/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_NONE.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label39.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 21:47:51,001 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 21:47:51,004 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 21:47:51,065 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-10 21:47:51,085 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 21:47:51,086 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 21:47:51,088 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 21:47:51,090 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 21:47:51,091 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 21:47:51,091 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 21:47:51,093 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 21:47:51,098 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 21:47:51,099 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 21:47:51,100 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 21:47:51,102 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 21:47:51,102 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 21:47:51,108 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-10 21:47:51,115 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 21:47:51,116 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 21:47:51,117 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 21:47:51,117 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_NONE.epf [2022-01-10 21:47:51,147 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 21:47:51,147 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 21:47:51,148 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 21:47:51,148 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 21:47:51,149 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 21:47:51,149 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 21:47:51,149 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 21:47:51,150 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 21:47:51,150 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 21:47:51,150 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 21:47:51,151 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 21:47:51,151 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 21:47:51,151 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 21:47:51,151 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 21:47:51,151 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 21:47:51,151 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 21:47:51,151 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 21:47:51,151 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 21:47:51,152 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 21:47:51,152 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 21:47:51,152 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 21:47:51,152 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 21:47:51,152 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 21:47:51,152 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 21:47:51,152 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 21:47:51,153 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-10 21:47:51,153 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-10 21:47:51,153 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 21:47:51,153 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 21:47:51,153 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 21:47:51,153 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-10 21:47:51,153 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 21:47:51,154 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-10 21:47:51,154 INFO L138 SettingsManager]: * TransformationType=BV_TO_INT_NONE 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 21:47:51,381 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 21:47:51,407 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 21:47:51,409 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 21:47:51,410 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 21:47:51,411 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 21:47:51,412 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label39.c [2022-01-10 21:47:51,460 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/395f840b8/ca2d092a04f0430b80fd4be3efcf6bda/FLAGc7da7efd8 [2022-01-10 21:47:51,931 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 21:47:51,931 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label39.c [2022-01-10 21:47:51,947 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/395f840b8/ca2d092a04f0430b80fd4be3efcf6bda/FLAGc7da7efd8 [2022-01-10 21:47:51,959 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/395f840b8/ca2d092a04f0430b80fd4be3efcf6bda [2022-01-10 21:47:51,961 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 21:47:51,962 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-10 21:47:51,967 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 21:47:51,967 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 21:47:51,971 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 21:47:51,971 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 09:47:51" (1/1) ... [2022-01-10 21:47:51,972 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d58b20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:47:51, skipping insertion in model container [2022-01-10 21:47:51,972 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 09:47:51" (1/1) ... [2022-01-10 21:47:51,980 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 21:47:52,028 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 21:47:52,298 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label39.c[21959,21972] [2022-01-10 21:47:52,310 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 21:47:52,326 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 21:47:52,400 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label39.c[21959,21972] [2022-01-10 21:47:52,419 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 21:47:52,431 INFO L208 MainTranslator]: Completed translation [2022-01-10 21:47:52,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:47:52 WrapperNode [2022-01-10 21:47:52,432 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 21:47:52,433 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 21:47:52,433 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 21:47:52,433 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 21:47:52,439 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:47:52" (1/1) ... [2022-01-10 21:47:52,455 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:47:52" (1/1) ... [2022-01-10 21:47:52,509 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 655 [2022-01-10 21:47:52,510 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 21:47:52,510 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 21:47:52,510 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 21:47:52,510 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 21:47:52,516 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:47:52" (1/1) ... [2022-01-10 21:47:52,516 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:47:52" (1/1) ... [2022-01-10 21:47:52,521 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:47:52" (1/1) ... [2022-01-10 21:47:52,521 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:47:52" (1/1) ... [2022-01-10 21:47:52,540 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:47:52" (1/1) ... [2022-01-10 21:47:52,546 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:47:52" (1/1) ... [2022-01-10 21:47:52,549 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:47:52" (1/1) ... [2022-01-10 21:47:52,554 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 21:47:52,555 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 21:47:52,555 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 21:47:52,555 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 21:47:52,556 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:47:52" (1/1) ... [2022-01-10 21:47:52,562 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 21:47:52,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 21:47:52,582 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 21:47:52,617 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 21:47:52,635 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 21:47:52,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 21:47:52,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 21:47:52,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 21:47:52,724 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 21:47:52,726 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 21:47:53,609 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 21:47:53,616 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 21:47:53,617 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-01-10 21:47:53,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 09:47:53 BoogieIcfgContainer [2022-01-10 21:47:53,618 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 21:47:53,619 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-10 21:47:53,619 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-10 21:47:53,620 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-10 21:47:53,622 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 09:47:53" (1/1) ... [2022-01-10 21:47:53,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 09:47:53 BasicIcfg [2022-01-10 21:47:53,984 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-10 21:47:53,986 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 21:47:53,986 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 21:47:53,988 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 21:47:53,989 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 09:47:51" (1/4) ... [2022-01-10 21:47:53,989 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d37a248 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 09:47:53, skipping insertion in model container [2022-01-10 21:47:53,989 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:47:52" (2/4) ... [2022-01-10 21:47:53,990 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d37a248 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 09:47:53, skipping insertion in model container [2022-01-10 21:47:53,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 09:47:53" (3/4) ... [2022-01-10 21:47:53,990 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d37a248 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 09:47:53, skipping insertion in model container [2022-01-10 21:47:53,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 09:47:53" (4/4) ... [2022-01-10 21:47:53,991 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label39.cTransformedIcfg [2022-01-10 21:47:53,997 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 21:47:53,998 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 21:47:54,050 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 21:47:54,065 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 21:47:54,066 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 21:47:54,078 INFO L276 IsEmpty]: Start isEmpty. Operand has 198 states, 196 states have (on average 1.6683673469387754) internal successors, (327), 197 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 21:47:54,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-01-10 21:47:54,088 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 21:47:54,088 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 21:47:54,089 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 21:47:54,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 21:47:54,093 INFO L85 PathProgramCache]: Analyzing trace with hash 1296019300, now seen corresponding path program 1 times [2022-01-10 21:47:54,099 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 21:47:54,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892208442] [2022-01-10 21:47:54,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 21:47:54,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 21:47:54,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 21:47:54,660 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 21:47:54,661 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 21:47:54,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892208442] [2022-01-10 21:47:54,661 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1892208442] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 21:47:54,662 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 21:47:54,662 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 21:47:54,663 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466571465] [2022-01-10 21:47:54,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 21:47:54,667 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 21:47:54,668 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 21:47:54,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 21:47:54,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-01-10 21:47:54,690 INFO L87 Difference]: Start difference. First operand has 198 states, 196 states have (on average 1.6683673469387754) internal successors, (327), 197 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 26.4) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 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 21:47:55,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 21:47:55,911 INFO L93 Difference]: Finished difference Result 662 states and 1178 transitions. [2022-01-10 21:47:55,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-10 21:47:55,914 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.4) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 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 132 [2022-01-10 21:47:55,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 21:47:55,924 INFO L225 Difference]: With dead ends: 662 [2022-01-10 21:47:55,924 INFO L226 Difference]: Without dead ends: 397 [2022-01-10 21:47:55,931 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-01-10 21:47:55,936 INFO L933 BasicCegarLoop]: 53 mSDtfsCounter, 438 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 844 mSolverCounterSat, 246 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 438 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 1090 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 246 IncrementalHoareTripleChecker+Valid, 844 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-01-10 21:47:55,936 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [438 Valid, 76 Invalid, 1090 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [246 Valid, 844 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-01-10 21:47:55,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2022-01-10 21:47:56,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 397. [2022-01-10 21:47:56,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397 states, 396 states have (on average 1.3055555555555556) internal successors, (517), 396 states have internal predecessors, (517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 21:47:56,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 517 transitions. [2022-01-10 21:47:56,009 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 517 transitions. Word has length 132 [2022-01-10 21:47:56,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 21:47:56,009 INFO L470 AbstractCegarLoop]: Abstraction has 397 states and 517 transitions. [2022-01-10 21:47:56,010 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.4) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 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 21:47:56,010 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 517 transitions. [2022-01-10 21:47:56,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-01-10 21:47:56,017 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 21:47:56,017 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 21:47:56,019 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-10 21:47:56,019 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 21:47:56,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 21:47:56,020 INFO L85 PathProgramCache]: Analyzing trace with hash -980340240, now seen corresponding path program 1 times [2022-01-10 21:47:56,020 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 21:47:56,020 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390826125] [2022-01-10 21:47:56,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 21:47:56,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 21:47:56,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 21:47:56,255 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 21:47:56,256 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 21:47:56,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390826125] [2022-01-10 21:47:56,256 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390826125] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 21:47:56,256 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 21:47:56,257 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 21:47:56,257 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799663961] [2022-01-10 21:47:56,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 21:47:56,258 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 21:47:56,258 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 21:47:56,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 21:47:56,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-10 21:47:56,259 INFO L87 Difference]: Start difference. First operand 397 states and 517 transitions. Second operand has 4 states, 4 states have (on average 34.75) internal successors, (139), 3 states have internal predecessors, (139), 0 states have call successors, (0), 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 21:47:57,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 21:47:57,093 INFO L93 Difference]: Finished difference Result 1018 states and 1433 transitions. [2022-01-10 21:47:57,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-10 21:47:57,094 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.75) internal successors, (139), 3 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 139 [2022-01-10 21:47:57,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 21:47:57,096 INFO L225 Difference]: With dead ends: 1018 [2022-01-10 21:47:57,096 INFO L226 Difference]: Without dead ends: 659 [2022-01-10 21:47:57,098 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 21:47:57,099 INFO L933 BasicCegarLoop]: 71 mSDtfsCounter, 130 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 526 mSolverCounterSat, 172 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 698 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 172 IncrementalHoareTripleChecker+Valid, 526 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-10 21:47:57,099 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [130 Valid, 81 Invalid, 698 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [172 Valid, 526 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-10 21:47:57,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states. [2022-01-10 21:47:57,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 397. [2022-01-10 21:47:57,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397 states, 396 states have (on average 1.196969696969697) internal successors, (474), 396 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 21:47:57,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 474 transitions. [2022-01-10 21:47:57,113 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 474 transitions. Word has length 139 [2022-01-10 21:47:57,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 21:47:57,113 INFO L470 AbstractCegarLoop]: Abstraction has 397 states and 474 transitions. [2022-01-10 21:47:57,114 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.75) internal successors, (139), 3 states have internal predecessors, (139), 0 states have call successors, (0), 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 21:47:57,114 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 474 transitions. [2022-01-10 21:47:57,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-01-10 21:47:57,117 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 21:47:57,117 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 21:47:57,117 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-10 21:47:57,117 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 21:47:57,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 21:47:57,118 INFO L85 PathProgramCache]: Analyzing trace with hash 2064926183, now seen corresponding path program 1 times [2022-01-10 21:47:57,118 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 21:47:57,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347200092] [2022-01-10 21:47:57,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 21:47:57,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 21:47:57,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 21:47:57,192 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-10 21:47:57,193 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 21:47:57,193 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347200092] [2022-01-10 21:47:57,194 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347200092] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 21:47:57,195 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 21:47:57,195 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 21:47:57,195 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050318722] [2022-01-10 21:47:57,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 21:47:57,196 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 21:47:57,196 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 21:47:57,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 21:47:57,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 21:47:57,197 INFO L87 Difference]: Start difference. First operand 397 states and 474 transitions. Second operand has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 2 states have internal predecessors, (145), 0 states have call successors, (0), 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 21:47:57,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 21:47:57,582 INFO L93 Difference]: Finished difference Result 923 states and 1105 transitions. [2022-01-10 21:47:57,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 21:47:57,582 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 2 states have internal predecessors, (145), 0 states have call successors, (0), 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 147 [2022-01-10 21:47:57,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 21:47:57,584 INFO L225 Difference]: With dead ends: 923 [2022-01-10 21:47:57,584 INFO L226 Difference]: Without dead ends: 528 [2022-01-10 21:47:57,585 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 21:47:57,586 INFO L933 BasicCegarLoop]: 42 mSDtfsCounter, 124 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 297 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-10 21:47:57,587 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [124 Valid, 47 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 297 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-10 21:47:57,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2022-01-10 21:47:57,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 528. [2022-01-10 21:47:57,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 528 states, 527 states have (on average 1.1707779886148009) internal successors, (617), 527 states have internal predecessors, (617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 21:47:57,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 617 transitions. [2022-01-10 21:47:57,599 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 617 transitions. Word has length 147 [2022-01-10 21:47:57,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 21:47:57,599 INFO L470 AbstractCegarLoop]: Abstraction has 528 states and 617 transitions. [2022-01-10 21:47:57,600 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 2 states have internal predecessors, (145), 0 states have call successors, (0), 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 21:47:57,600 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 617 transitions. [2022-01-10 21:47:57,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-01-10 21:47:57,602 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 21:47:57,603 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 21:47:57,603 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-10 21:47:57,603 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 21:47:57,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 21:47:57,604 INFO L85 PathProgramCache]: Analyzing trace with hash 1495474599, now seen corresponding path program 1 times [2022-01-10 21:47:57,604 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 21:47:57,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163255800] [2022-01-10 21:47:57,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 21:47:57,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 21:47:57,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 21:47:57,682 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-01-10 21:47:57,682 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 21:47:57,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163255800] [2022-01-10 21:47:57,683 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163255800] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 21:47:57,683 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 21:47:57,683 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 21:47:57,683 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692441105] [2022-01-10 21:47:57,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 21:47:57,684 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 21:47:57,684 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 21:47:57,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 21:47:57,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 21:47:57,685 INFO L87 Difference]: Start difference. First operand 528 states and 617 transitions. Second operand has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 0 states have call successors, (0), 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 21:47:58,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 21:47:58,091 INFO L93 Difference]: Finished difference Result 1578 states and 1846 transitions. [2022-01-10 21:47:58,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 21:47:58,091 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 0 states have call successors, (0), 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 21:47:58,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 21:47:58,095 INFO L225 Difference]: With dead ends: 1578 [2022-01-10 21:47:58,096 INFO L226 Difference]: Without dead ends: 1052 [2022-01-10 21:47:58,097 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 21:47:58,098 INFO L933 BasicCegarLoop]: 24 mSDtfsCounter, 132 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 316 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-10 21:47:58,098 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [132 Valid, 28 Invalid, 363 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 316 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-10 21:47:58,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1052 states. [2022-01-10 21:47:58,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1052 to 921. [2022-01-10 21:47:58,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 921 states, 920 states have (on average 1.1891304347826086) internal successors, (1094), 920 states have internal predecessors, (1094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 21:47:58,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 921 states and 1094 transitions. [2022-01-10 21:47:58,117 INFO L78 Accepts]: Start accepts. Automaton has 921 states and 1094 transitions. Word has length 156 [2022-01-10 21:47:58,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 21:47:58,117 INFO L470 AbstractCegarLoop]: Abstraction has 921 states and 1094 transitions. [2022-01-10 21:47:58,117 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 0 states have call successors, (0), 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 21:47:58,118 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1094 transitions. [2022-01-10 21:47:58,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2022-01-10 21:47:58,120 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 21:47:58,120 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 21:47:58,120 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-10 21:47:58,120 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 21:47:58,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 21:47:58,121 INFO L85 PathProgramCache]: Analyzing trace with hash 783709069, now seen corresponding path program 1 times [2022-01-10 21:47:58,121 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 21:47:58,121 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787362202] [2022-01-10 21:47:58,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 21:47:58,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 21:47:58,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 21:47:58,209 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-10 21:47:58,210 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 21:47:58,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787362202] [2022-01-10 21:47:58,210 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787362202] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 21:47:58,210 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 21:47:58,210 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 21:47:58,210 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123060015] [2022-01-10 21:47:58,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 21:47:58,211 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 21:47:58,211 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 21:47:58,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 21:47:58,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 21:47:58,212 INFO L87 Difference]: Start difference. First operand 921 states and 1094 transitions. Second operand has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 21:47:58,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 21:47:58,648 INFO L93 Difference]: Finished difference Result 2102 states and 2479 transitions. [2022-01-10 21:47:58,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 21:47:58,648 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 162 [2022-01-10 21:47:58,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 21:47:58,652 INFO L225 Difference]: With dead ends: 2102 [2022-01-10 21:47:58,652 INFO L226 Difference]: Without dead ends: 1183 [2022-01-10 21:47:58,654 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 21:47:58,655 INFO L933 BasicCegarLoop]: 185 mSDtfsCounter, 121 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 331 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-10 21:47:58,658 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [121 Valid, 191 Invalid, 363 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 331 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-10 21:47:58,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1183 states. [2022-01-10 21:47:58,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1183 to 1052. [2022-01-10 21:47:58,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1052 states, 1051 states have (on average 1.1455756422454806) internal successors, (1204), 1051 states have internal predecessors, (1204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 21:47:58,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1204 transitions. [2022-01-10 21:47:58,678 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1204 transitions. Word has length 162 [2022-01-10 21:47:58,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 21:47:58,679 INFO L470 AbstractCegarLoop]: Abstraction has 1052 states and 1204 transitions. [2022-01-10 21:47:58,680 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 21:47:58,682 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1204 transitions. [2022-01-10 21:47:58,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2022-01-10 21:47:58,688 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 21:47:58,688 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 21:47:58,688 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-10 21:47:58,688 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 21:47:58,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 21:47:58,689 INFO L85 PathProgramCache]: Analyzing trace with hash -1364326405, now seen corresponding path program 1 times [2022-01-10 21:47:58,689 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 21:47:58,689 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121215791] [2022-01-10 21:47:58,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 21:47:58,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 21:47:58,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 21:47:58,799 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-10 21:47:58,800 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 21:47:58,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121215791] [2022-01-10 21:47:58,800 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121215791] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 21:47:58,800 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 21:47:58,800 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 21:47:58,800 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018081735] [2022-01-10 21:47:58,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 21:47:58,801 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 21:47:58,801 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 21:47:58,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 21:47:58,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 21:47:58,802 INFO L87 Difference]: Start difference. First operand 1052 states and 1204 transitions. Second operand has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 0 states have call successors, (0), 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 21:47:59,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 21:47:59,231 INFO L93 Difference]: Finished difference Result 2495 states and 2883 transitions. [2022-01-10 21:47:59,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 21:47:59,232 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 0 states have call successors, (0), 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 176 [2022-01-10 21:47:59,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 21:47:59,236 INFO L225 Difference]: With dead ends: 2495 [2022-01-10 21:47:59,236 INFO L226 Difference]: Without dead ends: 1445 [2022-01-10 21:47:59,238 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 21:47:59,238 INFO L933 BasicCegarLoop]: 181 mSDtfsCounter, 121 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 313 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-10 21:47:59,239 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [121 Valid, 187 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 313 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-10 21:47:59,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1445 states. [2022-01-10 21:47:59,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1445 to 1445. [2022-01-10 21:47:59,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1445 states, 1444 states have (on average 1.123961218836565) internal successors, (1623), 1444 states have internal predecessors, (1623), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 21:47:59,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1445 states to 1445 states and 1623 transitions. [2022-01-10 21:47:59,276 INFO L78 Accepts]: Start accepts. Automaton has 1445 states and 1623 transitions. Word has length 176 [2022-01-10 21:47:59,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 21:47:59,277 INFO L470 AbstractCegarLoop]: Abstraction has 1445 states and 1623 transitions. [2022-01-10 21:47:59,277 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 0 states have call successors, (0), 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 21:47:59,277 INFO L276 IsEmpty]: Start isEmpty. Operand 1445 states and 1623 transitions. [2022-01-10 21:47:59,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2022-01-10 21:47:59,280 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 21:47:59,280 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 21:47:59,280 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-10 21:47:59,281 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 21:47:59,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 21:47:59,281 INFO L85 PathProgramCache]: Analyzing trace with hash 1966661246, now seen corresponding path program 1 times [2022-01-10 21:47:59,281 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 21:47:59,282 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778126817] [2022-01-10 21:47:59,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 21:47:59,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 21:47:59,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 21:47:59,389 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-10 21:47:59,390 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 21:47:59,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778126817] [2022-01-10 21:47:59,390 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778126817] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 21:47:59,390 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 21:47:59,390 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 21:47:59,390 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717978331] [2022-01-10 21:47:59,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 21:47:59,391 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 21:47:59,391 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 21:47:59,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 21:47:59,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 21:47:59,392 INFO L87 Difference]: Start difference. First operand 1445 states and 1623 transitions. Second operand has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 21:47:59,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 21:47:59,810 INFO L93 Difference]: Finished difference Result 3281 states and 3713 transitions. [2022-01-10 21:47:59,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 21:47:59,811 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 179 [2022-01-10 21:47:59,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 21:47:59,819 INFO L225 Difference]: With dead ends: 3281 [2022-01-10 21:47:59,819 INFO L226 Difference]: Without dead ends: 1838 [2022-01-10 21:47:59,821 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 21:47:59,822 INFO L933 BasicCegarLoop]: 33 mSDtfsCounter, 124 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-10 21:47:59,822 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [124 Valid, 37 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 319 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-10 21:47:59,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1838 states. [2022-01-10 21:47:59,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1838 to 1576. [2022-01-10 21:47:59,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1576 states, 1575 states have (on average 1.1301587301587301) internal successors, (1780), 1575 states have internal predecessors, (1780), 0 states have call successors, (0), 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 21:47:59,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1576 states and 1780 transitions. [2022-01-10 21:47:59,853 INFO L78 Accepts]: Start accepts. Automaton has 1576 states and 1780 transitions. Word has length 179 [2022-01-10 21:47:59,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 21:47:59,853 INFO L470 AbstractCegarLoop]: Abstraction has 1576 states and 1780 transitions. [2022-01-10 21:47:59,853 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 21:47:59,854 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 1780 transitions. [2022-01-10 21:47:59,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-01-10 21:47:59,857 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 21:47:59,857 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 21:47:59,857 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-10 21:47:59,857 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 21:47:59,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 21:47:59,858 INFO L85 PathProgramCache]: Analyzing trace with hash -1092503828, now seen corresponding path program 1 times [2022-01-10 21:47:59,858 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 21:47:59,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702186552] [2022-01-10 21:47:59,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 21:47:59,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 21:47:59,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 21:47:59,958 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 21:47:59,958 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 21:47:59,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702186552] [2022-01-10 21:47:59,959 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702186552] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 21:47:59,959 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 21:47:59,959 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 21:47:59,959 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645741981] [2022-01-10 21:47:59,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 21:47:59,960 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 21:47:59,960 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 21:47:59,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 21:47:59,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-10 21:47:59,961 INFO L87 Difference]: Start difference. First operand 1576 states and 1780 transitions. Second operand has 4 states, 4 states have (on average 48.25) internal successors, (193), 4 states have internal predecessors, (193), 0 states have call successors, (0), 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 21:48:00,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 21:48:00,674 INFO L93 Difference]: Finished difference Result 3674 states and 4165 transitions. [2022-01-10 21:48:00,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-10 21:48:00,674 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 48.25) internal successors, (193), 4 states have internal predecessors, (193), 0 states have call successors, (0), 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 193 [2022-01-10 21:48:00,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 21:48:00,679 INFO L225 Difference]: With dead ends: 3674 [2022-01-10 21:48:00,679 INFO L226 Difference]: Without dead ends: 2100 [2022-01-10 21:48:00,681 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 21:48:00,682 INFO L933 BasicCegarLoop]: 11 mSDtfsCounter, 232 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 588 mSolverCounterSat, 122 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 710 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 588 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-10 21:48:00,683 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [232 Valid, 21 Invalid, 710 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 588 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-10 21:48:00,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2100 states. [2022-01-10 21:48:00,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2100 to 1838. [2022-01-10 21:48:00,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1838 states, 1837 states have (on average 1.1317365269461077) internal successors, (2079), 1837 states have internal predecessors, (2079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 21:48:00,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1838 states and 2079 transitions. [2022-01-10 21:48:00,725 INFO L78 Accepts]: Start accepts. Automaton has 1838 states and 2079 transitions. Word has length 193 [2022-01-10 21:48:00,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 21:48:00,727 INFO L470 AbstractCegarLoop]: Abstraction has 1838 states and 2079 transitions. [2022-01-10 21:48:00,727 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 48.25) internal successors, (193), 4 states have internal predecessors, (193), 0 states have call successors, (0), 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 21:48:00,727 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 2079 transitions. [2022-01-10 21:48:00,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2022-01-10 21:48:00,731 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 21:48:00,731 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:48:00,731 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-01-10 21:48:00,732 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 21:48:00,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 21:48:00,732 INFO L85 PathProgramCache]: Analyzing trace with hash 1331715988, now seen corresponding path program 1 times [2022-01-10 21:48:00,732 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 21:48:00,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383049817] [2022-01-10 21:48:00,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 21:48:00,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 21:48:00,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 21:48:00,887 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-01-10 21:48:00,888 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 21:48:00,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383049817] [2022-01-10 21:48:00,888 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383049817] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 21:48:00,888 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 21:48:00,888 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 21:48:00,888 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862062762] [2022-01-10 21:48:00,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 21:48:00,889 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 21:48:00,889 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 21:48:00,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 21:48:00,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 21:48:00,890 INFO L87 Difference]: Start difference. First operand 1838 states and 2079 transitions. Second operand has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 2 states have internal predecessors, (193), 0 states have call successors, (0), 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 21:48:01,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 21:48:01,301 INFO L93 Difference]: Finished difference Result 3805 states and 4333 transitions. [2022-01-10 21:48:01,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 21:48:01,302 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 2 states have internal predecessors, (193), 0 states have call successors, (0), 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 202 [2022-01-10 21:48:01,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 21:48:01,307 INFO L225 Difference]: With dead ends: 3805 [2022-01-10 21:48:01,308 INFO L226 Difference]: Without dead ends: 1969 [2022-01-10 21:48:01,309 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 21:48:01,310 INFO L933 BasicCegarLoop]: 51 mSDtfsCounter, 75 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 299 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 348 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-10 21:48:01,310 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [75 Valid, 55 Invalid, 348 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 299 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-10 21:48:01,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1969 states. [2022-01-10 21:48:01,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1969 to 1969. [2022-01-10 21:48:01,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1969 states, 1968 states have (on average 1.1178861788617886) internal successors, (2200), 1968 states have internal predecessors, (2200), 0 states have call successors, (0), 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 21:48:01,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1969 states to 1969 states and 2200 transitions. [2022-01-10 21:48:01,337 INFO L78 Accepts]: Start accepts. Automaton has 1969 states and 2200 transitions. Word has length 202 [2022-01-10 21:48:01,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 21:48:01,337 INFO L470 AbstractCegarLoop]: Abstraction has 1969 states and 2200 transitions. [2022-01-10 21:48:01,338 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 2 states have internal predecessors, (193), 0 states have call successors, (0), 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 21:48:01,338 INFO L276 IsEmpty]: Start isEmpty. Operand 1969 states and 2200 transitions. [2022-01-10 21:48:01,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-01-10 21:48:01,342 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 21:48:01,342 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-01-10 21:48:01,342 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-01-10 21:48:01,343 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 21:48:01,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 21:48:01,343 INFO L85 PathProgramCache]: Analyzing trace with hash -1219455182, now seen corresponding path program 1 times [2022-01-10 21:48:01,343 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 21:48:01,343 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106567059] [2022-01-10 21:48:01,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 21:48:01,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 21:48:01,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 21:48:01,490 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-01-10 21:48:01,491 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 21:48:01,491 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106567059] [2022-01-10 21:48:01,491 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106567059] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 21:48:01,491 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 21:48:01,491 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 21:48:01,491 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588218243] [2022-01-10 21:48:01,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 21:48:01,492 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 21:48:01,492 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 21:48:01,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 21:48:01,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 21:48:01,493 INFO L87 Difference]: Start difference. First operand 1969 states and 2200 transitions. Second operand has 3 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 21:48:01,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 21:48:01,899 INFO L93 Difference]: Finished difference Result 4329 states and 4823 transitions. [2022-01-10 21:48:01,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 21:48:01,900 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 250 [2022-01-10 21:48:01,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 21:48:01,906 INFO L225 Difference]: With dead ends: 4329 [2022-01-10 21:48:01,906 INFO L226 Difference]: Without dead ends: 2362 [2022-01-10 21:48:01,908 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 21:48:01,909 INFO L933 BasicCegarLoop]: 26 mSDtfsCounter, 99 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 295 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 295 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-10 21:48:01,909 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [99 Valid, 30 Invalid, 337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 295 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-10 21:48:01,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2362 states. [2022-01-10 21:48:01,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2362 to 1838. [2022-01-10 21:48:01,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1838 states, 1837 states have (on average 1.1137724550898203) internal successors, (2046), 1837 states have internal predecessors, (2046), 0 states have call successors, (0), 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 21:48:01,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1838 states and 2046 transitions. [2022-01-10 21:48:01,937 INFO L78 Accepts]: Start accepts. Automaton has 1838 states and 2046 transitions. Word has length 250 [2022-01-10 21:48:01,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 21:48:01,937 INFO L470 AbstractCegarLoop]: Abstraction has 1838 states and 2046 transitions. [2022-01-10 21:48:01,938 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 21:48:01,938 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 2046 transitions. [2022-01-10 21:48:01,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2022-01-10 21:48:01,942 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 21:48:01,942 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 21:48:01,942 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-01-10 21:48:01,943 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 21:48:01,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 21:48:01,943 INFO L85 PathProgramCache]: Analyzing trace with hash -965183666, now seen corresponding path program 1 times [2022-01-10 21:48:01,943 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 21:48:01,943 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601667334] [2022-01-10 21:48:01,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 21:48:01,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 21:48:02,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 21:48:02,200 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-01-10 21:48:02,201 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 21:48:02,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601667334] [2022-01-10 21:48:02,201 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601667334] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 21:48:02,201 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 21:48:02,201 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 21:48:02,201 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400397239] [2022-01-10 21:48:02,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 21:48:02,202 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 21:48:02,202 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 21:48:02,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 21:48:02,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-01-10 21:48:02,203 INFO L87 Difference]: Start difference. First operand 1838 states and 2046 transitions. Second operand has 5 states, 5 states have (on average 39.0) internal successors, (195), 4 states have internal predecessors, (195), 0 states have call successors, (0), 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 21:48:02,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 21:48:02,929 INFO L93 Difference]: Finished difference Result 3674 states and 4090 transitions. [2022-01-10 21:48:02,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 21:48:02,929 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 39.0) internal successors, (195), 4 states have internal predecessors, (195), 0 states have call successors, (0), 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 258 [2022-01-10 21:48:02,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 21:48:02,935 INFO L225 Difference]: With dead ends: 3674 [2022-01-10 21:48:02,935 INFO L226 Difference]: Without dead ends: 1838 [2022-01-10 21:48:02,937 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-01-10 21:48:02,937 INFO L933 BasicCegarLoop]: 11 mSDtfsCounter, 353 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 786 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 353 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 847 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 786 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-10 21:48:02,938 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [353 Valid, 27 Invalid, 847 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 786 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-10 21:48:02,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1838 states. [2022-01-10 21:48:02,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1838 to 1838. [2022-01-10 21:48:02,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1838 states, 1837 states have (on average 1.0827436037016875) internal successors, (1989), 1837 states have internal predecessors, (1989), 0 states have call successors, (0), 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 21:48:02,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1838 states and 1989 transitions. [2022-01-10 21:48:02,962 INFO L78 Accepts]: Start accepts. Automaton has 1838 states and 1989 transitions. Word has length 258 [2022-01-10 21:48:02,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 21:48:02,963 INFO L470 AbstractCegarLoop]: Abstraction has 1838 states and 1989 transitions. [2022-01-10 21:48:02,963 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 39.0) internal successors, (195), 4 states have internal predecessors, (195), 0 states have call successors, (0), 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 21:48:02,963 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 1989 transitions. [2022-01-10 21:48:02,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2022-01-10 21:48:02,968 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 21:48:02,968 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 21:48:02,968 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-01-10 21:48:02,968 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 21:48:02,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 21:48:02,969 INFO L85 PathProgramCache]: Analyzing trace with hash 429891016, now seen corresponding path program 1 times [2022-01-10 21:48:02,969 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 21:48:02,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524489251] [2022-01-10 21:48:02,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 21:48:02,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 21:48:03,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 21:48:03,240 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 163 proven. 0 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2022-01-10 21:48:03,241 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 21:48:03,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524489251] [2022-01-10 21:48:03,241 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524489251] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 21:48:03,241 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 21:48:03,241 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 21:48:03,241 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214752081] [2022-01-10 21:48:03,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 21:48:03,242 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 21:48:03,242 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 21:48:03,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 21:48:03,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-10 21:48:03,243 INFO L87 Difference]: Start difference. First operand 1838 states and 1989 transitions. Second operand has 4 states, 4 states have (on average 48.75) internal successors, (195), 3 states have internal predecessors, (195), 0 states have call successors, (0), 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 21:48:03,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 21:48:03,652 INFO L93 Difference]: Finished difference Result 3621 states and 3923 transitions. [2022-01-10 21:48:03,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-10 21:48:03,652 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 48.75) internal successors, (195), 3 states have internal predecessors, (195), 0 states have call successors, (0), 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 296 [2022-01-10 21:48:03,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 21:48:03,653 INFO L225 Difference]: With dead ends: 3621 [2022-01-10 21:48:03,653 INFO L226 Difference]: Without dead ends: 0 [2022-01-10 21:48:03,655 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 21:48:03,656 INFO L933 BasicCegarLoop]: 9 mSDtfsCounter, 116 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 422 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 422 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-10 21:48:03,656 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [116 Valid, 14 Invalid, 430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 422 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-10 21:48:03,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-10 21:48:03,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-10 21:48:03,657 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 21:48:03,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-10 21:48:03,657 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 296 [2022-01-10 21:48:03,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 21:48:03,657 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-10 21:48:03,657 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 48.75) internal successors, (195), 3 states have internal predecessors, (195), 0 states have call successors, (0), 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 21:48:03,657 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-10 21:48:03,657 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-10 21:48:03,660 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 21:48:03,660 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-01-10 21:48:03,661 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-10 21:48:04,347 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-10 21:48:04,347 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-10 21:48:04,348 INFO L854 garLoopResultBuilder]: At program point L593-2(lines 593 603) the Hoare annotation is: (let ((.cse9 (= ~a8~0Int 13))) (let ((.cse2 (not (= ~a21~0Int 1))) (.cse4 (not (= ~a7~0Int 1))) (.cse0 (<= ~a16~0Int 5)) (.cse7 (not .cse9)) (.cse5 (= ~a17~0Int 1)) (.cse3 (= ~a16~0Int 4)) (.cse6 (= ~a20~0Int 1)) (.cse1 (= ~a12~0Int 8))) (or (and .cse0 .cse1 .cse2) (and (<= ~a17~0Int 0) (<= ~a7~0Int 0) .cse3 .cse1) (and .cse4 .cse5 .cse6 .cse1) (and .cse7 (<= 5 ~a16~0Int) .cse6 .cse1) (and .cse4 .cse7 .cse1) (and .cse6 .cse1 .cse2) (and (let ((.cse8 (not .cse6))) (or (and .cse8 .cse0 .cse4) (and .cse8 .cse0 .cse7))) .cse1) (and .cse5 .cse3 .cse6 .cse9 .cse1)))) [2022-01-10 21:48:04,348 INFO L861 garLoopResultBuilder]: At program point L587(lines 587 604) the Hoare annotation is: true [2022-01-10 21:48:04,348 INFO L858 garLoopResultBuilder]: For program point L598(line 598) no Hoare annotation was computed. [2022-01-10 21:48:04,348 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-10 21:48:04,348 INFO L858 garLoopResultBuilder]: For program point L41(lines 41 400) no Hoare annotation was computed. [2022-01-10 21:48:04,348 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-10 21:48:04,348 INFO L854 garLoopResultBuilder]: At program point L584(lines 40 585) the Hoare annotation is: (let ((.cse9 (= ~a8~0Int 13))) (let ((.cse2 (not (= ~a21~0Int 1))) (.cse4 (not (= ~a7~0Int 1))) (.cse0 (<= ~a16~0Int 5)) (.cse7 (not .cse9)) (.cse5 (= ~a17~0Int 1)) (.cse3 (= ~a16~0Int 4)) (.cse6 (= ~a20~0Int 1)) (.cse1 (= ~a12~0Int 8))) (or (and .cse0 .cse1 .cse2) (and (<= ~a17~0Int 0) (<= ~a7~0Int 0) .cse3 .cse1) (and .cse4 .cse5 .cse6 .cse1) (and .cse7 (<= 5 ~a16~0Int) .cse6 .cse1) (and .cse4 .cse7 .cse1) (and .cse6 .cse1 .cse2) (and (let ((.cse8 (not .cse6))) (or (and .cse8 .cse0 .cse4) (and .cse8 .cse0 .cse7))) .cse1) (and .cse5 .cse3 .cse6 .cse9 .cse1)))) [2022-01-10 21:48:04,348 INFO L858 garLoopResultBuilder]: For program point L45(lines 45 400) no Hoare annotation was computed. [2022-01-10 21:48:04,348 INFO L858 garLoopResultBuilder]: For program point L53(lines 53 400) no Hoare annotation was computed. [2022-01-10 21:48:04,349 INFO L858 garLoopResultBuilder]: For program point L59(lines 59 400) no Hoare annotation was computed. [2022-01-10 21:48:04,349 INFO L858 garLoopResultBuilder]: For program point L64(lines 64 400) no Hoare annotation was computed. [2022-01-10 21:48:04,349 INFO L858 garLoopResultBuilder]: For program point L72(lines 72 400) no Hoare annotation was computed. [2022-01-10 21:48:04,349 INFO L858 garLoopResultBuilder]: For program point L75(lines 75 400) no Hoare annotation was computed. [2022-01-10 21:48:04,349 INFO L858 garLoopResultBuilder]: For program point L82(lines 82 400) no Hoare annotation was computed. [2022-01-10 21:48:04,349 INFO L858 garLoopResultBuilder]: For program point L90(lines 90 400) no Hoare annotation was computed. [2022-01-10 21:48:04,349 INFO L858 garLoopResultBuilder]: For program point L94(lines 94 400) no Hoare annotation was computed. [2022-01-10 21:48:04,349 INFO L858 garLoopResultBuilder]: For program point L102(lines 102 400) no Hoare annotation was computed. [2022-01-10 21:48:04,349 INFO L858 garLoopResultBuilder]: For program point L107(lines 107 400) no Hoare annotation was computed. [2022-01-10 21:48:04,349 INFO L858 garLoopResultBuilder]: For program point L112(lines 112 400) no Hoare annotation was computed. [2022-01-10 21:48:04,349 INFO L858 garLoopResultBuilder]: For program point L118(lines 118 400) no Hoare annotation was computed. [2022-01-10 21:48:04,350 INFO L858 garLoopResultBuilder]: For program point L124(lines 124 400) no Hoare annotation was computed. [2022-01-10 21:48:04,350 INFO L858 garLoopResultBuilder]: For program point L129(lines 129 400) no Hoare annotation was computed. [2022-01-10 21:48:04,350 INFO L858 garLoopResultBuilder]: For program point L134(lines 134 400) no Hoare annotation was computed. [2022-01-10 21:48:04,350 INFO L858 garLoopResultBuilder]: For program point L139(lines 139 400) no Hoare annotation was computed. [2022-01-10 21:48:04,350 INFO L858 garLoopResultBuilder]: For program point L146(lines 146 400) no Hoare annotation was computed. [2022-01-10 21:48:04,350 INFO L858 garLoopResultBuilder]: For program point L150(lines 150 400) no Hoare annotation was computed. [2022-01-10 21:48:04,350 INFO L858 garLoopResultBuilder]: For program point L154(lines 154 400) no Hoare annotation was computed. [2022-01-10 21:48:04,350 INFO L858 garLoopResultBuilder]: For program point L158(lines 158 400) no Hoare annotation was computed. [2022-01-10 21:48:04,350 INFO L858 garLoopResultBuilder]: For program point L162(lines 162 400) no Hoare annotation was computed. [2022-01-10 21:48:04,350 INFO L858 garLoopResultBuilder]: For program point L170(lines 170 400) no Hoare annotation was computed. [2022-01-10 21:48:04,351 INFO L858 garLoopResultBuilder]: For program point L175(lines 175 400) no Hoare annotation was computed. [2022-01-10 21:48:04,351 INFO L858 garLoopResultBuilder]: For program point L183(lines 183 400) no Hoare annotation was computed. [2022-01-10 21:48:04,351 INFO L858 garLoopResultBuilder]: For program point L188(lines 188 400) no Hoare annotation was computed. [2022-01-10 21:48:04,351 INFO L858 garLoopResultBuilder]: For program point L196(lines 196 400) no Hoare annotation was computed. [2022-01-10 21:48:04,351 INFO L858 garLoopResultBuilder]: For program point L199(lines 199 400) no Hoare annotation was computed. [2022-01-10 21:48:04,351 INFO L858 garLoopResultBuilder]: For program point L204(lines 204 400) no Hoare annotation was computed. [2022-01-10 21:48:04,351 INFO L858 garLoopResultBuilder]: For program point L207(lines 207 400) no Hoare annotation was computed. [2022-01-10 21:48:04,351 INFO L858 garLoopResultBuilder]: For program point L213(lines 213 400) no Hoare annotation was computed. [2022-01-10 21:48:04,351 INFO L858 garLoopResultBuilder]: For program point L218(lines 218 400) no Hoare annotation was computed. [2022-01-10 21:48:04,351 INFO L858 garLoopResultBuilder]: For program point L224(lines 224 400) no Hoare annotation was computed. [2022-01-10 21:48:04,351 INFO L858 garLoopResultBuilder]: For program point L228(lines 228 400) no Hoare annotation was computed. [2022-01-10 21:48:04,352 INFO L858 garLoopResultBuilder]: For program point L233(lines 233 400) no Hoare annotation was computed. [2022-01-10 21:48:04,352 INFO L858 garLoopResultBuilder]: For program point L241(lines 241 400) no Hoare annotation was computed. [2022-01-10 21:48:04,352 INFO L858 garLoopResultBuilder]: For program point L248(lines 248 400) no Hoare annotation was computed. [2022-01-10 21:48:04,352 INFO L858 garLoopResultBuilder]: For program point L255(lines 255 400) no Hoare annotation was computed. [2022-01-10 21:48:04,352 INFO L858 garLoopResultBuilder]: For program point L260(lines 260 400) no Hoare annotation was computed. [2022-01-10 21:48:04,352 INFO L858 garLoopResultBuilder]: For program point L266(lines 266 400) no Hoare annotation was computed. [2022-01-10 21:48:04,352 INFO L858 garLoopResultBuilder]: For program point L271(lines 271 400) no Hoare annotation was computed. [2022-01-10 21:48:04,352 INFO L858 garLoopResultBuilder]: For program point L275(lines 275 400) no Hoare annotation was computed. [2022-01-10 21:48:04,352 INFO L858 garLoopResultBuilder]: For program point L278(lines 278 400) no Hoare annotation was computed. [2022-01-10 21:48:04,352 INFO L858 garLoopResultBuilder]: For program point L283(lines 283 400) no Hoare annotation was computed. [2022-01-10 21:48:04,352 INFO L858 garLoopResultBuilder]: For program point L288(lines 288 400) no Hoare annotation was computed. [2022-01-10 21:48:04,352 INFO L858 garLoopResultBuilder]: For program point L296(lines 296 400) no Hoare annotation was computed. [2022-01-10 21:48:04,353 INFO L858 garLoopResultBuilder]: For program point L302(lines 302 400) no Hoare annotation was computed. [2022-01-10 21:48:04,353 INFO L858 garLoopResultBuilder]: For program point L309(lines 309 400) no Hoare annotation was computed. [2022-01-10 21:48:04,353 INFO L858 garLoopResultBuilder]: For program point L316(lines 316 400) no Hoare annotation was computed. [2022-01-10 21:48:04,353 INFO L858 garLoopResultBuilder]: For program point L322(lines 322 400) no Hoare annotation was computed. [2022-01-10 21:48:04,353 INFO L858 garLoopResultBuilder]: For program point L326(lines 326 400) no Hoare annotation was computed. [2022-01-10 21:48:04,353 INFO L858 garLoopResultBuilder]: For program point L328(lines 328 400) no Hoare annotation was computed. [2022-01-10 21:48:04,353 INFO L858 garLoopResultBuilder]: For program point L334(lines 334 400) no Hoare annotation was computed. [2022-01-10 21:48:04,353 INFO L858 garLoopResultBuilder]: For program point L339(lines 339 400) no Hoare annotation was computed. [2022-01-10 21:48:04,353 INFO L858 garLoopResultBuilder]: For program point L343(lines 343 400) no Hoare annotation was computed. [2022-01-10 21:48:04,353 INFO L858 garLoopResultBuilder]: For program point L347(lines 347 400) no Hoare annotation was computed. [2022-01-10 21:48:04,353 INFO L858 garLoopResultBuilder]: For program point L355(lines 355 400) no Hoare annotation was computed. [2022-01-10 21:48:04,353 INFO L858 garLoopResultBuilder]: For program point L363(lines 363 400) no Hoare annotation was computed. [2022-01-10 21:48:04,354 INFO L858 garLoopResultBuilder]: For program point L365(lines 365 400) no Hoare annotation was computed. [2022-01-10 21:48:04,354 INFO L858 garLoopResultBuilder]: For program point L371(lines 371 400) no Hoare annotation was computed. [2022-01-10 21:48:04,354 INFO L858 garLoopResultBuilder]: For program point L373(lines 373 400) no Hoare annotation was computed. [2022-01-10 21:48:04,354 INFO L858 garLoopResultBuilder]: For program point L375(lines 375 400) no Hoare annotation was computed. [2022-01-10 21:48:04,354 INFO L858 garLoopResultBuilder]: For program point L382(lines 382 400) no Hoare annotation was computed. [2022-01-10 21:48:04,354 INFO L858 garLoopResultBuilder]: For program point L387(lines 387 400) no Hoare annotation was computed. [2022-01-10 21:48:04,354 INFO L858 garLoopResultBuilder]: For program point L392(lines 392 400) no Hoare annotation was computed. [2022-01-10 21:48:04,354 INFO L858 garLoopResultBuilder]: For program point L401(lines 401 403) no Hoare annotation was computed. [2022-01-10 21:48:04,354 INFO L858 garLoopResultBuilder]: For program point L402(line 402) no Hoare annotation was computed. [2022-01-10 21:48:04,355 INFO L858 garLoopResultBuilder]: For program point L401-2(lines 40 585) no Hoare annotation was computed. [2022-01-10 21:48:04,355 INFO L858 garLoopResultBuilder]: For program point L405(line 405) no Hoare annotation was computed. [2022-01-10 21:48:04,355 INFO L858 garLoopResultBuilder]: For program point L404-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 21:48:04,355 INFO L858 garLoopResultBuilder]: For program point L408(line 408) no Hoare annotation was computed. [2022-01-10 21:48:04,355 INFO L858 garLoopResultBuilder]: For program point L407-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 21:48:04,355 INFO L858 garLoopResultBuilder]: For program point L411(line 411) no Hoare annotation was computed. [2022-01-10 21:48:04,355 INFO L858 garLoopResultBuilder]: For program point L410-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 21:48:04,355 INFO L858 garLoopResultBuilder]: For program point L414(line 414) no Hoare annotation was computed. [2022-01-10 21:48:04,355 INFO L858 garLoopResultBuilder]: For program point L413-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 21:48:04,355 INFO L858 garLoopResultBuilder]: For program point L417(line 417) no Hoare annotation was computed. [2022-01-10 21:48:04,355 INFO L858 garLoopResultBuilder]: For program point L416-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 21:48:04,355 INFO L858 garLoopResultBuilder]: For program point L420(line 420) no Hoare annotation was computed. [2022-01-10 21:48:04,356 INFO L858 garLoopResultBuilder]: For program point L419-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 21:48:04,356 INFO L858 garLoopResultBuilder]: For program point L423(line 423) no Hoare annotation was computed. [2022-01-10 21:48:04,356 INFO L858 garLoopResultBuilder]: For program point L422-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 21:48:04,356 INFO L858 garLoopResultBuilder]: For program point L426(line 426) no Hoare annotation was computed. [2022-01-10 21:48:04,356 INFO L858 garLoopResultBuilder]: For program point L425-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 21:48:04,357 INFO L858 garLoopResultBuilder]: For program point L429(line 429) no Hoare annotation was computed. [2022-01-10 21:48:04,357 INFO L858 garLoopResultBuilder]: For program point L428-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 21:48:04,357 INFO L858 garLoopResultBuilder]: For program point L432(line 432) no Hoare annotation was computed. [2022-01-10 21:48:04,357 INFO L858 garLoopResultBuilder]: For program point L431-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 21:48:04,357 INFO L858 garLoopResultBuilder]: For program point L435(line 435) no Hoare annotation was computed. [2022-01-10 21:48:04,357 INFO L858 garLoopResultBuilder]: For program point L434-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 21:48:04,357 INFO L858 garLoopResultBuilder]: For program point L438(line 438) no Hoare annotation was computed. [2022-01-10 21:48:04,357 INFO L858 garLoopResultBuilder]: For program point L437-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 21:48:04,357 INFO L858 garLoopResultBuilder]: For program point L441(line 441) no Hoare annotation was computed. [2022-01-10 21:48:04,357 INFO L858 garLoopResultBuilder]: For program point L440-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 21:48:04,357 INFO L858 garLoopResultBuilder]: For program point L444(line 444) no Hoare annotation was computed. [2022-01-10 21:48:04,358 INFO L858 garLoopResultBuilder]: For program point L443-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 21:48:04,358 INFO L858 garLoopResultBuilder]: For program point L447(line 447) no Hoare annotation was computed. [2022-01-10 21:48:04,358 INFO L858 garLoopResultBuilder]: For program point L446-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 21:48:04,358 INFO L858 garLoopResultBuilder]: For program point L450(line 450) no Hoare annotation was computed. [2022-01-10 21:48:04,358 INFO L858 garLoopResultBuilder]: For program point L449-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 21:48:04,359 INFO L858 garLoopResultBuilder]: For program point L453(line 453) no Hoare annotation was computed. [2022-01-10 21:48:04,359 INFO L858 garLoopResultBuilder]: For program point L452-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 21:48:04,359 INFO L858 garLoopResultBuilder]: For program point L456(line 456) no Hoare annotation was computed. [2022-01-10 21:48:04,360 INFO L858 garLoopResultBuilder]: For program point L455-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 21:48:04,360 INFO L858 garLoopResultBuilder]: For program point L459(line 459) no Hoare annotation was computed. [2022-01-10 21:48:04,360 INFO L858 garLoopResultBuilder]: For program point L458-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 21:48:04,360 INFO L858 garLoopResultBuilder]: For program point L462(line 462) no Hoare annotation was computed. [2022-01-10 21:48:04,360 INFO L858 garLoopResultBuilder]: For program point L461-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 21:48:04,360 INFO L858 garLoopResultBuilder]: For program point L465(line 465) no Hoare annotation was computed. [2022-01-10 21:48:04,360 INFO L858 garLoopResultBuilder]: For program point L464-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 21:48:04,360 INFO L858 garLoopResultBuilder]: For program point L468(line 468) no Hoare annotation was computed. [2022-01-10 21:48:04,360 INFO L858 garLoopResultBuilder]: For program point L467-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 21:48:04,360 INFO L858 garLoopResultBuilder]: For program point L471(line 471) no Hoare annotation was computed. [2022-01-10 21:48:04,360 INFO L858 garLoopResultBuilder]: For program point L470-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 21:48:04,360 INFO L858 garLoopResultBuilder]: For program point L474(line 474) no Hoare annotation was computed. [2022-01-10 21:48:04,361 INFO L858 garLoopResultBuilder]: For program point L473-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 21:48:04,361 INFO L858 garLoopResultBuilder]: For program point L477(line 477) no Hoare annotation was computed. [2022-01-10 21:48:04,361 INFO L858 garLoopResultBuilder]: For program point L476-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 21:48:04,361 INFO L858 garLoopResultBuilder]: For program point L480(line 480) no Hoare annotation was computed. [2022-01-10 21:48:04,361 INFO L858 garLoopResultBuilder]: For program point L479-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 21:48:04,362 INFO L858 garLoopResultBuilder]: For program point L483(line 483) no Hoare annotation was computed. [2022-01-10 21:48:04,362 INFO L858 garLoopResultBuilder]: For program point L482-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 21:48:04,362 INFO L858 garLoopResultBuilder]: For program point L486(line 486) no Hoare annotation was computed. [2022-01-10 21:48:04,362 INFO L858 garLoopResultBuilder]: For program point L485-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 21:48:04,362 INFO L858 garLoopResultBuilder]: For program point L489(line 489) no Hoare annotation was computed. [2022-01-10 21:48:04,362 INFO L858 garLoopResultBuilder]: For program point L488-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 21:48:04,362 INFO L858 garLoopResultBuilder]: For program point L492(line 492) no Hoare annotation was computed. [2022-01-10 21:48:04,362 INFO L858 garLoopResultBuilder]: For program point L491-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 21:48:04,362 INFO L858 garLoopResultBuilder]: For program point L495(line 495) no Hoare annotation was computed. [2022-01-10 21:48:04,363 INFO L858 garLoopResultBuilder]: For program point L494-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 21:48:04,363 INFO L858 garLoopResultBuilder]: For program point L498(line 498) no Hoare annotation was computed. [2022-01-10 21:48:04,363 INFO L858 garLoopResultBuilder]: For program point L497-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 21:48:04,363 INFO L858 garLoopResultBuilder]: For program point L501(line 501) no Hoare annotation was computed. [2022-01-10 21:48:04,363 INFO L858 garLoopResultBuilder]: For program point L500-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 21:48:04,363 INFO L858 garLoopResultBuilder]: For program point L504(line 504) no Hoare annotation was computed. [2022-01-10 21:48:04,363 INFO L858 garLoopResultBuilder]: For program point L503-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 21:48:04,365 INFO L858 garLoopResultBuilder]: For program point L507(line 507) no Hoare annotation was computed. [2022-01-10 21:48:04,365 INFO L858 garLoopResultBuilder]: For program point L506-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 21:48:04,365 INFO L858 garLoopResultBuilder]: For program point L510(line 510) no Hoare annotation was computed. [2022-01-10 21:48:04,365 INFO L858 garLoopResultBuilder]: For program point L509-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 21:48:04,365 INFO L858 garLoopResultBuilder]: For program point L513(line 513) no Hoare annotation was computed. [2022-01-10 21:48:04,365 INFO L858 garLoopResultBuilder]: For program point L512-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 21:48:04,365 INFO L858 garLoopResultBuilder]: For program point L516(line 516) no Hoare annotation was computed. [2022-01-10 21:48:04,365 INFO L858 garLoopResultBuilder]: For program point L515-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 21:48:04,365 INFO L858 garLoopResultBuilder]: For program point L519(line 519) no Hoare annotation was computed. [2022-01-10 21:48:04,365 INFO L858 garLoopResultBuilder]: For program point L518-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 21:48:04,366 INFO L858 garLoopResultBuilder]: For program point L522(line 522) no Hoare annotation was computed. [2022-01-10 21:48:04,366 INFO L858 garLoopResultBuilder]: For program point L521-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 21:48:04,366 INFO L858 garLoopResultBuilder]: For program point L525(line 525) no Hoare annotation was computed. [2022-01-10 21:48:04,366 INFO L858 garLoopResultBuilder]: For program point L524-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 21:48:04,366 INFO L858 garLoopResultBuilder]: For program point L528(line 528) no Hoare annotation was computed. [2022-01-10 21:48:04,366 INFO L858 garLoopResultBuilder]: For program point L527-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 21:48:04,366 INFO L858 garLoopResultBuilder]: For program point L531(line 531) no Hoare annotation was computed. [2022-01-10 21:48:04,366 INFO L858 garLoopResultBuilder]: For program point L530-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 21:48:04,366 INFO L858 garLoopResultBuilder]: For program point L534(line 534) no Hoare annotation was computed. [2022-01-10 21:48:04,366 INFO L858 garLoopResultBuilder]: For program point L533-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 21:48:04,366 INFO L858 garLoopResultBuilder]: For program point L537(line 537) no Hoare annotation was computed. [2022-01-10 21:48:04,366 INFO L858 garLoopResultBuilder]: For program point L536-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 21:48:04,366 INFO L858 garLoopResultBuilder]: For program point L540(line 540) no Hoare annotation was computed. [2022-01-10 21:48:04,366 INFO L858 garLoopResultBuilder]: For program point L539-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 21:48:04,367 INFO L858 garLoopResultBuilder]: For program point L543(line 543) no Hoare annotation was computed. [2022-01-10 21:48:04,367 INFO L858 garLoopResultBuilder]: For program point L542-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 21:48:04,367 INFO L858 garLoopResultBuilder]: For program point L546(line 546) no Hoare annotation was computed. [2022-01-10 21:48:04,367 INFO L858 garLoopResultBuilder]: For program point L545-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 21:48:04,367 INFO L858 garLoopResultBuilder]: For program point L549(line 549) no Hoare annotation was computed. [2022-01-10 21:48:04,367 INFO L858 garLoopResultBuilder]: For program point L548-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 21:48:04,367 INFO L858 garLoopResultBuilder]: For program point L552(line 552) no Hoare annotation was computed. [2022-01-10 21:48:04,367 INFO L858 garLoopResultBuilder]: For program point L551-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 21:48:04,367 INFO L858 garLoopResultBuilder]: For program point L555(line 555) no Hoare annotation was computed. [2022-01-10 21:48:04,367 INFO L858 garLoopResultBuilder]: For program point L554-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 21:48:04,367 INFO L858 garLoopResultBuilder]: For program point L558(line 558) no Hoare annotation was computed. [2022-01-10 21:48:04,367 INFO L858 garLoopResultBuilder]: For program point L557-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 21:48:04,367 INFO L858 garLoopResultBuilder]: For program point L561(line 561) no Hoare annotation was computed. [2022-01-10 21:48:04,368 INFO L858 garLoopResultBuilder]: For program point L560-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 21:48:04,368 INFO L858 garLoopResultBuilder]: For program point L564(line 564) no Hoare annotation was computed. [2022-01-10 21:48:04,368 INFO L858 garLoopResultBuilder]: For program point L563-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 21:48:04,368 INFO L858 garLoopResultBuilder]: For program point L567(line 567) no Hoare annotation was computed. [2022-01-10 21:48:04,368 INFO L858 garLoopResultBuilder]: For program point L566-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 21:48:04,368 INFO L858 garLoopResultBuilder]: For program point L570(line 570) no Hoare annotation was computed. [2022-01-10 21:48:04,368 INFO L858 garLoopResultBuilder]: For program point L569-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 21:48:04,368 INFO L858 garLoopResultBuilder]: For program point L573(line 573) no Hoare annotation was computed. [2022-01-10 21:48:04,368 INFO L858 garLoopResultBuilder]: For program point L572-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 21:48:04,368 INFO L858 garLoopResultBuilder]: For program point L576(line 576) no Hoare annotation was computed. [2022-01-10 21:48:04,368 INFO L858 garLoopResultBuilder]: For program point L575-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 21:48:04,368 INFO L858 garLoopResultBuilder]: For program point L579(line 579) no Hoare annotation was computed. [2022-01-10 21:48:04,368 INFO L858 garLoopResultBuilder]: For program point L578-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 21:48:04,369 INFO L858 garLoopResultBuilder]: For program point L582(line 582) no Hoare annotation was computed. [2022-01-10 21:48:04,369 INFO L858 garLoopResultBuilder]: For program point L581-1(lines 581 583) no Hoare annotation was computed. [2022-01-10 21:48:04,369 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 582) no Hoare annotation was computed. [2022-01-10 21:48:04,373 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 21:48:04,375 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 21:48:04,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 09:48:04 BasicIcfg [2022-01-10 21:48:04,411 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 21:48:04,411 INFO L158 Benchmark]: Toolchain (without parser) took 12448.78ms. Allocated memory was 200.3MB in the beginning and 381.7MB in the end (delta: 181.4MB). Free memory was 140.8MB in the beginning and 274.5MB in the end (delta: -133.6MB). Peak memory consumption was 204.8MB. Max. memory is 8.0GB. [2022-01-10 21:48:04,411 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 200.3MB. Free memory was 158.9MB in the beginning and 158.8MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 21:48:04,412 INFO L158 Benchmark]: CACSL2BoogieTranslator took 464.85ms. Allocated memory is still 200.3MB. Free memory was 140.7MB in the beginning and 151.2MB in the end (delta: -10.6MB). Peak memory consumption was 12.9MB. Max. memory is 8.0GB. [2022-01-10 21:48:04,412 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.89ms. Allocated memory is still 200.3MB. Free memory was 150.7MB in the beginning and 145.0MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2022-01-10 21:48:04,412 INFO L158 Benchmark]: Boogie Preprocessor took 44.47ms. Allocated memory is still 200.3MB. Free memory was 145.0MB in the beginning and 140.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-01-10 21:48:04,412 INFO L158 Benchmark]: RCFGBuilder took 1063.38ms. Allocated memory is still 200.3MB. Free memory was 140.8MB in the beginning and 80.5MB in the end (delta: 60.3MB). Peak memory consumption was 59.8MB. Max. memory is 8.0GB. [2022-01-10 21:48:04,412 INFO L158 Benchmark]: IcfgTransformer took 365.02ms. Allocated memory was 200.3MB in the beginning and 281.0MB in the end (delta: 80.7MB). Free memory was 80.5MB in the beginning and 230.4MB in the end (delta: -150.0MB). Peak memory consumption was 43.5MB. Max. memory is 8.0GB. [2022-01-10 21:48:04,413 INFO L158 Benchmark]: TraceAbstraction took 10424.96ms. Allocated memory was 281.0MB in the beginning and 381.7MB in the end (delta: 100.7MB). Free memory was 229.9MB in the beginning and 274.5MB in the end (delta: -44.6MB). Peak memory consumption was 212.3MB. Max. memory is 8.0GB. [2022-01-10 21:48:04,414 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 200.3MB. Free memory was 158.9MB in the beginning and 158.8MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 464.85ms. Allocated memory is still 200.3MB. Free memory was 140.7MB in the beginning and 151.2MB in the end (delta: -10.6MB). Peak memory consumption was 12.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 76.89ms. Allocated memory is still 200.3MB. Free memory was 150.7MB in the beginning and 145.0MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 44.47ms. Allocated memory is still 200.3MB. Free memory was 145.0MB in the beginning and 140.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 1063.38ms. Allocated memory is still 200.3MB. Free memory was 140.8MB in the beginning and 80.5MB in the end (delta: 60.3MB). Peak memory consumption was 59.8MB. Max. memory is 8.0GB. * IcfgTransformer took 365.02ms. Allocated memory was 200.3MB in the beginning and 281.0MB in the end (delta: 80.7MB). Free memory was 80.5MB in the beginning and 230.4MB in the end (delta: -150.0MB). Peak memory consumption was 43.5MB. Max. memory is 8.0GB. * TraceAbstraction took 10424.96ms. Allocated memory was 281.0MB in the beginning and 381.7MB in the end (delta: 100.7MB). Free memory was 229.9MB in the beginning and 274.5MB in the end (delta: -44.6MB). Peak memory consumption was 212.3MB. 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: 582]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 198 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.3s, OverallIterations: 12, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 7.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2065 SdHoareTripleChecker+Valid, 6.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2065 mSDsluCounter, 794 SdHoareTripleChecker+Invalid, 5.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 97 mSDsCounter, 881 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5336 IncrementalHoareTripleChecker+Invalid, 6217 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 881 mSolverCounterUnsat, 697 mSDtfsCounter, 5336 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 41 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1969occurred in iteration=9, InterpolantAutomatonStates: 45, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 12 MinimizatonAttempts, 1572 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 36 NumberOfFragments, 243 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1388 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 2730 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 2290 NumberOfCodeBlocks, 2290 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2278 ConstructedInterpolants, 0 QuantifiedInterpolants, 16900 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 1134/1134 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: (((((((((8bv32 == a12 && ~bvule32(a7, 0bv32)) && 4bv32 == a16) && ~bvule32(a17, 0bv32)) || ((1bv32 == a20 && 8bv32 == a12) && !(1bv32 == a21))) || (((1bv32 == a20 && 8bv32 == a12) && !(a7 == 1bv32)) && 1bv32 == a17)) || ((8bv32 == a12 && !(a7 == 1bv32)) && !(a8 == 13bv32))) || ((((1bv32 == a20 && 8bv32 == a12) && 4bv32 == a16) && 1bv32 == a17) && a8 == 13bv32)) || ((8bv32 == a12 && ~bvule32(a16, 5bv32)) && !(1bv32 == a21))) || (8bv32 == a12 && (((!(a7 == 1bv32) && !(1bv32 == a20)) && ~bvule32(a16, 5bv32)) || ((!(a8 == 13bv32) && !(1bv32 == a20)) && ~bvule32(a16, 5bv32))))) || (((1bv32 == a20 && 8bv32 == a12) && !(a8 == 13bv32)) && ~bvule32(5bv32, a16)) - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: (((((((((8bv32 == a12 && ~bvule32(a7, 0bv32)) && 4bv32 == a16) && ~bvule32(a17, 0bv32)) || ((1bv32 == a20 && 8bv32 == a12) && !(1bv32 == a21))) || (((1bv32 == a20 && 8bv32 == a12) && !(a7 == 1bv32)) && 1bv32 == a17)) || ((8bv32 == a12 && !(a7 == 1bv32)) && !(a8 == 13bv32))) || ((((1bv32 == a20 && 8bv32 == a12) && 4bv32 == a16) && 1bv32 == a17) && a8 == 13bv32)) || ((8bv32 == a12 && ~bvule32(a16, 5bv32)) && !(1bv32 == a21))) || (8bv32 == a12 && (((!(a7 == 1bv32) && !(1bv32 == a20)) && ~bvule32(a16, 5bv32)) || ((!(a8 == 13bv32) && !(1bv32 == a20)) && ~bvule32(a16, 5bv32))))) || (((1bv32 == a20 && 8bv32 == a12) && !(a8 == 13bv32)) && ~bvule32(5bv32, a16)) RESULT: Ultimate proved your program to be correct! [2022-01-10 21:48:04,466 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...