38.c [2023-12-16 01:18:41,406 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 01:18:41,691 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 01:18:41,692 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem03_label38.c [2023-12-16 01:18:41,706 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/948d337fd/df8e956c65684e36a5f3370bac558540/FLAGadbb346f3 [2023-12-16 01:18:41,718 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/948d337fd/df8e956c65684e36a5f3370bac558540 [2023-12-16 01:18:41,720 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 01:18:41,721 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 01:18:41,722 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 01:18:41,723 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 01:18:41,726 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 01:18:41,726 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 01:18:41" (1/1) ... [2023-12-16 01:18:41,727 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4228a757 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:18:41, skipping insertion in model container [2023-12-16 01:18:41,727 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 01:18:41" (1/1) ... [2023-12-16 01:18:41,779 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 01:18:42,161 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem03_label38.c[61364,61377] [2023-12-16 01:18:42,200 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 01:18:42,208 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 01:18:42,420 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem03_label38.c[61364,61377] [2023-12-16 01:18:42,427 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 01:18:42,439 INFO L206 MainTranslator]: Completed translation [2023-12-16 01:18:42,440 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:18:42 WrapperNode [2023-12-16 01:18:42,440 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 01:18:42,441 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 01:18:42,441 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 01:18:42,441 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 01:18:42,445 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:18:42" (1/1) ... [2023-12-16 01:18:42,472 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:18:42" (1/1) ... [2023-12-16 01:18:42,586 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1772 [2023-12-16 01:18:42,586 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 01:18:42,587 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 01:18:42,587 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 01:18:42,588 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 01:18:42,602 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:18:42" (1/1) ... [2023-12-16 01:18:42,603 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:18:42" (1/1) ... [2023-12-16 01:18:42,622 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:18:42" (1/1) ... [2023-12-16 01:18:42,673 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-12-16 01:18:42,673 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:18:42" (1/1) ... [2023-12-16 01:18:42,673 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:18:42" (1/1) ... [2023-12-16 01:18:42,702 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:18:42" (1/1) ... [2023-12-16 01:18:42,709 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:18:42" (1/1) ... [2023-12-16 01:18:42,717 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:18:42" (1/1) ... [2023-12-16 01:18:42,726 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:18:42" (1/1) ... [2023-12-16 01:18:42,737 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 01:18:42,738 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 01:18:42,738 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 01:18:42,738 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 01:18:42,739 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:18:42" (1/1) ... [2023-12-16 01:18:42,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 01:18:42,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 01:18:42,763 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-16 01:18:42,783 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-16 01:18:42,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 01:18:42,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-16 01:18:42,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 01:18:42,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 01:18:42,893 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 01:18:42,894 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 01:18:44,278 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 01:18:44,307 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 01:18:44,307 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 01:18:44,308 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 01:18:44 BoogieIcfgContainer [2023-12-16 01:18:44,308 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 01:18:44,310 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 01:18:44,310 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 01:18:44,312 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 01:18:44,312 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 01:18:41" (1/3) ... [2023-12-16 01:18:44,313 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7882dc21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 01:18:44, skipping insertion in model container [2023-12-16 01:18:44,313 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:18:42" (2/3) ... [2023-12-16 01:18:44,313 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7882dc21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 01:18:44, skipping insertion in model container [2023-12-16 01:18:44,313 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 01:18:44" (3/3) ... [2023-12-16 01:18:44,314 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem03_label38.c [2023-12-16 01:18:44,325 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 01:18:44,325 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 01:18:44,368 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 01:18:44,372 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;@18292e28, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 01:18:44,372 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 01:18:44,376 INFO L276 IsEmpty]: Start isEmpty. Operand has 240 states, 238 states have (on average 1.9201680672268908) internal successors, (457), 239 states have internal predecessors, (457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 01:18:44,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2023-12-16 01:18:44,386 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:18:44,387 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 01:18:44,387 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:18:44,390 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:18:44,390 INFO L85 PathProgramCache]: Analyzing trace with hash -897072396, now seen corresponding path program 1 times [2023-12-16 01:18:44,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:18:44,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116752131] [2023-12-16 01:18:44,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:18:44,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:18:44,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:18:45,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 01:18:45,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:18:45,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116752131] [2023-12-16 01:18:45,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116752131] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 01:18:45,036 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 01:18:45,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 01:18:45,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155475626] [2023-12-16 01:18:45,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 01:18:45,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-16 01:18:45,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:18:45,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-16 01:18:45,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 01:18:45,073 INFO L87 Difference]: Start difference. First operand has 240 states, 238 states have (on average 1.9201680672268908) internal successors, (457), 239 states have internal predecessors, (457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 100.0) internal successors, (200), 2 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 01:18:45,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 01:18:45,124 INFO L93 Difference]: Finished difference Result 479 states and 913 transitions. [2023-12-16 01:18:45,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-16 01:18:45,130 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 100.0) internal successors, (200), 2 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 200 [2023-12-16 01:18:45,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 01:18:45,137 INFO L225 Difference]: With dead ends: 479 [2023-12-16 01:18:45,137 INFO L226 Difference]: Without dead ends: 238 [2023-12-16 01:18:45,143 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 01:18:45,146 INFO L413 NwaCegarLoop]: 392 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 01:18:45,147 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 392 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 01:18:45,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2023-12-16 01:18:45,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 238. [2023-12-16 01:18:45,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 237 states have (on average 1.6540084388185654) internal successors, (392), 237 states have internal predecessors, (392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 01:18:45,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 392 transitions. [2023-12-16 01:18:45,187 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 392 transitions. Word has length 200 [2023-12-16 01:18:45,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 01:18:45,188 INFO L495 AbstractCegarLoop]: Abstraction has 238 states and 392 transitions. [2023-12-16 01:18:45,188 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 100.0) internal successors, (200), 2 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 01:18:45,188 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 392 transitions. [2023-12-16 01:18:45,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2023-12-16 01:18:45,190 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:18:45,190 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 01:18:45,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-16 01:18:45,191 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:18:45,191 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:18:45,191 INFO L85 PathProgramCache]: Analyzing trace with hash 840374366, now seen corresponding path program 1 times [2023-12-16 01:18:45,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:18:45,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114427015] [2023-12-16 01:18:45,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:18:45,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:18:45,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:18:45,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 01:18:45,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:18:45,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114427015] [2023-12-16 01:18:45,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [114427015] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 01:18:45,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 01:18:45,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 01:18:45,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344081673] [2023-12-16 01:18:45,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 01:18:45,478 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 01:18:45,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:18:45,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 01:18:45,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 01:18:45,479 INFO L87 Difference]: Start difference. First operand 238 states and 392 transitions. Second operand has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 2 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 01:18:46,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 01:18:46,241 INFO L93 Difference]: Finished difference Result 698 states and 1151 transitions. [2023-12-16 01:18:46,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 01:18:46,242 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 2 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 200 [2023-12-16 01:18:46,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 01:18:46,245 INFO L225 Difference]: With dead ends: 698 [2023-12-16 01:18:46,245 INFO L226 Difference]: Without dead ends: 461 [2023-12-16 01:18:46,246 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 01:18:46,246 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 55 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 602 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 707 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 602 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-16 01:18:46,247 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 148 Invalid, 707 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 602 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-16 01:18:46,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2023-12-16 01:18:46,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 459. [2023-12-16 01:18:46,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 459 states, 458 states have (on average 1.539301310043668) internal successors, (705), 458 states have internal predecessors, (705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 01:18:46,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 705 transitions. [2023-12-16 01:18:46,259 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 705 transitions. Word has length 200 [2023-12-16 01:18:46,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 01:18:46,259 INFO L495 AbstractCegarLoop]: Abstraction has 459 states and 705 transitions. [2023-12-16 01:18:46,260 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 2 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 01:18:46,260 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 705 transitions. [2023-12-16 01:18:46,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2023-12-16 01:18:46,262 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:18:46,263 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 01:18:46,263 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-16 01:18:46,263 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:18:46,263 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:18:46,263 INFO L85 PathProgramCache]: Analyzing trace with hash 30681759, now seen corresponding path program 1 times [2023-12-16 01:18:46,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:18:46,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918949687] [2023-12-16 01:18:46,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:18:46,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:18:46,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:18:46,454 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 01:18:46,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:18:46,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918949687] [2023-12-16 01:18:46,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918949687] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 01:18:46,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 01:18:46,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 01:18:46,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765807954] [2023-12-16 01:18:46,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 01:18:46,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 01:18:46,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:18:46,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 01:18:46,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 01:18:46,463 INFO L87 Difference]: Start difference. First operand 459 states and 705 transitions. Second operand has 3 states, 3 states have (on average 69.33333333333333) internal successors, (208), 2 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 01:18:47,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 01:18:47,106 INFO L93 Difference]: Finished difference Result 1343 states and 2078 transitions. [2023-12-16 01:18:47,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 01:18:47,107 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 69.33333333333333) internal successors, (208), 2 states have internal predecessors, (208), 0 states have call successors, (0), 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 208 [2023-12-16 01:18:47,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 01:18:47,110 INFO L225 Difference]: With dead ends: 1343 [2023-12-16 01:18:47,110 INFO L226 Difference]: Without dead ends: 885 [2023-12-16 01:18:47,111 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 01:18:47,112 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 247 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 585 mSolverCounterSat, 195 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 780 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 195 IncrementalHoareTripleChecker+Valid, 585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-16 01:18:47,112 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 90 Invalid, 780 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [195 Valid, 585 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-16 01:18:47,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 885 states. [2023-12-16 01:18:47,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 885 to 869. [2023-12-16 01:18:47,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 869 states, 868 states have (on average 1.512672811059908) internal successors, (1313), 868 states have internal predecessors, (1313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 01:18:47,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 869 states and 1313 transitions. [2023-12-16 01:18:47,124 INFO L78 Accepts]: Start accepts. Automaton has 869 states and 1313 transitions. Word has length 208 [2023-12-16 01:18:47,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 01:18:47,125 INFO L495 AbstractCegarLoop]: Abstraction has 869 states and 1313 transitions. [2023-12-16 01:18:47,125 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 69.33333333333333) internal successors, (208), 2 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 01:18:47,125 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 1313 transitions. [2023-12-16 01:18:47,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2023-12-16 01:18:47,127 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:18:47,127 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 01:18:47,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-16 01:18:47,127 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:18:47,128 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:18:47,128 INFO L85 PathProgramCache]: Analyzing trace with hash 588149208, now seen corresponding path program 1 times [2023-12-16 01:18:47,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:18:47,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229901238] [2023-12-16 01:18:47,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:18:47,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:18:47,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:18:47,355 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-16 01:18:47,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:18:47,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229901238] [2023-12-16 01:18:47,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229901238] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 01:18:47,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 01:18:47,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 01:18:47,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836255411] [2023-12-16 01:18:47,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 01:18:47,357 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 01:18:47,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:18:47,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 01:18:47,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 01:18:47,357 INFO L87 Difference]: Start difference. First operand 869 states and 1313 transitions. Second operand has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 01:18:47,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 01:18:47,994 INFO L93 Difference]: Finished difference Result 2553 states and 3868 transitions. [2023-12-16 01:18:47,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 01:18:47,994 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 0 states have call successors, (0), 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 220 [2023-12-16 01:18:47,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 01:18:47,999 INFO L225 Difference]: With dead ends: 2553 [2023-12-16 01:18:47,999 INFO L226 Difference]: Without dead ends: 1685 [2023-12-16 01:18:48,000 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 01:18:48,001 INFO L413 NwaCegarLoop]: 386 mSDtfsCounter, 232 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 170 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 701 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 170 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-16 01:18:48,001 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [232 Valid, 414 Invalid, 701 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [170 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-16 01:18:48,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1685 states. [2023-12-16 01:18:48,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1685 to 1683. [2023-12-16 01:18:48,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1683 states, 1682 states have (on average 1.3365041617122473) internal successors, (2248), 1682 states have internal predecessors, (2248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 01:18:48,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1683 states to 1683 states and 2248 transitions. [2023-12-16 01:18:48,021 INFO L78 Accepts]: Start accepts. Automaton has 1683 states and 2248 transitions. Word has length 220 [2023-12-16 01:18:48,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 01:18:48,022 INFO L495 AbstractCegarLoop]: Abstraction has 1683 states and 2248 transitions. [2023-12-16 01:18:48,022 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 01:18:48,022 INFO L276 IsEmpty]: Start isEmpty. Operand 1683 states and 2248 transitions. [2023-12-16 01:18:48,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2023-12-16 01:18:48,025 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:18:48,025 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 01:18:48,025 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-16 01:18:48,025 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:18:48,026 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:18:48,026 INFO L85 PathProgramCache]: Analyzing trace with hash -1422248459, now seen corresponding path program 1 times [2023-12-16 01:18:48,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:18:48,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553961601] [2023-12-16 01:18:48,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:18:48,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:18:48,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:18:48,285 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 01:18:48,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:18:48,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553961601] [2023-12-16 01:18:48,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553961601] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 01:18:48,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 01:18:48,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 01:18:48,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654327380] [2023-12-16 01:18:48,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 01:18:48,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 01:18:48,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:18:48,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 01:18:48,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 01:18:48,288 INFO L87 Difference]: Start difference. First operand 1683 states and 2248 transitions. Second operand has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 2 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 01:18:48,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 01:18:48,881 INFO L93 Difference]: Finished difference Result 5016 states and 6706 transitions. [2023-12-16 01:18:48,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 01:18:48,882 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 2 states have internal predecessors, (223), 0 states have call successors, (0), 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 223 [2023-12-16 01:18:48,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 01:18:48,890 INFO L225 Difference]: With dead ends: 5016 [2023-12-16 01:18:48,890 INFO L226 Difference]: Without dead ends: 3334 [2023-12-16 01:18:48,891 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 01:18:48,892 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 259 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 691 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 259 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 710 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 691 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-16 01:18:48,892 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [259 Valid, 121 Invalid, 710 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 691 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-16 01:18:48,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3334 states. [2023-12-16 01:18:48,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3334 to 3325. [2023-12-16 01:18:48,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3325 states, 3324 states have (on average 1.3231046931407942) internal successors, (4398), 3324 states have internal predecessors, (4398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 01:18:48,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3325 states to 3325 states and 4398 transitions. [2023-12-16 01:18:48,933 INFO L78 Accepts]: Start accepts. Automaton has 3325 states and 4398 transitions. Word has length 223 [2023-12-16 01:18:48,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 01:18:48,933 INFO L495 AbstractCegarLoop]: Abstraction has 3325 states and 4398 transitions. [2023-12-16 01:18:48,933 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 2 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 01:18:48,933 INFO L276 IsEmpty]: Start isEmpty. Operand 3325 states and 4398 transitions. [2023-12-16 01:18:48,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2023-12-16 01:18:48,938 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:18:48,939 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 01:18:48,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-16 01:18:48,939 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:18:48,939 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:18:48,939 INFO L85 PathProgramCache]: Analyzing trace with hash 1749045427, now seen corresponding path program 1 times [2023-12-16 01:18:48,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:18:48,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191473875] [2023-12-16 01:18:48,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:18:48,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:18:48,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:18:49,114 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 01:18:49,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:18:49,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191473875] [2023-12-16 01:18:49,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191473875] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 01:18:49,114 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 01:18:49,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 01:18:49,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191638901] [2023-12-16 01:18:49,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 01:18:49,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 01:18:49,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:18:49,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 01:18:49,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 01:18:49,116 INFO L87 Difference]: Start difference. First operand 3325 states and 4398 transitions. Second operand has 3 states, 3 states have (on average 75.33333333333333) internal successors, (226), 2 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 01:18:49,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 01:18:49,821 INFO L93 Difference]: Finished difference Result 9927 states and 13144 transitions. [2023-12-16 01:18:49,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 01:18:49,822 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 75.33333333333333) internal successors, (226), 2 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 226 [2023-12-16 01:18:49,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 01:18:49,839 INFO L225 Difference]: With dead ends: 9927 [2023-12-16 01:18:49,839 INFO L226 Difference]: Without dead ends: 6603 [2023-12-16 01:18:49,844 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 01:18:49,846 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 219 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 646 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 711 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 646 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-16 01:18:49,848 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 165 Invalid, 711 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 646 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-16 01:18:49,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6603 states. [2023-12-16 01:18:49,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6603 to 5767. [2023-12-16 01:18:49,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5767 states, 5766 states have (on average 1.3371488033298646) internal successors, (7710), 5766 states have internal predecessors, (7710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 01:18:49,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5767 states to 5767 states and 7710 transitions. [2023-12-16 01:18:49,943 INFO L78 Accepts]: Start accepts. Automaton has 5767 states and 7710 transitions. Word has length 226 [2023-12-16 01:18:49,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 01:18:49,944 INFO L495 AbstractCegarLoop]: Abstraction has 5767 states and 7710 transitions. [2023-12-16 01:18:49,945 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 75.33333333333333) internal successors, (226), 2 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 01:18:49,945 INFO L276 IsEmpty]: Start isEmpty. Operand 5767 states and 7710 transitions. [2023-12-16 01:18:49,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2023-12-16 01:18:49,957 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:18:49,958 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 01:18:49,958 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-16 01:18:49,959 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:18:49,959 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:18:49,959 INFO L85 PathProgramCache]: Analyzing trace with hash 520275530, now seen corresponding path program 1 times [2023-12-16 01:18:49,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:18:49,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925786489] [2023-12-16 01:18:49,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:18:49,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:18:50,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:18:50,233 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-16 01:18:50,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:18:50,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925786489] [2023-12-16 01:18:50,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925786489] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 01:18:50,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 01:18:50,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 01:18:50,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397419351] [2023-12-16 01:18:50,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 01:18:50,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 01:18:50,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:18:50,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 01:18:50,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 01:18:50,235 INFO L87 Difference]: Start difference. First operand 5767 states and 7710 transitions. Second operand has 3 states, 3 states have (on average 76.66666666666667) internal successors, (230), 3 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 01:18:50,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 01:18:50,898 INFO L93 Difference]: Finished difference Result 14590 states and 19419 transitions. [2023-12-16 01:18:50,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 01:18:50,898 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 76.66666666666667) internal successors, (230), 3 states have internal predecessors, (230), 0 states have call successors, (0), 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 235 [2023-12-16 01:18:50,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 01:18:50,918 INFO L225 Difference]: With dead ends: 14590 [2023-12-16 01:18:50,918 INFO L226 Difference]: Without dead ends: 8824 [2023-12-16 01:18:50,924 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 01:18:50,925 INFO L413 NwaCegarLoop]: 396 mSDtfsCounter, 202 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 601 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 737 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 601 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-16 01:18:50,925 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 418 Invalid, 737 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 601 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-16 01:18:50,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8824 states. [2023-12-16 01:18:51,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8824 to 8820. [2023-12-16 01:18:51,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8820 states, 8819 states have (on average 1.2787164077559814) internal successors, (11277), 8819 states have internal predecessors, (11277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 01:18:51,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8820 states to 8820 states and 11277 transitions. [2023-12-16 01:18:51,049 INFO L78 Accepts]: Start accepts. Automaton has 8820 states and 11277 transitions. Word has length 235 [2023-12-16 01:18:51,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 01:18:51,049 INFO L495 AbstractCegarLoop]: Abstraction has 8820 states and 11277 transitions. [2023-12-16 01:18:51,049 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 76.66666666666667) internal successors, (230), 3 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 01:18:51,049 INFO L276 IsEmpty]: Start isEmpty. Operand 8820 states and 11277 transitions. [2023-12-16 01:18:51,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2023-12-16 01:18:51,061 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:18:51,061 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 01:18:51,061 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-16 01:18:51,062 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:18:51,062 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:18:51,062 INFO L85 PathProgramCache]: Analyzing trace with hash -470736308, now seen corresponding path program 1 times [2023-12-16 01:18:51,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:18:51,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428587089] [2023-12-16 01:18:51,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:18:51,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:18:51,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:18:51,407 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 36 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 01:18:51,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:18:51,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428587089] [2023-12-16 01:18:51,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428587089] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 01:18:51,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1747065637] [2023-12-16 01:18:51,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:18:51,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 01:18:51,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 01:18:51,428 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 01:18:51,449 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-16 01:18:51,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:18:51,582 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 01:18:51,592 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 01:18:51,658 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-16 01:18:51,658 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 01:18:51,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1747065637] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 01:18:51,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-16 01:18:51,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2023-12-16 01:18:51,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496149491] [2023-12-16 01:18:51,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 01:18:51,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 01:18:51,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:18:51,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 01:18:51,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-16 01:18:51,660 INFO L87 Difference]: Start difference. First operand 8820 states and 11277 transitions. Second operand has 3 states, 3 states have (on average 77.33333333333333) internal successors, (232), 2 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 01:18:52,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 01:18:52,443 INFO L93 Difference]: Finished difference Result 25784 states and 33054 transitions. [2023-12-16 01:18:52,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 01:18:52,444 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 77.33333333333333) internal successors, (232), 2 states have internal predecessors, (232), 0 states have call successors, (0), 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 237 [2023-12-16 01:18:52,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 01:18:52,477 INFO L225 Difference]: With dead ends: 25784 [2023-12-16 01:18:52,477 INFO L226 Difference]: Without dead ends: 16965 [2023-12-16 01:18:52,488 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-16 01:18:52,488 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 230 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 639 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 716 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 639 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-16 01:18:52,489 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [230 Valid, 166 Invalid, 716 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 639 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-16 01:18:52,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16965 states. [2023-12-16 01:18:52,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16965 to 16558. [2023-12-16 01:18:52,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16558 states, 16557 states have (on average 1.2508304644561212) internal successors, (20710), 16557 states have internal predecessors, (20710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 01:18:52,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16558 states to 16558 states and 20710 transitions. [2023-12-16 01:18:52,787 INFO L78 Accepts]: Start accepts. Automaton has 16558 states and 20710 transitions. Word has length 237 [2023-12-16 01:18:52,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 01:18:52,787 INFO L495 AbstractCegarLoop]: Abstraction has 16558 states and 20710 transitions. [2023-12-16 01:18:52,787 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 77.33333333333333) internal successors, (232), 2 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 01:18:52,787 INFO L276 IsEmpty]: Start isEmpty. Operand 16558 states and 20710 transitions. [2023-12-16 01:18:52,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2023-12-16 01:18:52,809 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:18:52,809 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 01:18:52,827 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-16 01:18:53,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 01:18:53,015 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:18:53,016 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:18:53,016 INFO L85 PathProgramCache]: Analyzing trace with hash -804536183, now seen corresponding path program 1 times [2023-12-16 01:18:53,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:18:53,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113632631] [2023-12-16 01:18:53,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:18:53,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:18:53,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:18:53,335 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 01:18:53,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:18:53,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113632631] [2023-12-16 01:18:53,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113632631] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 01:18:53,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 01:18:53,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 01:18:53,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602542782] [2023-12-16 01:18:53,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 01:18:53,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 01:18:53,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:18:53,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 01:18:53,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 01:18:53,339 INFO L87 Difference]: Start difference. First operand 16558 states and 20710 transitions. Second operand has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 2 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 01:18:54,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 01:18:54,143 INFO L93 Difference]: Finished difference Result 38427 states and 47957 transitions. [2023-12-16 01:18:54,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 01:18:54,144 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 2 states have internal predecessors, (241), 0 states have call successors, (0), 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 241 [2023-12-16 01:18:54,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 01:18:54,176 INFO L225 Difference]: With dead ends: 38427 [2023-12-16 01:18:54,176 INFO L226 Difference]: Without dead ends: 21870 [2023-12-16 01:18:54,191 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 01:18:54,193 INFO L413 NwaCegarLoop]: 169 mSDtfsCounter, 197 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 720 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 760 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 720 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-16 01:18:54,193 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 193 Invalid, 760 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 720 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-16 01:18:54,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21870 states. [2023-12-16 01:18:54,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21870 to 21856. [2023-12-16 01:18:54,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21856 states, 21855 states have (on average 1.2372912377030427) internal successors, (27041), 21855 states have internal predecessors, (27041), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 01:18:54,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21856 states to 21856 states and 27041 transitions. [2023-12-16 01:18:54,486 INFO L78 Accepts]: Start accepts. Automaton has 21856 states and 27041 transitions. Word has length 241 [2023-12-16 01:18:54,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 01:18:54,486 INFO L495 AbstractCegarLoop]: Abstraction has 21856 states and 27041 transitions. [2023-12-16 01:18:54,487 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 2 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 01:18:54,487 INFO L276 IsEmpty]: Start isEmpty. Operand 21856 states and 27041 transitions. [2023-12-16 01:18:54,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2023-12-16 01:18:54,513 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:18:54,513 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 01:18:54,513 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-16 01:18:54,514 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:18:54,514 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:18:54,514 INFO L85 PathProgramCache]: Analyzing trace with hash 1838501018, now seen corresponding path program 1 times [2023-12-16 01:18:54,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:18:54,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503494955] [2023-12-16 01:18:54,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:18:54,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:18:54,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:18:54,893 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 47 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 01:18:54,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:18:54,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503494955] [2023-12-16 01:18:54,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503494955] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 01:18:54,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [333505408] [2023-12-16 01:18:54,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:18:54,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 01:18:54,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 01:18:54,895 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 01:18:54,931 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-16 01:18:55,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:18:55,121 INFO L262 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-16 01:18:55,125 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 01:18:55,323 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-16 01:18:55,323 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 01:18:55,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [333505408] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 01:18:55,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-16 01:18:55,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2023-12-16 01:18:55,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245267570] [2023-12-16 01:18:55,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 01:18:55,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 01:18:55,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:18:55,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 01:18:55,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-16 01:18:55,324 INFO L87 Difference]: Start difference. First operand 21856 states and 27041 transitions. Second operand has 3 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 01:18:56,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 01:18:56,120 INFO L93 Difference]: Finished difference Result 50636 states and 63476 transitions. [2023-12-16 01:18:56,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 01:18:56,121 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 0 states have call successors, (0), 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 248 [2023-12-16 01:18:56,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 01:18:56,169 INFO L225 Difference]: With dead ends: 50636 [2023-12-16 01:18:56,169 INFO L226 Difference]: Without dead ends: 29390 [2023-12-16 01:18:56,194 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-16 01:18:56,195 INFO L413 NwaCegarLoop]: 366 mSDtfsCounter, 52 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 590 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 395 SdHoareTripleChecker+Invalid, 719 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 590 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-16 01:18:56,195 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 395 Invalid, 719 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 590 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-16 01:18:56,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29390 states. [2023-12-16 01:18:56,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29390 to 29377. [2023-12-16 01:18:56,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29377 states, 29376 states have (on average 1.2390046296296295) internal successors, (36397), 29376 states have internal predecessors, (36397), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 01:18:56,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29377 states to 29377 states and 36397 transitions. [2023-12-16 01:18:56,688 INFO L78 Accepts]: Start accepts. Automaton has 29377 states and 36397 transitions. Word has length 248 [2023-12-16 01:18:56,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 01:18:56,688 INFO L495 AbstractCegarLoop]: Abstraction has 29377 states and 36397 transitions. [2023-12-16 01:18:56,688 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 01:18:56,689 INFO L276 IsEmpty]: Start isEmpty. Operand 29377 states and 36397 transitions. [2023-12-16 01:18:56,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2023-12-16 01:18:56,718 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:18:56,718 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 01:18:56,723 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-16 01:18:56,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-12-16 01:18:56,924 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:18:56,924 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:18:56,924 INFO L85 PathProgramCache]: Analyzing trace with hash -1325453329, now seen corresponding path program 1 times [2023-12-16 01:18:56,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:18:56,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89806149] [2023-12-16 01:18:56,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:18:56,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:18:56,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:18:57,230 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 72 proven. 6 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-12-16 01:18:57,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:18:57,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89806149] [2023-12-16 01:18:57,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89806149] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 01:18:57,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1279305911] [2023-12-16 01:18:57,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:18:57,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 01:18:57,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 01:18:57,244 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 01:18:57,418 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-16 01:18:57,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:18:57,492 INFO L262 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 01:18:57,506 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 01:18:57,530 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-16 01:18:57,531 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 01:18:57,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1279305911] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 01:18:57,531 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-16 01:18:57,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2023-12-16 01:18:57,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940529632] [2023-12-16 01:18:57,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 01:18:57,532 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 01:18:57,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:18:57,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 01:18:57,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-16 01:18:57,532 INFO L87 Difference]: Start difference. First operand 29377 states and 36397 transitions. Second operand has 3 states, 3 states have (on average 87.33333333333333) internal successors, (262), 3 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 01:18:58,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 01:18:58,517 INFO L93 Difference]: Finished difference Result 70327 states and 88562 transitions. [2023-12-16 01:18:58,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 01:18:58,518 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 87.33333333333333) internal successors, (262), 3 states have internal predecessors, (262), 0 states have call successors, (0), 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 267 [2023-12-16 01:18:58,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 01:18:58,575 INFO L225 Difference]: With dead ends: 70327 [2023-12-16 01:18:58,575 INFO L226 Difference]: Without dead ends: 41154 [2023-12-16 01:18:58,600 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 269 GetRequests, 266 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-16 01:18:58,600 INFO L413 NwaCegarLoop]: 145 mSDtfsCounter, 223 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 520 mSolverCounterSat, 200 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 200 IncrementalHoareTripleChecker+Valid, 520 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-16 01:18:58,601 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [223 Valid, 170 Invalid, 720 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [200 Valid, 520 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-16 01:18:58,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41154 states. [2023-12-16 01:18:59,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41154 to 40745. [2023-12-16 01:18:59,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40745 states, 40744 states have (on average 1.2023856273316316) internal successors, (48990), 40744 states have internal predecessors, (48990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 01:18:59,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40745 states to 40745 states and 48990 transitions. [2023-12-16 01:18:59,210 INFO L78 Accepts]: Start accepts. Automaton has 40745 states and 48990 transitions. Word has length 267 [2023-12-16 01:18:59,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 01:18:59,211 INFO L495 AbstractCegarLoop]: Abstraction has 40745 states and 48990 transitions. [2023-12-16 01:18:59,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 87.33333333333333) internal successors, (262), 3 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 01:18:59,211 INFO L276 IsEmpty]: Start isEmpty. Operand 40745 states and 48990 transitions. [2023-12-16 01:18:59,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2023-12-16 01:18:59,239 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:18:59,239 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 01:18:59,244 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-12-16 01:18:59,444 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 01:18:59,445 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:18:59,445 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:18:59,445 INFO L85 PathProgramCache]: Analyzing trace with hash -1057820554, now seen corresponding path program 1 times [2023-12-16 01:18:59,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:18:59,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196059145] [2023-12-16 01:18:59,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:18:59,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:18:59,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:18:59,859 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 71 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-16 01:18:59,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:18:59,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196059145] [2023-12-16 01:18:59,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [196059145] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 01:18:59,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [887757998] [2023-12-16 01:18:59,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:18:59,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 01:18:59,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 01:18:59,861 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 01:18:59,889 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-16 01:19:00,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:19:00,018 INFO L262 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 01:19:00,021 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 01:19:00,044 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-16 01:19:00,045 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 01:19:00,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [887757998] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 01:19:00,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-16 01:19:00,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2023-12-16 01:19:00,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786508631] [2023-12-16 01:19:00,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 01:19:00,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 01:19:00,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:19:00,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 01:19:00,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-16 01:19:00,047 INFO L87 Difference]: Start difference. First operand 40745 states and 48990 transitions. Second operand has 3 states, 3 states have (on average 87.66666666666667) internal successors, (263), 3 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 01:19:00,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 01:19:00,886 INFO L93 Difference]: Finished difference Result 81289 states and 97760 transitions. [2023-12-16 01:19:00,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 01:19:00,886 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 87.66666666666667) internal successors, (263), 3 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 268 [2023-12-16 01:19:00,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 01:19:00,936 INFO L225 Difference]: With dead ends: 81289 [2023-12-16 01:19:00,937 INFO L226 Difference]: Without dead ends: 40748 [2023-12-16 01:19:00,969 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 267 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-16 01:19:00,970 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 259 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 610 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 259 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 665 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 610 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-16 01:19:00,970 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [259 Valid, 95 Invalid, 665 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 610 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-16 01:19:01,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40748 states. [2023-12-16 01:19:01,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40748 to 40745. [2023-12-16 01:19:01,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40745 states, 40744 states have (on average 1.190113881798547) internal successors, (48490), 40744 states have internal predecessors, (48490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 01:19:01,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40745 states to 40745 states and 48490 transitions. [2023-12-16 01:19:01,772 INFO L78 Accepts]: Start accepts. Automaton has 40745 states and 48490 transitions. Word has length 268 [2023-12-16 01:19:01,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 01:19:01,773 INFO L495 AbstractCegarLoop]: Abstraction has 40745 states and 48490 transitions. [2023-12-16 01:19:01,773 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 87.66666666666667) internal successors, (263), 3 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 01:19:01,773 INFO L276 IsEmpty]: Start isEmpty. Operand 40745 states and 48490 transitions. [2023-12-16 01:19:01,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2023-12-16 01:19:01,859 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:19:01,860 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 01:19:01,901 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-12-16 01:19:02,076 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 01:19:02,077 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:19:02,077 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:19:02,077 INFO L85 PathProgramCache]: Analyzing trace with hash -603815605, now seen corresponding path program 1 times [2023-12-16 01:19:02,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:19:02,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273856450] [2023-12-16 01:19:02,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:19:02,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:19:02,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:19:02,420 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-16 01:19:02,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:19:02,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273856450] [2023-12-16 01:19:02,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273856450] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 01:19:02,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 01:19:02,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 01:19:02,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852045550] [2023-12-16 01:19:02,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 01:19:02,421 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 01:19:02,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:19:02,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 01:19:02,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 01:19:02,422 INFO L87 Difference]: Start difference. First operand 40745 states and 48490 transitions. Second operand has 3 states, 3 states have (on average 75.66666666666667) internal successors, (227), 3 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 01:19:03,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 01:19:03,298 INFO L93 Difference]: Finished difference Result 87198 states and 103811 transitions. [2023-12-16 01:19:03,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 01:19:03,312 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 75.66666666666667) internal successors, (227), 3 states have internal predecessors, (227), 0 states have call successors, (0), 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 271 [2023-12-16 01:19:03,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 01:19:03,368 INFO L225 Difference]: With dead ends: 87198 [2023-12-16 01:19:03,369 INFO L226 Difference]: Without dead ends: 46657 [2023-12-16 01:19:03,400 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 01:19:03,401 INFO L413 NwaCegarLoop]: 358 mSDtfsCounter, 214 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 565 mSolverCounterSat, 161 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 726 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 161 IncrementalHoareTripleChecker+Valid, 565 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-16 01:19:03,401 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 378 Invalid, 726 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [161 Valid, 565 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-16 01:19:03,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46657 states. [2023-12-16 01:19:04,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46657 to 39319. [2023-12-16 01:19:04,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39319 states, 39318 states have (on average 1.188107228241518) internal successors, (46714), 39318 states have internal predecessors, (46714), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 01:19:04,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39319 states to 39319 states and 46714 transitions. [2023-12-16 01:19:04,076 INFO L78 Accepts]: Start accepts. Automaton has 39319 states and 46714 transitions. Word has length 271 [2023-12-16 01:19:04,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 01:19:04,076 INFO L495 AbstractCegarLoop]: Abstraction has 39319 states and 46714 transitions. [2023-12-16 01:19:04,077 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 75.66666666666667) internal successors, (227), 3 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 01:19:04,077 INFO L276 IsEmpty]: Start isEmpty. Operand 39319 states and 46714 transitions. [2023-12-16 01:19:04,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2023-12-16 01:19:04,107 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:19:04,108 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 01:19:04,108 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-16 01:19:04,108 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:19:04,108 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:19:04,108 INFO L85 PathProgramCache]: Analyzing trace with hash -1224538522, now seen corresponding path program 1 times [2023-12-16 01:19:04,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:19:04,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269343247] [2023-12-16 01:19:04,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:19:04,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:19:04,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:19:04,496 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2023-12-16 01:19:04,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:19:04,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269343247] [2023-12-16 01:19:04,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269343247] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 01:19:04,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 01:19:04,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 01:19:04,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70456039] [2023-12-16 01:19:04,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 01:19:04,497 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 01:19:04,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:19:04,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 01:19:04,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-16 01:19:04,497 INFO L87 Difference]: Start difference. First operand 39319 states and 46714 transitions. Second operand has 4 states, 4 states have (on average 62.0) internal successors, (248), 3 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 01:19:05,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 01:19:05,876 INFO L93 Difference]: Finished difference Result 78676 states and 93502 transitions. [2023-12-16 01:19:05,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 01:19:05,876 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 62.0) internal successors, (248), 3 states have internal predecessors, (248), 0 states have call successors, (0), 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 287 [2023-12-16 01:19:05,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 01:19:05,922 INFO L225 Difference]: With dead ends: 78676 [2023-12-16 01:19:05,922 INFO L226 Difference]: Without dead ends: 39561 [2023-12-16 01:19:06,054 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-16 01:19:06,060 INFO L413 NwaCegarLoop]: 136 mSDtfsCounter, 445 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 1059 mSolverCounterSat, 334 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 445 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 1393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 334 IncrementalHoareTripleChecker+Valid, 1059 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-16 01:19:06,060 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [445 Valid, 164 Invalid, 1393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [334 Valid, 1059 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-16 01:19:06,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39561 states. [2023-12-16 01:19:06,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39561 to 38099. [2023-12-16 01:19:06,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38099 states, 38098 states have (on average 1.1901674628589427) internal successors, (45343), 38098 states have internal predecessors, (45343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 01:19:06,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38099 states to 38099 states and 45343 transitions. [2023-12-16 01:19:06,624 INFO L78 Accepts]: Start accepts. Automaton has 38099 states and 45343 transitions. Word has length 287 [2023-12-16 01:19:06,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 01:19:06,625 INFO L495 AbstractCegarLoop]: Abstraction has 38099 states and 45343 transitions. [2023-12-16 01:19:06,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 62.0) internal successors, (248), 3 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 01:19:06,626 INFO L276 IsEmpty]: Start isEmpty. Operand 38099 states and 45343 transitions. [2023-12-16 01:19:06,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2023-12-16 01:19:06,655 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:19:06,655 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 01:19:06,655 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-12-16 01:19:06,655 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:19:06,656 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:19:06,656 INFO L85 PathProgramCache]: Analyzing trace with hash -1312668582, now seen corresponding path program 1 times [2023-12-16 01:19:06,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:19:06,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860997887] [2023-12-16 01:19:06,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:19:06,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:19:06,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:19:07,723 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 101 proven. 6 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-12-16 01:19:07,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:19:07,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860997887] [2023-12-16 01:19:07,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [860997887] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 01:19:07,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [232319531] [2023-12-16 01:19:07,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:19:07,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 01:19:07,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 01:19:07,733 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 01:19:07,798 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-16 01:19:07,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:19:07,939 INFO L262 TraceCheckSpWp]: Trace formula consists of 564 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 01:19:07,943 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 01:19:07,963 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-16 01:19:07,963 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 01:19:07,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [232319531] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 01:19:07,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-16 01:19:07,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2023-12-16 01:19:07,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686057575] [2023-12-16 01:19:07,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 01:19:07,964 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 01:19:07,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:19:07,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 01:19:07,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-16 01:19:07,964 INFO L87 Difference]: Start difference. First operand 38099 states and 45343 transitions. Second operand has 3 states, 3 states have (on average 94.33333333333333) internal successors, (283), 3 states have internal predecessors, (283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 01:19:08,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 01:19:08,677 INFO L93 Difference]: Finished difference Result 75388 states and 89772 transitions. [2023-12-16 01:19:08,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 01:19:08,678 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 94.33333333333333) internal successors, (283), 3 states have internal predecessors, (283), 0 states have call successors, (0), 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 293 [2023-12-16 01:19:08,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 01:19:08,718 INFO L225 Difference]: With dead ends: 75388 [2023-12-16 01:19:08,719 INFO L226 Difference]: Without dead ends: 37493 [2023-12-16 01:19:08,744 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 296 GetRequests, 292 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-16 01:19:08,744 INFO L413 NwaCegarLoop]: 319 mSDtfsCounter, 261 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 627 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 261 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 627 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-16 01:19:08,744 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [261 Valid, 339 Invalid, 660 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 627 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-16 01:19:08,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37493 states. [2023-12-16 01:19:09,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37493 to 37490. [2023-12-16 01:19:09,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37490 states, 37489 states have (on average 1.1819733788577982) internal successors, (44311), 37489 states have internal predecessors, (44311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 01:19:09,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37490 states to 37490 states and 44311 transitions. [2023-12-16 01:19:09,238 INFO L78 Accepts]: Start accepts. Automaton has 37490 states and 44311 transitions. Word has length 293 [2023-12-16 01:19:09,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 01:19:09,238 INFO L495 AbstractCegarLoop]: Abstraction has 37490 states and 44311 transitions. [2023-12-16 01:19:09,238 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 94.33333333333333) internal successors, (283), 3 states have internal predecessors, (283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 01:19:09,238 INFO L276 IsEmpty]: Start isEmpty. Operand 37490 states and 44311 transitions. [2023-12-16 01:19:09,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2023-12-16 01:19:09,305 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:19:09,305 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 01:19:09,313 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-12-16 01:19:09,510 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-12-16 01:19:09,511 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:19:09,511 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:19:09,511 INFO L85 PathProgramCache]: Analyzing trace with hash -1496048457, now seen corresponding path program 1 times [2023-12-16 01:19:09,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:19:09,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989747084] [2023-12-16 01:19:09,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:19:09,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:19:09,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:19:09,946 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 109 proven. 6 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2023-12-16 01:19:09,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:19:09,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989747084] [2023-12-16 01:19:09,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989747084] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 01:19:09,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [350165012] [2023-12-16 01:19:09,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:19:09,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 01:19:09,948 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 01:19:09,949 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 01:19:09,976 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-16 01:19:10,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:19:10,090 INFO L262 TraceCheckSpWp]: Trace formula consists of 608 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 01:19:10,093 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 01:19:10,122 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2023-12-16 01:19:10,122 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 01:19:10,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [350165012] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 01:19:10,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-16 01:19:10,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2023-12-16 01:19:10,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338918657] [2023-12-16 01:19:10,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 01:19:10,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 01:19:10,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:19:10,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 01:19:10,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-16 01:19:10,125 INFO L87 Difference]: Start difference. First operand 37490 states and 44311 transitions. Second operand has 3 states, 3 states have (on average 86.66666666666667) internal successors, (260), 3 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 01:19:10,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 01:19:10,961 INFO L93 Difference]: Finished difference Result 73789 states and 87097 transitions. [2023-12-16 01:19:10,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 01:19:10,961 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 86.66666666666667) internal successors, (260), 3 states have internal predecessors, (260), 0 states have call successors, (0), 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 294 [2023-12-16 01:19:10,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 01:19:11,000 INFO L225 Difference]: With dead ends: 73789 [2023-12-16 01:19:11,001 INFO L226 Difference]: Without dead ends: 36503 [2023-12-16 01:19:11,023 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 296 GetRequests, 293 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-16 01:19:11,023 INFO L413 NwaCegarLoop]: 357 mSDtfsCounter, 214 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 689 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 764 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 689 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-16 01:19:11,023 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 377 Invalid, 764 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 689 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-16 01:19:11,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36503 states. [2023-12-16 01:19:11,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36503 to 36475. [2023-12-16 01:19:11,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36475 states, 36474 states have (on average 1.1703130997422821) internal successors, (42686), 36474 states have internal predecessors, (42686), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 01:19:11,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36475 states to 36475 states and 42686 transitions. [2023-12-16 01:19:11,563 INFO L78 Accepts]: Start accepts. Automaton has 36475 states and 42686 transitions. Word has length 294 [2023-12-16 01:19:11,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 01:19:11,563 INFO L495 AbstractCegarLoop]: Abstraction has 36475 states and 42686 transitions. [2023-12-16 01:19:11,563 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 86.66666666666667) internal successors, (260), 3 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 01:19:11,563 INFO L276 IsEmpty]: Start isEmpty. Operand 36475 states and 42686 transitions. [2023-12-16 01:19:11,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2023-12-16 01:19:11,591 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:19:11,591 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 01:19:11,605 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-12-16 01:19:11,808 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-12-16 01:19:11,808 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:19:11,809 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:19:11,809 INFO L85 PathProgramCache]: Analyzing trace with hash -1834471820, now seen corresponding path program 1 times [2023-12-16 01:19:11,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:19:11,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688762554] [2023-12-16 01:19:11,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:19:11,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:19:11,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:19:12,760 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 102 proven. 6 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-12-16 01:19:12,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:19:12,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688762554] [2023-12-16 01:19:12,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688762554] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 01:19:12,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1386854106] [2023-12-16 01:19:12,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:19:12,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 01:19:12,761 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 01:19:12,762 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 01:19:12,781 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-12-16 01:19:12,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:19:12,902 INFO L262 TraceCheckSpWp]: Trace formula consists of 539 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-16 01:19:12,906 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 01:19:12,935 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-16 01:19:12,935 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 01:19:12,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1386854106] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 01:19:12,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-16 01:19:12,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2023-12-16 01:19:12,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419748059] [2023-12-16 01:19:12,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 01:19:12,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 01:19:12,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:19:12,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 01:19:12,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-16 01:19:12,938 INFO L87 Difference]: Start difference. First operand 36475 states and 42686 transitions. Second operand has 3 states, 3 states have (on average 98.0) internal successors, (294), 3 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 01:19:13,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 01:19:13,564 INFO L93 Difference]: Finished difference Result 70700 states and 82459 transitions. [2023-12-16 01:19:13,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 01:19:13,565 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 98.0) internal successors, (294), 3 states have internal predecessors, (294), 0 states have call successors, (0), 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 299 [2023-12-16 01:19:13,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 01:19:13,606 INFO L225 Difference]: With dead ends: 70700 [2023-12-16 01:19:13,606 INFO L226 Difference]: Without dead ends: 34429 [2023-12-16 01:19:13,626 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 298 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-16 01:19:13,627 INFO L413 NwaCegarLoop]: 351 mSDtfsCounter, 258 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 574 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 375 SdHoareTripleChecker+Invalid, 673 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-16 01:19:13,627 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [258 Valid, 375 Invalid, 673 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 574 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-16 01:19:13,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34429 states. [2023-12-16 01:19:13,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34429 to 32193. [2023-12-16 01:19:13,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32193 states, 32192 states have (on average 1.1408113817097416) internal successors, (36725), 32192 states have internal predecessors, (36725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 01:19:13,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32193 states to 32193 states and 36725 transitions. [2023-12-16 01:19:13,961 INFO L78 Accepts]: Start accepts. Automaton has 32193 states and 36725 transitions. Word has length 299 [2023-12-16 01:19:13,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 01:19:13,961 INFO L495 AbstractCegarLoop]: Abstraction has 32193 states and 36725 transitions. [2023-12-16 01:19:13,961 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 98.0) internal successors, (294), 3 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 01:19:13,962 INFO L276 IsEmpty]: Start isEmpty. Operand 32193 states and 36725 transitions. [2023-12-16 01:19:13,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2023-12-16 01:19:13,995 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:19:13,995 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 01:19:14,001 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-12-16 01:19:14,200 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 01:19:14,201 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:19:14,202 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:19:14,202 INFO L85 PathProgramCache]: Analyzing trace with hash 1161446318, now seen corresponding path program 1 times [2023-12-16 01:19:14,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:19:14,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959274036] [2023-12-16 01:19:14,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:19:14,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:19:14,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:19:14,633 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 146 proven. 6 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-16 01:19:14,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:19:14,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959274036] [2023-12-16 01:19:14,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959274036] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 01:19:14,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [757712521] [2023-12-16 01:19:14,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:19:14,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 01:19:14,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 01:19:14,649 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 01:19:14,656 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-12-16 01:19:14,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:19:14,874 INFO L262 TraceCheckSpWp]: Trace formula consists of 674 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-16 01:19:14,877 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 01:19:14,930 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2023-12-16 01:19:14,930 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 01:19:14,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [757712521] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 01:19:14,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-16 01:19:14,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2023-12-16 01:19:14,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008687078] [2023-12-16 01:19:14,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 01:19:14,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 01:19:14,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:19:14,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 01:19:14,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-16 01:19:14,931 INFO L87 Difference]: Start difference. First operand 32193 states and 36725 transitions. Second operand has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 2 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 01:19:15,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 01:19:15,352 INFO L93 Difference]: Finished difference Result 54587 states and 62166 transitions. [2023-12-16 01:19:15,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 01:19:15,353 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 2 states have internal predecessors, (239), 0 states have call successors, (0), 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 328 [2023-12-16 01:19:15,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 01:19:15,376 INFO L225 Difference]: With dead ends: 54587 [2023-12-16 01:19:15,376 INFO L226 Difference]: Without dead ends: 22801 [2023-12-16 01:19:15,393 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 330 GetRequests, 327 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-16 01:19:15,393 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 308 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 324 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 308 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-16 01:19:15,393 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [308 Valid, 29 Invalid, 350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 324 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-16 01:19:15,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22801 states. [2023-12-16 01:19:15,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22801 to 21786. [2023-12-16 01:19:15,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21786 states, 21785 states have (on average 1.128391094789993) internal successors, (24582), 21785 states have internal predecessors, (24582), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 01:19:15,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21786 states to 21786 states and 24582 transitions. [2023-12-16 01:19:15,610 INFO L78 Accepts]: Start accepts. Automaton has 21786 states and 24582 transitions. Word has length 328 [2023-12-16 01:19:15,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 01:19:15,610 INFO L495 AbstractCegarLoop]: Abstraction has 21786 states and 24582 transitions. [2023-12-16 01:19:15,610 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 2 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 01:19:15,610 INFO L276 IsEmpty]: Start isEmpty. Operand 21786 states and 24582 transitions. [2023-12-16 01:19:15,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2023-12-16 01:19:15,626 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:19:15,627 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 01:19:15,637 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-12-16 01:19:15,844 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-12-16 01:19:15,844 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:19:15,860 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:19:15,860 INFO L85 PathProgramCache]: Analyzing trace with hash 1306512217, now seen corresponding path program 1 times [2023-12-16 01:19:15,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:19:15,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721575525] [2023-12-16 01:19:15,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:19:15,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:19:15,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:19:17,000 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 157 proven. 6 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2023-12-16 01:19:17,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:19:17,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721575525] [2023-12-16 01:19:17,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721575525] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 01:19:17,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1482927476] [2023-12-16 01:19:17,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:19:17,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 01:19:17,001 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 01:19:17,022 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 01:19:17,056 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-12-16 01:19:17,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:19:17,185 INFO L262 TraceCheckSpWp]: Trace formula consists of 653 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-16 01:19:17,191 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 01:19:17,204 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 175 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2023-12-16 01:19:17,204 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 01:19:17,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1482927476] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 01:19:17,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-16 01:19:17,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2023-12-16 01:19:17,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551211398] [2023-12-16 01:19:17,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 01:19:17,208 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 01:19:17,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:19:17,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 01:19:17,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-16 01:19:17,208 INFO L87 Difference]: Start difference. First operand 21786 states and 24582 transitions. Second operand has 3 states, 3 states have (on average 94.33333333333333) internal successors, (283), 3 states have internal predecessors, (283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 01:19:18,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 01:19:18,083 INFO L93 Difference]: Finished difference Result 41531 states and 46836 transitions. [2023-12-16 01:19:18,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 01:19:18,083 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 94.33333333333333) internal successors, (283), 3 states have internal predecessors, (283), 0 states have call successors, (0), 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 343 [2023-12-16 01:19:18,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 01:19:18,110 INFO L225 Difference]: With dead ends: 41531 [2023-12-16 01:19:18,110 INFO L226 Difference]: Without dead ends: 19949 [2023-12-16 01:19:18,123 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 346 GetRequests, 342 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-16 01:19:18,124 INFO L413 NwaCegarLoop]: 314 mSDtfsCounter, 253 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 520 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 520 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-16 01:19:18,125 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [253 Valid, 328 Invalid, 640 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 520 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-16 01:19:18,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19949 states. [2023-12-16 01:19:18,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19949 to 18730. [2023-12-16 01:19:18,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18730 states, 18729 states have (on average 1.114795237332479) internal successors, (20879), 18729 states have internal predecessors, (20879), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 01:19:18,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18730 states to 18730 states and 20879 transitions. [2023-12-16 01:19:18,313 INFO L78 Accepts]: Start accepts. Automaton has 18730 states and 20879 transitions. Word has length 343 [2023-12-16 01:19:18,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 01:19:18,314 INFO L495 AbstractCegarLoop]: Abstraction has 18730 states and 20879 transitions. [2023-12-16 01:19:18,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 94.33333333333333) internal successors, (283), 3 states have internal predecessors, (283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 01:19:18,314 INFO L276 IsEmpty]: Start isEmpty. Operand 18730 states and 20879 transitions. [2023-12-16 01:19:18,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2023-12-16 01:19:18,329 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:19:18,330 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 01:19:18,335 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-12-16 01:19:18,548 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 01:19:18,549 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:19:18,549 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:19:18,549 INFO L85 PathProgramCache]: Analyzing trace with hash 1142351247, now seen corresponding path program 1 times [2023-12-16 01:19:18,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:19:18,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293651593] [2023-12-16 01:19:18,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:19:18,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:19:18,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:19:19,656 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 183 proven. 6 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2023-12-16 01:19:19,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:19:19,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293651593] [2023-12-16 01:19:19,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293651593] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 01:19:19,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [356358469] [2023-12-16 01:19:19,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:19:19,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 01:19:19,657 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 01:19:19,667 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 01:19:19,679 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-12-16 01:19:19,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:19:19,862 INFO L262 TraceCheckSpWp]: Trace formula consists of 662 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-16 01:19:19,867 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 01:19:20,053 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 172 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2023-12-16 01:19:20,053 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 01:19:20,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [356358469] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 01:19:20,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-16 01:19:20,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2023-12-16 01:19:20,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306595488] [2023-12-16 01:19:20,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 01:19:20,054 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 01:19:20,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:19:20,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 01:19:20,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-16 01:19:20,054 INFO L87 Difference]: Start difference. First operand 18730 states and 20879 transitions. Second operand has 3 states, 3 states have (on average 92.66666666666667) internal successors, (278), 3 states have internal predecessors, (278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 01:19:20,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 01:19:20,657 INFO L93 Difference]: Finished difference Result 38681 states and 43100 transitions. [2023-12-16 01:19:20,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 01:19:20,658 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 92.66666666666667) internal successors, (278), 3 states have internal predecessors, (278), 0 states have call successors, (0), 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 375 [2023-12-16 01:19:20,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 01:19:20,658 INFO L225 Difference]: With dead ends: 38681 [2023-12-16 01:19:20,658 INFO L226 Difference]: Without dead ends: 0 [2023-12-16 01:19:20,670 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 378 GetRequests, 374 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-16 01:19:20,671 INFO L413 NwaCegarLoop]: 328 mSDtfsCounter, 33 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 515 mSolverCounterSat, 141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 351 SdHoareTripleChecker+Invalid, 656 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 515 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-16 01:19:20,671 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 351 Invalid, 656 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 515 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-16 01:19:20,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-16 01:19:20,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-16 01:19:20,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 01:19:20,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-16 01:19:20,672 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 375 [2023-12-16 01:19:20,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 01:19:20,672 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-16 01:19:20,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 92.66666666666667) internal successors, (278), 3 states have internal predecessors, (278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 01:19:20,672 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-16 01:19:20,672 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-16 01:19:20,674 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 01:19:20,682 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-12-16 01:19:20,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 01:19:20,878 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-16 01:19:22,595 INFO L899 garLoopResultBuilder]: For program point L498(lines 498 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,595 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,595 INFO L899 garLoopResultBuilder]: For program point L366(lines 366 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,595 INFO L899 garLoopResultBuilder]: For program point L763(lines 763 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,595 INFO L899 garLoopResultBuilder]: For program point L632(lines 632 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,595 INFO L899 garLoopResultBuilder]: For program point L566(lines 566 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,595 INFO L899 garLoopResultBuilder]: For program point L1623-1(lines 64 1660) no Hoare annotation was computed. [2023-12-16 01:19:22,595 INFO L899 garLoopResultBuilder]: For program point L1557-1(lines 64 1660) no Hoare annotation was computed. [2023-12-16 01:19:22,595 INFO L899 garLoopResultBuilder]: For program point L1491-1(lines 64 1660) no Hoare annotation was computed. [2023-12-16 01:19:22,596 INFO L899 garLoopResultBuilder]: For program point L302(lines 302 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,596 INFO L899 garLoopResultBuilder]: For program point L1293(lines 1293 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,596 INFO L899 garLoopResultBuilder]: For program point L1360(lines 1360 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,596 INFO L899 garLoopResultBuilder]: For program point L1294(lines 1294 1313) no Hoare annotation was computed. [2023-12-16 01:19:22,596 INFO L899 garLoopResultBuilder]: For program point L1294-2(lines 1294 1313) no Hoare annotation was computed. [2023-12-16 01:19:22,596 INFO L899 garLoopResultBuilder]: For program point L1162(lines 1162 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,596 INFO L899 garLoopResultBuilder]: For program point L105(lines 105 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,596 INFO L899 garLoopResultBuilder]: For program point L1096(lines 1096 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,596 INFO L899 garLoopResultBuilder]: For program point L1031(lines 1031 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,596 INFO L899 garLoopResultBuilder]: For program point L965(lines 965 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,596 INFO L899 garLoopResultBuilder]: For program point L899(lines 899 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,596 INFO L899 garLoopResultBuilder]: For program point L1626-1(lines 64 1660) no Hoare annotation was computed. [2023-12-16 01:19:22,596 INFO L899 garLoopResultBuilder]: For program point L1560-1(lines 64 1660) no Hoare annotation was computed. [2023-12-16 01:19:22,596 INFO L899 garLoopResultBuilder]: For program point L1494-1(lines 64 1660) no Hoare annotation was computed. [2023-12-16 01:19:22,596 INFO L899 garLoopResultBuilder]: For program point L174(lines 174 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,596 INFO L899 garLoopResultBuilder]: For program point L835(lines 835 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,596 INFO L899 garLoopResultBuilder]: For program point L1629-1(lines 64 1660) no Hoare annotation was computed. [2023-12-16 01:19:22,596 INFO L899 garLoopResultBuilder]: For program point L1563-1(lines 64 1660) no Hoare annotation was computed. [2023-12-16 01:19:22,596 INFO L899 garLoopResultBuilder]: For program point L1497-1(lines 64 1660) no Hoare annotation was computed. [2023-12-16 01:19:22,596 INFO L899 garLoopResultBuilder]: For program point L771(lines 771 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,596 INFO L899 garLoopResultBuilder]: For program point L507(lines 507 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,597 INFO L899 garLoopResultBuilder]: For program point L243(lines 243 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,597 INFO L899 garLoopResultBuilder]: For program point L508(lines 508 521) no Hoare annotation was computed. [2023-12-16 01:19:22,597 INFO L899 garLoopResultBuilder]: For program point L508-2(lines 508 521) no Hoare annotation was computed. [2023-12-16 01:19:22,597 INFO L899 garLoopResultBuilder]: For program point L1433(lines 1433 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,597 INFO L899 garLoopResultBuilder]: For program point L376(lines 376 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,597 INFO L899 garLoopResultBuilder]: For program point L1632-1(lines 64 1660) no Hoare annotation was computed. [2023-12-16 01:19:22,597 INFO L899 garLoopResultBuilder]: For program point L1566-1(lines 64 1660) no Hoare annotation was computed. [2023-12-16 01:19:22,597 INFO L899 garLoopResultBuilder]: For program point L1500-1(lines 64 1660) no Hoare annotation was computed. [2023-12-16 01:19:22,597 INFO L899 garLoopResultBuilder]: For program point L311(lines 311 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,597 INFO L899 garLoopResultBuilder]: For program point L1236(lines 1236 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,597 INFO L899 garLoopResultBuilder]: For program point L576(lines 576 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,597 INFO L899 garLoopResultBuilder]: For program point L444(lines 444 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,597 INFO L899 garLoopResultBuilder]: For program point L1369(lines 1369 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,597 INFO L899 garLoopResultBuilder]: For program point L1105(lines 1105 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,597 INFO L899 garLoopResultBuilder]: For program point L643(lines 643 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,597 INFO L899 garLoopResultBuilder]: For program point L1370(lines 1370 1389) no Hoare annotation was computed. [2023-12-16 01:19:22,597 INFO L899 garLoopResultBuilder]: For program point L1370-2(lines 1370 1389) no Hoare annotation was computed. [2023-12-16 01:19:22,597 INFO L899 garLoopResultBuilder]: For program point L1172(lines 1172 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,597 INFO L899 garLoopResultBuilder]: For program point L115(lines 115 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,597 INFO L899 garLoopResultBuilder]: For program point L1635-1(lines 64 1660) no Hoare annotation was computed. [2023-12-16 01:19:22,597 INFO L899 garLoopResultBuilder]: For program point L1569-1(lines 64 1660) no Hoare annotation was computed. [2023-12-16 01:19:22,598 INFO L899 garLoopResultBuilder]: For program point L1503-1(lines 64 1660) no Hoare annotation was computed. [2023-12-16 01:19:22,598 INFO L899 garLoopResultBuilder]: For program point L248(lines 248 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,598 INFO L899 garLoopResultBuilder]: For program point L182(lines 182 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,598 INFO L899 garLoopResultBuilder]: For program point L1041(lines 1041 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,598 INFO L899 garLoopResultBuilder]: For program point L909(lines 909 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,598 INFO L899 garLoopResultBuilder]: For program point L711(lines 711 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,598 INFO L899 garLoopResultBuilder]: For program point L976(lines 976 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,598 INFO L899 garLoopResultBuilder]: For program point L779(lines 779 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,599 INFO L899 garLoopResultBuilder]: For program point L1638-1(lines 64 1660) no Hoare annotation was computed. [2023-12-16 01:19:22,599 INFO L899 garLoopResultBuilder]: For program point L1572-1(lines 64 1660) no Hoare annotation was computed. [2023-12-16 01:19:22,599 INFO L899 garLoopResultBuilder]: For program point L1506-1(lines 64 1660) no Hoare annotation was computed. [2023-12-16 01:19:22,604 INFO L899 garLoopResultBuilder]: For program point L846(lines 846 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,604 INFO L899 garLoopResultBuilder]: For program point L451(lines 451 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,604 INFO L899 garLoopResultBuilder]: For program point L1442(lines 1442 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,604 INFO L899 garLoopResultBuilder]: For program point L584(lines 584 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,604 INFO L899 garLoopResultBuilder]: For program point L1641-1(lines 64 1660) no Hoare annotation was computed. [2023-12-16 01:19:22,604 INFO L899 garLoopResultBuilder]: For program point L1575-1(lines 64 1660) no Hoare annotation was computed. [2023-12-16 01:19:22,604 INFO L899 garLoopResultBuilder]: For program point L1509-1(lines 64 1660) no Hoare annotation was computed. [2023-12-16 01:19:22,604 INFO L899 garLoopResultBuilder]: For program point L387(lines 387 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,605 INFO L899 garLoopResultBuilder]: For program point L1114(lines 1114 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,605 INFO L899 garLoopResultBuilder]: For program point L1048(lines 1048 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,605 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 405) no Hoare annotation was computed. [2023-12-16 01:19:22,605 INFO L899 garLoopResultBuilder]: For program point L322(lines 322 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,605 INFO L899 garLoopResultBuilder]: For program point L388-2(lines 388 405) no Hoare annotation was computed. [2023-12-16 01:19:22,605 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-16 01:19:22,605 INFO L899 garLoopResultBuilder]: For program point L1247(lines 1247 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,605 INFO L899 garLoopResultBuilder]: For program point L124(lines 124 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,605 INFO L899 garLoopResultBuilder]: For program point L1049(lines 1049 1069) no Hoare annotation was computed. [2023-12-16 01:19:22,605 INFO L899 garLoopResultBuilder]: For program point L1049-2(lines 1049 1069) no Hoare annotation was computed. [2023-12-16 01:19:22,605 INFO L899 garLoopResultBuilder]: For program point L917(lines 917 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,605 INFO L899 garLoopResultBuilder]: For program point L719(lines 719 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,605 INFO L899 garLoopResultBuilder]: For program point L653(lines 653 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,605 INFO L899 garLoopResultBuilder]: For program point L1644-1(lines 64 1660) no Hoare annotation was computed. [2023-12-16 01:19:22,605 INFO L899 garLoopResultBuilder]: For program point L1578-1(lines 64 1660) no Hoare annotation was computed. [2023-12-16 01:19:22,605 INFO L899 garLoopResultBuilder]: For program point L1512-1(lines 64 1660) no Hoare annotation was computed. [2023-12-16 01:19:22,605 INFO L899 garLoopResultBuilder]: For program point L191(lines 191 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,605 INFO L899 garLoopResultBuilder]: For program point L720(lines 720 741) no Hoare annotation was computed. [2023-12-16 01:19:22,605 INFO L899 garLoopResultBuilder]: For program point L720-2(lines 720 741) no Hoare annotation was computed. [2023-12-16 01:19:22,605 INFO L899 garLoopResultBuilder]: For program point L1315(lines 1315 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,606 INFO L899 garLoopResultBuilder]: For program point L258(lines 258 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,606 INFO L899 garLoopResultBuilder]: For program point L1183(lines 1183 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,606 INFO L899 garLoopResultBuilder]: For program point L985(lines 985 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,606 INFO L899 garLoopResultBuilder]: For program point L787(lines 787 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,606 INFO L899 garLoopResultBuilder]: For program point L523(lines 523 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,606 INFO L899 garLoopResultBuilder]: For program point L854(lines 854 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,606 INFO L899 garLoopResultBuilder]: For program point L1647-1(lines 64 1660) no Hoare annotation was computed. [2023-12-16 01:19:22,606 INFO L899 garLoopResultBuilder]: For program point L1581-1(lines 64 1660) no Hoare annotation was computed. [2023-12-16 01:19:22,606 INFO L899 garLoopResultBuilder]: For program point L1515-1(lines 64 1660) no Hoare annotation was computed. [2023-12-16 01:19:22,606 INFO L899 garLoopResultBuilder]: For program point L1648(line 1648) no Hoare annotation was computed. [2023-12-16 01:19:22,606 INFO L899 garLoopResultBuilder]: For program point L460(lines 460 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,606 INFO L899 garLoopResultBuilder]: For program point L593(lines 593 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,606 INFO L899 garLoopResultBuilder]: For program point L1650-1(lines 64 1660) no Hoare annotation was computed. [2023-12-16 01:19:22,606 INFO L899 garLoopResultBuilder]: For program point L1584-1(lines 64 1660) no Hoare annotation was computed. [2023-12-16 01:19:22,606 INFO L899 garLoopResultBuilder]: For program point L1518-1(lines 64 1660) no Hoare annotation was computed. [2023-12-16 01:19:22,606 INFO L899 garLoopResultBuilder]: For program point L1452(lines 1452 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,606 INFO L899 garLoopResultBuilder]: For program point L329(lines 329 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,606 INFO L899 garLoopResultBuilder]: For program point L1122(lines 1122 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,606 INFO L899 garLoopResultBuilder]: For program point L65(lines 65 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,606 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1648) no Hoare annotation was computed. [2023-12-16 01:19:22,606 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 81) no Hoare annotation was computed. [2023-12-16 01:19:22,607 INFO L899 garLoopResultBuilder]: For program point L66-2(lines 66 81) no Hoare annotation was computed. [2023-12-16 01:19:22,607 INFO L899 garLoopResultBuilder]: For program point L794(lines 794 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,607 INFO L899 garLoopResultBuilder]: For program point L1653-1(lines 64 1660) no Hoare annotation was computed. [2023-12-16 01:19:22,607 INFO L899 garLoopResultBuilder]: For program point L1587-1(lines 64 1660) no Hoare annotation was computed. [2023-12-16 01:19:22,607 INFO L899 garLoopResultBuilder]: For program point L1521-1(lines 64 1660) no Hoare annotation was computed. [2023-12-16 01:19:22,607 INFO L899 garLoopResultBuilder]: For program point L1323(lines 1323 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,607 INFO L899 garLoopResultBuilder]: For program point L993(lines 993 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,607 INFO L899 garLoopResultBuilder]: For program point L927(lines 927 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,607 INFO L899 garLoopResultBuilder]: For program point L663(lines 663 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,607 INFO L899 garLoopResultBuilder]: For program point L267(lines 267 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,607 INFO L899 garLoopResultBuilder]: For program point L201(lines 201 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,607 INFO L899 garLoopResultBuilder]: For program point L1192(lines 1192 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,607 INFO L899 garLoopResultBuilder]: For program point L928(lines 928 945) no Hoare annotation was computed. [2023-12-16 01:19:22,607 INFO L899 garLoopResultBuilder]: For program point L928-2(lines 928 945) no Hoare annotation was computed. [2023-12-16 01:19:22,607 INFO L899 garLoopResultBuilder]: For program point L532(lines 532 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,607 INFO L899 garLoopResultBuilder]: For program point L1391(lines 1391 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,607 INFO L899 garLoopResultBuilder]: For program point L1259(lines 1259 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,607 INFO L899 garLoopResultBuilder]: For program point L202(lines 202 221) no Hoare annotation was computed. [2023-12-16 01:19:22,607 INFO L899 garLoopResultBuilder]: For program point L136(lines 136 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,607 INFO L899 garLoopResultBuilder]: For program point L202-2(lines 202 221) no Hoare annotation was computed. [2023-12-16 01:19:22,608 INFO L899 garLoopResultBuilder]: For program point L863(lines 863 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,608 INFO L899 garLoopResultBuilder]: For program point L1656-1(lines 1656 1658) no Hoare annotation was computed. [2023-12-16 01:19:22,608 INFO L899 garLoopResultBuilder]: For program point L1590-1(lines 64 1660) no Hoare annotation was computed. [2023-12-16 01:19:22,608 INFO L899 garLoopResultBuilder]: For program point L1524-1(lines 64 1660) no Hoare annotation was computed. [2023-12-16 01:19:22,608 INFO L899 garLoopResultBuilder]: For program point L1392(lines 1392 1410) no Hoare annotation was computed. [2023-12-16 01:19:22,608 INFO L899 garLoopResultBuilder]: For program point L1392-2(lines 1392 1410) no Hoare annotation was computed. [2023-12-16 01:19:22,608 INFO L899 garLoopResultBuilder]: For program point L1260(lines 1260 1282) no Hoare annotation was computed. [2023-12-16 01:19:22,608 INFO L899 garLoopResultBuilder]: For program point L1260-2(lines 1260 1282) no Hoare annotation was computed. [2023-12-16 01:19:22,608 INFO L899 garLoopResultBuilder]: For program point L468(lines 468 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,608 INFO L899 garLoopResultBuilder]: For program point L1130(lines 1130 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,608 INFO L899 garLoopResultBuilder]: For program point L668(lines 668 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,608 INFO L899 garLoopResultBuilder]: For program point L602(lines 602 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,608 INFO L899 garLoopResultBuilder]: For program point L1593-1(lines 64 1660) no Hoare annotation was computed. [2023-12-16 01:19:22,608 INFO L899 garLoopResultBuilder]: For program point L1527-1(lines 64 1660) no Hoare annotation was computed. [2023-12-16 01:19:22,608 INFO L899 garLoopResultBuilder]: For program point L1462(lines 1462 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,608 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,608 INFO L899 garLoopResultBuilder]: For program point L1331(lines 1331 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,608 INFO L899 garLoopResultBuilder]: For program point L1662(lines 1662 1679) no Hoare annotation was computed. [2023-12-16 01:19:22,608 INFO L899 garLoopResultBuilder]: For program point L539(lines 539 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,608 INFO L899 garLoopResultBuilder]: For program point L1596-1(lines 64 1660) no Hoare annotation was computed. [2023-12-16 01:19:22,608 INFO L899 garLoopResultBuilder]: For program point L1530-1(lines 64 1660) no Hoare annotation was computed. [2023-12-16 01:19:22,609 INFO L899 garLoopResultBuilder]: For program point L407(lines 407 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,609 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,609 INFO L899 garLoopResultBuilder]: For program point L1200(lines 1200 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,609 INFO L899 garLoopResultBuilder]: For program point L805(lines 805 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,609 INFO L899 garLoopResultBuilder]: For program point L145(lines 145 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,609 INFO L899 garLoopResultBuilder]: For program point L1004(lines 1004 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,609 INFO L899 garLoopResultBuilder]: For program point L1599-1(lines 64 1660) no Hoare annotation was computed. [2023-12-16 01:19:22,609 INFO L899 garLoopResultBuilder]: For program point L1533-1(lines 64 1660) no Hoare annotation was computed. [2023-12-16 01:19:22,609 INFO L899 garLoopResultBuilder]: For program point L1137(lines 1137 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,609 INFO L899 garLoopResultBuilder]: For program point L1071(lines 1071 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,609 INFO L899 garLoopResultBuilder]: For program point L873(lines 873 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,609 INFO L899 garLoopResultBuilder]: For program point L675(lines 675 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,609 INFO L899 garLoopResultBuilder]: For program point L477(lines 477 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,609 INFO L899 garLoopResultBuilder]: For program point L1336(lines 1336 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,609 INFO L899 garLoopResultBuilder]: For program point L478(lines 478 488) no Hoare annotation was computed. [2023-12-16 01:19:22,609 INFO L899 garLoopResultBuilder]: For program point L478-2(lines 478 488) no Hoare annotation was computed. [2023-12-16 01:19:22,609 INFO L899 garLoopResultBuilder]: For program point L743(lines 743 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,610 INFO L895 garLoopResultBuilder]: At program point L1668-2(lines 1668 1678) the Hoare annotation is: (let ((.cse12 (= ~a3~0 0)) (.cse7 (= ~a3~0 1)) (.cse8 (= ~a6~0 1)) (.cse9 (<= ~a11~0 0)) (.cse0 (= ~a26~0 0)) (.cse10 (= ~a27~0 1)) (.cse11 (= ~a26~0 1)) (.cse1 (= ~a5~0 1)) (.cse6 (= ~a12~0 1)) (.cse2 (<= 2 ~a3~0)) (.cse3 (= ~a11~0 1)) (.cse4 (<= ~a27~0 0)) (.cse5 (<= ~a6~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse3 .cse7 .cse8 .cse4) (and .cse1 .cse6 .cse7 .cse8 .cse9 .cse4) (and .cse0 .cse1 .cse7 .cse9 .cse10 .cse5) (and .cse1 .cse2 .cse8 .cse9 .cse10) (and .cse11 .cse1 .cse7 .cse9 .cse10 .cse5) (and .cse11 .cse1 .cse3 .cse7 .cse4 .cse5) (and .cse11 .cse1 .cse2 .cse9 .cse10 .cse5) (and .cse1 .cse3 .cse8 .cse10 .cse12) (and .cse11 .cse1 .cse2 .cse3 .cse10 .cse5) (and .cse11 .cse1 .cse3 .cse7 .cse8 .cse4) (and .cse1 .cse8 .cse9 .cse10 .cse12) (and .cse1 .cse3 .cse7 .cse10 .cse5) (and .cse1 .cse9 .cse10 .cse12 .cse5) (and .cse1 .cse6 .cse2 .cse3 .cse8 .cse10) (and .cse11 .cse1 .cse6 .cse2 .cse9 .cse4 .cse5) (and .cse11 .cse1 .cse7 .cse9 .cse4 .cse5) (and .cse0 .cse1 .cse7 .cse9 .cse4 .cse5) (and .cse1 .cse7 .cse8 .cse9 .cse10) (and .cse11 .cse1 .cse3 .cse12 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse8 .cse10) (and .cse11 .cse1 .cse2 .cse3 .cse8 .cse4) (and .cse0 .cse1 .cse2 .cse8 .cse9 .cse4) (and .cse1 .cse3 .cse10 .cse12 .cse5) (and .cse0 .cse1 .cse2 .cse9 .cse10 .cse5) (and .cse11 (or (and .cse1 .cse6 .cse3 .cse7 .cse10) (and .cse1 .cse6 .cse3 .cse10 .cse12))) (and .cse11 .cse1 .cse3 .cse8 .cse12 .cse4) (and .cse0 .cse1 .cse6 .cse9 .cse12 .cse4 .cse5) (and .cse11 .cse1 .cse6 .cse7 .cse9 .cse10) (and .cse11 .cse1 .cse6 .cse9 .cse10 .cse12) (and .cse0 .cse1 .cse6 .cse8 .cse9 .cse12 .cse4) (and .cse11 .cse1 .cse7 .cse8 .cse9 .cse4) (and .cse11 .cse1 .cse2 .cse3 .cse8 .cse10) (and .cse11 .cse1 .cse6 .cse9 .cse12 .cse4 .cse5) (and .cse11 .cse1 .cse8 .cse9 .cse12 .cse4) (and .cse11 .cse1 .cse3 .cse7 .cse8 .cse10) (and .cse11 .cse1 .cse2 .cse8 .cse9 .cse4) (and .cse0 .cse1 .cse2 .cse3 .cse10 .cse5) (and .cse11 .cse1 .cse6 .cse2 .cse3 .cse4 .cse5))) [2023-12-16 01:19:22,610 INFO L899 garLoopResultBuilder]: For program point L1602-1(lines 64 1660) no Hoare annotation was computed. [2023-12-16 01:19:22,610 INFO L899 garLoopResultBuilder]: For program point L1536-1(lines 64 1660) no Hoare annotation was computed. [2023-12-16 01:19:22,610 INFO L899 garLoopResultBuilder]: For program point L1470(lines 1470 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,610 INFO L899 garLoopResultBuilder]: For program point L83(lines 83 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,610 INFO L899 garLoopResultBuilder]: For program point L613(lines 613 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,610 INFO L899 garLoopResultBuilder]: For program point L415(lines 415 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,610 INFO L899 garLoopResultBuilder]: For program point L349(lines 349 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,610 INFO L899 garLoopResultBuilder]: For program point L1142(lines 1142 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,610 INFO L899 garLoopResultBuilder]: For program point L1076(lines 1076 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,610 INFO L899 garLoopResultBuilder]: For program point L878(lines 878 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,610 INFO L899 garLoopResultBuilder]: For program point L1605-1(lines 64 1660) no Hoare annotation was computed. [2023-12-16 01:19:22,611 INFO L899 garLoopResultBuilder]: For program point L1539-1(lines 64 1660) no Hoare annotation was computed. [2023-12-16 01:19:22,611 INFO L899 garLoopResultBuilder]: For program point L879(lines 879 897) no Hoare annotation was computed. [2023-12-16 01:19:22,611 INFO L899 garLoopResultBuilder]: For program point L879-2(lines 879 897) no Hoare annotation was computed. [2023-12-16 01:19:22,611 INFO L899 garLoopResultBuilder]: For program point L549(lines 549 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,611 INFO L899 garLoopResultBuilder]: For program point L1210(lines 1210 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,611 INFO L899 garLoopResultBuilder]: For program point L814(lines 814 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,611 INFO L899 garLoopResultBuilder]: For program point L1673(line 1673) no Hoare annotation was computed. [2023-12-16 01:19:22,611 INFO L899 garLoopResultBuilder]: For program point L286(lines 286 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,611 INFO L899 garLoopResultBuilder]: For program point L1013(lines 1013 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,611 INFO L899 garLoopResultBuilder]: For program point L947(lines 947 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,611 INFO L899 garLoopResultBuilder]: For program point L1608-1(lines 64 1660) no Hoare annotation was computed. [2023-12-16 01:19:22,611 INFO L899 garLoopResultBuilder]: For program point L1542-1(lines 64 1660) no Hoare annotation was computed. [2023-12-16 01:19:22,611 INFO L899 garLoopResultBuilder]: For program point L1476(lines 1476 1478) no Hoare annotation was computed. [2023-12-16 01:19:22,611 INFO L899 garLoopResultBuilder]: For program point L1476-2(lines 64 1660) no Hoare annotation was computed. [2023-12-16 01:19:22,611 INFO L899 garLoopResultBuilder]: For program point L156(lines 156 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,611 INFO L899 garLoopResultBuilder]: For program point L685(lines 685 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,611 INFO L899 garLoopResultBuilder]: For program point L1412(lines 1412 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,611 INFO L899 garLoopResultBuilder]: For program point L1346(lines 1346 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,611 INFO L899 garLoopResultBuilder]: For program point L223(lines 223 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,611 INFO L899 garLoopResultBuilder]: For program point L1611-1(lines 64 1660) no Hoare annotation was computed. [2023-12-16 01:19:22,612 INFO L899 garLoopResultBuilder]: For program point L1545-1(lines 64 1660) no Hoare annotation was computed. [2023-12-16 01:19:22,612 INFO L899 garLoopResultBuilder]: For program point L1479-1(lines 64 1660) no Hoare annotation was computed. [2023-12-16 01:19:22,612 INFO L899 garLoopResultBuilder]: For program point L1413(lines 1413 1431) no Hoare annotation was computed. [2023-12-16 01:19:22,612 INFO L899 garLoopResultBuilder]: For program point L1413-2(lines 1413 1431) no Hoare annotation was computed. [2023-12-16 01:19:22,612 INFO L899 garLoopResultBuilder]: For program point L92(lines 92 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,612 INFO L899 garLoopResultBuilder]: For program point L753(lines 753 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,612 INFO L899 garLoopResultBuilder]: For program point L1084(lines 1084 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,612 INFO L899 garLoopResultBuilder]: For program point L556(lines 556 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,612 INFO L899 garLoopResultBuilder]: For program point L490(lines 490 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,612 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,612 INFO L899 garLoopResultBuilder]: For program point L358(lines 358 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,612 INFO L899 garLoopResultBuilder]: For program point L1614-1(lines 64 1660) no Hoare annotation was computed. [2023-12-16 01:19:22,612 INFO L899 garLoopResultBuilder]: For program point L1548-1(lines 64 1660) no Hoare annotation was computed. [2023-12-16 01:19:22,612 INFO L899 garLoopResultBuilder]: For program point L1482-1(lines 64 1660) no Hoare annotation was computed. [2023-12-16 01:19:22,612 INFO L899 garLoopResultBuilder]: For program point L1284(lines 1284 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,612 INFO L899 garLoopResultBuilder]: For program point L1152(lines 1152 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,612 INFO L899 garLoopResultBuilder]: For program point L624(lines 624 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,612 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-16 01:19:22,612 INFO L899 garLoopResultBuilder]: For program point L294(lines 294 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,612 INFO L899 garLoopResultBuilder]: For program point L1021(lines 1021 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,612 INFO L899 garLoopResultBuilder]: For program point L823(lines 823 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,613 INFO L899 garLoopResultBuilder]: For program point L1220(lines 1220 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,613 INFO L899 garLoopResultBuilder]: For program point L1617-1(lines 64 1660) no Hoare annotation was computed. [2023-12-16 01:19:22,613 INFO L899 garLoopResultBuilder]: For program point L1551-1(lines 64 1660) no Hoare annotation was computed. [2023-12-16 01:19:22,613 INFO L899 garLoopResultBuilder]: For program point L1485-1(lines 64 1660) no Hoare annotation was computed. [2023-12-16 01:19:22,613 INFO L899 garLoopResultBuilder]: For program point L1221(lines 1221 1234) no Hoare annotation was computed. [2023-12-16 01:19:22,613 INFO L899 garLoopResultBuilder]: For program point L1221-2(lines 1221 1234) no Hoare annotation was computed. [2023-12-16 01:19:22,613 INFO L899 garLoopResultBuilder]: For program point calculate_output_returnLabel#1(lines 64 1660) no Hoare annotation was computed. [2023-12-16 01:19:22,613 INFO L899 garLoopResultBuilder]: For program point L957(lines 957 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,613 INFO L899 garLoopResultBuilder]: For program point L1354(lines 1354 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,613 INFO L899 garLoopResultBuilder]: For program point L165(lines 165 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,613 INFO L899 garLoopResultBuilder]: For program point L99(lines 99 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,613 INFO L899 garLoopResultBuilder]: For program point L694(lines 694 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,613 INFO L899 garLoopResultBuilder]: For program point L232(lines 232 1475) no Hoare annotation was computed. [2023-12-16 01:19:22,613 INFO L899 garLoopResultBuilder]: For program point L695(lines 695 709) no Hoare annotation was computed. [2023-12-16 01:19:22,613 INFO L899 garLoopResultBuilder]: For program point L695-2(lines 695 709) no Hoare annotation was computed. [2023-12-16 01:19:22,613 INFO L899 garLoopResultBuilder]: For program point L1620-1(lines 64 1660) no Hoare annotation was computed. [2023-12-16 01:19:22,613 INFO L899 garLoopResultBuilder]: For program point L1554-1(lines 64 1660) no Hoare annotation was computed. [2023-12-16 01:19:22,613 INFO L899 garLoopResultBuilder]: For program point L1488-1(lines 64 1660) no Hoare annotation was computed. [2023-12-16 01:19:22,616 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] [2023-12-16 01:19:22,617 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 01:19:22,654 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 01:19:22 BoogieIcfgContainer [2023-12-16 01:19:22,654 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 01:19:22,654 INFO L158 Benchmark]: Toolchain (without parser) took 40933.54ms. Allocated memory was 328.2MB in the beginning and 5.5GB in the end (delta: 5.2GB). Free memory was 269.3MB in the beginning and 4.0GB in the end (delta: -3.7GB). Peak memory consumption was 1.6GB. Max. memory is 8.0GB. [2023-12-16 01:19:22,654 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 227.5MB. Free memory is still 175.7MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 01:19:22,654 INFO L158 Benchmark]: CACSL2BoogieTranslator took 717.68ms. Allocated memory is still 328.2MB. Free memory was 269.2MB in the beginning and 252.6MB in the end (delta: 16.6MB). Peak memory consumption was 31.3MB. Max. memory is 8.0GB. [2023-12-16 01:19:22,655 INFO L158 Benchmark]: Boogie Procedure Inliner took 145.63ms. Allocated memory is still 328.2MB. Free memory was 252.6MB in the beginning and 237.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2023-12-16 01:19:22,655 INFO L158 Benchmark]: Boogie Preprocessor took 150.27ms. Allocated memory is still 328.2MB. Free memory was 237.9MB in the beginning and 224.8MB in the end (delta: 13.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2023-12-16 01:19:22,655 INFO L158 Benchmark]: RCFGBuilder took 1569.87ms. Allocated memory is still 328.2MB. Free memory was 224.8MB in the beginning and 178.8MB in the end (delta: 46.0MB). Peak memory consumption was 135.1MB. Max. memory is 8.0GB. [2023-12-16 01:19:22,655 INFO L158 Benchmark]: TraceAbstraction took 38344.22ms. Allocated memory was 328.2MB in the beginning and 5.5GB in the end (delta: 5.2GB). Free memory was 177.8MB in the beginning and 4.0GB in the end (delta: -3.8GB). Peak memory consumption was 1.5GB. Max. memory is 8.0GB. [2023-12-16 01:19:22,656 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 227.5MB. Free memory is still 175.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 717.68ms. Allocated memory is still 328.2MB. Free memory was 269.2MB in the beginning and 252.6MB in the end (delta: 16.6MB). Peak memory consumption was 31.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 145.63ms. Allocated memory is still 328.2MB. Free memory was 252.6MB in the beginning and 237.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * Boogie Preprocessor took 150.27ms. Allocated memory is still 328.2MB. Free memory was 237.9MB in the beginning and 224.8MB in the end (delta: 13.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * RCFGBuilder took 1569.87ms. Allocated memory is still 328.2MB. Free memory was 224.8MB in the beginning and 178.8MB in the end (delta: 46.0MB). Peak memory consumption was 135.1MB. Max. memory is 8.0GB. * TraceAbstraction took 38344.22ms. Allocated memory was 328.2MB in the beginning and 5.5GB in the end (delta: 5.2GB). Free memory was 177.8MB in the beginning and 4.0GB in the end (delta: -3.8GB). Peak memory consumption was 1.5GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1648]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 240 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 38.3s, OverallIterations: 20, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.5s, AutomataDifference: 15.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4161 SdHoareTripleChecker+Valid, 12.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4161 mSDsluCounter, 5108 SdHoareTripleChecker+Invalid, 9.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 443 mSDsCounter, 2180 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11610 IncrementalHoareTripleChecker+Invalid, 13790 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2180 mSolverCounterUnsat, 4665 mSDtfsCounter, 11610 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3000 GetRequests, 2956 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40745occurred in iteration=11, InterpolantAutomatonStates: 60, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 5.8s AutomataMinimizationTime, 20 MinimizatonAttempts, 15016 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 95 NumberOfFragments, 757 HoareAnnotationTreeSize, 1 FormulaSimplifications, 2503 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 1 FormulaSimplificationsInter, 2271 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 9.0s InterpolantComputationTime, 8215 NumberOfCodeBlocks, 8215 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 8185 ConstructedInterpolants, 0 QuantifiedInterpolants, 18484 SizeOfPredicates, 0 NumberOfNonLiveVariables, 5572 ConjunctsInSsa, 25 ConjunctsInUnsatCore, 30 InterpolantComputations, 20 PerfectInterpolantSequences, 3777/3837 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((((((((((a26 == 0) && (a5 == 1)) && (2 <= a3)) && (a11 == 1)) && (a27 <= 0)) && (a6 <= 0)) || (((((((a26 == 0) && (a5 == 1)) && (a12 == 1)) && (a11 == 1)) && (a3 == 1)) && (a6 == 1)) && (a27 <= 0))) || ((((((a5 == 1) && (a12 == 1)) && (a3 == 1)) && (a6 == 1)) && (a11 <= 0)) && (a27 <= 0))) || ((((((a26 == 0) && (a5 == 1)) && (a3 == 1)) && (a11 <= 0)) && (a27 == 1)) && (a6 <= 0))) || (((((a5 == 1) && (2 <= a3)) && (a6 == 1)) && (a11 <= 0)) && (a27 == 1))) || ((((((a26 == 1) && (a5 == 1)) && (a3 == 1)) && (a11 <= 0)) && (a27 == 1)) && (a6 <= 0))) || ((((((a26 == 1) && (a5 == 1)) && (a11 == 1)) && (a3 == 1)) && (a27 <= 0)) && (a6 <= 0))) || ((((((a26 == 1) && (a5 == 1)) && (2 <= a3)) && (a11 <= 0)) && (a27 == 1)) && (a6 <= 0))) || (((((a5 == 1) && (a11 == 1)) && (a6 == 1)) && (a27 == 1)) && (a3 == 0))) || ((((((a26 == 1) && (a5 == 1)) && (2 <= a3)) && (a11 == 1)) && (a27 == 1)) && (a6 <= 0))) || ((((((a26 == 1) && (a5 == 1)) && (a11 == 1)) && (a3 == 1)) && (a6 == 1)) && (a27 <= 0))) || (((((a5 == 1) && (a6 == 1)) && (a11 <= 0)) && (a27 == 1)) && (a3 == 0))) || (((((a5 == 1) && (a11 == 1)) && (a3 == 1)) && (a27 == 1)) && (a6 <= 0))) || (((((a5 == 1) && (a11 <= 0)) && (a27 == 1)) && (a3 == 0)) && (a6 <= 0))) || ((((((a5 == 1) && (a12 == 1)) && (2 <= a3)) && (a11 == 1)) && (a6 == 1)) && (a27 == 1))) || (((((((a26 == 1) && (a5 == 1)) && (a12 == 1)) && (2 <= a3)) && (a11 <= 0)) && (a27 <= 0)) && (a6 <= 0))) || ((((((a26 == 1) && (a5 == 1)) && (a3 == 1)) && (a11 <= 0)) && (a27 <= 0)) && (a6 <= 0))) || ((((((a26 == 0) && (a5 == 1)) && (a3 == 1)) && (a11 <= 0)) && (a27 <= 0)) && (a6 <= 0))) || (((((a5 == 1) && (a3 == 1)) && (a6 == 1)) && (a11 <= 0)) && (a27 == 1))) || ((((((a26 == 1) && (a5 == 1)) && (a11 == 1)) && (a3 == 0)) && (a27 <= 0)) && (a6 <= 0))) || ((((((a26 == 0) && (a5 == 1)) && (2 <= a3)) && (a11 == 1)) && (a6 == 1)) && (a27 == 1))) || ((((((a26 == 1) && (a5 == 1)) && (2 <= a3)) && (a11 == 1)) && (a6 == 1)) && (a27 <= 0))) || ((((((a26 == 0) && (a5 == 1)) && (2 <= a3)) && (a6 == 1)) && (a11 <= 0)) && (a27 <= 0))) || (((((a5 == 1) && (a11 == 1)) && (a27 == 1)) && (a3 == 0)) && (a6 <= 0))) || ((((((a26 == 0) && (a5 == 1)) && (2 <= a3)) && (a11 <= 0)) && (a27 == 1)) && (a6 <= 0))) || ((a26 == 1) && ((((((a5 == 1) && (a12 == 1)) && (a11 == 1)) && (a3 == 1)) && (a27 == 1)) || (((((a5 == 1) && (a12 == 1)) && (a11 == 1)) && (a27 == 1)) && (a3 == 0))))) || ((((((a26 == 1) && (a5 == 1)) && (a11 == 1)) && (a6 == 1)) && (a3 == 0)) && (a27 <= 0))) || (((((((a26 == 0) && (a5 == 1)) && (a12 == 1)) && (a11 <= 0)) && (a3 == 0)) && (a27 <= 0)) && (a6 <= 0))) || ((((((a26 == 1) && (a5 == 1)) && (a12 == 1)) && (a3 == 1)) && (a11 <= 0)) && (a27 == 1))) || ((((((a26 == 1) && (a5 == 1)) && (a12 == 1)) && (a11 <= 0)) && (a27 == 1)) && (a3 == 0))) || (((((((a26 == 0) && (a5 == 1)) && (a12 == 1)) && (a6 == 1)) && (a11 <= 0)) && (a3 == 0)) && (a27 <= 0))) || ((((((a26 == 1) && (a5 == 1)) && (a3 == 1)) && (a6 == 1)) && (a11 <= 0)) && (a27 <= 0))) || ((((((a26 == 1) && (a5 == 1)) && (2 <= a3)) && (a11 == 1)) && (a6 == 1)) && (a27 == 1))) || (((((((a26 == 1) && (a5 == 1)) && (a12 == 1)) && (a11 <= 0)) && (a3 == 0)) && (a27 <= 0)) && (a6 <= 0))) || ((((((a26 == 1) && (a5 == 1)) && (a6 == 1)) && (a11 <= 0)) && (a3 == 0)) && (a27 <= 0))) || ((((((a26 == 1) && (a5 == 1)) && (a11 == 1)) && (a3 == 1)) && (a6 == 1)) && (a27 == 1))) || ((((((a26 == 1) && (a5 == 1)) && (2 <= a3)) && (a6 == 1)) && (a11 <= 0)) && (a27 <= 0))) || ((((((a26 == 0) && (a5 == 1)) && (2 <= a3)) && (a11 == 1)) && (a27 == 1)) && (a6 <= 0))) || (((((((a26 == 1) && (a5 == 1)) && (a12 == 1)) && (2 <= a3)) && (a11 == 1)) && (a27 <= 0)) && (a6 <= 0))) RESULT: Ultimate proved your program to be correct! [2023-12-16 01:19:22,680 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...