/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCInlineTransformed.xml -s ../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_SUM.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label42.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-11 03:35:51,138 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-11 03:35:51,140 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-11 03:35:51,192 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-11 03:35:51,219 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-11 03:35:51,220 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-11 03:35:51,220 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-11 03:35:51,221 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-11 03:35:51,221 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-11 03:35:51,222 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-11 03:35:51,222 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-11 03:35:51,245 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-11 03:35:51,246 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-11 03:35:51,247 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-11 03:35:51,248 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-11 03:35:51,249 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-11 03:35:51,250 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-11 03:35:51,254 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-11 03:35:51,259 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-11 03:35:51,275 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-11 03:35:51,276 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_SUM.epf [2022-01-11 03:35:51,309 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-11 03:35:51,309 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-11 03:35:51,310 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-11 03:35:51,310 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-11 03:35:51,311 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-11 03:35:51,311 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-11 03:35:51,311 INFO L138 SettingsManager]: * Use SBE=true [2022-01-11 03:35:51,311 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-11 03:35:51,311 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-11 03:35:51,311 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-11 03:35:51,312 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-11 03:35:51,312 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-11 03:35:51,312 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-11 03:35:51,312 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-11 03:35:51,312 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-11 03:35:51,312 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-11 03:35:51,312 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-11 03:35:51,312 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-11 03:35:51,312 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-11 03:35:51,313 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-11 03:35:51,313 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-11 03:35:51,313 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-11 03:35:51,313 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-11 03:35:51,313 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-11 03:35:51,313 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-11 03:35:51,313 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-11 03:35:51,313 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-11 03:35:51,313 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-11 03:35:51,313 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-11 03:35:51,313 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-11 03:35:51,313 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-11 03:35:51,314 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-11 03:35:51,315 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-11 03:35:51,315 INFO L138 SettingsManager]: * TransformationType=BV_TO_INT_SUM 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-11 03:35:51,513 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-11 03:35:51,525 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-11 03:35:51,527 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-11 03:35:51,528 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-11 03:35:51,528 INFO L275 PluginConnector]: CDTParser initialized [2022-01-11 03:35:51,529 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label42.c [2022-01-11 03:35:51,565 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2add414d8/7ca3b1c32c2a4af08fa3e6eb66e36c27/FLAG10d1dbee5 [2022-01-11 03:35:51,999 INFO L306 CDTParser]: Found 1 translation units. [2022-01-11 03:35:52,000 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label42.c [2022-01-11 03:35:52,016 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2add414d8/7ca3b1c32c2a4af08fa3e6eb66e36c27/FLAG10d1dbee5 [2022-01-11 03:35:52,383 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2add414d8/7ca3b1c32c2a4af08fa3e6eb66e36c27 [2022-01-11 03:35:52,385 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-11 03:35:52,386 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-11 03:35:52,390 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-11 03:35:52,390 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-11 03:35:52,393 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-11 03:35:52,394 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.01 03:35:52" (1/1) ... [2022-01-11 03:35:52,395 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20500820 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 03:35:52, skipping insertion in model container [2022-01-11 03:35:52,395 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.01 03:35:52" (1/1) ... [2022-01-11 03:35:52,399 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-11 03:35:52,429 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-11 03:35:52,718 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label42.c[19849,19862] [2022-01-11 03:35:52,738 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-11 03:35:52,753 INFO L203 MainTranslator]: Completed pre-run [2022-01-11 03:35:52,832 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label42.c[19849,19862] [2022-01-11 03:35:52,844 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-11 03:35:52,855 INFO L208 MainTranslator]: Completed translation [2022-01-11 03:35:52,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 03:35:52 WrapperNode [2022-01-11 03:35:52,856 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-11 03:35:52,856 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-11 03:35:52,856 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-11 03:35:52,856 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-11 03:35:52,861 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 03:35:52" (1/1) ... [2022-01-11 03:35:52,884 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 03:35:52" (1/1) ... [2022-01-11 03:35:52,930 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 655 [2022-01-11 03:35:52,931 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-11 03:35:52,932 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-11 03:35:52,932 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-11 03:35:52,932 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-11 03:35:52,937 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 03:35:52" (1/1) ... [2022-01-11 03:35:52,937 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 03:35:52" (1/1) ... [2022-01-11 03:35:52,942 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 03:35:52" (1/1) ... [2022-01-11 03:35:52,942 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 03:35:52" (1/1) ... [2022-01-11 03:35:52,962 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 03:35:52" (1/1) ... [2022-01-11 03:35:52,968 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 03:35:52" (1/1) ... [2022-01-11 03:35:52,970 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 03:35:52" (1/1) ... [2022-01-11 03:35:52,987 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-11 03:35:52,988 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-11 03:35:52,988 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-11 03:35:52,989 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-11 03:35:52,989 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 03:35:52" (1/1) ... [2022-01-11 03:35:52,994 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-11 03:35:53,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-11 03:35:53,040 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-11 03:35:53,059 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-11 03:35:53,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-11 03:35:53,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-11 03:35:53,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-11 03:35:53,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-11 03:35:53,139 INFO L234 CfgBuilder]: Building ICFG [2022-01-11 03:35:53,141 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-11 03:35:53,887 INFO L275 CfgBuilder]: Performing block encoding [2022-01-11 03:35:53,895 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-11 03:35:53,895 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-01-11 03:35:53,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 03:35:53 BoogieIcfgContainer [2022-01-11 03:35:53,897 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-11 03:35:53,897 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-11 03:35:53,897 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-11 03:35:53,899 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-11 03:35:53,901 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 03:35:53" (1/1) ... [2022-01-11 03:35:54,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 11.01 03:35:54 BasicIcfg [2022-01-11 03:35:54,129 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-11 03:35:54,131 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-11 03:35:54,131 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-11 03:35:54,132 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-11 03:35:54,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.01 03:35:52" (1/4) ... [2022-01-11 03:35:54,133 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b9cb1a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.01 03:35:54, skipping insertion in model container [2022-01-11 03:35:54,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 03:35:52" (2/4) ... [2022-01-11 03:35:54,133 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b9cb1a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.01 03:35:54, skipping insertion in model container [2022-01-11 03:35:54,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 03:35:53" (3/4) ... [2022-01-11 03:35:54,134 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b9cb1a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.01 03:35:54, skipping insertion in model container [2022-01-11 03:35:54,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 11.01 03:35:54" (4/4) ... [2022-01-11 03:35:54,134 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label42.cTransformedIcfg [2022-01-11 03:35:54,140 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-11 03:35:54,140 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-11 03:35:54,184 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-11 03:35:54,190 INFO L339 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=LoopsAndPotentialCycles, 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, mLoopAccelerationTechnique=FAST_UPR [2022-01-11 03:35:54,190 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-11 03:35:54,205 INFO L276 IsEmpty]: Start isEmpty. Operand has 198 states, 196 states have (on average 1.6683673469387754) internal successors, (327), 197 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 03:35:54,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-01-11 03:35:54,217 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 03:35:54,218 INFO L514 BasicCegarLoop]: 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] [2022-01-11 03:35:54,218 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 03:35:54,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 03:35:54,222 INFO L85 PathProgramCache]: Analyzing trace with hash -1458077068, now seen corresponding path program 1 times [2022-01-11 03:35:54,227 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 03:35:54,228 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69229788] [2022-01-11 03:35:54,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 03:35:54,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 03:35:54,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 03:35:54,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 03:35:54,685 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 03:35:54,685 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69229788] [2022-01-11 03:35:54,686 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69229788] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 03:35:54,686 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 03:35:54,686 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-11 03:35:54,687 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809149396] [2022-01-11 03:35:54,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 03:35:54,690 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-11 03:35:54,690 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 03:35:54,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-11 03:35:54,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-01-11 03:35:54,708 INFO L87 Difference]: Start difference. First operand has 198 states, 196 states have (on average 1.6683673469387754) internal successors, (327), 197 states have internal predecessors, (327), 0 states have call successors, (0), 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 5 states, 5 states have (on average 23.0) internal successors, (115), 4 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 03:35:55,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 03:35:55,703 INFO L93 Difference]: Finished difference Result 662 states and 1178 transitions. [2022-01-11 03:35:55,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-11 03:35:55,705 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.0) internal successors, (115), 4 states have internal predecessors, (115), 0 states have call successors, (0), 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 115 [2022-01-11 03:35:55,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 03:35:55,714 INFO L225 Difference]: With dead ends: 662 [2022-01-11 03:35:55,714 INFO L226 Difference]: Without dead ends: 397 [2022-01-11 03:35:55,717 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-01-11 03:35:55,719 INFO L933 BasicCegarLoop]: 53 mSDtfsCounter, 472 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 844 mSolverCounterSat, 246 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 472 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 1090 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 246 IncrementalHoareTripleChecker+Valid, 844 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-11 03:35:55,719 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [472 Valid, 76 Invalid, 1090 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [246 Valid, 844 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-11 03:35:55,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2022-01-11 03:35:55,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 397. [2022-01-11 03:35:55,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397 states, 396 states have (on average 1.3055555555555556) internal successors, (517), 396 states have internal predecessors, (517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 03:35:55,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 517 transitions. [2022-01-11 03:35:55,769 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 517 transitions. Word has length 115 [2022-01-11 03:35:55,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 03:35:55,770 INFO L470 AbstractCegarLoop]: Abstraction has 397 states and 517 transitions. [2022-01-11 03:35:55,770 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.0) internal successors, (115), 4 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 03:35:55,770 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 517 transitions. [2022-01-11 03:35:55,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-01-11 03:35:55,772 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 03:35:55,772 INFO L514 BasicCegarLoop]: trace histogram [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] [2022-01-11 03:35:55,772 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-11 03:35:55,773 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 03:35:55,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 03:35:55,773 INFO L85 PathProgramCache]: Analyzing trace with hash 600041064, now seen corresponding path program 1 times [2022-01-11 03:35:55,773 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 03:35:55,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690371768] [2022-01-11 03:35:55,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 03:35:55,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 03:35:55,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 03:35:55,991 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 03:35:55,991 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 03:35:55,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690371768] [2022-01-11 03:35:55,992 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690371768] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 03:35:55,992 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 03:35:55,992 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 03:35:55,993 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944733156] [2022-01-11 03:35:55,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 03:35:55,996 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-11 03:35:55,997 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 03:35:55,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-11 03:35:55,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-11 03:35:55,998 INFO L87 Difference]: Start difference. First operand 397 states and 517 transitions. Second operand has 4 states, 4 states have (on average 30.5) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 03:35:56,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 03:35:56,741 INFO L93 Difference]: Finished difference Result 1018 states and 1433 transitions. [2022-01-11 03:35:56,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-11 03:35:56,744 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.5) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 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 122 [2022-01-11 03:35:56,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 03:35:56,746 INFO L225 Difference]: With dead ends: 1018 [2022-01-11 03:35:56,746 INFO L226 Difference]: Without dead ends: 659 [2022-01-11 03:35:56,747 INFO L932 BasicCegarLoop]: 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 [2022-01-11 03:35:56,748 INFO L933 BasicCegarLoop]: 71 mSDtfsCounter, 130 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 526 mSolverCounterSat, 172 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 698 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 172 IncrementalHoareTripleChecker+Valid, 526 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-11 03:35:56,748 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [130 Valid, 81 Invalid, 698 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [172 Valid, 526 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-11 03:35:56,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states. [2022-01-11 03:35:56,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 397. [2022-01-11 03:35:56,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397 states, 396 states have (on average 1.196969696969697) internal successors, (474), 396 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 03:35:56,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 474 transitions. [2022-01-11 03:35:56,761 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 474 transitions. Word has length 122 [2022-01-11 03:35:56,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 03:35:56,761 INFO L470 AbstractCegarLoop]: Abstraction has 397 states and 474 transitions. [2022-01-11 03:35:56,762 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.5) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 03:35:56,762 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 474 transitions. [2022-01-11 03:35:56,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-01-11 03:35:56,763 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 03:35:56,764 INFO L514 BasicCegarLoop]: trace histogram [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] [2022-01-11 03:35:56,764 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-11 03:35:56,764 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 03:35:56,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 03:35:56,764 INFO L85 PathProgramCache]: Analyzing trace with hash -2108397167, now seen corresponding path program 1 times [2022-01-11 03:35:56,765 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 03:35:56,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30999154] [2022-01-11 03:35:56,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 03:35:56,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 03:35:56,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 03:35:56,815 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-11 03:35:56,816 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 03:35:56,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30999154] [2022-01-11 03:35:56,816 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30999154] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 03:35:56,816 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 03:35:56,816 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-11 03:35:56,816 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507858633] [2022-01-11 03:35:56,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 03:35:56,817 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 03:35:56,817 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 03:35:56,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 03:35:56,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 03:35:56,817 INFO L87 Difference]: Start difference. First operand 397 states and 474 transitions. Second operand has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 2 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 03:35:57,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 03:35:57,216 INFO L93 Difference]: Finished difference Result 923 states and 1105 transitions. [2022-01-11 03:35:57,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 03:35:57,216 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 2 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2022-01-11 03:35:57,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 03:35:57,218 INFO L225 Difference]: With dead ends: 923 [2022-01-11 03:35:57,218 INFO L226 Difference]: Without dead ends: 528 [2022-01-11 03:35:57,218 INFO L932 BasicCegarLoop]: 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 [2022-01-11 03:35:57,219 INFO L933 BasicCegarLoop]: 42 mSDtfsCounter, 125 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-11 03:35:57,220 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [125 Valid, 46 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 296 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-11 03:35:57,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2022-01-11 03:35:57,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 528. [2022-01-11 03:35:57,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 528 states, 527 states have (on average 1.1707779886148009) internal successors, (617), 527 states have internal predecessors, (617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 03:35:57,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 617 transitions. [2022-01-11 03:35:57,232 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 617 transitions. Word has length 130 [2022-01-11 03:35:57,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 03:35:57,232 INFO L470 AbstractCegarLoop]: Abstraction has 528 states and 617 transitions. [2022-01-11 03:35:57,232 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 2 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 03:35:57,232 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 617 transitions. [2022-01-11 03:35:57,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-01-11 03:35:57,234 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 03:35:57,234 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 03:35:57,234 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-11 03:35:57,234 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 03:35:57,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 03:35:57,235 INFO L85 PathProgramCache]: Analyzing trace with hash -830761519, now seen corresponding path program 1 times [2022-01-11 03:35:57,235 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 03:35:57,235 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053897308] [2022-01-11 03:35:57,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 03:35:57,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 03:35:57,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 03:35:57,287 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-01-11 03:35:57,287 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 03:35:57,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053897308] [2022-01-11 03:35:57,287 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053897308] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 03:35:57,287 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 03:35:57,287 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 03:35:57,287 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240230388] [2022-01-11 03:35:57,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 03:35:57,288 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 03:35:57,288 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 03:35:57,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 03:35:57,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 03:35:57,289 INFO L87 Difference]: Start difference. First operand 528 states and 617 transitions. Second operand has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 03:35:57,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 03:35:57,725 INFO L93 Difference]: Finished difference Result 1578 states and 1846 transitions. [2022-01-11 03:35:57,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 03:35:57,725 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 0 states have call successors, (0), 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 139 [2022-01-11 03:35:57,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 03:35:57,728 INFO L225 Difference]: With dead ends: 1578 [2022-01-11 03:35:57,728 INFO L226 Difference]: Without dead ends: 1052 [2022-01-11 03:35:57,729 INFO L932 BasicCegarLoop]: 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 [2022-01-11 03:35:57,730 INFO L933 BasicCegarLoop]: 24 mSDtfsCounter, 132 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 316 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-11 03:35:57,730 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [132 Valid, 28 Invalid, 363 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 316 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-11 03:35:57,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1052 states. [2022-01-11 03:35:57,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1052 to 921. [2022-01-11 03:35:57,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 921 states, 920 states have (on average 1.1891304347826086) internal successors, (1094), 920 states have internal predecessors, (1094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 03:35:57,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 921 states and 1094 transitions. [2022-01-11 03:35:57,745 INFO L78 Accepts]: Start accepts. Automaton has 921 states and 1094 transitions. Word has length 139 [2022-01-11 03:35:57,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 03:35:57,745 INFO L470 AbstractCegarLoop]: Abstraction has 921 states and 1094 transitions. [2022-01-11 03:35:57,745 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 03:35:57,746 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1094 transitions. [2022-01-11 03:35:57,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-01-11 03:35:57,747 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 03:35:57,748 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-01-11 03:35:57,748 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-11 03:35:57,748 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 03:35:57,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 03:35:57,748 INFO L85 PathProgramCache]: Analyzing trace with hash 1969578795, now seen corresponding path program 1 times [2022-01-11 03:35:57,748 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 03:35:57,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078519914] [2022-01-11 03:35:57,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 03:35:57,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 03:35:57,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 03:35:57,801 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-11 03:35:57,801 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 03:35:57,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078519914] [2022-01-11 03:35:57,801 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078519914] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 03:35:57,801 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 03:35:57,801 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 03:35:57,802 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929011877] [2022-01-11 03:35:57,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 03:35:57,802 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 03:35:57,802 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 03:35:57,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 03:35:57,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 03:35:57,803 INFO L87 Difference]: Start difference. First operand 921 states and 1094 transitions. Second operand has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 03:35:58,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 03:35:58,268 INFO L93 Difference]: Finished difference Result 2102 states and 2479 transitions. [2022-01-11 03:35:58,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 03:35:58,285 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 0 states have call successors, (0), 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 145 [2022-01-11 03:35:58,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 03:35:58,288 INFO L225 Difference]: With dead ends: 2102 [2022-01-11 03:35:58,289 INFO L226 Difference]: Without dead ends: 1183 [2022-01-11 03:35:58,289 INFO L932 BasicCegarLoop]: 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 [2022-01-11 03:35:58,290 INFO L933 BasicCegarLoop]: 185 mSDtfsCounter, 121 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 331 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-11 03:35:58,290 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [121 Valid, 191 Invalid, 363 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 331 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-11 03:35:58,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1183 states. [2022-01-11 03:35:58,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1183 to 1052. [2022-01-11 03:35:58,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1052 states, 1051 states have (on average 1.1455756422454806) internal successors, (1204), 1051 states have internal predecessors, (1204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 03:35:58,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1204 transitions. [2022-01-11 03:35:58,305 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1204 transitions. Word has length 145 [2022-01-11 03:35:58,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 03:35:58,305 INFO L470 AbstractCegarLoop]: Abstraction has 1052 states and 1204 transitions. [2022-01-11 03:35:58,306 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 03:35:58,306 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1204 transitions. [2022-01-11 03:35:58,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2022-01-11 03:35:58,307 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 03:35:58,307 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 03:35:58,308 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-11 03:35:58,308 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 03:35:58,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 03:35:58,308 INFO L85 PathProgramCache]: Analyzing trace with hash 1961651453, now seen corresponding path program 1 times [2022-01-11 03:35:58,308 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 03:35:58,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105374695] [2022-01-11 03:35:58,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 03:35:58,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 03:35:58,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 03:35:58,369 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-11 03:35:58,370 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 03:35:58,370 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105374695] [2022-01-11 03:35:58,370 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105374695] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 03:35:58,370 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 03:35:58,370 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 03:35:58,370 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386878414] [2022-01-11 03:35:58,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 03:35:58,370 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 03:35:58,371 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 03:35:58,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 03:35:58,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 03:35:58,371 INFO L87 Difference]: Start difference. First operand 1052 states and 1204 transitions. Second operand has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 03:35:58,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 03:35:58,819 INFO L93 Difference]: Finished difference Result 2495 states and 2883 transitions. [2022-01-11 03:35:58,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 03:35:58,819 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 0 states have call successors, (0), 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 159 [2022-01-11 03:35:58,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 03:35:58,822 INFO L225 Difference]: With dead ends: 2495 [2022-01-11 03:35:58,823 INFO L226 Difference]: Without dead ends: 1445 [2022-01-11 03:35:58,824 INFO L932 BasicCegarLoop]: 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 [2022-01-11 03:35:58,824 INFO L933 BasicCegarLoop]: 181 mSDtfsCounter, 121 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 313 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-11 03:35:58,825 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [121 Valid, 187 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 313 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-11 03:35:58,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1445 states. [2022-01-11 03:35:58,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1445 to 1445. [2022-01-11 03:35:58,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1445 states, 1444 states have (on average 1.123961218836565) internal successors, (1623), 1444 states have internal predecessors, (1623), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 03:35:58,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1445 states to 1445 states and 1623 transitions. [2022-01-11 03:35:58,842 INFO L78 Accepts]: Start accepts. Automaton has 1445 states and 1623 transitions. Word has length 159 [2022-01-11 03:35:58,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 03:35:58,842 INFO L470 AbstractCegarLoop]: Abstraction has 1445 states and 1623 transitions. [2022-01-11 03:35:58,842 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 03:35:58,842 INFO L276 IsEmpty]: Start isEmpty. Operand 1445 states and 1623 transitions. [2022-01-11 03:35:58,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2022-01-11 03:35:58,844 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 03:35:58,844 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 03:35:58,844 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-11 03:35:58,845 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 03:35:58,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 03:35:58,845 INFO L85 PathProgramCache]: Analyzing trace with hash 1630213146, now seen corresponding path program 1 times [2022-01-11 03:35:58,845 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 03:35:58,845 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403110930] [2022-01-11 03:35:58,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 03:35:58,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 03:35:58,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 03:35:58,944 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-11 03:35:58,945 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 03:35:58,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403110930] [2022-01-11 03:35:58,945 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403110930] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 03:35:58,945 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 03:35:58,945 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 03:35:58,945 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250092805] [2022-01-11 03:35:58,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 03:35:58,946 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 03:35:58,946 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 03:35:58,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 03:35:58,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 03:35:58,947 INFO L87 Difference]: Start difference. First operand 1445 states and 1623 transitions. Second operand has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 03:35:59,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 03:35:59,338 INFO L93 Difference]: Finished difference Result 3281 states and 3713 transitions. [2022-01-11 03:35:59,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 03:35:59,338 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 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 162 [2022-01-11 03:35:59,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 03:35:59,343 INFO L225 Difference]: With dead ends: 3281 [2022-01-11 03:35:59,344 INFO L226 Difference]: Without dead ends: 1838 [2022-01-11 03:35:59,346 INFO L932 BasicCegarLoop]: 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 [2022-01-11 03:35:59,349 INFO L933 BasicCegarLoop]: 34 mSDtfsCounter, 122 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-11 03:35:59,349 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [122 Valid, 39 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 319 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-11 03:35:59,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1838 states. [2022-01-11 03:35:59,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1838 to 1576. [2022-01-11 03:35:59,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1576 states, 1575 states have (on average 1.1295238095238096) internal successors, (1779), 1575 states have internal predecessors, (1779), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 03:35:59,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1576 states and 1779 transitions. [2022-01-11 03:35:59,377 INFO L78 Accepts]: Start accepts. Automaton has 1576 states and 1779 transitions. Word has length 162 [2022-01-11 03:35:59,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 03:35:59,377 INFO L470 AbstractCegarLoop]: Abstraction has 1576 states and 1779 transitions. [2022-01-11 03:35:59,378 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 03:35:59,378 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 1779 transitions. [2022-01-11 03:35:59,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2022-01-11 03:35:59,380 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 03:35:59,380 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 03:35:59,381 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-11 03:35:59,381 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 03:35:59,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 03:35:59,381 INFO L85 PathProgramCache]: Analyzing trace with hash -1602221167, now seen corresponding path program 1 times [2022-01-11 03:35:59,381 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 03:35:59,381 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329901359] [2022-01-11 03:35:59,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 03:35:59,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 03:35:59,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 03:35:59,477 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-01-11 03:35:59,478 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 03:35:59,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329901359] [2022-01-11 03:35:59,478 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329901359] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 03:35:59,478 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 03:35:59,478 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-11 03:35:59,478 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938147743] [2022-01-11 03:35:59,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 03:35:59,478 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-11 03:35:59,478 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 03:35:59,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-11 03:35:59,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-11 03:35:59,479 INFO L87 Difference]: Start difference. First operand 1576 states and 1779 transitions. Second operand has 4 states, 4 states have (on average 44.25) internal successors, (177), 4 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 03:36:00,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 03:36:00,254 INFO L93 Difference]: Finished difference Result 3674 states and 4163 transitions. [2022-01-11 03:36:00,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-11 03:36:00,254 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 44.25) internal successors, (177), 4 states have internal predecessors, (177), 0 states have call successors, (0), 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 190 [2022-01-11 03:36:00,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 03:36:00,259 INFO L225 Difference]: With dead ends: 3674 [2022-01-11 03:36:00,259 INFO L226 Difference]: Without dead ends: 2100 [2022-01-11 03:36:00,261 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-11 03:36:00,261 INFO L933 BasicCegarLoop]: 11 mSDtfsCounter, 233 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 588 mSolverCounterSat, 122 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 710 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 588 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-11 03:36:00,261 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [233 Valid, 20 Invalid, 710 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 588 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-11 03:36:00,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2100 states. [2022-01-11 03:36:00,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2100 to 1838. [2022-01-11 03:36:00,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1838 states, 1837 states have (on average 1.1317365269461077) internal successors, (2079), 1837 states have internal predecessors, (2079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 03:36:00,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1838 states and 2079 transitions. [2022-01-11 03:36:00,319 INFO L78 Accepts]: Start accepts. Automaton has 1838 states and 2079 transitions. Word has length 190 [2022-01-11 03:36:00,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 03:36:00,320 INFO L470 AbstractCegarLoop]: Abstraction has 1838 states and 2079 transitions. [2022-01-11 03:36:00,320 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 44.25) internal successors, (177), 4 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 03:36:00,320 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 2079 transitions. [2022-01-11 03:36:00,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-11 03:36:00,323 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 03:36:00,323 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-01-11 03:36:00,323 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-01-11 03:36:00,324 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 03:36:00,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 03:36:00,324 INFO L85 PathProgramCache]: Analyzing trace with hash 132801513, now seen corresponding path program 1 times [2022-01-11 03:36:00,324 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 03:36:00,324 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205935003] [2022-01-11 03:36:00,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 03:36:00,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 03:36:00,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 03:36:00,506 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-11 03:36:00,506 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 03:36:00,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205935003] [2022-01-11 03:36:00,506 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205935003] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 03:36:00,506 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 03:36:00,507 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-11 03:36:00,507 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717161891] [2022-01-11 03:36:00,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 03:36:00,507 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 03:36:00,507 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 03:36:00,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 03:36:00,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 03:36:00,508 INFO L87 Difference]: Start difference. First operand 1838 states and 2079 transitions. Second operand has 3 states, 3 states have (on average 59.0) internal successors, (177), 2 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 03:36:00,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 03:36:00,906 INFO L93 Difference]: Finished difference Result 3805 states and 4333 transitions. [2022-01-11 03:36:00,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 03:36:00,908 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 2 states have internal predecessors, (177), 0 states have call successors, (0), 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 199 [2022-01-11 03:36:00,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 03:36:00,913 INFO L225 Difference]: With dead ends: 3805 [2022-01-11 03:36:00,913 INFO L226 Difference]: Without dead ends: 1969 [2022-01-11 03:36:00,914 INFO L932 BasicCegarLoop]: 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 [2022-01-11 03:36:00,915 INFO L933 BasicCegarLoop]: 51 mSDtfsCounter, 74 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 299 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 348 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-11 03:36:00,915 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [74 Valid, 56 Invalid, 348 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 299 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-11 03:36:00,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1969 states. [2022-01-11 03:36:00,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1969 to 1838. [2022-01-11 03:36:00,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1838 states, 1837 states have (on average 1.1213935764833969) internal successors, (2060), 1837 states have internal predecessors, (2060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 03:36:00,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1838 states and 2060 transitions. [2022-01-11 03:36:00,954 INFO L78 Accepts]: Start accepts. Automaton has 1838 states and 2060 transitions. Word has length 199 [2022-01-11 03:36:00,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 03:36:00,955 INFO L470 AbstractCegarLoop]: Abstraction has 1838 states and 2060 transitions. [2022-01-11 03:36:00,955 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 2 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 03:36:00,955 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 2060 transitions. [2022-01-11 03:36:00,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-01-11 03:36:00,958 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 03:36:00,958 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 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] [2022-01-11 03:36:00,958 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-01-11 03:36:00,958 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 03:36:00,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 03:36:00,959 INFO L85 PathProgramCache]: Analyzing trace with hash 1992074241, now seen corresponding path program 1 times [2022-01-11 03:36:00,975 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 03:36:00,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768191566] [2022-01-11 03:36:00,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 03:36:00,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 03:36:01,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 03:36:01,222 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 03:36:01,222 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 03:36:01,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768191566] [2022-01-11 03:36:01,222 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1768191566] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 03:36:01,222 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 03:36:01,222 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-11 03:36:01,223 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433693767] [2022-01-11 03:36:01,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 03:36:01,223 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-11 03:36:01,223 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 03:36:01,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-11 03:36:01,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-01-11 03:36:01,224 INFO L87 Difference]: Start difference. First operand 1838 states and 2060 transitions. Second operand has 6 states, 6 states have (on average 36.5) internal successors, (219), 5 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 03:36:02,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 03:36:02,129 INFO L93 Difference]: Finished difference Result 4280 states and 4796 transitions. [2022-01-11 03:36:02,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-11 03:36:02,129 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 36.5) internal successors, (219), 5 states have internal predecessors, (219), 0 states have call successors, (0), 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 219 [2022-01-11 03:36:02,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 03:36:02,135 INFO L225 Difference]: With dead ends: 4280 [2022-01-11 03:36:02,135 INFO L226 Difference]: Without dead ends: 2362 [2022-01-11 03:36:02,137 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-01-11 03:36:02,137 INFO L933 BasicCegarLoop]: 33 mSDtfsCounter, 456 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 1092 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 456 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 1231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 1092 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-11 03:36:02,138 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [456 Valid, 57 Invalid, 1231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 1092 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-11 03:36:02,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2362 states. [2022-01-11 03:36:02,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2362 to 2100. [2022-01-11 03:36:02,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2100 states, 2099 states have (on average 1.1024297284421154) internal successors, (2314), 2099 states have internal predecessors, (2314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 03:36:02,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2100 states to 2100 states and 2314 transitions. [2022-01-11 03:36:02,164 INFO L78 Accepts]: Start accepts. Automaton has 2100 states and 2314 transitions. Word has length 219 [2022-01-11 03:36:02,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 03:36:02,164 INFO L470 AbstractCegarLoop]: Abstraction has 2100 states and 2314 transitions. [2022-01-11 03:36:02,165 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 36.5) internal successors, (219), 5 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 03:36:02,165 INFO L276 IsEmpty]: Start isEmpty. Operand 2100 states and 2314 transitions. [2022-01-11 03:36:02,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2022-01-11 03:36:02,168 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 03:36:02,168 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 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, 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] [2022-01-11 03:36:02,169 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-01-11 03:36:02,169 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 03:36:02,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 03:36:02,169 INFO L85 PathProgramCache]: Analyzing trace with hash 1821242991, now seen corresponding path program 1 times [2022-01-11 03:36:02,169 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 03:36:02,170 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799084252] [2022-01-11 03:36:02,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 03:36:02,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 03:36:02,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 03:36:02,305 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-01-11 03:36:02,305 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 03:36:02,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799084252] [2022-01-11 03:36:02,305 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799084252] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 03:36:02,305 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 03:36:02,305 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 03:36:02,305 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617532353] [2022-01-11 03:36:02,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 03:36:02,306 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 03:36:02,306 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 03:36:02,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 03:36:02,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 03:36:02,307 INFO L87 Difference]: Start difference. First operand 2100 states and 2314 transitions. Second operand has 3 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 03:36:02,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 03:36:02,642 INFO L93 Difference]: Finished difference Result 4329 states and 4803 transitions. [2022-01-11 03:36:02,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 03:36:02,643 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 0 states have call successors, (0), 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 255 [2022-01-11 03:36:02,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 03:36:02,648 INFO L225 Difference]: With dead ends: 4329 [2022-01-11 03:36:02,648 INFO L226 Difference]: Without dead ends: 2231 [2022-01-11 03:36:02,650 INFO L932 BasicCegarLoop]: 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 [2022-01-11 03:36:02,651 INFO L933 BasicCegarLoop]: 40 mSDtfsCounter, 120 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-11 03:36:02,652 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [120 Valid, 45 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 321 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-11 03:36:02,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2231 states. [2022-01-11 03:36:02,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2231 to 2231. [2022-01-11 03:36:02,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2231 states, 2230 states have (on average 1.1013452914798205) internal successors, (2456), 2230 states have internal predecessors, (2456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 03:36:02,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2231 states to 2231 states and 2456 transitions. [2022-01-11 03:36:02,703 INFO L78 Accepts]: Start accepts. Automaton has 2231 states and 2456 transitions. Word has length 255 [2022-01-11 03:36:02,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 03:36:02,703 INFO L470 AbstractCegarLoop]: Abstraction has 2231 states and 2456 transitions. [2022-01-11 03:36:02,703 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 03:36:02,704 INFO L276 IsEmpty]: Start isEmpty. Operand 2231 states and 2456 transitions. [2022-01-11 03:36:02,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2022-01-11 03:36:02,707 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 03:36:02,707 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 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, 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] [2022-01-11 03:36:02,707 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-01-11 03:36:02,707 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 03:36:02,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 03:36:02,708 INFO L85 PathProgramCache]: Analyzing trace with hash 32147524, now seen corresponding path program 1 times [2022-01-11 03:36:02,708 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 03:36:02,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508243378] [2022-01-11 03:36:02,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 03:36:02,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 03:36:02,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 03:36:02,855 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2022-01-11 03:36:02,856 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 03:36:02,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508243378] [2022-01-11 03:36:02,856 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508243378] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 03:36:02,856 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 03:36:02,856 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 03:36:02,856 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505660324] [2022-01-11 03:36:02,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 03:36:02,857 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 03:36:02,857 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 03:36:02,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 03:36:02,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 03:36:02,858 INFO L87 Difference]: Start difference. First operand 2231 states and 2456 transitions. Second operand has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 03:36:03,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 03:36:03,183 INFO L93 Difference]: Finished difference Result 4589 states and 5047 transitions. [2022-01-11 03:36:03,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 03:36:03,184 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 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 266 [2022-01-11 03:36:03,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 03:36:03,184 INFO L225 Difference]: With dead ends: 4589 [2022-01-11 03:36:03,184 INFO L226 Difference]: Without dead ends: 0 [2022-01-11 03:36:03,188 INFO L932 BasicCegarLoop]: 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 [2022-01-11 03:36:03,188 INFO L933 BasicCegarLoop]: 161 mSDtfsCounter, 23 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 314 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-11 03:36:03,188 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [23 Valid, 166 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 314 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-11 03:36:03,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-11 03:36:03,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-11 03:36:03,189 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) [2022-01-11 03:36:03,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-11 03:36:03,189 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 266 [2022-01-11 03:36:03,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 03:36:03,189 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-11 03:36:03,189 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 03:36:03,189 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-11 03:36:03,189 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-11 03:36:03,191 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-11 03:36:03,192 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-01-11 03:36:03,193 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-11 03:36:03,728 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-11 03:36:03,728 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-11 03:36:03,728 INFO L854 garLoopResultBuilder]: At program point L593-2(lines 593 603) the Hoare annotation is: (let ((.cse2 (= ~a17~0Int 1)) (.cse3 (= ~a20~0Int 1)) (.cse7 (<= ~a16~0Int 5)) (.cse6 (<= ~a17~0Int 0)) (.cse0 (= ~a21~0Int 1)) (.cse1 (not (= ~a7~0Int 1))) (.cse5 (not (= ~a8~0Int 13))) (.cse4 (= ~a12~0Int 8))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and (<= ~a16~0Int 4) (<= ~a20~0Int 0)) (and .cse0 .cse1 .cse5 .cse2 .cse4) (and .cse6 .cse3) (and .cse0 .cse5 (<= 5 ~a16~0Int) .cse3 .cse4) (and .cse7 .cse2 .cse3) (and .cse7 .cse6) (and .cse6 .cse0 .cse1 .cse5 .cse4))) [2022-01-11 03:36:03,729 INFO L861 garLoopResultBuilder]: At program point L587(lines 587 604) the Hoare annotation is: true [2022-01-11 03:36:03,729 INFO L858 garLoopResultBuilder]: For program point L598(line 598) no Hoare annotation was computed. [2022-01-11 03:36:03,729 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-11 03:36:03,729 INFO L858 garLoopResultBuilder]: For program point L41(lines 41 400) no Hoare annotation was computed. [2022-01-11 03:36:03,729 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-11 03:36:03,729 INFO L854 garLoopResultBuilder]: At program point L584(lines 40 585) the Hoare annotation is: (let ((.cse2 (= ~a17~0Int 1)) (.cse3 (= ~a20~0Int 1)) (.cse7 (<= ~a16~0Int 5)) (.cse6 (<= ~a17~0Int 0)) (.cse0 (= ~a21~0Int 1)) (.cse1 (not (= ~a7~0Int 1))) (.cse5 (not (= ~a8~0Int 13))) (.cse4 (= ~a12~0Int 8))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and (<= ~a16~0Int 4) (<= ~a20~0Int 0)) (and .cse0 .cse1 .cse5 .cse2 .cse4) (and .cse6 .cse3) (and .cse0 .cse5 (<= 5 ~a16~0Int) .cse3 .cse4) (and .cse7 .cse2 .cse3) (and .cse7 .cse6) (and .cse6 .cse0 .cse1 .cse5 .cse4))) [2022-01-11 03:36:03,729 INFO L858 garLoopResultBuilder]: For program point L45(lines 45 400) no Hoare annotation was computed. [2022-01-11 03:36:03,729 INFO L858 garLoopResultBuilder]: For program point L53(lines 53 400) no Hoare annotation was computed. [2022-01-11 03:36:03,729 INFO L858 garLoopResultBuilder]: For program point L59(lines 59 400) no Hoare annotation was computed. [2022-01-11 03:36:03,729 INFO L858 garLoopResultBuilder]: For program point L64(lines 64 400) no Hoare annotation was computed. [2022-01-11 03:36:03,729 INFO L858 garLoopResultBuilder]: For program point L72(lines 72 400) no Hoare annotation was computed. [2022-01-11 03:36:03,729 INFO L858 garLoopResultBuilder]: For program point L75(lines 75 400) no Hoare annotation was computed. [2022-01-11 03:36:03,729 INFO L858 garLoopResultBuilder]: For program point L82(lines 82 400) no Hoare annotation was computed. [2022-01-11 03:36:03,729 INFO L858 garLoopResultBuilder]: For program point L90(lines 90 400) no Hoare annotation was computed. [2022-01-11 03:36:03,730 INFO L858 garLoopResultBuilder]: For program point L94(lines 94 400) no Hoare annotation was computed. [2022-01-11 03:36:03,730 INFO L858 garLoopResultBuilder]: For program point L102(lines 102 400) no Hoare annotation was computed. [2022-01-11 03:36:03,730 INFO L858 garLoopResultBuilder]: For program point L107(lines 107 400) no Hoare annotation was computed. [2022-01-11 03:36:03,730 INFO L858 garLoopResultBuilder]: For program point L112(lines 112 400) no Hoare annotation was computed. [2022-01-11 03:36:03,730 INFO L858 garLoopResultBuilder]: For program point L118(lines 118 400) no Hoare annotation was computed. [2022-01-11 03:36:03,730 INFO L858 garLoopResultBuilder]: For program point L124(lines 124 400) no Hoare annotation was computed. [2022-01-11 03:36:03,730 INFO L858 garLoopResultBuilder]: For program point L129(lines 129 400) no Hoare annotation was computed. [2022-01-11 03:36:03,730 INFO L858 garLoopResultBuilder]: For program point L134(lines 134 400) no Hoare annotation was computed. [2022-01-11 03:36:03,730 INFO L858 garLoopResultBuilder]: For program point L139(lines 139 400) no Hoare annotation was computed. [2022-01-11 03:36:03,730 INFO L858 garLoopResultBuilder]: For program point L146(lines 146 400) no Hoare annotation was computed. [2022-01-11 03:36:03,730 INFO L858 garLoopResultBuilder]: For program point L150(lines 150 400) no Hoare annotation was computed. [2022-01-11 03:36:03,730 INFO L858 garLoopResultBuilder]: For program point L154(lines 154 400) no Hoare annotation was computed. [2022-01-11 03:36:03,730 INFO L858 garLoopResultBuilder]: For program point L158(lines 158 400) no Hoare annotation was computed. [2022-01-11 03:36:03,730 INFO L858 garLoopResultBuilder]: For program point L162(lines 162 400) no Hoare annotation was computed. [2022-01-11 03:36:03,730 INFO L858 garLoopResultBuilder]: For program point L170(lines 170 400) no Hoare annotation was computed. [2022-01-11 03:36:03,730 INFO L858 garLoopResultBuilder]: For program point L175(lines 175 400) no Hoare annotation was computed. [2022-01-11 03:36:03,730 INFO L858 garLoopResultBuilder]: For program point L183(lines 183 400) no Hoare annotation was computed. [2022-01-11 03:36:03,731 INFO L858 garLoopResultBuilder]: For program point L188(lines 188 400) no Hoare annotation was computed. [2022-01-11 03:36:03,731 INFO L858 garLoopResultBuilder]: For program point L196(lines 196 400) no Hoare annotation was computed. [2022-01-11 03:36:03,731 INFO L858 garLoopResultBuilder]: For program point L199(lines 199 400) no Hoare annotation was computed. [2022-01-11 03:36:03,731 INFO L858 garLoopResultBuilder]: For program point L204(lines 204 400) no Hoare annotation was computed. [2022-01-11 03:36:03,731 INFO L858 garLoopResultBuilder]: For program point L207(lines 207 400) no Hoare annotation was computed. [2022-01-11 03:36:03,731 INFO L858 garLoopResultBuilder]: For program point L213(lines 213 400) no Hoare annotation was computed. [2022-01-11 03:36:03,731 INFO L858 garLoopResultBuilder]: For program point L218(lines 218 400) no Hoare annotation was computed. [2022-01-11 03:36:03,731 INFO L858 garLoopResultBuilder]: For program point L224(lines 224 400) no Hoare annotation was computed. [2022-01-11 03:36:03,731 INFO L858 garLoopResultBuilder]: For program point L228(lines 228 400) no Hoare annotation was computed. [2022-01-11 03:36:03,731 INFO L858 garLoopResultBuilder]: For program point L233(lines 233 400) no Hoare annotation was computed. [2022-01-11 03:36:03,731 INFO L858 garLoopResultBuilder]: For program point L241(lines 241 400) no Hoare annotation was computed. [2022-01-11 03:36:03,731 INFO L858 garLoopResultBuilder]: For program point L248(lines 248 400) no Hoare annotation was computed. [2022-01-11 03:36:03,731 INFO L858 garLoopResultBuilder]: For program point L255(lines 255 400) no Hoare annotation was computed. [2022-01-11 03:36:03,731 INFO L858 garLoopResultBuilder]: For program point L260(lines 260 400) no Hoare annotation was computed. [2022-01-11 03:36:03,731 INFO L858 garLoopResultBuilder]: For program point L266(lines 266 400) no Hoare annotation was computed. [2022-01-11 03:36:03,731 INFO L858 garLoopResultBuilder]: For program point L271(lines 271 400) no Hoare annotation was computed. [2022-01-11 03:36:03,732 INFO L858 garLoopResultBuilder]: For program point L275(lines 275 400) no Hoare annotation was computed. [2022-01-11 03:36:03,732 INFO L858 garLoopResultBuilder]: For program point L278(lines 278 400) no Hoare annotation was computed. [2022-01-11 03:36:03,732 INFO L858 garLoopResultBuilder]: For program point L283(lines 283 400) no Hoare annotation was computed. [2022-01-11 03:36:03,732 INFO L858 garLoopResultBuilder]: For program point L288(lines 288 400) no Hoare annotation was computed. [2022-01-11 03:36:03,732 INFO L858 garLoopResultBuilder]: For program point L296(lines 296 400) no Hoare annotation was computed. [2022-01-11 03:36:03,732 INFO L858 garLoopResultBuilder]: For program point L302(lines 302 400) no Hoare annotation was computed. [2022-01-11 03:36:03,732 INFO L858 garLoopResultBuilder]: For program point L309(lines 309 400) no Hoare annotation was computed. [2022-01-11 03:36:03,732 INFO L858 garLoopResultBuilder]: For program point L316(lines 316 400) no Hoare annotation was computed. [2022-01-11 03:36:03,732 INFO L858 garLoopResultBuilder]: For program point L322(lines 322 400) no Hoare annotation was computed. [2022-01-11 03:36:03,732 INFO L858 garLoopResultBuilder]: For program point L326(lines 326 400) no Hoare annotation was computed. [2022-01-11 03:36:03,732 INFO L858 garLoopResultBuilder]: For program point L328(lines 328 400) no Hoare annotation was computed. [2022-01-11 03:36:03,732 INFO L858 garLoopResultBuilder]: For program point L334(lines 334 400) no Hoare annotation was computed. [2022-01-11 03:36:03,732 INFO L858 garLoopResultBuilder]: For program point L339(lines 339 400) no Hoare annotation was computed. [2022-01-11 03:36:03,732 INFO L858 garLoopResultBuilder]: For program point L343(lines 343 400) no Hoare annotation was computed. [2022-01-11 03:36:03,732 INFO L858 garLoopResultBuilder]: For program point L347(lines 347 400) no Hoare annotation was computed. [2022-01-11 03:36:03,732 INFO L858 garLoopResultBuilder]: For program point L355(lines 355 400) no Hoare annotation was computed. [2022-01-11 03:36:03,732 INFO L858 garLoopResultBuilder]: For program point L363(lines 363 400) no Hoare annotation was computed. [2022-01-11 03:36:03,733 INFO L858 garLoopResultBuilder]: For program point L365(lines 365 400) no Hoare annotation was computed. [2022-01-11 03:36:03,733 INFO L858 garLoopResultBuilder]: For program point L371(lines 371 400) no Hoare annotation was computed. [2022-01-11 03:36:03,733 INFO L858 garLoopResultBuilder]: For program point L373(lines 373 400) no Hoare annotation was computed. [2022-01-11 03:36:03,733 INFO L858 garLoopResultBuilder]: For program point L375(lines 375 400) no Hoare annotation was computed. [2022-01-11 03:36:03,733 INFO L858 garLoopResultBuilder]: For program point L382(lines 382 400) no Hoare annotation was computed. [2022-01-11 03:36:03,733 INFO L858 garLoopResultBuilder]: For program point L387(lines 387 400) no Hoare annotation was computed. [2022-01-11 03:36:03,733 INFO L858 garLoopResultBuilder]: For program point L392(lines 392 400) no Hoare annotation was computed. [2022-01-11 03:36:03,733 INFO L858 garLoopResultBuilder]: For program point L401(lines 401 403) no Hoare annotation was computed. [2022-01-11 03:36:03,733 INFO L858 garLoopResultBuilder]: For program point L402(line 402) no Hoare annotation was computed. [2022-01-11 03:36:03,733 INFO L858 garLoopResultBuilder]: For program point L401-2(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:36:03,733 INFO L858 garLoopResultBuilder]: For program point L405(line 405) no Hoare annotation was computed. [2022-01-11 03:36:03,733 INFO L858 garLoopResultBuilder]: For program point L404-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:36:03,733 INFO L858 garLoopResultBuilder]: For program point L408(line 408) no Hoare annotation was computed. [2022-01-11 03:36:03,733 INFO L858 garLoopResultBuilder]: For program point L407-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:36:03,733 INFO L858 garLoopResultBuilder]: For program point L411(line 411) no Hoare annotation was computed. [2022-01-11 03:36:03,733 INFO L858 garLoopResultBuilder]: For program point L410-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:36:03,733 INFO L858 garLoopResultBuilder]: For program point L414(line 414) no Hoare annotation was computed. [2022-01-11 03:36:03,733 INFO L858 garLoopResultBuilder]: For program point L413-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:36:03,734 INFO L858 garLoopResultBuilder]: For program point L417(line 417) no Hoare annotation was computed. [2022-01-11 03:36:03,734 INFO L858 garLoopResultBuilder]: For program point L416-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:36:03,734 INFO L858 garLoopResultBuilder]: For program point L420(line 420) no Hoare annotation was computed. [2022-01-11 03:36:03,734 INFO L858 garLoopResultBuilder]: For program point L419-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:36:03,734 INFO L858 garLoopResultBuilder]: For program point L423(line 423) no Hoare annotation was computed. [2022-01-11 03:36:03,734 INFO L858 garLoopResultBuilder]: For program point L422-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:36:03,734 INFO L858 garLoopResultBuilder]: For program point L426(line 426) no Hoare annotation was computed. [2022-01-11 03:36:03,734 INFO L858 garLoopResultBuilder]: For program point L425-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:36:03,734 INFO L858 garLoopResultBuilder]: For program point L429(line 429) no Hoare annotation was computed. [2022-01-11 03:36:03,734 INFO L858 garLoopResultBuilder]: For program point L428-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:36:03,734 INFO L858 garLoopResultBuilder]: For program point L432(line 432) no Hoare annotation was computed. [2022-01-11 03:36:03,734 INFO L858 garLoopResultBuilder]: For program point L431-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:36:03,734 INFO L858 garLoopResultBuilder]: For program point L435(line 435) no Hoare annotation was computed. [2022-01-11 03:36:03,734 INFO L858 garLoopResultBuilder]: For program point L434-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:36:03,734 INFO L858 garLoopResultBuilder]: For program point L438(line 438) no Hoare annotation was computed. [2022-01-11 03:36:03,734 INFO L858 garLoopResultBuilder]: For program point L437-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:36:03,734 INFO L858 garLoopResultBuilder]: For program point L441(line 441) no Hoare annotation was computed. [2022-01-11 03:36:03,734 INFO L858 garLoopResultBuilder]: For program point L440-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:36:03,737 INFO L858 garLoopResultBuilder]: For program point L444(line 444) no Hoare annotation was computed. [2022-01-11 03:36:03,737 INFO L858 garLoopResultBuilder]: For program point L443-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:36:03,737 INFO L858 garLoopResultBuilder]: For program point L447(line 447) no Hoare annotation was computed. [2022-01-11 03:36:03,737 INFO L858 garLoopResultBuilder]: For program point L446-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:36:03,737 INFO L858 garLoopResultBuilder]: For program point L450(line 450) no Hoare annotation was computed. [2022-01-11 03:36:03,737 INFO L858 garLoopResultBuilder]: For program point L449-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:36:03,737 INFO L858 garLoopResultBuilder]: For program point L453(line 453) no Hoare annotation was computed. [2022-01-11 03:36:03,737 INFO L858 garLoopResultBuilder]: For program point L452-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:36:03,737 INFO L858 garLoopResultBuilder]: For program point L456(line 456) no Hoare annotation was computed. [2022-01-11 03:36:03,737 INFO L858 garLoopResultBuilder]: For program point L455-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:36:03,737 INFO L858 garLoopResultBuilder]: For program point L459(line 459) no Hoare annotation was computed. [2022-01-11 03:36:03,737 INFO L858 garLoopResultBuilder]: For program point L458-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:36:03,737 INFO L858 garLoopResultBuilder]: For program point L462(line 462) no Hoare annotation was computed. [2022-01-11 03:36:03,738 INFO L858 garLoopResultBuilder]: For program point L461-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:36:03,738 INFO L858 garLoopResultBuilder]: For program point L465(line 465) no Hoare annotation was computed. [2022-01-11 03:36:03,738 INFO L858 garLoopResultBuilder]: For program point L464-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:36:03,738 INFO L858 garLoopResultBuilder]: For program point L468(line 468) no Hoare annotation was computed. [2022-01-11 03:36:03,738 INFO L858 garLoopResultBuilder]: For program point L467-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:36:03,738 INFO L858 garLoopResultBuilder]: For program point L471(line 471) no Hoare annotation was computed. [2022-01-11 03:36:03,738 INFO L858 garLoopResultBuilder]: For program point L470-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:36:03,738 INFO L858 garLoopResultBuilder]: For program point L474(line 474) no Hoare annotation was computed. [2022-01-11 03:36:03,738 INFO L858 garLoopResultBuilder]: For program point L473-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:36:03,738 INFO L858 garLoopResultBuilder]: For program point L477(line 477) no Hoare annotation was computed. [2022-01-11 03:36:03,738 INFO L858 garLoopResultBuilder]: For program point L476-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:36:03,738 INFO L858 garLoopResultBuilder]: For program point L480(line 480) no Hoare annotation was computed. [2022-01-11 03:36:03,738 INFO L858 garLoopResultBuilder]: For program point L479-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:36:03,738 INFO L858 garLoopResultBuilder]: For program point L483(line 483) no Hoare annotation was computed. [2022-01-11 03:36:03,738 INFO L858 garLoopResultBuilder]: For program point L482-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:36:03,738 INFO L858 garLoopResultBuilder]: For program point L486(line 486) no Hoare annotation was computed. [2022-01-11 03:36:03,738 INFO L858 garLoopResultBuilder]: For program point L485-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:36:03,738 INFO L858 garLoopResultBuilder]: For program point L489(line 489) no Hoare annotation was computed. [2022-01-11 03:36:03,738 INFO L858 garLoopResultBuilder]: For program point L488-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:36:03,738 INFO L858 garLoopResultBuilder]: For program point L492(line 492) no Hoare annotation was computed. [2022-01-11 03:36:03,739 INFO L858 garLoopResultBuilder]: For program point L491-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:36:03,739 INFO L858 garLoopResultBuilder]: For program point L495(line 495) no Hoare annotation was computed. [2022-01-11 03:36:03,739 INFO L858 garLoopResultBuilder]: For program point L494-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:36:03,739 INFO L858 garLoopResultBuilder]: For program point L498(line 498) no Hoare annotation was computed. [2022-01-11 03:36:03,739 INFO L858 garLoopResultBuilder]: For program point L497-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:36:03,739 INFO L858 garLoopResultBuilder]: For program point L501(line 501) no Hoare annotation was computed. [2022-01-11 03:36:03,739 INFO L858 garLoopResultBuilder]: For program point L500-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:36:03,739 INFO L858 garLoopResultBuilder]: For program point L504(line 504) no Hoare annotation was computed. [2022-01-11 03:36:03,739 INFO L858 garLoopResultBuilder]: For program point L503-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:36:03,739 INFO L858 garLoopResultBuilder]: For program point L507(line 507) no Hoare annotation was computed. [2022-01-11 03:36:03,739 INFO L858 garLoopResultBuilder]: For program point L506-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:36:03,739 INFO L858 garLoopResultBuilder]: For program point L510(line 510) no Hoare annotation was computed. [2022-01-11 03:36:03,739 INFO L858 garLoopResultBuilder]: For program point L509-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:36:03,739 INFO L858 garLoopResultBuilder]: For program point L513(line 513) no Hoare annotation was computed. [2022-01-11 03:36:03,739 INFO L858 garLoopResultBuilder]: For program point L512-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:36:03,739 INFO L858 garLoopResultBuilder]: For program point L516(line 516) no Hoare annotation was computed. [2022-01-11 03:36:03,739 INFO L858 garLoopResultBuilder]: For program point L515-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:36:03,739 INFO L858 garLoopResultBuilder]: For program point L519(line 519) no Hoare annotation was computed. [2022-01-11 03:36:03,739 INFO L858 garLoopResultBuilder]: For program point L518-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:36:03,740 INFO L858 garLoopResultBuilder]: For program point L522(line 522) no Hoare annotation was computed. [2022-01-11 03:36:03,740 INFO L858 garLoopResultBuilder]: For program point L521-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:36:03,740 INFO L858 garLoopResultBuilder]: For program point L525(line 525) no Hoare annotation was computed. [2022-01-11 03:36:03,740 INFO L858 garLoopResultBuilder]: For program point L524-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:36:03,740 INFO L858 garLoopResultBuilder]: For program point L528(line 528) no Hoare annotation was computed. [2022-01-11 03:36:03,740 INFO L858 garLoopResultBuilder]: For program point L527-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:36:03,740 INFO L858 garLoopResultBuilder]: For program point L531(line 531) no Hoare annotation was computed. [2022-01-11 03:36:03,740 INFO L858 garLoopResultBuilder]: For program point L530-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:36:03,740 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 531) no Hoare annotation was computed. [2022-01-11 03:36:03,740 INFO L858 garLoopResultBuilder]: For program point L534(line 534) no Hoare annotation was computed. [2022-01-11 03:36:03,740 INFO L858 garLoopResultBuilder]: For program point L533-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:36:03,740 INFO L858 garLoopResultBuilder]: For program point L537(line 537) no Hoare annotation was computed. [2022-01-11 03:36:03,740 INFO L858 garLoopResultBuilder]: For program point L536-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:36:03,740 INFO L858 garLoopResultBuilder]: For program point L540(line 540) no Hoare annotation was computed. [2022-01-11 03:36:03,740 INFO L858 garLoopResultBuilder]: For program point L539-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:36:03,740 INFO L858 garLoopResultBuilder]: For program point L543(line 543) no Hoare annotation was computed. [2022-01-11 03:36:03,740 INFO L858 garLoopResultBuilder]: For program point L542-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:36:03,740 INFO L858 garLoopResultBuilder]: For program point L546(line 546) no Hoare annotation was computed. [2022-01-11 03:36:03,741 INFO L858 garLoopResultBuilder]: For program point L545-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:36:03,741 INFO L858 garLoopResultBuilder]: For program point L549(line 549) no Hoare annotation was computed. [2022-01-11 03:36:03,741 INFO L858 garLoopResultBuilder]: For program point L548-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:36:03,741 INFO L858 garLoopResultBuilder]: For program point L552(line 552) no Hoare annotation was computed. [2022-01-11 03:36:03,741 INFO L858 garLoopResultBuilder]: For program point L551-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:36:03,741 INFO L858 garLoopResultBuilder]: For program point L555(line 555) no Hoare annotation was computed. [2022-01-11 03:36:03,741 INFO L858 garLoopResultBuilder]: For program point L554-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:36:03,741 INFO L858 garLoopResultBuilder]: For program point L558(line 558) no Hoare annotation was computed. [2022-01-11 03:36:03,741 INFO L858 garLoopResultBuilder]: For program point L557-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:36:03,741 INFO L858 garLoopResultBuilder]: For program point L561(line 561) no Hoare annotation was computed. [2022-01-11 03:36:03,741 INFO L858 garLoopResultBuilder]: For program point L560-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:36:03,741 INFO L858 garLoopResultBuilder]: For program point L564(line 564) no Hoare annotation was computed. [2022-01-11 03:36:03,741 INFO L858 garLoopResultBuilder]: For program point L563-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:36:03,741 INFO L858 garLoopResultBuilder]: For program point L567(line 567) no Hoare annotation was computed. [2022-01-11 03:36:03,741 INFO L858 garLoopResultBuilder]: For program point L566-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:36:03,741 INFO L858 garLoopResultBuilder]: For program point L570(line 570) no Hoare annotation was computed. [2022-01-11 03:36:03,741 INFO L858 garLoopResultBuilder]: For program point L569-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:36:03,741 INFO L858 garLoopResultBuilder]: For program point L573(line 573) no Hoare annotation was computed. [2022-01-11 03:36:03,741 INFO L858 garLoopResultBuilder]: For program point L572-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:36:03,741 INFO L858 garLoopResultBuilder]: For program point L576(line 576) no Hoare annotation was computed. [2022-01-11 03:36:03,742 INFO L858 garLoopResultBuilder]: For program point L575-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:36:03,742 INFO L858 garLoopResultBuilder]: For program point L579(line 579) no Hoare annotation was computed. [2022-01-11 03:36:03,742 INFO L858 garLoopResultBuilder]: For program point L578-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:36:03,742 INFO L858 garLoopResultBuilder]: For program point L582(line 582) no Hoare annotation was computed. [2022-01-11 03:36:03,742 INFO L858 garLoopResultBuilder]: For program point L581-1(lines 581 583) no Hoare annotation was computed. [2022-01-11 03:36:03,744 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 03:36:03,745 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-11 03:36:03,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.01 03:36:03 BasicIcfg [2022-01-11 03:36:03,803 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-11 03:36:03,803 INFO L158 Benchmark]: Toolchain (without parser) took 11416.72ms. Allocated memory was 158.3MB in the beginning and 289.4MB in the end (delta: 131.1MB). Free memory was 102.8MB in the beginning and 154.6MB in the end (delta: -51.8MB). Peak memory consumption was 150.1MB. Max. memory is 8.0GB. [2022-01-11 03:36:03,803 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 158.3MB. Free memory is still 120.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-11 03:36:03,803 INFO L158 Benchmark]: CACSL2BoogieTranslator took 465.74ms. Allocated memory was 158.3MB in the beginning and 213.9MB in the end (delta: 55.6MB). Free memory was 102.7MB in the beginning and 168.9MB in the end (delta: -66.2MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-01-11 03:36:03,804 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.58ms. Allocated memory is still 213.9MB. Free memory was 168.9MB in the beginning and 163.1MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2022-01-11 03:36:03,804 INFO L158 Benchmark]: Boogie Preprocessor took 55.96ms. Allocated memory is still 213.9MB. Free memory was 163.1MB in the beginning and 158.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-01-11 03:36:03,804 INFO L158 Benchmark]: RCFGBuilder took 908.64ms. Allocated memory is still 213.9MB. Free memory was 158.9MB in the beginning and 98.6MB in the end (delta: 60.3MB). Peak memory consumption was 59.8MB. Max. memory is 8.0GB. [2022-01-11 03:36:03,804 INFO L158 Benchmark]: IcfgTransformer took 232.10ms. Allocated memory is still 213.9MB. Free memory was 98.6MB in the beginning and 153.1MB in the end (delta: -54.4MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2022-01-11 03:36:03,804 INFO L158 Benchmark]: TraceAbstraction took 9672.00ms. Allocated memory was 213.9MB in the beginning and 289.4MB in the end (delta: 75.5MB). Free memory was 152.5MB in the beginning and 154.6MB in the end (delta: -2.0MB). Peak memory consumption was 143.2MB. Max. memory is 8.0GB. [2022-01-11 03:36:03,805 INFO L339 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 158.3MB. Free memory is still 120.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 465.74ms. Allocated memory was 158.3MB in the beginning and 213.9MB in the end (delta: 55.6MB). Free memory was 102.7MB in the beginning and 168.9MB in the end (delta: -66.2MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 74.58ms. Allocated memory is still 213.9MB. Free memory was 168.9MB in the beginning and 163.1MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 55.96ms. Allocated memory is still 213.9MB. Free memory was 163.1MB in the beginning and 158.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 908.64ms. Allocated memory is still 213.9MB. Free memory was 158.9MB in the beginning and 98.6MB in the end (delta: 60.3MB). Peak memory consumption was 59.8MB. Max. memory is 8.0GB. * IcfgTransformer took 232.10ms. Allocated memory is still 213.9MB. Free memory was 98.6MB in the beginning and 153.1MB in the end (delta: -54.4MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * TraceAbstraction took 9672.00ms. Allocated memory was 213.9MB in the beginning and 289.4MB in the end (delta: 75.5MB). Free memory was 152.5MB in the beginning and 154.6MB in the end (delta: -2.0MB). Peak memory consumption was 143.2MB. 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: 531]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 198 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.6s, OverallIterations: 12, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2129 SdHoareTripleChecker+Valid, 6.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2129 mSDsluCounter, 992 SdHoareTripleChecker+Invalid, 5.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 106 mSDsCounter, 980 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5559 IncrementalHoareTripleChecker+Invalid, 6539 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 980 mSolverCounterUnsat, 886 mSDtfsCounter, 5559 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2231occurred in iteration=11, InterpolantAutomatonStates: 45, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 12 MinimizatonAttempts, 1441 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 46 NumberOfFragments, 205 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1490 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 3206 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 2101 NumberOfCodeBlocks, 2101 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2089 ConstructedInterpolants, 0 QuantifiedInterpolants, 14290 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 1212/1212 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: 593]: Loop Invariant Derived loop invariant: ((((((((((1bv32 == a20 && 8bv32 == a12) && !(a7 == 1bv32)) && 1bv32 == a17) && 1bv32 == a21) || ((((1bv32 == a20 && 8bv32 == a12) && !(a8 == 13bv32)) && ~bvule32(5bv32, a16)) && 1bv32 == a21)) || (~bvule32(a16, 4bv32) && ~bvule32(a20, 0bv32))) || (~bvule32(a16, 5bv32) && ~bvule32(a17, 0bv32))) || ((((8bv32 == a12 && !(a7 == 1bv32)) && !(a8 == 13bv32)) && 1bv32 == a17) && 1bv32 == a21)) || ((1bv32 == a20 && ~bvule32(a16, 5bv32)) && 1bv32 == a17)) || (1bv32 == a20 && ~bvule32(a17, 0bv32))) || ((((8bv32 == a12 && !(a7 == 1bv32)) && !(a8 == 13bv32)) && ~bvule32(a17, 0bv32)) && 1bv32 == a21) - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: ((((((((((1bv32 == a20 && 8bv32 == a12) && !(a7 == 1bv32)) && 1bv32 == a17) && 1bv32 == a21) || ((((1bv32 == a20 && 8bv32 == a12) && !(a8 == 13bv32)) && ~bvule32(5bv32, a16)) && 1bv32 == a21)) || (~bvule32(a16, 4bv32) && ~bvule32(a20, 0bv32))) || (~bvule32(a16, 5bv32) && ~bvule32(a17, 0bv32))) || ((((8bv32 == a12 && !(a7 == 1bv32)) && !(a8 == 13bv32)) && 1bv32 == a17) && 1bv32 == a21)) || ((1bv32 == a20 && ~bvule32(a16, 5bv32)) && 1bv32 == a17)) || (1bv32 == a20 && ~bvule32(a17, 0bv32))) || ((((8bv32 == a12 && !(a7 == 1bv32)) && !(a8 == 13bv32)) && ~bvule32(a17, 0bv32)) && 1bv32 == a21) RESULT: Ultimate proved your program to be correct! [2022-01-11 03:36:03,857 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...