/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCInlineTransformed.xml -s ../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_LAZY.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label15.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 15:58:44,119 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 15:58:44,120 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 15:58:44,160 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-10 15:58:44,205 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 15:58:44,206 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 15:58:44,206 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 15:58:44,207 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_LAZY.epf [2022-01-10 15:58:44,225 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 15:58:44,226 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 15:58:44,226 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 15:58:44,226 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 15:58:44,227 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 15:58:44,228 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 15:58:44,228 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 15:58:44,228 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 15:58:44,228 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 15:58:44,228 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 15:58:44,229 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 15:58:44,229 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 15:58:44,229 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 15:58:44,229 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 15:58:44,229 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 15:58:44,229 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 15:58:44,229 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 15:58:44,229 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 15:58:44,229 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 15:58:44,229 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 15:58:44,229 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 15:58:44,230 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 15:58:44,230 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 15:58:44,230 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 15:58:44,230 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 15:58:44,230 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-10 15:58:44,230 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-10 15:58:44,230 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 15:58:44,230 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 15:58:44,230 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 15:58:44,230 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-10 15:58:44,231 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 15:58:44,232 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-10 15:58:44,232 INFO L138 SettingsManager]: * TransformationType=BV_TO_INT_LAZY WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 15:58:44,401 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 15:58:44,418 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 15:58:44,420 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 15:58:44,421 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 15:58:44,421 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 15:58:44,422 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label15.c [2022-01-10 15:58:44,480 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b42ad25a4/41138acdf87043128e3222127bbba0e4/FLAG95205cabb [2022-01-10 15:58:44,833 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 15:58:44,834 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label15.c [2022-01-10 15:58:44,849 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b42ad25a4/41138acdf87043128e3222127bbba0e4/FLAG95205cabb [2022-01-10 15:58:45,218 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b42ad25a4/41138acdf87043128e3222127bbba0e4 [2022-01-10 15:58:45,219 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 15:58:45,222 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-10 15:58:45,225 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 15:58:45,225 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 15:58:45,227 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 15:58:45,228 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 03:58:45" (1/1) ... [2022-01-10 15:58:45,228 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43ab52bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:58:45, skipping insertion in model container [2022-01-10 15:58:45,228 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 03:58:45" (1/1) ... [2022-01-10 15:58:45,233 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 15:58:45,303 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 15:58:45,513 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label15.c[20193,20206] [2022-01-10 15:58:45,525 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 15:58:45,546 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 15:58:45,619 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label15.c[20193,20206] [2022-01-10 15:58:45,631 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 15:58:45,642 INFO L208 MainTranslator]: Completed translation [2022-01-10 15:58:45,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:58:45 WrapperNode [2022-01-10 15:58:45,642 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 15:58:45,643 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 15:58:45,643 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 15:58:45,643 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 15:58:45,648 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:58:45" (1/1) ... [2022-01-10 15:58:45,667 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:58:45" (1/1) ... [2022-01-10 15:58:45,707 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 666 [2022-01-10 15:58:45,709 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 15:58:45,710 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 15:58:45,710 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 15:58:45,710 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 15:58:45,716 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:58:45" (1/1) ... [2022-01-10 15:58:45,717 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:58:45" (1/1) ... [2022-01-10 15:58:45,727 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:58:45" (1/1) ... [2022-01-10 15:58:45,728 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:58:45" (1/1) ... [2022-01-10 15:58:45,750 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:58:45" (1/1) ... [2022-01-10 15:58:45,756 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:58:45" (1/1) ... [2022-01-10 15:58:45,759 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:58:45" (1/1) ... [2022-01-10 15:58:45,764 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 15:58:45,764 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 15:58:45,764 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 15:58:45,764 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 15:58:45,765 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:58:45" (1/1) ... [2022-01-10 15:58:45,770 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 15:58:45,780 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 15:58:45,806 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-10 15:58:45,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 15:58:45,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 15:58:45,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 15:58:45,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 15:58:45,818 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-10 15:58:45,910 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 15:58:45,911 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 15:58:46,538 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 15:58:46,544 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 15:58:46,545 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-01-10 15:58:46,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 03:58:46 BoogieIcfgContainer [2022-01-10 15:58:46,546 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 15:58:46,547 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-10 15:58:46,547 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-10 15:58:46,548 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-10 15:58:46,550 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 03:58:46" (1/1) ... [2022-01-10 15:58:46,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 03:58:46 BasicIcfg [2022-01-10 15:58:46,701 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-10 15:58:46,702 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 15:58:46,703 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 15:58:46,705 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 15:58:46,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 03:58:45" (1/4) ... [2022-01-10 15:58:46,705 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8327e99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 03:58:46, skipping insertion in model container [2022-01-10 15:58:46,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:58:45" (2/4) ... [2022-01-10 15:58:46,706 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8327e99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 03:58:46, skipping insertion in model container [2022-01-10 15:58:46,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 03:58:46" (3/4) ... [2022-01-10 15:58:46,706 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8327e99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 03:58:46, skipping insertion in model container [2022-01-10 15:58:46,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 03:58:46" (4/4) ... [2022-01-10 15:58:46,707 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label15.cTransformedIcfg [2022-01-10 15:58:46,710 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 15:58:46,711 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 15:58:46,755 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 15:58:46,759 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-10 15:58:46,759 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 15:58:46,773 INFO L276 IsEmpty]: Start isEmpty. Operand has 227 states, 225 states have (on average 1.6666666666666667) internal successors, (375), 226 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:46,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-01-10 15:58:46,784 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:58:46,785 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] [2022-01-10 15:58:46,785 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:58:46,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:58:46,789 INFO L85 PathProgramCache]: Analyzing trace with hash -1045160629, now seen corresponding path program 1 times [2022-01-10 15:58:46,794 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:58:46,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189377871] [2022-01-10 15:58:46,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:58:46,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:58:46,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:58:47,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 15:58:47,256 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:58:47,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189377871] [2022-01-10 15:58:47,257 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189377871] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:58:47,281 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:58:47,281 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 15:58:47,282 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574562555] [2022-01-10 15:58:47,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:58:47,288 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 15:58:47,289 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:58:47,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 15:58:47,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:58:47,327 INFO L87 Difference]: Start difference. First operand has 227 states, 225 states have (on average 1.6666666666666667) internal successors, (375), 226 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 2 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:47,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:58:47,985 INFO L93 Difference]: Finished difference Result 639 states and 1082 transitions. [2022-01-10 15:58:47,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 15:58:47,987 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 2 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2022-01-10 15:58:47,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:58:47,995 INFO L225 Difference]: With dead ends: 639 [2022-01-10 15:58:47,995 INFO L226 Difference]: Without dead ends: 318 [2022-01-10 15:58:47,998 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:58:48,000 INFO L933 BasicCegarLoop]: 105 mSDtfsCounter, 79 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 463 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 553 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 463 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-10 15:58:48,001 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [79 Valid, 136 Invalid, 553 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 463 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-10 15:58:48,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2022-01-10 15:58:48,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 313. [2022-01-10 15:58:48,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 312 states have (on average 1.4711538461538463) internal successors, (459), 312 states have internal predecessors, (459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:48,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 459 transitions. [2022-01-10 15:58:48,037 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 459 transitions. Word has length 130 [2022-01-10 15:58:48,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:58:48,039 INFO L470 AbstractCegarLoop]: Abstraction has 313 states and 459 transitions. [2022-01-10 15:58:48,039 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 2 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:48,039 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 459 transitions. [2022-01-10 15:58:48,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-01-10 15:58:48,041 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:58:48,041 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 15:58:48,041 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-10 15:58:48,041 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:58:48,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:58:48,042 INFO L85 PathProgramCache]: Analyzing trace with hash 1015976176, now seen corresponding path program 1 times [2022-01-10 15:58:48,042 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:58:48,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766253095] [2022-01-10 15:58:48,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:58:48,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:58:48,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:58:48,207 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 15:58:48,208 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:58:48,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766253095] [2022-01-10 15:58:48,208 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766253095] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:58:48,209 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:58:48,209 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 15:58:48,209 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444030305] [2022-01-10 15:58:48,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:58:48,212 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 15:58:48,212 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:58:48,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 15:58:48,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-10 15:58:48,214 INFO L87 Difference]: Start difference. First operand 313 states and 459 transitions. Second operand has 4 states, 4 states have (on average 33.5) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:48,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:58:48,909 INFO L93 Difference]: Finished difference Result 989 states and 1492 transitions. [2022-01-10 15:58:48,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-10 15:58:48,910 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.5) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 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 134 [2022-01-10 15:58:48,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:58:48,912 INFO L225 Difference]: With dead ends: 989 [2022-01-10 15:58:48,913 INFO L226 Difference]: Without dead ends: 595 [2022-01-10 15:58:48,914 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-10 15:58:48,915 INFO L933 BasicCegarLoop]: 82 mSDtfsCounter, 172 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 664 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 664 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-10 15:58:48,915 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [172 Valid, 118 Invalid, 789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 664 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-10 15:58:48,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 595 states. [2022-01-10 15:58:48,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 595 to 595. [2022-01-10 15:58:48,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 595 states, 594 states have (on average 1.3383838383838385) internal successors, (795), 594 states have internal predecessors, (795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:48,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 595 states and 795 transitions. [2022-01-10 15:58:48,934 INFO L78 Accepts]: Start accepts. Automaton has 595 states and 795 transitions. Word has length 134 [2022-01-10 15:58:48,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:58:48,934 INFO L470 AbstractCegarLoop]: Abstraction has 595 states and 795 transitions. [2022-01-10 15:58:48,934 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.5) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:48,934 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 795 transitions. [2022-01-10 15:58:48,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-01-10 15:58:48,937 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:58:48,937 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 15:58:48,938 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-10 15:58:48,938 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:58:48,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:58:48,938 INFO L85 PathProgramCache]: Analyzing trace with hash 552306524, now seen corresponding path program 1 times [2022-01-10 15:58:48,938 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:58:48,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857957935] [2022-01-10 15:58:48,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:58:48,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:58:48,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:58:48,999 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-01-10 15:58:48,999 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:58:48,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857957935] [2022-01-10 15:58:49,000 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857957935] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:58:49,000 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:58:49,001 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 15:58:49,001 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426061706] [2022-01-10 15:58:49,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:58:49,002 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 15:58:49,002 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:58:49,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 15:58:49,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:58:49,003 INFO L87 Difference]: Start difference. First operand 595 states and 795 transitions. Second operand has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 2 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:49,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:58:49,436 INFO L93 Difference]: Finished difference Result 1753 states and 2346 transitions. [2022-01-10 15:58:49,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 15:58:49,436 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 2 states have internal predecessors, (155), 0 states have call successors, (0), 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 160 [2022-01-10 15:58:49,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:58:49,439 INFO L225 Difference]: With dead ends: 1753 [2022-01-10 15:58:49,439 INFO L226 Difference]: Without dead ends: 1160 [2022-01-10 15:58:49,440 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:58:49,441 INFO L933 BasicCegarLoop]: 111 mSDtfsCounter, 124 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 368 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-10 15:58:49,441 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [124 Valid, 129 Invalid, 445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 368 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-10 15:58:49,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1160 states. [2022-01-10 15:58:49,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1160 to 1157. [2022-01-10 15:58:49,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1157 states, 1156 states have (on average 1.208477508650519) internal successors, (1397), 1156 states have internal predecessors, (1397), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:49,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1157 states to 1157 states and 1397 transitions. [2022-01-10 15:58:49,459 INFO L78 Accepts]: Start accepts. Automaton has 1157 states and 1397 transitions. Word has length 160 [2022-01-10 15:58:49,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:58:49,459 INFO L470 AbstractCegarLoop]: Abstraction has 1157 states and 1397 transitions. [2022-01-10 15:58:49,460 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 2 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:49,460 INFO L276 IsEmpty]: Start isEmpty. Operand 1157 states and 1397 transitions. [2022-01-10 15:58:49,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2022-01-10 15:58:49,462 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:58:49,463 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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] [2022-01-10 15:58:49,463 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-10 15:58:49,463 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:58:49,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:58:49,463 INFO L85 PathProgramCache]: Analyzing trace with hash -423853963, now seen corresponding path program 1 times [2022-01-10 15:58:49,464 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:58:49,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418294975] [2022-01-10 15:58:49,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:58:49,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:58:49,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:58:49,522 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-01-10 15:58:49,522 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:58:49,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418294975] [2022-01-10 15:58:49,522 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418294975] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:58:49,522 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:58:49,522 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 15:58:49,522 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180195779] [2022-01-10 15:58:49,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:58:49,523 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 15:58:49,523 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:58:49,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 15:58:49,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:58:49,523 INFO L87 Difference]: Start difference. First operand 1157 states and 1397 transitions. Second operand has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:49,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:58:49,917 INFO L93 Difference]: Finished difference Result 2885 states and 3530 transitions. [2022-01-10 15:58:49,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 15:58:49,919 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 0 states have call successors, (0), 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 168 [2022-01-10 15:58:49,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:58:49,924 INFO L225 Difference]: With dead ends: 2885 [2022-01-10 15:58:49,924 INFO L226 Difference]: Without dead ends: 1730 [2022-01-10 15:58:49,925 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:58:49,926 INFO L933 BasicCegarLoop]: 227 mSDtfsCounter, 155 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-10 15:58:49,927 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [155 Valid, 252 Invalid, 431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 369 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-10 15:58:49,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1730 states. [2022-01-10 15:58:49,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1730 to 1588. [2022-01-10 15:58:49,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1588 states, 1587 states have (on average 1.1846250787649653) internal successors, (1880), 1587 states have internal predecessors, (1880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:49,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1588 states to 1588 states and 1880 transitions. [2022-01-10 15:58:49,949 INFO L78 Accepts]: Start accepts. Automaton has 1588 states and 1880 transitions. Word has length 168 [2022-01-10 15:58:49,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:58:49,949 INFO L470 AbstractCegarLoop]: Abstraction has 1588 states and 1880 transitions. [2022-01-10 15:58:49,949 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:49,950 INFO L276 IsEmpty]: Start isEmpty. Operand 1588 states and 1880 transitions. [2022-01-10 15:58:49,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-01-10 15:58:49,952 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:58:49,952 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 15:58:49,952 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-10 15:58:49,953 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:58:49,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:58:49,953 INFO L85 PathProgramCache]: Analyzing trace with hash -409028594, now seen corresponding path program 1 times [2022-01-10 15:58:49,953 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:58:49,953 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675448394] [2022-01-10 15:58:49,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:58:49,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:58:50,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:58:50,057 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 15:58:50,057 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:58:50,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675448394] [2022-01-10 15:58:50,058 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675448394] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:58:50,058 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:58:50,058 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 15:58:50,058 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478062773] [2022-01-10 15:58:50,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:58:50,059 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 15:58:50,059 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:58:50,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 15:58:50,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-01-10 15:58:50,059 INFO L87 Difference]: Start difference. First operand 1588 states and 1880 transitions. Second operand has 5 states, 5 states have (on average 34.2) internal successors, (171), 4 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:50,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:58:50,874 INFO L93 Difference]: Finished difference Result 3347 states and 3965 transitions. [2022-01-10 15:58:50,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-10 15:58:50,875 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 34.2) internal successors, (171), 4 states have internal predecessors, (171), 0 states have call successors, (0), 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 171 [2022-01-10 15:58:50,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:58:50,879 INFO L225 Difference]: With dead ends: 3347 [2022-01-10 15:58:50,880 INFO L226 Difference]: Without dead ends: 1761 [2022-01-10 15:58:50,882 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 15:58:50,894 INFO L933 BasicCegarLoop]: 85 mSDtfsCounter, 428 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 831 mSolverCounterSat, 168 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 428 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 999 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 168 IncrementalHoareTripleChecker+Valid, 831 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-10 15:58:50,894 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [428 Valid, 128 Invalid, 999 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [168 Valid, 831 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-10 15:58:50,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1761 states. [2022-01-10 15:58:50,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1761 to 1728. [2022-01-10 15:58:50,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1728 states, 1727 states have (on average 1.1725535610885929) internal successors, (2025), 1727 states have internal predecessors, (2025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:50,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1728 states to 1728 states and 2025 transitions. [2022-01-10 15:58:50,942 INFO L78 Accepts]: Start accepts. Automaton has 1728 states and 2025 transitions. Word has length 171 [2022-01-10 15:58:50,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:58:50,956 INFO L470 AbstractCegarLoop]: Abstraction has 1728 states and 2025 transitions. [2022-01-10 15:58:50,956 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 34.2) internal successors, (171), 4 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:50,959 INFO L276 IsEmpty]: Start isEmpty. Operand 1728 states and 2025 transitions. [2022-01-10 15:58:50,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2022-01-10 15:58:50,967 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:58:50,967 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 15:58:50,967 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-10 15:58:50,967 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:58:50,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:58:50,968 INFO L85 PathProgramCache]: Analyzing trace with hash 1025219075, now seen corresponding path program 1 times [2022-01-10 15:58:50,969 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:58:50,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589295446] [2022-01-10 15:58:50,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:58:50,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:58:51,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:58:51,128 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-01-10 15:58:51,128 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:58:51,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589295446] [2022-01-10 15:58:51,128 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589295446] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:58:51,128 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:58:51,128 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 15:58:51,128 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169178420] [2022-01-10 15:58:51,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:58:51,129 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 15:58:51,129 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:58:51,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 15:58:51,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:58:51,129 INFO L87 Difference]: Start difference. First operand 1728 states and 2025 transitions. Second operand has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:51,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:58:51,584 INFO L93 Difference]: Finished difference Result 4160 states and 4966 transitions. [2022-01-10 15:58:51,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 15:58:51,584 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 0 states have call successors, (0), 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 177 [2022-01-10 15:58:51,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:58:51,590 INFO L225 Difference]: With dead ends: 4160 [2022-01-10 15:58:51,590 INFO L226 Difference]: Without dead ends: 2434 [2022-01-10 15:58:51,592 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:58:51,594 INFO L933 BasicCegarLoop]: 55 mSDtfsCounter, 149 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 349 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-10 15:58:51,595 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [149 Valid, 62 Invalid, 464 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 349 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-10 15:58:51,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2434 states. [2022-01-10 15:58:51,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2434 to 2289. [2022-01-10 15:58:51,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2289 states, 2288 states have (on average 1.2001748251748252) internal successors, (2746), 2288 states have internal predecessors, (2746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:51,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2289 states to 2289 states and 2746 transitions. [2022-01-10 15:58:51,663 INFO L78 Accepts]: Start accepts. Automaton has 2289 states and 2746 transitions. Word has length 177 [2022-01-10 15:58:51,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:58:51,664 INFO L470 AbstractCegarLoop]: Abstraction has 2289 states and 2746 transitions. [2022-01-10 15:58:51,664 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:51,664 INFO L276 IsEmpty]: Start isEmpty. Operand 2289 states and 2746 transitions. [2022-01-10 15:58:51,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-01-10 15:58:51,667 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:58:51,667 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 15:58:51,667 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-10 15:58:51,667 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:58:51,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:58:51,667 INFO L85 PathProgramCache]: Analyzing trace with hash -1262868920, now seen corresponding path program 1 times [2022-01-10 15:58:51,667 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:58:51,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563882621] [2022-01-10 15:58:51,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:58:51,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:58:51,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:58:51,816 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-01-10 15:58:51,816 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:58:51,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563882621] [2022-01-10 15:58:51,816 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563882621] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:58:51,816 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:58:51,816 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 15:58:51,816 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148326933] [2022-01-10 15:58:51,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:58:51,817 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 15:58:51,817 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:58:51,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 15:58:51,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:58:51,817 INFO L87 Difference]: Start difference. First operand 2289 states and 2746 transitions. Second operand has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:52,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:58:52,216 INFO L93 Difference]: Finished difference Result 5694 states and 6881 transitions. [2022-01-10 15:58:52,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 15:58:52,217 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 0 states have call successors, (0), 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 183 [2022-01-10 15:58:52,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:58:52,223 INFO L225 Difference]: With dead ends: 5694 [2022-01-10 15:58:52,223 INFO L226 Difference]: Without dead ends: 2846 [2022-01-10 15:58:52,226 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:58:52,226 INFO L933 BasicCegarLoop]: 251 mSDtfsCounter, 124 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-10 15:58:52,227 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [124 Valid, 271 Invalid, 438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 353 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-10 15:58:52,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2846 states. [2022-01-10 15:58:52,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2846 to 2566. [2022-01-10 15:58:52,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2566 states, 2565 states have (on average 1.1415204678362574) internal successors, (2928), 2565 states have internal predecessors, (2928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:52,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2566 states to 2566 states and 2928 transitions. [2022-01-10 15:58:52,261 INFO L78 Accepts]: Start accepts. Automaton has 2566 states and 2928 transitions. Word has length 183 [2022-01-10 15:58:52,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:58:52,261 INFO L470 AbstractCegarLoop]: Abstraction has 2566 states and 2928 transitions. [2022-01-10 15:58:52,261 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:52,261 INFO L276 IsEmpty]: Start isEmpty. Operand 2566 states and 2928 transitions. [2022-01-10 15:58:52,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2022-01-10 15:58:52,264 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:58:52,264 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 15:58:52,264 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-10 15:58:52,265 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:58:52,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:58:52,265 INFO L85 PathProgramCache]: Analyzing trace with hash -1192656423, now seen corresponding path program 1 times [2022-01-10 15:58:52,265 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:58:52,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779706499] [2022-01-10 15:58:52,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:58:52,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:58:52,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:58:52,363 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 15:58:52,363 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:58:52,363 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779706499] [2022-01-10 15:58:52,363 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779706499] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:58:52,364 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:58:52,364 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 15:58:52,364 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129977487] [2022-01-10 15:58:52,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:58:52,364 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 15:58:52,364 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:58:52,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 15:58:52,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:58:52,365 INFO L87 Difference]: Start difference. First operand 2566 states and 2928 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 15:58:52,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:58:52,780 INFO L93 Difference]: Finished difference Result 6112 states and 7012 transitions. [2022-01-10 15:58:52,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 15:58:52,781 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 192 [2022-01-10 15:58:52,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:58:52,789 INFO L225 Difference]: With dead ends: 6112 [2022-01-10 15:58:52,790 INFO L226 Difference]: Without dead ends: 3548 [2022-01-10 15:58:52,792 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:58:52,793 INFO L933 BasicCegarLoop]: 206 mSDtfsCounter, 142 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-10 15:58:52,793 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [142 Valid, 218 Invalid, 427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 350 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-10 15:58:52,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3548 states. [2022-01-10 15:58:52,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3548 to 3127. [2022-01-10 15:58:52,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3127 states, 3126 states have (on average 1.1282789507357645) internal successors, (3527), 3126 states have internal predecessors, (3527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:52,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3127 states to 3127 states and 3527 transitions. [2022-01-10 15:58:52,836 INFO L78 Accepts]: Start accepts. Automaton has 3127 states and 3527 transitions. Word has length 192 [2022-01-10 15:58:52,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:58:52,836 INFO L470 AbstractCegarLoop]: Abstraction has 3127 states and 3527 transitions. [2022-01-10 15:58:52,836 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 15:58:52,836 INFO L276 IsEmpty]: Start isEmpty. Operand 3127 states and 3527 transitions. [2022-01-10 15:58:52,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2022-01-10 15:58:52,839 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:58:52,840 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-01-10 15:58:52,840 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-01-10 15:58:52,840 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:58:52,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:58:52,840 INFO L85 PathProgramCache]: Analyzing trace with hash -456054908, now seen corresponding path program 1 times [2022-01-10 15:58:52,840 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:58:52,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273602194] [2022-01-10 15:58:52,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:58:52,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:58:52,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:58:52,932 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 15:58:52,932 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:58:52,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273602194] [2022-01-10 15:58:52,933 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273602194] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:58:52,933 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:58:52,933 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 15:58:52,933 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700544862] [2022-01-10 15:58:52,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:58:52,933 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 15:58:52,933 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:58:52,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 15:58:52,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-01-10 15:58:52,934 INFO L87 Difference]: Start difference. First operand 3127 states and 3527 transitions. Second operand has 5 states, 5 states have (on average 40.6) internal successors, (203), 4 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:53,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:58:53,525 INFO L93 Difference]: Finished difference Result 6455 states and 7269 transitions. [2022-01-10 15:58:53,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-10 15:58:53,526 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 40.6) internal successors, (203), 4 states have internal predecessors, (203), 0 states have call successors, (0), 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 203 [2022-01-10 15:58:53,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:58:53,535 INFO L225 Difference]: With dead ends: 6455 [2022-01-10 15:58:53,535 INFO L226 Difference]: Without dead ends: 3044 [2022-01-10 15:58:53,538 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 15:58:53,556 INFO L933 BasicCegarLoop]: 78 mSDtfsCounter, 381 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 837 mSolverCounterSat, 141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 381 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 978 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 837 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-10 15:58:53,556 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [381 Valid, 117 Invalid, 978 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 837 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-10 15:58:53,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3044 states. [2022-01-10 15:58:53,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3044 to 2987. [2022-01-10 15:58:53,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2987 states, 2986 states have (on average 1.0971198928332218) internal successors, (3276), 2986 states have internal predecessors, (3276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:53,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2987 states to 2987 states and 3276 transitions. [2022-01-10 15:58:53,630 INFO L78 Accepts]: Start accepts. Automaton has 2987 states and 3276 transitions. Word has length 203 [2022-01-10 15:58:53,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:58:53,630 INFO L470 AbstractCegarLoop]: Abstraction has 2987 states and 3276 transitions. [2022-01-10 15:58:53,630 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 40.6) internal successors, (203), 4 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:53,630 INFO L276 IsEmpty]: Start isEmpty. Operand 2987 states and 3276 transitions. [2022-01-10 15:58:53,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2022-01-10 15:58:53,633 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:58:53,634 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 15:58:53,634 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-01-10 15:58:53,634 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:58:53,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:58:53,634 INFO L85 PathProgramCache]: Analyzing trace with hash 1867908313, now seen corresponding path program 1 times [2022-01-10 15:58:53,635 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:58:53,635 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552611432] [2022-01-10 15:58:53,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:58:53,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:58:53,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:58:53,835 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 15:58:53,836 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:58:53,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552611432] [2022-01-10 15:58:53,836 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552611432] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:58:53,836 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:58:53,836 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 15:58:53,836 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927837047] [2022-01-10 15:58:53,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:58:53,837 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 15:58:53,837 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:58:53,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 15:58:53,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-01-10 15:58:53,837 INFO L87 Difference]: Start difference. First operand 2987 states and 3276 transitions. Second operand has 6 states, 6 states have (on average 35.833333333333336) internal successors, (215), 5 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:55,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:58:55,207 INFO L93 Difference]: Finished difference Result 7041 states and 7686 transitions. [2022-01-10 15:58:55,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-10 15:58:55,207 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 35.833333333333336) internal successors, (215), 5 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 215 [2022-01-10 15:58:55,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:58:55,216 INFO L225 Difference]: With dead ends: 7041 [2022-01-10 15:58:55,216 INFO L226 Difference]: Without dead ends: 3776 [2022-01-10 15:58:55,220 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-01-10 15:58:55,221 INFO L933 BasicCegarLoop]: 35 mSDtfsCounter, 703 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 1333 mSolverCounterSat, 162 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 703 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 1495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 162 IncrementalHoareTripleChecker+Valid, 1333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-01-10 15:58:55,222 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [703 Valid, 81 Invalid, 1495 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [162 Valid, 1333 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-01-10 15:58:55,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3776 states. [2022-01-10 15:58:55,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3776 to 2839. [2022-01-10 15:58:55,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2839 states, 2838 states have (on average 1.0609584214235377) internal successors, (3011), 2838 states have internal predecessors, (3011), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:55,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2839 states to 2839 states and 3011 transitions. [2022-01-10 15:58:55,262 INFO L78 Accepts]: Start accepts. Automaton has 2839 states and 3011 transitions. Word has length 215 [2022-01-10 15:58:55,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:58:55,262 INFO L470 AbstractCegarLoop]: Abstraction has 2839 states and 3011 transitions. [2022-01-10 15:58:55,262 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 35.833333333333336) internal successors, (215), 5 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:55,262 INFO L276 IsEmpty]: Start isEmpty. Operand 2839 states and 3011 transitions. [2022-01-10 15:58:55,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2022-01-10 15:58:55,268 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:58:55,268 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 15:58:55,268 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-01-10 15:58:55,268 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:58:55,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:58:55,269 INFO L85 PathProgramCache]: Analyzing trace with hash -908524853, now seen corresponding path program 1 times [2022-01-10 15:58:55,269 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:58:55,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033877808] [2022-01-10 15:58:55,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:58:55,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:58:55,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:58:55,453 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-01-10 15:58:55,453 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:58:55,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033877808] [2022-01-10 15:58:55,453 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033877808] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:58:55,453 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:58:55,453 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 15:58:55,453 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649079377] [2022-01-10 15:58:55,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:58:55,454 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 15:58:55,454 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:58:55,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 15:58:55,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-10 15:58:55,455 INFO L87 Difference]: Start difference. First operand 2839 states and 3011 transitions. Second operand has 4 states, 4 states have (on average 50.0) internal successors, (200), 3 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:55,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:58:55,924 INFO L93 Difference]: Finished difference Result 3065 states and 3237 transitions. [2022-01-10 15:58:55,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-10 15:58:55,924 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 50.0) internal successors, (200), 3 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 228 [2022-01-10 15:58:55,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:58:55,929 INFO L225 Difference]: With dead ends: 3065 [2022-01-10 15:58:55,930 INFO L226 Difference]: Without dead ends: 2697 [2022-01-10 15:58:55,930 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-10 15:58:55,931 INFO L933 BasicCegarLoop]: 33 mSDtfsCounter, 137 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-10 15:58:55,931 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [137 Valid, 48 Invalid, 448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 448 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-10 15:58:55,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2697 states. [2022-01-10 15:58:55,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2697 to 2697. [2022-01-10 15:58:55,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2697 states, 2696 states have (on average 1.0578635014836795) internal successors, (2852), 2696 states have internal predecessors, (2852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:55,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2697 states to 2697 states and 2852 transitions. [2022-01-10 15:58:55,957 INFO L78 Accepts]: Start accepts. Automaton has 2697 states and 2852 transitions. Word has length 228 [2022-01-10 15:58:55,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:58:55,958 INFO L470 AbstractCegarLoop]: Abstraction has 2697 states and 2852 transitions. [2022-01-10 15:58:55,958 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 50.0) internal successors, (200), 3 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:55,958 INFO L276 IsEmpty]: Start isEmpty. Operand 2697 states and 2852 transitions. [2022-01-10 15:58:55,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2022-01-10 15:58:55,962 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:58:55,962 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 15:58:55,962 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-01-10 15:58:55,962 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:58:55,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:58:55,962 INFO L85 PathProgramCache]: Analyzing trace with hash 220964675, now seen corresponding path program 1 times [2022-01-10 15:58:55,962 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:58:55,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858456786] [2022-01-10 15:58:55,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:58:55,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:58:56,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:58:56,042 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 236 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-01-10 15:58:56,042 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:58:56,042 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858456786] [2022-01-10 15:58:56,042 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858456786] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:58:56,042 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:58:56,042 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 15:58:56,042 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830869141] [2022-01-10 15:58:56,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:58:56,043 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 15:58:56,043 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:58:56,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 15:58:56,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:58:56,043 INFO L87 Difference]: Start difference. First operand 2697 states and 2852 transitions. Second operand has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:56,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:58:56,332 INFO L93 Difference]: Finished difference Result 4396 states and 4621 transitions. [2022-01-10 15:58:56,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 15:58:56,332 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 274 [2022-01-10 15:58:56,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:58:56,335 INFO L225 Difference]: With dead ends: 4396 [2022-01-10 15:58:56,335 INFO L226 Difference]: Without dead ends: 1136 [2022-01-10 15:58:56,337 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:58:56,337 INFO L933 BasicCegarLoop]: 36 mSDtfsCounter, 147 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 306 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-10 15:58:56,337 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [147 Valid, 48 Invalid, 325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 306 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-10 15:58:56,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1136 states. [2022-01-10 15:58:56,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1136 to 1136. [2022-01-10 15:58:56,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1136 states, 1135 states have (on average 1.0290748898678415) internal successors, (1168), 1135 states have internal predecessors, (1168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:56,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1136 states to 1136 states and 1168 transitions. [2022-01-10 15:58:56,349 INFO L78 Accepts]: Start accepts. Automaton has 1136 states and 1168 transitions. Word has length 274 [2022-01-10 15:58:56,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:58:56,350 INFO L470 AbstractCegarLoop]: Abstraction has 1136 states and 1168 transitions. [2022-01-10 15:58:56,350 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:56,350 INFO L276 IsEmpty]: Start isEmpty. Operand 1136 states and 1168 transitions. [2022-01-10 15:58:56,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2022-01-10 15:58:56,352 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:58:56,353 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-01-10 15:58:56,353 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-01-10 15:58:56,353 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:58:56,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:58:56,353 INFO L85 PathProgramCache]: Analyzing trace with hash 2076379437, now seen corresponding path program 1 times [2022-01-10 15:58:56,353 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:58:56,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614185999] [2022-01-10 15:58:56,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:58:56,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:58:56,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:58:56,478 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 226 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-01-10 15:58:56,479 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:58:56,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614185999] [2022-01-10 15:58:56,479 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614185999] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:58:56,479 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:58:56,479 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 15:58:56,479 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773718843] [2022-01-10 15:58:56,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:58:56,479 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 15:58:56,479 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:58:56,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 15:58:56,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:58:56,480 INFO L87 Difference]: Start difference. First operand 1136 states and 1168 transitions. Second operand has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:56,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:58:56,752 INFO L93 Difference]: Finished difference Result 2269 states and 2333 transitions. [2022-01-10 15:58:56,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 15:58:56,753 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 293 [2022-01-10 15:58:56,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:58:56,755 INFO L225 Difference]: With dead ends: 2269 [2022-01-10 15:58:56,756 INFO L226 Difference]: Without dead ends: 1135 [2022-01-10 15:58:56,757 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:58:56,757 INFO L933 BasicCegarLoop]: 32 mSDtfsCounter, 119 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 295 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 295 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-10 15:58:56,757 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [119 Valid, 41 Invalid, 312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 295 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-10 15:58:56,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1135 states. [2022-01-10 15:58:56,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1135 to 1134. [2022-01-10 15:58:56,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1134 states, 1133 states have (on average 1.0229479258605472) internal successors, (1159), 1133 states have internal predecessors, (1159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:56,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1134 states to 1134 states and 1159 transitions. [2022-01-10 15:58:56,770 INFO L78 Accepts]: Start accepts. Automaton has 1134 states and 1159 transitions. Word has length 293 [2022-01-10 15:58:56,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:58:56,770 INFO L470 AbstractCegarLoop]: Abstraction has 1134 states and 1159 transitions. [2022-01-10 15:58:56,770 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:56,770 INFO L276 IsEmpty]: Start isEmpty. Operand 1134 states and 1159 transitions. [2022-01-10 15:58:56,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2022-01-10 15:58:56,773 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:58:56,774 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 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, 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] [2022-01-10 15:58:56,774 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-01-10 15:58:56,774 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:58:56,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:58:56,774 INFO L85 PathProgramCache]: Analyzing trace with hash -1629520709, now seen corresponding path program 1 times [2022-01-10 15:58:56,775 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:58:56,775 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775117887] [2022-01-10 15:58:56,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:58:56,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:58:56,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:58:56,888 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 308 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-01-10 15:58:56,888 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:58:56,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775117887] [2022-01-10 15:58:56,888 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775117887] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:58:56,888 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:58:56,888 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 15:58:56,889 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963452579] [2022-01-10 15:58:56,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:58:56,889 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 15:58:56,889 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:58:56,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 15:58:56,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:58:56,889 INFO L87 Difference]: Start difference. First operand 1134 states and 1159 transitions. Second operand has 3 states, 3 states have (on average 75.33333333333333) internal successors, (226), 3 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:57,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:58:57,138 INFO L93 Difference]: Finished difference Result 1836 states and 1875 transitions. [2022-01-10 15:58:57,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 15:58:57,139 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 75.33333333333333) internal successors, (226), 3 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 317 [2022-01-10 15:58:57,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:58:57,139 INFO L225 Difference]: With dead ends: 1836 [2022-01-10 15:58:57,139 INFO L226 Difference]: Without dead ends: 0 [2022-01-10 15:58:57,140 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:58:57,140 INFO L933 BasicCegarLoop]: 158 mSDtfsCounter, 122 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 281 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-10 15:58:57,141 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [122 Valid, 165 Invalid, 283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 281 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-10 15:58:57,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-10 15:58:57,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-10 15:58:57,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:57,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-10 15:58:57,141 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 317 [2022-01-10 15:58:57,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:58:57,141 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-10 15:58:57,142 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 75.33333333333333) internal successors, (226), 3 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:57,142 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-10 15:58:57,142 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-10 15:58:57,143 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 15:58:57,144 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-01-10 15:58:57,145 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-10 15:58:57,879 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-10 15:58:57,879 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-10 15:58:57,879 INFO L854 garLoopResultBuilder]: At program point L616-2(lines 616 626) the Hoare annotation is: (let ((.cse0 (= ~a11~0Int 1))) (let ((.cse5 (not .cse0)) (.cse6 (= ~a25~0Int 1)) (.cse3 (<= 9 ~a28~0Int)) (.cse11 (= ~a17~0Int 8)) (.cse8 (<= ~a28~0Int 10)) (.cse7 (= ~a19~0Int 1)) (.cse10 (<= ~a28~0Int 7)) (.cse4 (= ~a21~0Int 1)) (.cse9 (not (= 7 ~a17~0Int))) (.cse1 (<= ~a25~0Int 0)) (.cse2 (<= ~a19~0Int 0))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 (= 9 ~a28~0Int) .cse4 (= ~a19~0Int 0) .cse8 .cse6 .cse2) (and .cse0 .cse4 .cse9 .cse8 .cse2) (and .cse0 .cse10 .cse2) (and .cse0 .cse4 (<= ~a17~0Int 7) .cse10 .cse7) (and .cse4 .cse11 .cse10 .cse7) (and .cse0 .cse4 .cse11 .cse8 .cse7) (and .cse4 .cse5 (= ~a28~0Int 10) .cse6 .cse2) (and .cse4 .cse9 .cse5 .cse6 .cse7) (and .cse3 .cse4 .cse11 .cse8 .cse7) (and .cse4 .cse9 .cse10 .cse2) (and (<= ~a28~0Int 8) .cse4 .cse9 .cse1 .cse2)))) [2022-01-10 15:58:57,879 INFO L861 garLoopResultBuilder]: At program point L610(lines 610 627) the Hoare annotation is: true [2022-01-10 15:58:57,879 INFO L858 garLoopResultBuilder]: For program point L621(line 621) no Hoare annotation was computed. [2022-01-10 15:58:57,879 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-10 15:58:57,879 INFO L858 garLoopResultBuilder]: For program point L40(lines 40 423) no Hoare annotation was computed. [2022-01-10 15:58:57,879 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-10 15:58:57,880 INFO L854 garLoopResultBuilder]: At program point L607(lines 39 608) the Hoare annotation is: (let ((.cse0 (= ~a11~0Int 1))) (let ((.cse5 (not .cse0)) (.cse6 (= ~a25~0Int 1)) (.cse3 (<= 9 ~a28~0Int)) (.cse11 (= ~a17~0Int 8)) (.cse8 (<= ~a28~0Int 10)) (.cse7 (= ~a19~0Int 1)) (.cse10 (<= ~a28~0Int 7)) (.cse4 (= ~a21~0Int 1)) (.cse9 (not (= 7 ~a17~0Int))) (.cse1 (<= ~a25~0Int 0)) (.cse2 (<= ~a19~0Int 0))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 (= 9 ~a28~0Int) .cse4 (= ~a19~0Int 0) .cse8 .cse6 .cse2) (and .cse0 .cse4 .cse9 .cse8 .cse2) (and .cse0 .cse10 .cse2) (and .cse0 .cse4 (<= ~a17~0Int 7) .cse10 .cse7) (and .cse4 .cse11 .cse10 .cse7) (and .cse0 .cse4 .cse11 .cse8 .cse7) (and .cse4 .cse5 (= ~a28~0Int 10) .cse6 .cse2) (and .cse4 .cse9 .cse5 .cse6 .cse7) (and .cse3 .cse4 .cse11 .cse8 .cse7) (and .cse4 .cse9 .cse10 .cse2) (and (<= ~a28~0Int 8) .cse4 .cse9 .cse1 .cse2)))) [2022-01-10 15:58:57,880 INFO L858 garLoopResultBuilder]: For program point L45(lines 45 423) no Hoare annotation was computed. [2022-01-10 15:58:57,880 INFO L858 garLoopResultBuilder]: For program point L48(lines 48 423) no Hoare annotation was computed. [2022-01-10 15:58:57,880 INFO L858 garLoopResultBuilder]: For program point L52(lines 52 423) no Hoare annotation was computed. [2022-01-10 15:58:57,880 INFO L858 garLoopResultBuilder]: For program point L57(lines 57 423) no Hoare annotation was computed. [2022-01-10 15:58:57,880 INFO L858 garLoopResultBuilder]: For program point L60(lines 60 423) no Hoare annotation was computed. [2022-01-10 15:58:57,880 INFO L858 garLoopResultBuilder]: For program point L64(lines 64 423) no Hoare annotation was computed. [2022-01-10 15:58:57,880 INFO L858 garLoopResultBuilder]: For program point L69(lines 69 423) no Hoare annotation was computed. [2022-01-10 15:58:57,880 INFO L858 garLoopResultBuilder]: For program point L75(lines 75 423) no Hoare annotation was computed. [2022-01-10 15:58:57,880 INFO L858 garLoopResultBuilder]: For program point L79(lines 79 423) no Hoare annotation was computed. [2022-01-10 15:58:57,880 INFO L858 garLoopResultBuilder]: For program point L84(lines 84 423) no Hoare annotation was computed. [2022-01-10 15:58:57,880 INFO L858 garLoopResultBuilder]: For program point L85(lines 85 90) no Hoare annotation was computed. [2022-01-10 15:58:57,880 INFO L858 garLoopResultBuilder]: For program point L92(lines 92 423) no Hoare annotation was computed. [2022-01-10 15:58:57,880 INFO L858 garLoopResultBuilder]: For program point L85-2(lines 85 90) no Hoare annotation was computed. [2022-01-10 15:58:57,880 INFO L858 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2022-01-10 15:58:57,880 INFO L858 garLoopResultBuilder]: For program point L101(lines 101 423) no Hoare annotation was computed. [2022-01-10 15:58:57,880 INFO L858 garLoopResultBuilder]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2022-01-10 15:58:57,880 INFO L858 garLoopResultBuilder]: For program point L105(lines 105 423) no Hoare annotation was computed. [2022-01-10 15:58:57,881 INFO L858 garLoopResultBuilder]: For program point L109(lines 109 423) no Hoare annotation was computed. [2022-01-10 15:58:57,881 INFO L858 garLoopResultBuilder]: For program point L116(lines 116 423) no Hoare annotation was computed. [2022-01-10 15:58:57,881 INFO L858 garLoopResultBuilder]: For program point L123(lines 123 423) no Hoare annotation was computed. [2022-01-10 15:58:57,881 INFO L858 garLoopResultBuilder]: For program point L129(lines 129 423) no Hoare annotation was computed. [2022-01-10 15:58:57,881 INFO L858 garLoopResultBuilder]: For program point L133(lines 133 423) no Hoare annotation was computed. [2022-01-10 15:58:57,881 INFO L858 garLoopResultBuilder]: For program point L140(lines 140 423) no Hoare annotation was computed. [2022-01-10 15:58:57,881 INFO L858 garLoopResultBuilder]: For program point L144(lines 144 423) no Hoare annotation was computed. [2022-01-10 15:58:57,881 INFO L858 garLoopResultBuilder]: For program point L149(lines 149 423) no Hoare annotation was computed. [2022-01-10 15:58:57,881 INFO L858 garLoopResultBuilder]: For program point L153(lines 153 423) no Hoare annotation was computed. [2022-01-10 15:58:57,881 INFO L858 garLoopResultBuilder]: For program point L158(lines 158 423) no Hoare annotation was computed. [2022-01-10 15:58:57,881 INFO L858 garLoopResultBuilder]: For program point L164(lines 164 423) no Hoare annotation was computed. [2022-01-10 15:58:57,881 INFO L858 garLoopResultBuilder]: For program point L169(lines 169 423) no Hoare annotation was computed. [2022-01-10 15:58:57,881 INFO L858 garLoopResultBuilder]: For program point L175(lines 175 423) no Hoare annotation was computed. [2022-01-10 15:58:57,881 INFO L858 garLoopResultBuilder]: For program point L179(lines 179 423) no Hoare annotation was computed. [2022-01-10 15:58:57,881 INFO L858 garLoopResultBuilder]: For program point L185(lines 185 423) no Hoare annotation was computed. [2022-01-10 15:58:57,881 INFO L858 garLoopResultBuilder]: For program point L189(lines 189 423) no Hoare annotation was computed. [2022-01-10 15:58:57,881 INFO L858 garLoopResultBuilder]: For program point L195(lines 195 423) no Hoare annotation was computed. [2022-01-10 15:58:57,881 INFO L858 garLoopResultBuilder]: For program point L197(lines 197 423) no Hoare annotation was computed. [2022-01-10 15:58:57,881 INFO L858 garLoopResultBuilder]: For program point L199(lines 199 423) no Hoare annotation was computed. [2022-01-10 15:58:57,881 INFO L858 garLoopResultBuilder]: For program point L201(lines 201 423) no Hoare annotation was computed. [2022-01-10 15:58:57,881 INFO L858 garLoopResultBuilder]: For program point L204(lines 204 423) no Hoare annotation was computed. [2022-01-10 15:58:57,881 INFO L858 garLoopResultBuilder]: For program point L208(lines 208 423) no Hoare annotation was computed. [2022-01-10 15:58:57,882 INFO L858 garLoopResultBuilder]: For program point L212(lines 212 423) no Hoare annotation was computed. [2022-01-10 15:58:57,882 INFO L858 garLoopResultBuilder]: For program point L213(lines 213 220) no Hoare annotation was computed. [2022-01-10 15:58:57,882 INFO L858 garLoopResultBuilder]: For program point L222(lines 222 423) no Hoare annotation was computed. [2022-01-10 15:58:57,882 INFO L858 garLoopResultBuilder]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2022-01-10 15:58:57,882 INFO L858 garLoopResultBuilder]: For program point L225(lines 225 423) no Hoare annotation was computed. [2022-01-10 15:58:57,882 INFO L858 garLoopResultBuilder]: For program point L228(lines 228 423) no Hoare annotation was computed. [2022-01-10 15:58:57,882 INFO L858 garLoopResultBuilder]: For program point L233(lines 233 423) no Hoare annotation was computed. [2022-01-10 15:58:57,882 INFO L858 garLoopResultBuilder]: For program point L235(lines 235 423) no Hoare annotation was computed. [2022-01-10 15:58:57,882 INFO L858 garLoopResultBuilder]: For program point L242(lines 242 423) no Hoare annotation was computed. [2022-01-10 15:58:57,882 INFO L858 garLoopResultBuilder]: For program point L244(lines 244 423) no Hoare annotation was computed. [2022-01-10 15:58:57,882 INFO L858 garLoopResultBuilder]: For program point L247(lines 247 423) no Hoare annotation was computed. [2022-01-10 15:58:57,882 INFO L858 garLoopResultBuilder]: For program point L248(lines 248 256) no Hoare annotation was computed. [2022-01-10 15:58:57,882 INFO L858 garLoopResultBuilder]: For program point L258(lines 258 423) no Hoare annotation was computed. [2022-01-10 15:58:57,882 INFO L858 garLoopResultBuilder]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2022-01-10 15:58:57,882 INFO L858 garLoopResultBuilder]: For program point L263(lines 263 423) no Hoare annotation was computed. [2022-01-10 15:58:57,882 INFO L858 garLoopResultBuilder]: For program point L269(lines 269 423) no Hoare annotation was computed. [2022-01-10 15:58:57,882 INFO L858 garLoopResultBuilder]: For program point L271(lines 271 423) no Hoare annotation was computed. [2022-01-10 15:58:57,882 INFO L858 garLoopResultBuilder]: For program point L272(lines 272 284) no Hoare annotation was computed. [2022-01-10 15:58:57,882 INFO L858 garLoopResultBuilder]: For program point L286(lines 286 423) no Hoare annotation was computed. [2022-01-10 15:58:57,882 INFO L858 garLoopResultBuilder]: For program point L272-2(lines 272 284) no Hoare annotation was computed. [2022-01-10 15:58:57,882 INFO L858 garLoopResultBuilder]: For program point L290(lines 290 423) no Hoare annotation was computed. [2022-01-10 15:58:57,882 INFO L858 garLoopResultBuilder]: For program point L293(lines 293 423) no Hoare annotation was computed. [2022-01-10 15:58:57,883 INFO L858 garLoopResultBuilder]: For program point L296(lines 296 423) no Hoare annotation was computed. [2022-01-10 15:58:57,883 INFO L858 garLoopResultBuilder]: For program point L301(lines 301 423) no Hoare annotation was computed. [2022-01-10 15:58:57,883 INFO L858 garLoopResultBuilder]: For program point L303(lines 303 423) no Hoare annotation was computed. [2022-01-10 15:58:57,883 INFO L858 garLoopResultBuilder]: For program point L307(lines 307 423) no Hoare annotation was computed. [2022-01-10 15:58:57,883 INFO L858 garLoopResultBuilder]: For program point L308(lines 308 317) no Hoare annotation was computed. [2022-01-10 15:58:57,883 INFO L858 garLoopResultBuilder]: For program point L319(lines 319 423) no Hoare annotation was computed. [2022-01-10 15:58:57,883 INFO L858 garLoopResultBuilder]: For program point L308-2(lines 308 317) no Hoare annotation was computed. [2022-01-10 15:58:57,883 INFO L858 garLoopResultBuilder]: For program point L324(lines 324 423) no Hoare annotation was computed. [2022-01-10 15:58:57,883 INFO L858 garLoopResultBuilder]: For program point L325(lines 325 336) no Hoare annotation was computed. [2022-01-10 15:58:57,883 INFO L858 garLoopResultBuilder]: For program point L338(lines 338 423) no Hoare annotation was computed. [2022-01-10 15:58:57,883 INFO L858 garLoopResultBuilder]: For program point L325-2(lines 325 336) no Hoare annotation was computed. [2022-01-10 15:58:57,883 INFO L858 garLoopResultBuilder]: For program point L341(lines 341 423) no Hoare annotation was computed. [2022-01-10 15:58:57,883 INFO L858 garLoopResultBuilder]: For program point L342(lines 342 345) no Hoare annotation was computed. [2022-01-10 15:58:57,883 INFO L858 garLoopResultBuilder]: For program point L347(lines 347 423) no Hoare annotation was computed. [2022-01-10 15:58:57,883 INFO L858 garLoopResultBuilder]: For program point L342-2(lines 342 345) no Hoare annotation was computed. [2022-01-10 15:58:57,883 INFO L858 garLoopResultBuilder]: For program point L348(lines 348 357) no Hoare annotation was computed. [2022-01-10 15:58:57,883 INFO L858 garLoopResultBuilder]: For program point L359(lines 359 423) no Hoare annotation was computed. [2022-01-10 15:58:57,883 INFO L858 garLoopResultBuilder]: For program point L348-2(lines 348 357) no Hoare annotation was computed. [2022-01-10 15:58:57,883 INFO L858 garLoopResultBuilder]: For program point L364(lines 364 423) no Hoare annotation was computed. [2022-01-10 15:58:57,883 INFO L858 garLoopResultBuilder]: For program point L371(lines 371 423) no Hoare annotation was computed. [2022-01-10 15:58:57,883 INFO L858 garLoopResultBuilder]: For program point L378(lines 378 423) no Hoare annotation was computed. [2022-01-10 15:58:57,883 INFO L858 garLoopResultBuilder]: For program point L385(lines 385 423) no Hoare annotation was computed. [2022-01-10 15:58:57,884 INFO L858 garLoopResultBuilder]: For program point L388(lines 388 423) no Hoare annotation was computed. [2022-01-10 15:58:57,884 INFO L858 garLoopResultBuilder]: For program point L390(lines 390 423) no Hoare annotation was computed. [2022-01-10 15:58:57,884 INFO L858 garLoopResultBuilder]: For program point L391(lines 391 397) no Hoare annotation was computed. [2022-01-10 15:58:57,884 INFO L858 garLoopResultBuilder]: For program point L399(lines 399 423) no Hoare annotation was computed. [2022-01-10 15:58:57,884 INFO L858 garLoopResultBuilder]: For program point L391-2(lines 391 397) no Hoare annotation was computed. [2022-01-10 15:58:57,884 INFO L858 garLoopResultBuilder]: For program point L404(lines 404 423) no Hoare annotation was computed. [2022-01-10 15:58:57,884 INFO L858 garLoopResultBuilder]: For program point L408(lines 408 423) no Hoare annotation was computed. [2022-01-10 15:58:57,884 INFO L858 garLoopResultBuilder]: For program point L412(lines 412 423) no Hoare annotation was computed. [2022-01-10 15:58:57,884 INFO L858 garLoopResultBuilder]: For program point L414(lines 414 423) no Hoare annotation was computed. [2022-01-10 15:58:57,884 INFO L858 garLoopResultBuilder]: For program point L417(lines 417 423) no Hoare annotation was computed. [2022-01-10 15:58:57,884 INFO L858 garLoopResultBuilder]: For program point L419(lines 419 423) no Hoare annotation was computed. [2022-01-10 15:58:57,884 INFO L858 garLoopResultBuilder]: For program point L424(lines 424 426) no Hoare annotation was computed. [2022-01-10 15:58:57,884 INFO L858 garLoopResultBuilder]: For program point L425(line 425) no Hoare annotation was computed. [2022-01-10 15:58:57,884 INFO L858 garLoopResultBuilder]: For program point L424-2(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:57,884 INFO L858 garLoopResultBuilder]: For program point L428(line 428) no Hoare annotation was computed. [2022-01-10 15:58:57,884 INFO L858 garLoopResultBuilder]: For program point L427-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:57,884 INFO L858 garLoopResultBuilder]: For program point L431(line 431) no Hoare annotation was computed. [2022-01-10 15:58:57,884 INFO L858 garLoopResultBuilder]: For program point L430-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:57,884 INFO L858 garLoopResultBuilder]: For program point L434(line 434) no Hoare annotation was computed. [2022-01-10 15:58:57,884 INFO L858 garLoopResultBuilder]: For program point L433-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:57,884 INFO L858 garLoopResultBuilder]: For program point L437(line 437) no Hoare annotation was computed. [2022-01-10 15:58:57,884 INFO L858 garLoopResultBuilder]: For program point L436-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:57,885 INFO L858 garLoopResultBuilder]: For program point L440(line 440) no Hoare annotation was computed. [2022-01-10 15:58:57,885 INFO L858 garLoopResultBuilder]: For program point L439-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:57,885 INFO L858 garLoopResultBuilder]: For program point L443(line 443) no Hoare annotation was computed. [2022-01-10 15:58:57,885 INFO L858 garLoopResultBuilder]: For program point L442-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:57,885 INFO L858 garLoopResultBuilder]: For program point L446(line 446) no Hoare annotation was computed. [2022-01-10 15:58:57,885 INFO L858 garLoopResultBuilder]: For program point L445-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:57,885 INFO L858 garLoopResultBuilder]: For program point L449(line 449) no Hoare annotation was computed. [2022-01-10 15:58:57,885 INFO L858 garLoopResultBuilder]: For program point L448-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:57,885 INFO L858 garLoopResultBuilder]: For program point L452(line 452) no Hoare annotation was computed. [2022-01-10 15:58:57,885 INFO L858 garLoopResultBuilder]: For program point L451-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:57,885 INFO L858 garLoopResultBuilder]: For program point L455(line 455) no Hoare annotation was computed. [2022-01-10 15:58:57,885 INFO L858 garLoopResultBuilder]: For program point L454-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:57,885 INFO L858 garLoopResultBuilder]: For program point L458(line 458) no Hoare annotation was computed. [2022-01-10 15:58:57,885 INFO L858 garLoopResultBuilder]: For program point L457-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:57,885 INFO L858 garLoopResultBuilder]: For program point L461(line 461) no Hoare annotation was computed. [2022-01-10 15:58:57,885 INFO L858 garLoopResultBuilder]: For program point L460-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:57,885 INFO L858 garLoopResultBuilder]: For program point L464(line 464) no Hoare annotation was computed. [2022-01-10 15:58:57,885 INFO L858 garLoopResultBuilder]: For program point L463-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:57,885 INFO L858 garLoopResultBuilder]: For program point L467(line 467) no Hoare annotation was computed. [2022-01-10 15:58:57,885 INFO L858 garLoopResultBuilder]: For program point L466-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:57,885 INFO L858 garLoopResultBuilder]: For program point L470(line 470) no Hoare annotation was computed. [2022-01-10 15:58:57,885 INFO L858 garLoopResultBuilder]: For program point L469-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:57,885 INFO L858 garLoopResultBuilder]: For program point L473(line 473) no Hoare annotation was computed. [2022-01-10 15:58:57,886 INFO L858 garLoopResultBuilder]: For program point L472-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:57,886 INFO L858 garLoopResultBuilder]: For program point L476(line 476) no Hoare annotation was computed. [2022-01-10 15:58:57,886 INFO L858 garLoopResultBuilder]: For program point L475-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:57,886 INFO L858 garLoopResultBuilder]: For program point L479(line 479) no Hoare annotation was computed. [2022-01-10 15:58:57,886 INFO L858 garLoopResultBuilder]: For program point L478-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:57,886 INFO L858 garLoopResultBuilder]: For program point L482(line 482) no Hoare annotation was computed. [2022-01-10 15:58:57,886 INFO L858 garLoopResultBuilder]: For program point L481-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:57,886 INFO L858 garLoopResultBuilder]: For program point L485(line 485) no Hoare annotation was computed. [2022-01-10 15:58:57,886 INFO L858 garLoopResultBuilder]: For program point L484-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:57,886 INFO L858 garLoopResultBuilder]: For program point L488(line 488) no Hoare annotation was computed. [2022-01-10 15:58:57,886 INFO L858 garLoopResultBuilder]: For program point L487-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:57,886 INFO L858 garLoopResultBuilder]: For program point L491(line 491) no Hoare annotation was computed. [2022-01-10 15:58:57,886 INFO L858 garLoopResultBuilder]: For program point L490-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:57,886 INFO L858 garLoopResultBuilder]: For program point L494(line 494) no Hoare annotation was computed. [2022-01-10 15:58:57,886 INFO L858 garLoopResultBuilder]: For program point L493-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:57,886 INFO L858 garLoopResultBuilder]: For program point L497(line 497) no Hoare annotation was computed. [2022-01-10 15:58:57,886 INFO L858 garLoopResultBuilder]: For program point L496-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:57,886 INFO L858 garLoopResultBuilder]: For program point L500(line 500) no Hoare annotation was computed. [2022-01-10 15:58:57,886 INFO L858 garLoopResultBuilder]: For program point L499-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:57,886 INFO L858 garLoopResultBuilder]: For program point L503(line 503) no Hoare annotation was computed. [2022-01-10 15:58:57,886 INFO L858 garLoopResultBuilder]: For program point L502-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:57,886 INFO L858 garLoopResultBuilder]: For program point L506(line 506) no Hoare annotation was computed. [2022-01-10 15:58:57,886 INFO L858 garLoopResultBuilder]: For program point L505-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:57,887 INFO L858 garLoopResultBuilder]: For program point L509(line 509) no Hoare annotation was computed. [2022-01-10 15:58:57,887 INFO L858 garLoopResultBuilder]: For program point L508-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:57,887 INFO L858 garLoopResultBuilder]: For program point L512(line 512) no Hoare annotation was computed. [2022-01-10 15:58:57,887 INFO L858 garLoopResultBuilder]: For program point L511-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:57,887 INFO L858 garLoopResultBuilder]: For program point L515(line 515) no Hoare annotation was computed. [2022-01-10 15:58:57,887 INFO L858 garLoopResultBuilder]: For program point L514-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:57,887 INFO L858 garLoopResultBuilder]: For program point L518(line 518) no Hoare annotation was computed. [2022-01-10 15:58:57,887 INFO L858 garLoopResultBuilder]: For program point L517-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:57,887 INFO L858 garLoopResultBuilder]: For program point L521(line 521) no Hoare annotation was computed. [2022-01-10 15:58:57,887 INFO L858 garLoopResultBuilder]: For program point L520-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:57,887 INFO L858 garLoopResultBuilder]: For program point L524(line 524) no Hoare annotation was computed. [2022-01-10 15:58:57,887 INFO L858 garLoopResultBuilder]: For program point L523-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:57,887 INFO L858 garLoopResultBuilder]: For program point L527(line 527) no Hoare annotation was computed. [2022-01-10 15:58:57,887 INFO L858 garLoopResultBuilder]: For program point L526-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:57,887 INFO L858 garLoopResultBuilder]: For program point L530(line 530) no Hoare annotation was computed. [2022-01-10 15:58:57,887 INFO L858 garLoopResultBuilder]: For program point L529-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:57,887 INFO L858 garLoopResultBuilder]: For program point L533(line 533) no Hoare annotation was computed. [2022-01-10 15:58:57,887 INFO L858 garLoopResultBuilder]: For program point L532-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:57,887 INFO L858 garLoopResultBuilder]: For program point L536(line 536) no Hoare annotation was computed. [2022-01-10 15:58:57,887 INFO L858 garLoopResultBuilder]: For program point L535-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:57,887 INFO L858 garLoopResultBuilder]: For program point L539(line 539) no Hoare annotation was computed. [2022-01-10 15:58:57,887 INFO L858 garLoopResultBuilder]: For program point L538-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:57,887 INFO L858 garLoopResultBuilder]: For program point L542(line 542) no Hoare annotation was computed. [2022-01-10 15:58:57,888 INFO L858 garLoopResultBuilder]: For program point L541-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:57,888 INFO L858 garLoopResultBuilder]: For program point L545(line 545) no Hoare annotation was computed. [2022-01-10 15:58:57,888 INFO L858 garLoopResultBuilder]: For program point L544-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:57,888 INFO L858 garLoopResultBuilder]: For program point L548(line 548) no Hoare annotation was computed. [2022-01-10 15:58:57,888 INFO L858 garLoopResultBuilder]: For program point L547-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:57,888 INFO L858 garLoopResultBuilder]: For program point L551(line 551) no Hoare annotation was computed. [2022-01-10 15:58:57,888 INFO L858 garLoopResultBuilder]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:57,888 INFO L858 garLoopResultBuilder]: For program point L554(line 554) no Hoare annotation was computed. [2022-01-10 15:58:57,888 INFO L858 garLoopResultBuilder]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:57,888 INFO L858 garLoopResultBuilder]: For program point L557(line 557) no Hoare annotation was computed. [2022-01-10 15:58:57,888 INFO L858 garLoopResultBuilder]: For program point L556-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:57,888 INFO L858 garLoopResultBuilder]: For program point L560(line 560) no Hoare annotation was computed. [2022-01-10 15:58:57,888 INFO L858 garLoopResultBuilder]: For program point L559-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:57,888 INFO L858 garLoopResultBuilder]: For program point L563(line 563) no Hoare annotation was computed. [2022-01-10 15:58:57,888 INFO L858 garLoopResultBuilder]: For program point L562-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:57,888 INFO L858 garLoopResultBuilder]: For program point L566(line 566) no Hoare annotation was computed. [2022-01-10 15:58:57,888 INFO L858 garLoopResultBuilder]: For program point L565-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:57,888 INFO L858 garLoopResultBuilder]: For program point L569(line 569) no Hoare annotation was computed. [2022-01-10 15:58:57,888 INFO L858 garLoopResultBuilder]: For program point L568-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:57,888 INFO L858 garLoopResultBuilder]: For program point L572(line 572) no Hoare annotation was computed. [2022-01-10 15:58:57,888 INFO L858 garLoopResultBuilder]: For program point L571-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:57,888 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 572) no Hoare annotation was computed. [2022-01-10 15:58:57,889 INFO L858 garLoopResultBuilder]: For program point L575(line 575) no Hoare annotation was computed. [2022-01-10 15:58:57,889 INFO L858 garLoopResultBuilder]: For program point L574-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:57,889 INFO L858 garLoopResultBuilder]: For program point L578(line 578) no Hoare annotation was computed. [2022-01-10 15:58:57,889 INFO L858 garLoopResultBuilder]: For program point L577-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:57,889 INFO L858 garLoopResultBuilder]: For program point L581(line 581) no Hoare annotation was computed. [2022-01-10 15:58:57,889 INFO L858 garLoopResultBuilder]: For program point L580-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:57,889 INFO L858 garLoopResultBuilder]: For program point L584(line 584) no Hoare annotation was computed. [2022-01-10 15:58:57,889 INFO L858 garLoopResultBuilder]: For program point L583-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:57,889 INFO L858 garLoopResultBuilder]: For program point L587(line 587) no Hoare annotation was computed. [2022-01-10 15:58:57,889 INFO L858 garLoopResultBuilder]: For program point L586-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:57,889 INFO L858 garLoopResultBuilder]: For program point L590(line 590) no Hoare annotation was computed. [2022-01-10 15:58:57,889 INFO L858 garLoopResultBuilder]: For program point L589-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:57,889 INFO L858 garLoopResultBuilder]: For program point L593(line 593) no Hoare annotation was computed. [2022-01-10 15:58:57,889 INFO L858 garLoopResultBuilder]: For program point L592-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:57,889 INFO L858 garLoopResultBuilder]: For program point L596(line 596) no Hoare annotation was computed. [2022-01-10 15:58:57,889 INFO L858 garLoopResultBuilder]: For program point L595-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:57,889 INFO L858 garLoopResultBuilder]: For program point L599(line 599) no Hoare annotation was computed. [2022-01-10 15:58:57,889 INFO L858 garLoopResultBuilder]: For program point L598-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:57,889 INFO L858 garLoopResultBuilder]: For program point L602(line 602) no Hoare annotation was computed. [2022-01-10 15:58:57,889 INFO L858 garLoopResultBuilder]: For program point L601-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:58:57,889 INFO L858 garLoopResultBuilder]: For program point L605(line 605) no Hoare annotation was computed. [2022-01-10 15:58:57,889 INFO L858 garLoopResultBuilder]: For program point L604-1(lines 604 606) no Hoare annotation was computed. [2022-01-10 15:58:57,892 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 15:58:57,893 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 15:58:57,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 03:58:57 BasicIcfg [2022-01-10 15:58:57,909 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 15:58:57,909 INFO L158 Benchmark]: Toolchain (without parser) took 12689.09ms. Allocated memory was 176.2MB in the beginning and 352.3MB in the end (delta: 176.2MB). Free memory was 123.3MB in the beginning and 164.7MB in the end (delta: -41.4MB). Peak memory consumption was 186.9MB. Max. memory is 8.0GB. [2022-01-10 15:58:57,909 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 176.2MB. Free memory is still 140.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 15:58:57,910 INFO L158 Benchmark]: CACSL2BoogieTranslator took 417.57ms. Allocated memory is still 176.2MB. Free memory was 123.1MB in the beginning and 135.1MB in the end (delta: -12.0MB). Peak memory consumption was 9.0MB. Max. memory is 8.0GB. [2022-01-10 15:58:57,910 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.72ms. Allocated memory is still 176.2MB. Free memory was 135.1MB in the beginning and 129.9MB in the end (delta: 5.2MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2022-01-10 15:58:57,910 INFO L158 Benchmark]: Boogie Preprocessor took 53.43ms. Allocated memory is still 176.2MB. Free memory was 129.9MB in the beginning and 125.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-01-10 15:58:57,910 INFO L158 Benchmark]: RCFGBuilder took 781.96ms. Allocated memory was 176.2MB in the beginning and 228.6MB in the end (delta: 52.4MB). Free memory was 125.7MB in the beginning and 183.0MB in the end (delta: -57.3MB). Peak memory consumption was 48.5MB. Max. memory is 8.0GB. [2022-01-10 15:58:57,910 INFO L158 Benchmark]: IcfgTransformer took 154.74ms. Allocated memory is still 228.6MB. Free memory was 183.0MB in the beginning and 149.5MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. [2022-01-10 15:58:57,910 INFO L158 Benchmark]: TraceAbstraction took 11206.49ms. Allocated memory was 228.6MB in the beginning and 352.3MB in the end (delta: 123.7MB). Free memory was 149.0MB in the beginning and 164.7MB in the end (delta: -15.7MB). Peak memory consumption was 158.9MB. Max. memory is 8.0GB. [2022-01-10 15:58:57,911 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 176.2MB. Free memory is still 140.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 417.57ms. Allocated memory is still 176.2MB. Free memory was 123.1MB in the beginning and 135.1MB in the end (delta: -12.0MB). Peak memory consumption was 9.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 66.72ms. Allocated memory is still 176.2MB. Free memory was 135.1MB in the beginning and 129.9MB in the end (delta: 5.2MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 53.43ms. Allocated memory is still 176.2MB. Free memory was 129.9MB in the beginning and 125.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 781.96ms. Allocated memory was 176.2MB in the beginning and 228.6MB in the end (delta: 52.4MB). Free memory was 125.7MB in the beginning and 183.0MB in the end (delta: -57.3MB). Peak memory consumption was 48.5MB. Max. memory is 8.0GB. * IcfgTransformer took 154.74ms. Allocated memory is still 228.6MB. Free memory was 183.0MB in the beginning and 149.5MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. * TraceAbstraction took 11206.49ms. Allocated memory was 228.6MB in the beginning and 352.3MB in the end (delta: 123.7MB). Free memory was 149.0MB in the beginning and 164.7MB in the end (delta: -15.7MB). Peak memory consumption was 158.9MB. 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: 572]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.1s, OverallIterations: 14, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 7.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2982 SdHoareTripleChecker+Valid, 6.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2982 mSDsluCounter, 1814 SdHoareTripleChecker+Invalid, 5.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 320 mSDsCounter, 1140 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7247 IncrementalHoareTripleChecker+Invalid, 8387 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1140 mSolverCounterUnsat, 1494 mSDtfsCounter, 7247 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 52 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3127occurred in iteration=8, InterpolantAutomatonStates: 57, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 14 MinimizatonAttempts, 2024 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 49 NumberOfFragments, 409 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1124 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 3492 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 2845 NumberOfCodeBlocks, 2845 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 2831 ConstructedInterpolants, 0 QuantifiedInterpolants, 12157 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 1751/1751 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: (((((((((((((((!(7bv32 == a17) && ~bvule32(a25, 0bv32)) && ~bvule32(a19, 0bv32)) && 1bv32 == a21) && ~bvule32(a28, 8bv32)) || (((1bv32 == a19 && ~bvule32(a28, 7bv32)) && 1bv32 == a21) && 8bv32 == a17)) || ((1bv32 == a11 && ~bvule32(a19, 0bv32)) && ~bvule32(a28, 7bv32))) || ((1bv32 == a11 && ~bvule32(a25, 0bv32)) && ~bvule32(a19, 0bv32))) || ((((((0bv32 == a19 && 1bv32 == a11) && 1bv32 == a25) && ~bvule32(a28, 10bv32)) && ~bvule32(a19, 0bv32)) && a28 == 9bv32) && 1bv32 == a21)) || (((!(7bv32 == a17) && ~bvule32(a19, 0bv32)) && ~bvule32(a28, 7bv32)) && 1bv32 == a21)) || ((((1bv32 == a25 && !(1bv32 == a11)) && 10bv32 == a28) && ~bvule32(a19, 0bv32)) && 1bv32 == a21)) || ((((1bv32 == a25 && !(1bv32 == a11)) && 1bv32 == a19) && ~bvule32(9bv32, a28)) && 1bv32 == a21)) || ((((!(7bv32 == a17) && 1bv32 == a11) && ~bvule32(a28, 10bv32)) && ~bvule32(a19, 0bv32)) && 1bv32 == a21)) || ((((1bv32 == a11 && 1bv32 == a19) && ~bvule32(a17, 7bv32)) && ~bvule32(a28, 7bv32)) && 1bv32 == a21)) || ((((1bv32 == a19 && ~bvule32(a28, 10bv32)) && ~bvule32(9bv32, a28)) && 1bv32 == a21) && 8bv32 == a17)) || ((((!(7bv32 == a17) && 1bv32 == a25) && !(1bv32 == a11)) && 1bv32 == a19) && 1bv32 == a21)) || ((((1bv32 == a11 && 1bv32 == a19) && ~bvule32(a28, 10bv32)) && 1bv32 == a21) && 8bv32 == a17) - InvariantResult [Line: 610]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: (((((((((((((((!(7bv32 == a17) && ~bvule32(a25, 0bv32)) && ~bvule32(a19, 0bv32)) && 1bv32 == a21) && ~bvule32(a28, 8bv32)) || (((1bv32 == a19 && ~bvule32(a28, 7bv32)) && 1bv32 == a21) && 8bv32 == a17)) || ((1bv32 == a11 && ~bvule32(a19, 0bv32)) && ~bvule32(a28, 7bv32))) || ((1bv32 == a11 && ~bvule32(a25, 0bv32)) && ~bvule32(a19, 0bv32))) || ((((((0bv32 == a19 && 1bv32 == a11) && 1bv32 == a25) && ~bvule32(a28, 10bv32)) && ~bvule32(a19, 0bv32)) && a28 == 9bv32) && 1bv32 == a21)) || (((!(7bv32 == a17) && ~bvule32(a19, 0bv32)) && ~bvule32(a28, 7bv32)) && 1bv32 == a21)) || ((((1bv32 == a25 && !(1bv32 == a11)) && 10bv32 == a28) && ~bvule32(a19, 0bv32)) && 1bv32 == a21)) || ((((1bv32 == a25 && !(1bv32 == a11)) && 1bv32 == a19) && ~bvule32(9bv32, a28)) && 1bv32 == a21)) || ((((!(7bv32 == a17) && 1bv32 == a11) && ~bvule32(a28, 10bv32)) && ~bvule32(a19, 0bv32)) && 1bv32 == a21)) || ((((1bv32 == a11 && 1bv32 == a19) && ~bvule32(a17, 7bv32)) && ~bvule32(a28, 7bv32)) && 1bv32 == a21)) || ((((1bv32 == a19 && ~bvule32(a28, 10bv32)) && ~bvule32(9bv32, a28)) && 1bv32 == a21) && 8bv32 == a17)) || ((((!(7bv32 == a17) && 1bv32 == a25) && !(1bv32 == a11)) && 1bv32 == a19) && 1bv32 == a21)) || ((((1bv32 == a11 && 1bv32 == a19) && ~bvule32(a28, 10bv32)) && 1bv32 == a21) && 8bv32 == a17) RESULT: Ultimate proved your program to be correct! [2022-01-10 15:58:57,972 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...