/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_LAZY.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label01.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 15:58:30,492 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 15:58:30,493 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 15:58:30,540 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-10 15:58:30,559 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 15:58:30,560 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 15:58:30,560 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 15:58:30,561 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 15:58:30,562 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 15:58:30,562 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 15:58:30,563 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 15:58:30,564 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 15:58:30,565 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 15:58:30,567 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 15:58:30,569 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 15:58:30,570 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 15:58:30,577 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-10 15:58:30,581 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 15:58:30,582 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 15:58:30,582 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 15:58:30,586 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_LAZY.epf [2022-01-10 15:58:30,607 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 15:58:30,607 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 15:58:30,610 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 15:58:30,610 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 15:58:30,611 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 15:58:30,611 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 15:58:30,611 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 15:58:30,611 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 15:58:30,611 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 15:58:30,611 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 15:58:30,612 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 15:58:30,612 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 15:58:30,612 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 15:58:30,612 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 15:58:30,612 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 15:58:30,612 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 15:58:30,613 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 15:58:30,613 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 15:58:30,613 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 15:58:30,613 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 15:58:30,613 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 15:58:30,614 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 15:58:30,614 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 15:58:30,614 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 15:58:30,615 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 15:58:30,615 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-10 15:58:30,615 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-10 15:58:30,615 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 15:58:30,615 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 15:58:30,615 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 15:58:30,615 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-10 15:58:30,615 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 15:58:30,617 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-10 15:58:30,617 INFO L138 SettingsManager]: * TransformationType=BV_TO_INT_LAZY 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 15:58:30,788 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 15:58:30,811 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 15:58:30,813 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 15:58:30,814 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 15:58:30,816 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 15:58:30,817 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label01.c [2022-01-10 15:58:30,870 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19c2c55d1/c1679d98edb34b93a2d35394df511234/FLAG011e88002 [2022-01-10 15:58:31,282 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 15:58:31,283 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label01.c [2022-01-10 15:58:31,295 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19c2c55d1/c1679d98edb34b93a2d35394df511234/FLAG011e88002 [2022-01-10 15:58:31,309 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19c2c55d1/c1679d98edb34b93a2d35394df511234 [2022-01-10 15:58:31,311 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 15:58:31,312 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-10 15:58:31,315 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 15:58:31,315 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 15:58:31,317 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 15:58:31,318 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 03:58:31" (1/1) ... [2022-01-10 15:58:31,319 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e729b10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:58:31, skipping insertion in model container [2022-01-10 15:58:31,335 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 03:58:31" (1/1) ... [2022-01-10 15:58:31,342 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 15:58:31,378 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 15:58:31,583 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/Problem02_label01.c[18261,18274] [2022-01-10 15:58:31,626 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 15:58:31,634 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 15:58:31,721 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/Problem02_label01.c[18261,18274] [2022-01-10 15:58:31,728 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 15:58:31,738 INFO L208 MainTranslator]: Completed translation [2022-01-10 15:58:31,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:58:31 WrapperNode [2022-01-10 15:58:31,738 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 15:58:31,739 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 15:58:31,739 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 15:58:31,740 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 15:58:31,754 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:58:31" (1/1) ... [2022-01-10 15:58:31,771 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:58:31" (1/1) ... [2022-01-10 15:58:31,819 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 666 [2022-01-10 15:58:31,819 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 15:58:31,820 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 15:58:31,820 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 15:58:31,820 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 15:58:31,825 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:58:31" (1/1) ... [2022-01-10 15:58:31,826 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:58:31" (1/1) ... [2022-01-10 15:58:31,829 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:58:31" (1/1) ... [2022-01-10 15:58:31,829 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:58:31" (1/1) ... [2022-01-10 15:58:31,864 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:58:31" (1/1) ... [2022-01-10 15:58:31,870 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:58:31" (1/1) ... [2022-01-10 15:58:31,888 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:58:31" (1/1) ... [2022-01-10 15:58:31,893 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 15:58:31,894 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 15:58:31,894 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 15:58:31,894 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 15:58:31,896 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:58:31" (1/1) ... [2022-01-10 15:58:31,901 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 15:58:31,909 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 15:58:31,923 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) [2022-01-10 15:58:31,939 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 [2022-01-10 15:58:31,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 15:58:31,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 15:58:31,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 15:58:31,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 15:58:32,016 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 15:58:32,017 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 15:58:32,751 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 15:58:32,760 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 15:58:32,761 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-01-10 15:58:32,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 03:58:32 BoogieIcfgContainer [2022-01-10 15:58:32,790 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 15:58:32,790 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-10 15:58:32,791 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-10 15:58:32,792 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-10 15:58:32,794 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 03:58:32" (1/1) ... [2022-01-10 15:58:32,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 03:58:32 BasicIcfg [2022-01-10 15:58:32,958 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-10 15:58:32,959 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 15:58:32,959 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 15:58:32,961 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 15:58:32,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 03:58:31" (1/4) ... [2022-01-10 15:58:32,962 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c5c0449 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 03:58:32, skipping insertion in model container [2022-01-10 15:58:32,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:58:31" (2/4) ... [2022-01-10 15:58:32,962 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c5c0449 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 03:58:32, skipping insertion in model container [2022-01-10 15:58:32,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 03:58:32" (3/4) ... [2022-01-10 15:58:32,963 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c5c0449 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 03:58:32, skipping insertion in model container [2022-01-10 15:58:32,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 03:58:32" (4/4) ... [2022-01-10 15:58:32,963 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label01.cTransformedIcfg [2022-01-10 15:58:32,970 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 15:58:32,971 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 15:58:33,021 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 15:58:33,025 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 [2022-01-10 15:58:33,025 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 15:58:33,039 INFO L276 IsEmpty]: Start isEmpty. Operand has 227 states, 225 states have (on average 1.6666666666666667) internal successors, (375), 226 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:33,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-01-10 15:58:33,053 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:58:33,054 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] [2022-01-10 15:58:33,054 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:58:33,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:58:33,062 INFO L85 PathProgramCache]: Analyzing trace with hash 1957685359, now seen corresponding path program 1 times [2022-01-10 15:58:33,071 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:58:33,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969656940] [2022-01-10 15:58:33,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:58:33,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:58:33,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:58:33,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 15:58:33,478 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:58:33,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969656940] [2022-01-10 15:58:33,479 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1969656940] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:58:33,479 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:58:33,479 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 15:58:33,480 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996446325] [2022-01-10 15:58:33,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:58:33,486 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 15:58:33,486 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:58:33,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 15:58:33,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:58:33,517 INFO L87 Difference]: Start difference. First operand has 227 states, 225 states have (on average 1.6666666666666667) internal successors, (375), 226 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 2 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:34,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:58:34,208 INFO L93 Difference]: Finished difference Result 630 states and 1070 transitions. [2022-01-10 15:58:34,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 15:58:34,210 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 2 states have internal predecessors, (113), 0 states have call successors, (0), 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 113 [2022-01-10 15:58:34,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:58:34,218 INFO L225 Difference]: With dead ends: 630 [2022-01-10 15:58:34,218 INFO L226 Difference]: Without dead ends: 318 [2022-01-10 15:58:34,221 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 [2022-01-10 15:58:34,226 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 117 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 492 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-10 15:58:34,226 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [117 Valid, 119 Invalid, 560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 492 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-10 15:58:34,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2022-01-10 15:58:34,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 318. [2022-01-10 15:58:34,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 317 states have (on average 1.473186119873817) internal successors, (467), 317 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:34,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 467 transitions. [2022-01-10 15:58:34,279 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 467 transitions. Word has length 113 [2022-01-10 15:58:34,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:58:34,280 INFO L470 AbstractCegarLoop]: Abstraction has 318 states and 467 transitions. [2022-01-10 15:58:34,281 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 2 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:34,282 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 467 transitions. [2022-01-10 15:58:34,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-10 15:58:34,288 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:58:34,288 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 15:58:34,288 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-10 15:58:34,289 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:58:34,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:58:34,291 INFO L85 PathProgramCache]: Analyzing trace with hash -783105494, now seen corresponding path program 1 times [2022-01-10 15:58:34,291 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:58:34,291 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715691464] [2022-01-10 15:58:34,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:58:34,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:58:34,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:58:34,452 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 15:58:34,453 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:58:34,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715691464] [2022-01-10 15:58:34,453 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715691464] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:58:34,453 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:58:34,453 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 15:58:34,453 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113141592] [2022-01-10 15:58:34,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:58:34,454 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 15:58:34,454 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:58:34,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 15:58:34,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-10 15:58:34,455 INFO L87 Difference]: Start difference. First operand 318 states and 467 transitions. Second operand has 4 states, 4 states have (on average 29.25) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:35,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:58:35,123 INFO L93 Difference]: Finished difference Result 999 states and 1508 transitions. [2022-01-10 15:58:35,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-10 15:58:35,124 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.25) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 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 117 [2022-01-10 15:58:35,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:58:35,127 INFO L225 Difference]: With dead ends: 999 [2022-01-10 15:58:35,127 INFO L226 Difference]: Without dead ends: 600 [2022-01-10 15:58:35,128 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 [2022-01-10 15:58:35,129 INFO L933 BasicCegarLoop]: 80 mSDtfsCounter, 172 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 664 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 799 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 664 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-10 15:58:35,130 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [172 Valid, 114 Invalid, 799 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [135 Valid, 664 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-10 15:58:35,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2022-01-10 15:58:35,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 600. [2022-01-10 15:58:35,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 600 states, 599 states have (on average 1.357262103505843) internal successors, (813), 599 states have internal predecessors, (813), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:35,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 813 transitions. [2022-01-10 15:58:35,143 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 813 transitions. Word has length 117 [2022-01-10 15:58:35,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:58:35,143 INFO L470 AbstractCegarLoop]: Abstraction has 600 states and 813 transitions. [2022-01-10 15:58:35,143 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.25) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:35,143 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 813 transitions. [2022-01-10 15:58:35,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-01-10 15:58:35,144 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:58:35,144 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 15:58:35,145 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-10 15:58:35,145 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:58:35,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:58:35,145 INFO L85 PathProgramCache]: Analyzing trace with hash 896674811, now seen corresponding path program 1 times [2022-01-10 15:58:35,145 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:58:35,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403046540] [2022-01-10 15:58:35,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:58:35,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:58:35,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:58:35,213 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 15:58:35,213 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:58:35,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403046540] [2022-01-10 15:58:35,213 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403046540] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:58:35,214 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:58:35,214 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 15:58:35,214 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791576473] [2022-01-10 15:58:35,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:58:35,214 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 15:58:35,214 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:58:35,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 15:58:35,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:58:35,215 INFO L87 Difference]: Start difference. First operand 600 states and 813 transitions. Second operand has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 2 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:35,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:58:35,702 INFO L93 Difference]: Finished difference Result 1764 states and 2394 transitions. [2022-01-10 15:58:35,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 15:58:35,704 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 2 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2022-01-10 15:58:35,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:58:35,707 INFO L225 Difference]: With dead ends: 1764 [2022-01-10 15:58:35,707 INFO L226 Difference]: Without dead ends: 1166 [2022-01-10 15:58:35,711 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 [2022-01-10 15:58:35,714 INFO L933 BasicCegarLoop]: 112 mSDtfsCounter, 130 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-10 15:58:35,715 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [130 Valid, 130 Invalid, 446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 369 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-10 15:58:35,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1166 states. [2022-01-10 15:58:35,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1166 to 1164. [2022-01-10 15:58:35,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1164 states, 1163 states have (on average 1.2141014617368873) internal successors, (1412), 1163 states have internal predecessors, (1412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:35,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1164 states to 1164 states and 1412 transitions. [2022-01-10 15:58:35,738 INFO L78 Accepts]: Start accepts. Automaton has 1164 states and 1412 transitions. Word has length 131 [2022-01-10 15:58:35,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:58:35,739 INFO L470 AbstractCegarLoop]: Abstraction has 1164 states and 1412 transitions. [2022-01-10 15:58:35,739 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 2 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:35,739 INFO L276 IsEmpty]: Start isEmpty. Operand 1164 states and 1412 transitions. [2022-01-10 15:58:35,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-01-10 15:58:35,741 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:58:35,741 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 15:58:35,742 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-10 15:58:35,742 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:58:35,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:58:35,743 INFO L85 PathProgramCache]: Analyzing trace with hash 1436859002, now seen corresponding path program 1 times [2022-01-10 15:58:35,743 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:58:35,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224084255] [2022-01-10 15:58:35,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:58:35,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:58:35,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:58:35,821 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 15:58:35,822 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:58:35,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224084255] [2022-01-10 15:58:35,823 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224084255] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:58:35,823 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:58:35,823 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 15:58:35,823 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821879907] [2022-01-10 15:58:35,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:58:35,824 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 15:58:35,824 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:58:35,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 15:58:35,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:58:35,825 INFO L87 Difference]: Start difference. First operand 1164 states and 1412 transitions. Second operand has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:36,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:58:36,249 INFO L93 Difference]: Finished difference Result 2890 states and 3590 transitions. [2022-01-10 15:58:36,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 15:58:36,251 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 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 136 [2022-01-10 15:58:36,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:58:36,256 INFO L225 Difference]: With dead ends: 2890 [2022-01-10 15:58:36,256 INFO L226 Difference]: Without dead ends: 1728 [2022-01-10 15:58:36,257 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 [2022-01-10 15:58:36,258 INFO L933 BasicCegarLoop]: 46 mSDtfsCounter, 167 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 349 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-10 15:58:36,258 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [167 Valid, 53 Invalid, 469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 349 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-10 15:58:36,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1728 states. [2022-01-10 15:58:36,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1728 to 1724. [2022-01-10 15:58:36,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1724 states, 1723 states have (on average 1.2373766686012768) internal successors, (2132), 1723 states have internal predecessors, (2132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:36,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1724 states to 1724 states and 2132 transitions. [2022-01-10 15:58:36,307 INFO L78 Accepts]: Start accepts. Automaton has 1724 states and 2132 transitions. Word has length 136 [2022-01-10 15:58:36,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:58:36,308 INFO L470 AbstractCegarLoop]: Abstraction has 1724 states and 2132 transitions. [2022-01-10 15:58:36,308 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:36,308 INFO L276 IsEmpty]: Start isEmpty. Operand 1724 states and 2132 transitions. [2022-01-10 15:58:36,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-01-10 15:58:36,310 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:58:36,310 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 15:58:36,310 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-10 15:58:36,310 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:58:36,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:58:36,311 INFO L85 PathProgramCache]: Analyzing trace with hash -813940482, now seen corresponding path program 1 times [2022-01-10 15:58:36,311 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:58:36,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103894797] [2022-01-10 15:58:36,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:58:36,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:58:36,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:58:36,401 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-01-10 15:58:36,401 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:58:36,401 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103894797] [2022-01-10 15:58:36,401 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103894797] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:58:36,401 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:58:36,401 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 15:58:36,401 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058676664] [2022-01-10 15:58:36,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:58:36,402 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 15:58:36,402 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:58:36,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 15:58:36,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:58:36,402 INFO L87 Difference]: Start difference. First operand 1724 states and 2132 transitions. Second operand has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:36,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:58:36,810 INFO L93 Difference]: Finished difference Result 4011 states and 4987 transitions. [2022-01-10 15:58:36,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 15:58:36,811 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 0 states have call successors, (0), 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 140 [2022-01-10 15:58:36,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:58:36,816 INFO L225 Difference]: With dead ends: 4011 [2022-01-10 15:58:36,817 INFO L226 Difference]: Without dead ends: 2009 [2022-01-10 15:58:36,820 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 [2022-01-10 15:58:36,820 INFO L933 BasicCegarLoop]: 230 mSDtfsCounter, 51 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 352 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-10 15:58:36,821 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [51 Valid, 248 Invalid, 435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 352 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-10 15:58:36,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2009 states. [2022-01-10 15:58:36,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2009 to 2009. [2022-01-10 15:58:36,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2009 states, 2008 states have (on average 1.1100597609561753) internal successors, (2229), 2008 states have internal predecessors, (2229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:36,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2009 states to 2009 states and 2229 transitions. [2022-01-10 15:58:36,848 INFO L78 Accepts]: Start accepts. Automaton has 2009 states and 2229 transitions. Word has length 140 [2022-01-10 15:58:36,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:58:36,848 INFO L470 AbstractCegarLoop]: Abstraction has 2009 states and 2229 transitions. [2022-01-10 15:58:36,848 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:36,849 INFO L276 IsEmpty]: Start isEmpty. Operand 2009 states and 2229 transitions. [2022-01-10 15:58:36,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-01-10 15:58:36,851 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:58:36,851 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 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] [2022-01-10 15:58:36,852 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-10 15:58:36,852 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:58:36,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:58:36,852 INFO L85 PathProgramCache]: Analyzing trace with hash -412484090, now seen corresponding path program 1 times [2022-01-10 15:58:36,852 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:58:36,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670536310] [2022-01-10 15:58:36,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:58:36,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:58:36,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:58:36,938 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-01-10 15:58:36,939 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:58:36,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670536310] [2022-01-10 15:58:36,939 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670536310] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:58:36,939 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:58:36,939 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 15:58:36,939 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502891636] [2022-01-10 15:58:36,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:58:36,940 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 15:58:36,940 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:58:36,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 15:58:36,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:58:36,940 INFO L87 Difference]: Start difference. First operand 2009 states and 2229 transitions. Second operand has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:37,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:58:37,302 INFO L93 Difference]: Finished difference Result 4856 states and 5427 transitions. [2022-01-10 15:58:37,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 15:58:37,303 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 0 states have call successors, (0), 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 156 [2022-01-10 15:58:37,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:58:37,307 INFO L225 Difference]: With dead ends: 4856 [2022-01-10 15:58:37,307 INFO L226 Difference]: Without dead ends: 2002 [2022-01-10 15:58:37,310 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 [2022-01-10 15:58:37,310 INFO L933 BasicCegarLoop]: 235 mSDtfsCounter, 131 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 325 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-10 15:58:37,310 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [131 Valid, 258 Invalid, 395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 325 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-10 15:58:37,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2002 states. [2022-01-10 15:58:37,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2002 to 2002. [2022-01-10 15:58:37,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2002 states, 2001 states have (on average 1.088455772113943) internal successors, (2178), 2001 states have internal predecessors, (2178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:37,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2002 states to 2002 states and 2178 transitions. [2022-01-10 15:58:37,331 INFO L78 Accepts]: Start accepts. Automaton has 2002 states and 2178 transitions. Word has length 156 [2022-01-10 15:58:37,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:58:37,331 INFO L470 AbstractCegarLoop]: Abstraction has 2002 states and 2178 transitions. [2022-01-10 15:58:37,331 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:37,331 INFO L276 IsEmpty]: Start isEmpty. Operand 2002 states and 2178 transitions. [2022-01-10 15:58:37,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-10 15:58:37,334 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:58:37,334 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 15:58:37,334 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-10 15:58:37,334 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:58:37,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:58:37,335 INFO L85 PathProgramCache]: Analyzing trace with hash -1263449560, now seen corresponding path program 1 times [2022-01-10 15:58:37,335 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:58:37,335 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399741943] [2022-01-10 15:58:37,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:58:37,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:58:37,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:58:37,388 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-01-10 15:58:37,388 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:58:37,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399741943] [2022-01-10 15:58:37,389 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399741943] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:58:37,389 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:58:37,389 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 15:58:37,389 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136450887] [2022-01-10 15:58:37,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:58:37,389 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 15:58:37,389 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:58:37,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 15:58:37,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:58:37,390 INFO L87 Difference]: Start difference. First operand 2002 states and 2178 transitions. Second operand has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:37,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:58:37,760 INFO L93 Difference]: Finished difference Result 5270 states and 5759 transitions. [2022-01-10 15:58:37,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 15:58:37,760 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 0 states have call successors, (0), 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 163 [2022-01-10 15:58:37,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:58:37,767 INFO L225 Difference]: With dead ends: 5270 [2022-01-10 15:58:37,767 INFO L226 Difference]: Without dead ends: 2990 [2022-01-10 15:58:37,769 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 [2022-01-10 15:58:37,770 INFO L933 BasicCegarLoop]: 215 mSDtfsCounter, 142 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 317 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-10 15:58:37,770 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [142 Valid, 237 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 317 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-10 15:58:37,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2990 states. [2022-01-10 15:58:37,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2990 to 2701. [2022-01-10 15:58:37,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2701 states, 2700 states have (on average 1.082962962962963) internal successors, (2924), 2700 states have internal predecessors, (2924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:37,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2701 states to 2701 states and 2924 transitions. [2022-01-10 15:58:37,810 INFO L78 Accepts]: Start accepts. Automaton has 2701 states and 2924 transitions. Word has length 163 [2022-01-10 15:58:37,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:58:37,810 INFO L470 AbstractCegarLoop]: Abstraction has 2701 states and 2924 transitions. [2022-01-10 15:58:37,810 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:37,810 INFO L276 IsEmpty]: Start isEmpty. Operand 2701 states and 2924 transitions. [2022-01-10 15:58:37,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2022-01-10 15:58:37,814 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:58:37,814 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-01-10 15:58:37,814 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-10 15:58:37,814 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:58:37,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:58:37,815 INFO L85 PathProgramCache]: Analyzing trace with hash 415060719, now seen corresponding path program 1 times [2022-01-10 15:58:37,815 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:58:37,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689843655] [2022-01-10 15:58:37,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:58:37,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:58:37,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:58:37,988 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-01-10 15:58:37,989 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:58:37,989 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689843655] [2022-01-10 15:58:37,989 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1689843655] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:58:37,989 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:58:37,989 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 15:58:37,989 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545509815] [2022-01-10 15:58:37,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:58:37,989 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 15:58:37,989 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:58:37,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 15:58:37,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-10 15:58:37,990 INFO L87 Difference]: Start difference. First operand 2701 states and 2924 transitions. Second operand has 4 states, 4 states have (on average 45.75) internal successors, (183), 3 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:38,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:58:38,321 INFO L93 Difference]: Finished difference Result 2927 states and 3150 transitions. [2022-01-10 15:58:38,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-10 15:58:38,322 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 45.75) internal successors, (183), 3 states have internal predecessors, (183), 0 states have call successors, (0), 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 211 [2022-01-10 15:58:38,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:58:38,329 INFO L225 Difference]: With dead ends: 2927 [2022-01-10 15:58:38,329 INFO L226 Difference]: Without dead ends: 2701 [2022-01-10 15:58:38,330 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 [2022-01-10 15:58:38,331 INFO L933 BasicCegarLoop]: 34 mSDtfsCounter, 143 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 459 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 459 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-10 15:58:38,332 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [143 Valid, 49 Invalid, 459 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 459 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-10 15:58:38,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2701 states. [2022-01-10 15:58:38,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2701 to 2701. [2022-01-10 15:58:38,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2701 states, 2700 states have (on average 1.08) internal successors, (2916), 2700 states have internal predecessors, (2916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:38,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2701 states to 2701 states and 2916 transitions. [2022-01-10 15:58:38,376 INFO L78 Accepts]: Start accepts. Automaton has 2701 states and 2916 transitions. Word has length 211 [2022-01-10 15:58:38,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:58:38,376 INFO L470 AbstractCegarLoop]: Abstraction has 2701 states and 2916 transitions. [2022-01-10 15:58:38,376 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 45.75) internal successors, (183), 3 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:38,376 INFO L276 IsEmpty]: Start isEmpty. Operand 2701 states and 2916 transitions. [2022-01-10 15:58:38,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2022-01-10 15:58:38,380 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:58:38,380 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-01-10 15:58:38,381 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-01-10 15:58:38,381 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:58:38,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:58:38,381 INFO L85 PathProgramCache]: Analyzing trace with hash 1513278274, now seen corresponding path program 1 times [2022-01-10 15:58:38,381 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:58:38,381 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104829634] [2022-01-10 15:58:38,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:58:38,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:58:38,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:58:38,460 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2022-01-10 15:58:38,460 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:58:38,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104829634] [2022-01-10 15:58:38,461 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1104829634] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:58:38,461 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:58:38,461 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 15:58:38,461 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909880412] [2022-01-10 15:58:38,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:58:38,461 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 15:58:38,461 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:58:38,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 15:58:38,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:58:38,462 INFO L87 Difference]: Start difference. First operand 2701 states and 2916 transitions. Second operand has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:38,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:58:38,815 INFO L93 Difference]: Finished difference Result 6242 states and 6778 transitions. [2022-01-10 15:58:38,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 15:58:38,816 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 0 states have call successors, (0), 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 218 [2022-01-10 15:58:38,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:58:38,823 INFO L225 Difference]: With dead ends: 6242 [2022-01-10 15:58:38,823 INFO L226 Difference]: Without dead ends: 3258 [2022-01-10 15:58:38,825 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 [2022-01-10 15:58:38,826 INFO L933 BasicCegarLoop]: 192 mSDtfsCounter, 134 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 328 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-10 15:58:38,826 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [134 Valid, 205 Invalid, 377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 328 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-10 15:58:38,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3258 states. [2022-01-10 15:58:38,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3258 to 3257. [2022-01-10 15:58:38,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3257 states, 3256 states have (on average 1.0737100737100738) internal successors, (3496), 3256 states have internal predecessors, (3496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:38,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3257 states to 3257 states and 3496 transitions. [2022-01-10 15:58:38,863 INFO L78 Accepts]: Start accepts. Automaton has 3257 states and 3496 transitions. Word has length 218 [2022-01-10 15:58:38,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:58:38,864 INFO L470 AbstractCegarLoop]: Abstraction has 3257 states and 3496 transitions. [2022-01-10 15:58:38,864 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:38,864 INFO L276 IsEmpty]: Start isEmpty. Operand 3257 states and 3496 transitions. [2022-01-10 15:58:38,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2022-01-10 15:58:38,868 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:58:38,868 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 15:58:38,868 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-01-10 15:58:38,868 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:58:38,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:58:38,869 INFO L85 PathProgramCache]: Analyzing trace with hash 489786946, now seen corresponding path program 1 times [2022-01-10 15:58:38,869 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:58:38,869 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368742961] [2022-01-10 15:58:38,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:58:38,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:58:38,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:58:38,966 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 190 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2022-01-10 15:58:38,966 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:58:38,966 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368742961] [2022-01-10 15:58:38,966 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368742961] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:58:38,966 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:58:38,966 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 15:58:38,967 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262057722] [2022-01-10 15:58:38,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:58:38,967 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 15:58:38,967 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:58:38,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 15:58:38,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:58:38,968 INFO L87 Difference]: Start difference. First operand 3257 states and 3496 transitions. Second operand has 3 states, 3 states have (on average 61.333333333333336) internal successors, (184), 3 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:39,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:58:39,393 INFO L93 Difference]: Finished difference Result 7073 states and 7591 transitions. [2022-01-10 15:58:39,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 15:58:39,395 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 61.333333333333336) internal successors, (184), 3 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 241 [2022-01-10 15:58:39,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:58:39,405 INFO L225 Difference]: With dead ends: 7073 [2022-01-10 15:58:39,406 INFO L226 Difference]: Without dead ends: 3536 [2022-01-10 15:58:39,409 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 [2022-01-10 15:58:39,409 INFO L933 BasicCegarLoop]: 55 mSDtfsCounter, 160 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 317 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-10 15:58:39,410 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [160 Valid, 67 Invalid, 359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 317 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-10 15:58:39,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3536 states. [2022-01-10 15:58:39,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3536 to 3396. [2022-01-10 15:58:39,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3396 states, 3395 states have (on average 1.0665684830633284) internal successors, (3621), 3395 states have internal predecessors, (3621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:39,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3396 states to 3396 states and 3621 transitions. [2022-01-10 15:58:39,451 INFO L78 Accepts]: Start accepts. Automaton has 3396 states and 3621 transitions. Word has length 241 [2022-01-10 15:58:39,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:58:39,451 INFO L470 AbstractCegarLoop]: Abstraction has 3396 states and 3621 transitions. [2022-01-10 15:58:39,451 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.333333333333336) internal successors, (184), 3 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:39,452 INFO L276 IsEmpty]: Start isEmpty. Operand 3396 states and 3621 transitions. [2022-01-10 15:58:39,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2022-01-10 15:58:39,455 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:58:39,456 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 15:58:39,456 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-01-10 15:58:39,456 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:58:39,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:58:39,456 INFO L85 PathProgramCache]: Analyzing trace with hash 1799474531, now seen corresponding path program 1 times [2022-01-10 15:58:39,456 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:58:39,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285951218] [2022-01-10 15:58:39,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:58:39,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:58:39,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:58:39,541 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 197 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-01-10 15:58:39,541 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:58:39,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285951218] [2022-01-10 15:58:39,542 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285951218] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:58:39,542 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:58:39,542 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 15:58:39,542 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077321452] [2022-01-10 15:58:39,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:58:39,542 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 15:58:39,542 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:58:39,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 15:58:39,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:58:39,543 INFO L87 Difference]: Start difference. First operand 3396 states and 3621 transitions. Second operand has 3 states, 3 states have (on average 75.0) internal successors, (225), 3 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:39,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:58:39,880 INFO L93 Difference]: Finished difference Result 7354 states and 7850 transitions. [2022-01-10 15:58:39,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 15:58:39,880 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 75.0) internal successors, (225), 3 states have internal predecessors, (225), 0 states have call successors, (0), 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 245 [2022-01-10 15:58:39,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:58:39,889 INFO L225 Difference]: With dead ends: 7354 [2022-01-10 15:58:39,890 INFO L226 Difference]: Without dead ends: 3960 [2022-01-10 15:58:39,916 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 [2022-01-10 15:58:39,917 INFO L933 BasicCegarLoop]: 212 mSDtfsCounter, 113 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 346 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-10 15:58:39,917 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [113 Valid, 225 Invalid, 360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 346 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-10 15:58:39,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3960 states. [2022-01-10 15:58:39,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3960 to 3820. [2022-01-10 15:58:39,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3820 states, 3819 states have (on average 1.0649384655669023) internal successors, (4067), 3819 states have internal predecessors, (4067), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:39,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3820 states to 3820 states and 4067 transitions. [2022-01-10 15:58:39,965 INFO L78 Accepts]: Start accepts. Automaton has 3820 states and 4067 transitions. Word has length 245 [2022-01-10 15:58:39,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:58:39,966 INFO L470 AbstractCegarLoop]: Abstraction has 3820 states and 4067 transitions. [2022-01-10 15:58:39,966 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 75.0) internal successors, (225), 3 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:39,966 INFO L276 IsEmpty]: Start isEmpty. Operand 3820 states and 4067 transitions. [2022-01-10 15:58:39,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2022-01-10 15:58:39,971 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:58:39,971 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 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] [2022-01-10 15:58:39,971 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-01-10 15:58:39,971 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:58:39,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:58:39,972 INFO L85 PathProgramCache]: Analyzing trace with hash -293986536, now seen corresponding path program 1 times [2022-01-10 15:58:39,972 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:58:39,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591267314] [2022-01-10 15:58:39,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:58:39,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:58:40,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:58:40,089 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2022-01-10 15:58:40,090 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:58:40,090 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591267314] [2022-01-10 15:58:40,090 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591267314] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:58:40,090 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:58:40,090 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 15:58:40,090 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23027009] [2022-01-10 15:58:40,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:58:40,091 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 15:58:40,091 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:58:40,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 15:58:40,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:58:40,091 INFO L87 Difference]: Start difference. First operand 3820 states and 4067 transitions. Second operand has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:40,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:58:40,419 INFO L93 Difference]: Finished difference Result 5797 states and 6138 transitions. [2022-01-10 15:58:40,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 15:58:40,419 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 0 states have call successors, (0), 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 260 [2022-01-10 15:58:40,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:58:40,420 INFO L225 Difference]: With dead ends: 5797 [2022-01-10 15:58:40,420 INFO L226 Difference]: Without dead ends: 0 [2022-01-10 15:58:40,423 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 [2022-01-10 15:58:40,424 INFO L933 BasicCegarLoop]: 187 mSDtfsCounter, 128 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 305 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-10 15:58:40,424 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [128 Valid, 201 Invalid, 319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 305 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-10 15:58:40,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-10 15:58:40,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-10 15:58:40,425 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) [2022-01-10 15:58:40,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-10 15:58:40,425 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 260 [2022-01-10 15:58:40,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:58:40,425 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-10 15:58:40,425 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:40,425 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-10 15:58:40,425 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-10 15:58:40,427 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 15:58:40,427 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-01-10 15:58:40,429 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-10 15:58:40,887 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-10 15:58:40,887 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-10 15:58:40,887 INFO L854 garLoopResultBuilder]: At program point L616-2(lines 616 626) the Hoare annotation is: (let ((.cse0 (<= 9 ~a28~0Int)) (.cse5 (<= ~a25~0Int 0)) (.cse9 (= ~a11~0Int 0)) (.cse6 (<= ~a28~0Int 10)) (.cse2 (<= ~a17~0Int 7)) (.cse8 (<= 10 ~a28~0Int)) (.cse11 (<= ~a28~0Int 7)) (.cse3 (= ~a11~0Int 1)) (.cse1 (= ~a21~0Int 1)) (.cse4 (= ~a17~0Int 8)) (.cse10 (= ~a25~0Int 1)) (.cse7 (= ~a19~0Int 1))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse0 .cse1 .cse4 .cse5 .cse6 .cse7) (and .cse1 .cse8 .cse4 .cse6 .cse7) (and .cse9 .cse2) (and .cse1 .cse8 .cse6 .cse10 .cse7) (and .cse3 .cse1 .cse11) (and .cse1 .cse9 .cse5) (and .cse1 .cse9 .cse6) (and .cse8 .cse2) (and .cse2 .cse11) (and .cse1 .cse8 .cse4 .cse10 .cse7) (and .cse1 .cse4 .cse11 .cse10 .cse7) (and .cse3 (= 9 ~a28~0Int) .cse1 .cse4 .cse10 .cse7))) [2022-01-10 15:58:40,887 INFO L861 garLoopResultBuilder]: At program point L610(lines 610 627) the Hoare annotation is: true [2022-01-10 15:58:40,887 INFO L858 garLoopResultBuilder]: For program point L621(line 621) no Hoare annotation was computed. [2022-01-10 15:58:40,887 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-10 15:58:40,887 INFO L858 garLoopResultBuilder]: For program point L40(lines 40 423) no Hoare annotation was computed. [2022-01-10 15:58:40,888 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-10 15:58:40,888 INFO L854 garLoopResultBuilder]: At program point L607(lines 39 608) the Hoare annotation is: (let ((.cse0 (<= 9 ~a28~0Int)) (.cse5 (<= ~a25~0Int 0)) (.cse9 (= ~a11~0Int 0)) (.cse6 (<= ~a28~0Int 10)) (.cse2 (<= ~a17~0Int 7)) (.cse8 (<= 10 ~a28~0Int)) (.cse11 (<= ~a28~0Int 7)) (.cse3 (= ~a11~0Int 1)) (.cse1 (= ~a21~0Int 1)) (.cse4 (= ~a17~0Int 8)) (.cse10 (= ~a25~0Int 1)) (.cse7 (= ~a19~0Int 1))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse0 .cse1 .cse4 .cse5 .cse6 .cse7) (and .cse1 .cse8 .cse4 .cse6 .cse7) (and .cse9 .cse2) (and .cse1 .cse8 .cse6 .cse10 .cse7) (and .cse3 .cse1 .cse11) (and .cse1 .cse9 .cse5) (and .cse1 .cse9 .cse6) (and .cse8 .cse2) (and .cse2 .cse11) (and .cse1 .cse8 .cse4 .cse10 .cse7) (and .cse1 .cse4 .cse11 .cse10 .cse7) (and .cse3 (= 9 ~a28~0Int) .cse1 .cse4 .cse10 .cse7))) [2022-01-10 15:58:40,888 INFO L858 garLoopResultBuilder]: For program point L45(lines 45 423) no Hoare annotation was computed. [2022-01-10 15:58:40,888 INFO L858 garLoopResultBuilder]: For program point L48(lines 48 423) no Hoare annotation was computed. [2022-01-10 15:58:40,888 INFO L858 garLoopResultBuilder]: For program point L52(lines 52 423) no Hoare annotation was computed. [2022-01-10 15:58:40,888 INFO L858 garLoopResultBuilder]: For program point L57(lines 57 423) no Hoare annotation was computed. [2022-01-10 15:58:40,888 INFO L858 garLoopResultBuilder]: For program point L60(lines 60 423) no Hoare annotation was computed. [2022-01-10 15:58:40,888 INFO L858 garLoopResultBuilder]: For program point L64(lines 64 423) no Hoare annotation was computed. [2022-01-10 15:58:40,888 INFO L858 garLoopResultBuilder]: For program point L69(lines 69 423) no Hoare annotation was computed. [2022-01-10 15:58:40,888 INFO L858 garLoopResultBuilder]: For program point L75(lines 75 423) no Hoare annotation was computed. [2022-01-10 15:58:40,888 INFO L858 garLoopResultBuilder]: For program point L79(lines 79 423) no Hoare annotation was computed. [2022-01-10 15:58:40,888 INFO L858 garLoopResultBuilder]: For program point L84(lines 84 423) no Hoare annotation was computed. [2022-01-10 15:58:40,888 INFO L858 garLoopResultBuilder]: For program point L85(lines 85 90) no Hoare annotation was computed. [2022-01-10 15:58:40,888 INFO L858 garLoopResultBuilder]: For program point L92(lines 92 423) no Hoare annotation was computed. [2022-01-10 15:58:40,888 INFO L858 garLoopResultBuilder]: For program point L85-2(lines 85 90) no Hoare annotation was computed. [2022-01-10 15:58:40,888 INFO L858 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2022-01-10 15:58:40,888 INFO L858 garLoopResultBuilder]: For program point L101(lines 101 423) no Hoare annotation was computed. [2022-01-10 15:58:40,888 INFO L858 garLoopResultBuilder]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2022-01-10 15:58:40,888 INFO L858 garLoopResultBuilder]: For program point L105(lines 105 423) no Hoare annotation was computed. [2022-01-10 15:58:40,888 INFO L858 garLoopResultBuilder]: For program point L109(lines 109 423) no Hoare annotation was computed. [2022-01-10 15:58:40,889 INFO L858 garLoopResultBuilder]: For program point L116(lines 116 423) no Hoare annotation was computed. [2022-01-10 15:58:40,889 INFO L858 garLoopResultBuilder]: For program point L123(lines 123 423) no Hoare annotation was computed. [2022-01-10 15:58:40,889 INFO L858 garLoopResultBuilder]: For program point L129(lines 129 423) no Hoare annotation was computed. [2022-01-10 15:58:40,889 INFO L858 garLoopResultBuilder]: For program point L133(lines 133 423) no Hoare annotation was computed. [2022-01-10 15:58:40,889 INFO L858 garLoopResultBuilder]: For program point L140(lines 140 423) no Hoare annotation was computed. [2022-01-10 15:58:40,889 INFO L858 garLoopResultBuilder]: For program point L144(lines 144 423) no Hoare annotation was computed. [2022-01-10 15:58:40,889 INFO L858 garLoopResultBuilder]: For program point L149(lines 149 423) no Hoare annotation was computed. [2022-01-10 15:58:40,889 INFO L858 garLoopResultBuilder]: For program point L153(lines 153 423) no Hoare annotation was computed. [2022-01-10 15:58:40,889 INFO L858 garLoopResultBuilder]: For program point L158(lines 158 423) no Hoare annotation was computed. [2022-01-10 15:58:40,889 INFO L858 garLoopResultBuilder]: For program point L164(lines 164 423) no Hoare annotation was computed. [2022-01-10 15:58:40,889 INFO L858 garLoopResultBuilder]: For program point L169(lines 169 423) no Hoare annotation was computed. [2022-01-10 15:58:40,889 INFO L858 garLoopResultBuilder]: For program point L175(lines 175 423) no Hoare annotation was computed. [2022-01-10 15:58:40,889 INFO L858 garLoopResultBuilder]: For program point L179(lines 179 423) no Hoare annotation was computed. [2022-01-10 15:58:40,889 INFO L858 garLoopResultBuilder]: For program point L185(lines 185 423) no Hoare annotation was computed. [2022-01-10 15:58:40,889 INFO L858 garLoopResultBuilder]: For program point L189(lines 189 423) no Hoare annotation was computed. [2022-01-10 15:58:40,889 INFO L858 garLoopResultBuilder]: For program point L195(lines 195 423) no Hoare annotation was computed. [2022-01-10 15:58:40,889 INFO L858 garLoopResultBuilder]: For program point L197(lines 197 423) no Hoare annotation was computed. [2022-01-10 15:58:40,889 INFO L858 garLoopResultBuilder]: For program point L199(lines 199 423) no Hoare annotation was computed. [2022-01-10 15:58:40,889 INFO L858 garLoopResultBuilder]: For program point L201(lines 201 423) no Hoare annotation was computed. [2022-01-10 15:58:40,889 INFO L858 garLoopResultBuilder]: For program point L204(lines 204 423) no Hoare annotation was computed. [2022-01-10 15:58:40,889 INFO L858 garLoopResultBuilder]: For program point L208(lines 208 423) no Hoare annotation was computed. [2022-01-10 15:58:40,889 INFO L858 garLoopResultBuilder]: For program point L212(lines 212 423) no Hoare annotation was computed. [2022-01-10 15:58:40,889 INFO L858 garLoopResultBuilder]: For program point L213(lines 213 220) no Hoare annotation was computed. [2022-01-10 15:58:40,890 INFO L858 garLoopResultBuilder]: For program point L222(lines 222 423) no Hoare annotation was computed. [2022-01-10 15:58:40,890 INFO L858 garLoopResultBuilder]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2022-01-10 15:58:40,890 INFO L858 garLoopResultBuilder]: For program point L225(lines 225 423) no Hoare annotation was computed. [2022-01-10 15:58:40,890 INFO L858 garLoopResultBuilder]: For program point L228(lines 228 423) no Hoare annotation was computed. [2022-01-10 15:58:40,890 INFO L858 garLoopResultBuilder]: For program point L233(lines 233 423) no Hoare annotation was computed. [2022-01-10 15:58:40,890 INFO L858 garLoopResultBuilder]: For program point L235(lines 235 423) no Hoare annotation was computed. [2022-01-10 15:58:40,890 INFO L858 garLoopResultBuilder]: For program point L242(lines 242 423) no Hoare annotation was computed. [2022-01-10 15:58:40,890 INFO L858 garLoopResultBuilder]: For program point L244(lines 244 423) no Hoare annotation was computed. [2022-01-10 15:58:40,890 INFO L858 garLoopResultBuilder]: For program point L247(lines 247 423) no Hoare annotation was computed. [2022-01-10 15:58:40,890 INFO L858 garLoopResultBuilder]: For program point L248(lines 248 256) no Hoare annotation was computed. [2022-01-10 15:58:40,890 INFO L858 garLoopResultBuilder]: For program point L258(lines 258 423) no Hoare annotation was computed. [2022-01-10 15:58:40,890 INFO L858 garLoopResultBuilder]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2022-01-10 15:58:40,890 INFO L858 garLoopResultBuilder]: For program point L263(lines 263 423) no Hoare annotation was computed. [2022-01-10 15:58:40,890 INFO L858 garLoopResultBuilder]: For program point L269(lines 269 423) no Hoare annotation was computed. [2022-01-10 15:58:40,890 INFO L858 garLoopResultBuilder]: For program point L271(lines 271 423) no Hoare annotation was computed. [2022-01-10 15:58:40,890 INFO L858 garLoopResultBuilder]: For program point L272(lines 272 284) no Hoare annotation was computed. [2022-01-10 15:58:40,890 INFO L858 garLoopResultBuilder]: For program point L286(lines 286 423) no Hoare annotation was computed. [2022-01-10 15:58:40,890 INFO L858 garLoopResultBuilder]: For program point L272-2(lines 272 284) no Hoare annotation was computed. [2022-01-10 15:58:40,890 INFO L858 garLoopResultBuilder]: For program point L290(lines 290 423) no Hoare annotation was computed. [2022-01-10 15:58:40,890 INFO L858 garLoopResultBuilder]: For program point L293(lines 293 423) no Hoare annotation was computed. [2022-01-10 15:58:40,890 INFO L858 garLoopResultBuilder]: For program point L296(lines 296 423) no Hoare annotation was computed. [2022-01-10 15:58:40,890 INFO L858 garLoopResultBuilder]: For program point L301(lines 301 423) no Hoare annotation was computed. [2022-01-10 15:58:40,891 INFO L858 garLoopResultBuilder]: For program point L303(lines 303 423) no Hoare annotation was computed. [2022-01-10 15:58:40,891 INFO L858 garLoopResultBuilder]: For program point L307(lines 307 423) no Hoare annotation was computed. [2022-01-10 15:58:40,891 INFO L858 garLoopResultBuilder]: For program point L308(lines 308 317) no Hoare annotation was computed. [2022-01-10 15:58:40,891 INFO L858 garLoopResultBuilder]: For program point L319(lines 319 423) no Hoare annotation was computed. [2022-01-10 15:58:40,891 INFO L858 garLoopResultBuilder]: For program point L308-2(lines 308 317) no Hoare annotation was computed. [2022-01-10 15:58:40,891 INFO L858 garLoopResultBuilder]: For program point L324(lines 324 423) no Hoare annotation was computed. [2022-01-10 15:58:40,891 INFO L858 garLoopResultBuilder]: For program point L325(lines 325 336) no Hoare annotation was computed. [2022-01-10 15:58:40,891 INFO L858 garLoopResultBuilder]: For program point L338(lines 338 423) no Hoare annotation was computed. [2022-01-10 15:58:40,891 INFO L858 garLoopResultBuilder]: For program point L325-2(lines 325 336) no Hoare annotation was computed. [2022-01-10 15:58:40,891 INFO L858 garLoopResultBuilder]: For program point L341(lines 341 423) no Hoare annotation was computed. [2022-01-10 15:58:40,891 INFO L858 garLoopResultBuilder]: For program point L342(lines 342 345) no Hoare annotation was computed. [2022-01-10 15:58:40,891 INFO L858 garLoopResultBuilder]: For program point L347(lines 347 423) no Hoare annotation was computed. [2022-01-10 15:58:40,891 INFO L858 garLoopResultBuilder]: For program point L342-2(lines 342 345) no Hoare annotation was computed. [2022-01-10 15:58:40,891 INFO L858 garLoopResultBuilder]: For program point L348(lines 348 357) no Hoare annotation was computed. [2022-01-10 15:58:40,891 INFO L858 garLoopResultBuilder]: For program point L359(lines 359 423) no Hoare annotation was computed. [2022-01-10 15:58:40,891 INFO L858 garLoopResultBuilder]: For program point L348-2(lines 348 357) no Hoare annotation was computed. [2022-01-10 15:58:40,891 INFO L858 garLoopResultBuilder]: For program point L364(lines 364 423) no Hoare annotation was computed. [2022-01-10 15:58:40,891 INFO L858 garLoopResultBuilder]: For program point L371(lines 371 423) no Hoare annotation was computed. [2022-01-10 15:58:40,891 INFO L858 garLoopResultBuilder]: For program point L378(lines 378 423) no Hoare annotation was computed. [2022-01-10 15:58:40,891 INFO L858 garLoopResultBuilder]: For program point L385(lines 385 423) no Hoare annotation was computed. [2022-01-10 15:58:40,891 INFO L858 garLoopResultBuilder]: For program point L388(lines 388 423) no Hoare annotation was computed. [2022-01-10 15:58:40,891 INFO L858 garLoopResultBuilder]: For program point L390(lines 390 423) no Hoare annotation was computed. [2022-01-10 15:58:40,891 INFO L858 garLoopResultBuilder]: For program point L391(lines 391 397) no Hoare annotation was computed. [2022-01-10 15:58:40,892 INFO L858 garLoopResultBuilder]: For program point L399(lines 399 423) no Hoare annotation was computed. [2022-01-10 15:58:40,892 INFO L858 garLoopResultBuilder]: For program point L391-2(lines 391 397) no Hoare annotation was computed. [2022-01-10 15:58:40,892 INFO L858 garLoopResultBuilder]: For program point L404(lines 404 423) no Hoare annotation was computed. [2022-01-10 15:58:40,892 INFO L858 garLoopResultBuilder]: For program point L408(lines 408 423) no Hoare annotation was computed. [2022-01-10 15:58:40,892 INFO L858 garLoopResultBuilder]: For program point L412(lines 412 423) no Hoare annotation was computed. [2022-01-10 15:58:40,892 INFO L858 garLoopResultBuilder]: For program point L414(lines 414 423) no Hoare annotation was computed. [2022-01-10 15:58:40,892 INFO L858 garLoopResultBuilder]: For program point L417(lines 417 423) no Hoare annotation was computed. [2022-01-10 15:58:40,892 INFO L858 garLoopResultBuilder]: For program point L419(lines 419 423) no Hoare annotation was computed. [2022-01-10 15:58:40,892 INFO L858 garLoopResultBuilder]: For program point L424(lines 424 426) no Hoare annotation was computed. [2022-01-10 15:58:40,892 INFO L858 garLoopResultBuilder]: For program point L425(line 425) no Hoare annotation was computed. [2022-01-10 15:58:40,892 INFO L858 garLoopResultBuilder]: For program point L424-2(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,892 INFO L858 garLoopResultBuilder]: For program point L428(line 428) no Hoare annotation was computed. [2022-01-10 15:58:40,892 INFO L858 garLoopResultBuilder]: For program point L427-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,892 INFO L858 garLoopResultBuilder]: For program point L431(line 431) no Hoare annotation was computed. [2022-01-10 15:58:40,892 INFO L858 garLoopResultBuilder]: For program point L430-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,892 INFO L858 garLoopResultBuilder]: For program point L434(line 434) no Hoare annotation was computed. [2022-01-10 15:58:40,892 INFO L858 garLoopResultBuilder]: For program point L433-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,892 INFO L858 garLoopResultBuilder]: For program point L437(line 437) no Hoare annotation was computed. [2022-01-10 15:58:40,892 INFO L858 garLoopResultBuilder]: For program point L436-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,892 INFO L858 garLoopResultBuilder]: For program point L440(line 440) no Hoare annotation was computed. [2022-01-10 15:58:40,892 INFO L858 garLoopResultBuilder]: For program point L439-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,892 INFO L858 garLoopResultBuilder]: For program point L443(line 443) no Hoare annotation was computed. [2022-01-10 15:58:40,892 INFO L858 garLoopResultBuilder]: For program point L442-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,892 INFO L858 garLoopResultBuilder]: For program point L446(line 446) no Hoare annotation was computed. [2022-01-10 15:58:40,892 INFO L858 garLoopResultBuilder]: For program point L445-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,892 INFO L858 garLoopResultBuilder]: For program point L449(line 449) no Hoare annotation was computed. [2022-01-10 15:58:40,893 INFO L858 garLoopResultBuilder]: For program point L448-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,893 INFO L858 garLoopResultBuilder]: For program point L452(line 452) no Hoare annotation was computed. [2022-01-10 15:58:40,893 INFO L858 garLoopResultBuilder]: For program point L451-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,893 INFO L858 garLoopResultBuilder]: For program point L455(line 455) no Hoare annotation was computed. [2022-01-10 15:58:40,893 INFO L858 garLoopResultBuilder]: For program point L454-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,893 INFO L858 garLoopResultBuilder]: For program point L458(line 458) no Hoare annotation was computed. [2022-01-10 15:58:40,893 INFO L858 garLoopResultBuilder]: For program point L457-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,893 INFO L858 garLoopResultBuilder]: For program point L461(line 461) no Hoare annotation was computed. [2022-01-10 15:58:40,893 INFO L858 garLoopResultBuilder]: For program point L460-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,893 INFO L858 garLoopResultBuilder]: For program point L464(line 464) no Hoare annotation was computed. [2022-01-10 15:58:40,893 INFO L858 garLoopResultBuilder]: For program point L463-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,893 INFO L858 garLoopResultBuilder]: For program point L467(line 467) no Hoare annotation was computed. [2022-01-10 15:58:40,893 INFO L858 garLoopResultBuilder]: For program point L466-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,893 INFO L858 garLoopResultBuilder]: For program point L470(line 470) no Hoare annotation was computed. [2022-01-10 15:58:40,893 INFO L858 garLoopResultBuilder]: For program point L469-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,893 INFO L858 garLoopResultBuilder]: For program point L473(line 473) no Hoare annotation was computed. [2022-01-10 15:58:40,893 INFO L858 garLoopResultBuilder]: For program point L472-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,893 INFO L858 garLoopResultBuilder]: For program point L476(line 476) no Hoare annotation was computed. [2022-01-10 15:58:40,893 INFO L858 garLoopResultBuilder]: For program point L475-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,893 INFO L858 garLoopResultBuilder]: For program point L479(line 479) no Hoare annotation was computed. [2022-01-10 15:58:40,893 INFO L858 garLoopResultBuilder]: For program point L478-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,893 INFO L858 garLoopResultBuilder]: For program point L482(line 482) no Hoare annotation was computed. [2022-01-10 15:58:40,893 INFO L858 garLoopResultBuilder]: For program point L481-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,893 INFO L858 garLoopResultBuilder]: For program point L485(line 485) no Hoare annotation was computed. [2022-01-10 15:58:40,893 INFO L858 garLoopResultBuilder]: For program point L484-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,893 INFO L858 garLoopResultBuilder]: For program point L488(line 488) no Hoare annotation was computed. [2022-01-10 15:58:40,894 INFO L858 garLoopResultBuilder]: For program point L487-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,894 INFO L858 garLoopResultBuilder]: For program point L491(line 491) no Hoare annotation was computed. [2022-01-10 15:58:40,894 INFO L858 garLoopResultBuilder]: For program point L490-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,894 INFO L858 garLoopResultBuilder]: For program point L494(line 494) no Hoare annotation was computed. [2022-01-10 15:58:40,894 INFO L858 garLoopResultBuilder]: For program point L493-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,894 INFO L858 garLoopResultBuilder]: For program point L497(line 497) no Hoare annotation was computed. [2022-01-10 15:58:40,894 INFO L858 garLoopResultBuilder]: For program point L496-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,894 INFO L858 garLoopResultBuilder]: For program point L500(line 500) no Hoare annotation was computed. [2022-01-10 15:58:40,894 INFO L858 garLoopResultBuilder]: For program point L499-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,894 INFO L858 garLoopResultBuilder]: For program point L503(line 503) no Hoare annotation was computed. [2022-01-10 15:58:40,894 INFO L858 garLoopResultBuilder]: For program point L502-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,894 INFO L858 garLoopResultBuilder]: For program point L506(line 506) no Hoare annotation was computed. [2022-01-10 15:58:40,894 INFO L858 garLoopResultBuilder]: For program point L505-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,894 INFO L858 garLoopResultBuilder]: For program point L509(line 509) no Hoare annotation was computed. [2022-01-10 15:58:40,894 INFO L858 garLoopResultBuilder]: For program point L508-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,894 INFO L858 garLoopResultBuilder]: For program point L512(line 512) no Hoare annotation was computed. [2022-01-10 15:58:40,894 INFO L858 garLoopResultBuilder]: For program point L511-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,894 INFO L858 garLoopResultBuilder]: For program point L515(line 515) no Hoare annotation was computed. [2022-01-10 15:58:40,894 INFO L858 garLoopResultBuilder]: For program point L514-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,894 INFO L858 garLoopResultBuilder]: For program point L518(line 518) no Hoare annotation was computed. [2022-01-10 15:58:40,894 INFO L858 garLoopResultBuilder]: For program point L517-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,894 INFO L858 garLoopResultBuilder]: For program point L521(line 521) no Hoare annotation was computed. [2022-01-10 15:58:40,894 INFO L858 garLoopResultBuilder]: For program point L520-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,894 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 521) no Hoare annotation was computed. [2022-01-10 15:58:40,895 INFO L858 garLoopResultBuilder]: For program point L524(line 524) no Hoare annotation was computed. [2022-01-10 15:58:40,895 INFO L858 garLoopResultBuilder]: For program point L523-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,895 INFO L858 garLoopResultBuilder]: For program point L527(line 527) no Hoare annotation was computed. [2022-01-10 15:58:40,895 INFO L858 garLoopResultBuilder]: For program point L526-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,895 INFO L858 garLoopResultBuilder]: For program point L530(line 530) no Hoare annotation was computed. [2022-01-10 15:58:40,895 INFO L858 garLoopResultBuilder]: For program point L529-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,895 INFO L858 garLoopResultBuilder]: For program point L533(line 533) no Hoare annotation was computed. [2022-01-10 15:58:40,895 INFO L858 garLoopResultBuilder]: For program point L532-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,895 INFO L858 garLoopResultBuilder]: For program point L536(line 536) no Hoare annotation was computed. [2022-01-10 15:58:40,895 INFO L858 garLoopResultBuilder]: For program point L535-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,895 INFO L858 garLoopResultBuilder]: For program point L539(line 539) no Hoare annotation was computed. [2022-01-10 15:58:40,895 INFO L858 garLoopResultBuilder]: For program point L538-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,895 INFO L858 garLoopResultBuilder]: For program point L542(line 542) no Hoare annotation was computed. [2022-01-10 15:58:40,895 INFO L858 garLoopResultBuilder]: For program point L541-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,895 INFO L858 garLoopResultBuilder]: For program point L545(line 545) no Hoare annotation was computed. [2022-01-10 15:58:40,895 INFO L858 garLoopResultBuilder]: For program point L544-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,895 INFO L858 garLoopResultBuilder]: For program point L548(line 548) no Hoare annotation was computed. [2022-01-10 15:58:40,895 INFO L858 garLoopResultBuilder]: For program point L547-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,895 INFO L858 garLoopResultBuilder]: For program point L551(line 551) no Hoare annotation was computed. [2022-01-10 15:58:40,895 INFO L858 garLoopResultBuilder]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,895 INFO L858 garLoopResultBuilder]: For program point L554(line 554) no Hoare annotation was computed. [2022-01-10 15:58:40,895 INFO L858 garLoopResultBuilder]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,895 INFO L858 garLoopResultBuilder]: For program point L557(line 557) no Hoare annotation was computed. [2022-01-10 15:58:40,895 INFO L858 garLoopResultBuilder]: For program point L556-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,895 INFO L858 garLoopResultBuilder]: For program point L560(line 560) no Hoare annotation was computed. [2022-01-10 15:58:40,895 INFO L858 garLoopResultBuilder]: For program point L559-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,896 INFO L858 garLoopResultBuilder]: For program point L563(line 563) no Hoare annotation was computed. [2022-01-10 15:58:40,896 INFO L858 garLoopResultBuilder]: For program point L562-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,896 INFO L858 garLoopResultBuilder]: For program point L566(line 566) no Hoare annotation was computed. [2022-01-10 15:58:40,896 INFO L858 garLoopResultBuilder]: For program point L565-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,896 INFO L858 garLoopResultBuilder]: For program point L569(line 569) no Hoare annotation was computed. [2022-01-10 15:58:40,896 INFO L858 garLoopResultBuilder]: For program point L568-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,896 INFO L858 garLoopResultBuilder]: For program point L572(line 572) no Hoare annotation was computed. [2022-01-10 15:58:40,896 INFO L858 garLoopResultBuilder]: For program point L571-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,896 INFO L858 garLoopResultBuilder]: For program point L575(line 575) no Hoare annotation was computed. [2022-01-10 15:58:40,896 INFO L858 garLoopResultBuilder]: For program point L574-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,896 INFO L858 garLoopResultBuilder]: For program point L578(line 578) no Hoare annotation was computed. [2022-01-10 15:58:40,896 INFO L858 garLoopResultBuilder]: For program point L577-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,896 INFO L858 garLoopResultBuilder]: For program point L581(line 581) no Hoare annotation was computed. [2022-01-10 15:58:40,896 INFO L858 garLoopResultBuilder]: For program point L580-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,896 INFO L858 garLoopResultBuilder]: For program point L584(line 584) no Hoare annotation was computed. [2022-01-10 15:58:40,896 INFO L858 garLoopResultBuilder]: For program point L583-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,896 INFO L858 garLoopResultBuilder]: For program point L587(line 587) no Hoare annotation was computed. [2022-01-10 15:58:40,896 INFO L858 garLoopResultBuilder]: For program point L586-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,896 INFO L858 garLoopResultBuilder]: For program point L590(line 590) no Hoare annotation was computed. [2022-01-10 15:58:40,896 INFO L858 garLoopResultBuilder]: For program point L589-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,896 INFO L858 garLoopResultBuilder]: For program point L593(line 593) no Hoare annotation was computed. [2022-01-10 15:58:40,896 INFO L858 garLoopResultBuilder]: For program point L592-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,896 INFO L858 garLoopResultBuilder]: For program point L596(line 596) no Hoare annotation was computed. [2022-01-10 15:58:40,896 INFO L858 garLoopResultBuilder]: For program point L595-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,896 INFO L858 garLoopResultBuilder]: For program point L599(line 599) no Hoare annotation was computed. [2022-01-10 15:58:40,896 INFO L858 garLoopResultBuilder]: For program point L598-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,897 INFO L858 garLoopResultBuilder]: For program point L602(line 602) no Hoare annotation was computed. [2022-01-10 15:58:40,897 INFO L858 garLoopResultBuilder]: For program point L601-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:40,897 INFO L858 garLoopResultBuilder]: For program point L605(line 605) no Hoare annotation was computed. [2022-01-10 15:58:40,897 INFO L858 garLoopResultBuilder]: For program point L604-1(lines 604 606) no Hoare annotation was computed. [2022-01-10 15:58:40,900 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 15:58:40,901 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 15:58:40,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 03:58:40 BasicIcfg [2022-01-10 15:58:40,919 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 15:58:40,919 INFO L158 Benchmark]: Toolchain (without parser) took 9607.50ms. Allocated memory was 162.5MB in the beginning and 299.9MB in the end (delta: 137.4MB). Free memory was 109.9MB in the beginning and 220.4MB in the end (delta: -110.6MB). Peak memory consumption was 157.4MB. Max. memory is 8.0GB. [2022-01-10 15:58:40,919 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 162.5MB. Free memory is still 127.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 15:58:40,920 INFO L158 Benchmark]: CACSL2BoogieTranslator took 423.78ms. Allocated memory was 162.5MB in the beginning and 195.0MB in the end (delta: 32.5MB). Free memory was 109.7MB in the beginning and 154.6MB in the end (delta: -44.9MB). Peak memory consumption was 7.5MB. Max. memory is 8.0GB. [2022-01-10 15:58:40,920 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.90ms. Allocated memory is still 195.0MB. Free memory was 154.6MB in the beginning and 149.4MB in the end (delta: 5.2MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2022-01-10 15:58:40,920 INFO L158 Benchmark]: Boogie Preprocessor took 73.80ms. Allocated memory is still 195.0MB. Free memory was 149.4MB in the beginning and 145.0MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-01-10 15:58:40,920 INFO L158 Benchmark]: RCFGBuilder took 895.93ms. Allocated memory is still 195.0MB. Free memory was 145.0MB in the beginning and 167.3MB in the end (delta: -22.3MB). Peak memory consumption was 67.4MB. Max. memory is 8.0GB. [2022-01-10 15:58:40,920 INFO L158 Benchmark]: IcfgTransformer took 167.42ms. Allocated memory is still 195.0MB. Free memory was 167.3MB in the beginning and 132.7MB in the end (delta: 34.6MB). Peak memory consumption was 34.6MB. Max. memory is 8.0GB. [2022-01-10 15:58:40,921 INFO L158 Benchmark]: TraceAbstraction took 7959.71ms. Allocated memory was 195.0MB in the beginning and 299.9MB in the end (delta: 104.9MB). Free memory was 132.7MB in the beginning and 220.4MB in the end (delta: -87.8MB). Peak memory consumption was 146.6MB. Max. memory is 8.0GB. [2022-01-10 15:58:40,922 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 162.5MB. Free memory is still 127.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 423.78ms. Allocated memory was 162.5MB in the beginning and 195.0MB in the end (delta: 32.5MB). Free memory was 109.7MB in the beginning and 154.6MB in the end (delta: -44.9MB). Peak memory consumption was 7.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 79.90ms. Allocated memory is still 195.0MB. Free memory was 154.6MB in the beginning and 149.4MB in the end (delta: 5.2MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 73.80ms. Allocated memory is still 195.0MB. Free memory was 149.4MB in the beginning and 145.0MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 895.93ms. Allocated memory is still 195.0MB. Free memory was 145.0MB in the beginning and 167.3MB in the end (delta: -22.3MB). Peak memory consumption was 67.4MB. Max. memory is 8.0GB. * IcfgTransformer took 167.42ms. Allocated memory is still 195.0MB. Free memory was 167.3MB in the beginning and 132.7MB in the end (delta: 34.6MB). Peak memory consumption was 34.6MB. Max. memory is 8.0GB. * TraceAbstraction took 7959.71ms. Allocated memory was 195.0MB in the beginning and 299.9MB in the end (delta: 104.9MB). Free memory was 132.7MB in the beginning and 220.4MB in the end (delta: -87.8MB). Peak memory consumption was 146.6MB. 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: 521]: 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, 227 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.9s, OverallIterations: 12, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 5.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1588 SdHoareTripleChecker+Valid, 4.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1588 mSDsluCounter, 1906 SdHoareTripleChecker+Invalid, 3.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 212 mSDsCounter, 728 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4623 IncrementalHoareTripleChecker+Invalid, 5351 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 728 mSolverCounterUnsat, 1694 mSDtfsCounter, 4623 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3820occurred in iteration=11, InterpolantAutomatonStates: 38, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 576 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 65 NumberOfFragments, 335 HoareAnnotationTreeSize, 3 FomulaSimplifications, 226 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 758 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 2131 NumberOfCodeBlocks, 2131 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2119 ConstructedInterpolants, 0 QuantifiedInterpolants, 7561 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 1322/1322 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: 616]: Loop Invariant Derived loop invariant: (((((((((((((((((1bv32 == a11 && 1bv32 == a19) && ~bvule32(a25, 0bv32)) && ~bvule32(a28, 10bv32)) && ~bvule32(9bv32, a28)) && 1bv32 == a21) && 8bv32 == a17) || (~bvule32(10bv32, a28) && ~bvule32(a17, 7bv32))) || (0bv32 == a11 && ~bvule32(a17, 7bv32))) || ((((~bvule32(10bv32, a28) && 1bv32 == a25) && 1bv32 == a19) && 1bv32 == a21) && 8bv32 == a17)) || ((~bvule32(a25, 0bv32) && 0bv32 == a11) && 1bv32 == a21)) || ((0bv32 == a11 && ~bvule32(a28, 10bv32)) && 1bv32 == a21)) || (((((1bv32 == a11 && 1bv32 == a25) && 1bv32 == a19) && a28 == 9bv32) && 1bv32 == a21) && 8bv32 == a17)) || (~bvule32(a17, 7bv32) && ~bvule32(a28, 7bv32))) || ((((~bvule32(10bv32, a28) && 1bv32 == a19) && ~bvule32(a28, 10bv32)) && 1bv32 == a21) && 8bv32 == a17)) || ((((~bvule32(10bv32, a28) && 1bv32 == a25) && 1bv32 == a19) && ~bvule32(a28, 10bv32)) && 1bv32 == a21)) || ((((1bv32 == a25 && 1bv32 == a19) && ~bvule32(a28, 7bv32)) && 1bv32 == a21) && 8bv32 == a17)) || ((1bv32 == a11 && ~bvule32(a28, 7bv32)) && 1bv32 == a21)) || ((~bvule32(a17, 7bv32) && ~bvule32(9bv32, a28)) && 1bv32 == a21) - InvariantResult [Line: 610]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: (((((((((((((((((1bv32 == a11 && 1bv32 == a19) && ~bvule32(a25, 0bv32)) && ~bvule32(a28, 10bv32)) && ~bvule32(9bv32, a28)) && 1bv32 == a21) && 8bv32 == a17) || (~bvule32(10bv32, a28) && ~bvule32(a17, 7bv32))) || (0bv32 == a11 && ~bvule32(a17, 7bv32))) || ((((~bvule32(10bv32, a28) && 1bv32 == a25) && 1bv32 == a19) && 1bv32 == a21) && 8bv32 == a17)) || ((~bvule32(a25, 0bv32) && 0bv32 == a11) && 1bv32 == a21)) || ((0bv32 == a11 && ~bvule32(a28, 10bv32)) && 1bv32 == a21)) || (((((1bv32 == a11 && 1bv32 == a25) && 1bv32 == a19) && a28 == 9bv32) && 1bv32 == a21) && 8bv32 == a17)) || (~bvule32(a17, 7bv32) && ~bvule32(a28, 7bv32))) || ((((~bvule32(10bv32, a28) && 1bv32 == a19) && ~bvule32(a28, 10bv32)) && 1bv32 == a21) && 8bv32 == a17)) || ((((~bvule32(10bv32, a28) && 1bv32 == a25) && 1bv32 == a19) && ~bvule32(a28, 10bv32)) && 1bv32 == a21)) || ((((1bv32 == a25 && 1bv32 == a19) && ~bvule32(a28, 7bv32)) && 1bv32 == a21) && 8bv32 == a17)) || ((1bv32 == a11 && ~bvule32(a28, 7bv32)) && 1bv32 == a21)) || ((~bvule32(a17, 7bv32) && ~bvule32(9bv32, a28)) && 1bv32 == a21) RESULT: Ultimate proved your program to be correct! [2022-01-10 15:58:40,963 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...