/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_label41.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 15:59:04,513 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 15:59:04,515 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 15:59:04,563 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-10 15:59:04,580 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 15:59:04,582 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 15:59:04,583 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 15:59:04,584 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 15:59:04,585 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 15:59:04,586 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 15:59:04,588 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 15:59:04,589 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 15:59:04,592 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 15:59:04,593 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 15:59:04,594 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 15:59:04,595 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 15:59:04,597 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-10 15:59:04,600 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 15:59:04,600 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 15:59:04,601 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 15:59:04,602 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 15:59:04,603 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 15:59:04,603 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 15:59:04,603 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 15:59:04,604 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 15:59:04,604 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 15:59:04,605 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 15:59:04,605 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 15:59:04,611 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 15:59:04,630 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 15:59:04,630 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 15:59:04,631 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 15:59:04,631 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 15:59:04,632 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 15:59:04,632 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 15:59:04,632 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 15:59:04,633 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 15:59:04,633 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 15:59:04,633 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 15:59:04,633 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 15:59:04,633 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 15:59:04,633 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 15:59:04,634 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 15:59:04,634 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 15:59:04,634 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 15:59:04,634 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 15:59:04,634 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 15:59:04,634 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 15:59:04,635 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 15:59:04,635 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 15:59:04,635 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 15:59:04,635 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 15:59:04,636 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 15:59:04,636 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 15:59:04,636 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-10 15:59:04,636 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-10 15:59:04,636 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 15:59:04,636 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 15:59:04,637 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 15:59:04,637 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-10 15:59:04,637 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 15:59:04,638 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-10 15:59:04,638 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 15:59:04,833 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 15:59:04,861 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 15:59:04,864 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 15:59:04,865 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 15:59:04,866 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 15:59:04,867 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label41.c [2022-01-10 15:59:04,948 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/967eeb088/923fff90b797483dabbf050d74ecd883/FLAGd1ad9cedf [2022-01-10 15:59:05,420 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 15:59:05,421 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label41.c [2022-01-10 15:59:05,430 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/967eeb088/923fff90b797483dabbf050d74ecd883/FLAGd1ad9cedf [2022-01-10 15:59:05,775 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/967eeb088/923fff90b797483dabbf050d74ecd883 [2022-01-10 15:59:05,776 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 15:59:05,778 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-10 15:59:05,781 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 15:59:05,781 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 15:59:05,785 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 15:59:05,786 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 03:59:05" (1/1) ... [2022-01-10 15:59:05,787 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d2c7ce8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:59:05, skipping insertion in model container [2022-01-10 15:59:05,787 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 03:59:05" (1/1) ... [2022-01-10 15:59:05,797 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 15:59:05,841 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 15:59:06,119 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_label41.c[15650,15663] [2022-01-10 15:59:06,161 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 15:59:06,177 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 15:59:06,231 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_label41.c[15650,15663] [2022-01-10 15:59:06,248 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 15:59:06,271 INFO L208 MainTranslator]: Completed translation [2022-01-10 15:59:06,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:59:06 WrapperNode [2022-01-10 15:59:06,272 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 15:59:06,273 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 15:59:06,273 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 15:59:06,273 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 15:59:06,279 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:59:06" (1/1) ... [2022-01-10 15:59:06,307 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:59:06" (1/1) ... [2022-01-10 15:59:06,371 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 666 [2022-01-10 15:59:06,371 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 15:59:06,372 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 15:59:06,372 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 15:59:06,372 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 15:59:06,380 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:59:06" (1/1) ... [2022-01-10 15:59:06,380 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:59:06" (1/1) ... [2022-01-10 15:59:06,389 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:59:06" (1/1) ... [2022-01-10 15:59:06,390 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:59:06" (1/1) ... [2022-01-10 15:59:06,411 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:59:06" (1/1) ... [2022-01-10 15:59:06,436 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:59:06" (1/1) ... [2022-01-10 15:59:06,440 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:59:06" (1/1) ... [2022-01-10 15:59:06,445 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 15:59:06,446 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 15:59:06,446 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 15:59:06,446 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 15:59:06,453 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:59:06" (1/1) ... [2022-01-10 15:59:06,459 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 15:59:06,470 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 15:59:06,489 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 15:59:06,512 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 15:59:06,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 15:59:06,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 15:59:06,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 15:59:06,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 15:59:06,608 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 15:59:06,610 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 15:59:07,562 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 15:59:07,575 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 15:59:07,575 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-01-10 15:59:07,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 03:59:07 BoogieIcfgContainer [2022-01-10 15:59:07,578 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 15:59:07,579 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-10 15:59:07,579 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-10 15:59:07,580 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-10 15:59:07,583 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 03:59:07" (1/1) ... [2022-01-10 15:59:07,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 03:59:07 BasicIcfg [2022-01-10 15:59:07,868 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-10 15:59:07,870 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 15:59:07,870 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 15:59:07,873 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 15:59:07,873 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 03:59:05" (1/4) ... [2022-01-10 15:59:07,874 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ac5b53e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 03:59:07, skipping insertion in model container [2022-01-10 15:59:07,874 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:59:06" (2/4) ... [2022-01-10 15:59:07,874 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ac5b53e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 03:59:07, skipping insertion in model container [2022-01-10 15:59:07,874 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 03:59:07" (3/4) ... [2022-01-10 15:59:07,874 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ac5b53e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 03:59:07, skipping insertion in model container [2022-01-10 15:59:07,875 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 03:59:07" (4/4) ... [2022-01-10 15:59:07,877 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label41.cTransformedIcfg [2022-01-10 15:59:07,882 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 15:59:07,882 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 15:59:07,935 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 15:59:07,944 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 15:59:07,944 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 15:59:07,964 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 15:59:07,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-01-10 15:59:07,974 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:59:07,975 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] [2022-01-10 15:59:07,976 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:59:07,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:59:07,984 INFO L85 PathProgramCache]: Analyzing trace with hash 1806182287, now seen corresponding path program 1 times [2022-01-10 15:59:07,992 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:59:07,993 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364757113] [2022-01-10 15:59:07,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:59:07,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:59:08,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:59:08,501 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 15:59:08,501 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:59:08,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364757113] [2022-01-10 15:59:08,502 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364757113] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:59:08,503 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:59:08,503 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 15:59:08,504 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259136017] [2022-01-10 15:59:08,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:59:08,512 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 15:59:08,513 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:59:08,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 15:59:08,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:59:08,547 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 30.0) internal successors, (90), 2 states have internal predecessors, (90), 0 states have call successors, (0), 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 15:59:09,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:59:09,410 INFO L93 Difference]: Finished difference Result 630 states and 1070 transitions. [2022-01-10 15:59:09,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 15:59:09,413 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 2 states have internal predecessors, (90), 0 states have call successors, (0), 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 90 [2022-01-10 15:59:09,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:59:09,434 INFO L225 Difference]: With dead ends: 630 [2022-01-10 15:59:09,434 INFO L226 Difference]: Without dead ends: 318 [2022-01-10 15:59:09,441 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 15:59:09,444 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 140 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 492 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-10 15:59:09,445 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [140 Valid, 119 Invalid, 560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 492 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-10 15:59:09,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2022-01-10 15:59:09,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 318. [2022-01-10 15:59:09,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 317 states have (on average 1.473186119873817) internal successors, (467), 317 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:59:09,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 467 transitions. [2022-01-10 15:59:09,519 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 467 transitions. Word has length 90 [2022-01-10 15:59:09,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:59:09,520 INFO L470 AbstractCegarLoop]: Abstraction has 318 states and 467 transitions. [2022-01-10 15:59:09,520 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 2 states have internal predecessors, (90), 0 states have call successors, (0), 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 15:59:09,520 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 467 transitions. [2022-01-10 15:59:09,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-01-10 15:59:09,527 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:59:09,527 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] [2022-01-10 15:59:09,527 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-10 15:59:09,528 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:59:09,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:59:09,530 INFO L85 PathProgramCache]: Analyzing trace with hash -172825548, now seen corresponding path program 1 times [2022-01-10 15:59:09,530 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:59:09,531 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056990069] [2022-01-10 15:59:09,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:59:09,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:59:09,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:59:09,754 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 15:59:09,754 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:59:09,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056990069] [2022-01-10 15:59:09,755 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056990069] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:59:09,755 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:59:09,755 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 15:59:09,755 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540390492] [2022-01-10 15:59:09,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:59:09,756 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 15:59:09,756 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:59:09,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 15:59:09,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-10 15:59:09,757 INFO L87 Difference]: Start difference. First operand 318 states and 467 transitions. Second operand has 4 states, 4 states have (on average 23.5) internal successors, (94), 3 states have internal predecessors, (94), 0 states have call successors, (0), 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 15:59:10,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:59:10,541 INFO L93 Difference]: Finished difference Result 999 states and 1508 transitions. [2022-01-10 15:59:10,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-10 15:59:10,542 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 3 states have internal predecessors, (94), 0 states have call successors, (0), 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 94 [2022-01-10 15:59:10,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:59:10,544 INFO L225 Difference]: With dead ends: 999 [2022-01-10 15:59:10,545 INFO L226 Difference]: Without dead ends: 600 [2022-01-10 15:59:10,545 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 15:59:10,547 INFO L933 BasicCegarLoop]: 80 mSDtfsCounter, 173 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 665 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 800 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 665 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-10 15:59:10,547 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [173 Valid, 113 Invalid, 800 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [135 Valid, 665 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-10 15:59:10,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2022-01-10 15:59:10,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 600. [2022-01-10 15:59:10,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 600 states, 599 states have (on average 1.358931552587646) internal successors, (814), 599 states have internal predecessors, (814), 0 states have call successors, (0), 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 15:59:10,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 814 transitions. [2022-01-10 15:59:10,564 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 814 transitions. Word has length 94 [2022-01-10 15:59:10,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:59:10,564 INFO L470 AbstractCegarLoop]: Abstraction has 600 states and 814 transitions. [2022-01-10 15:59:10,564 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 3 states have internal predecessors, (94), 0 states have call successors, (0), 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 15:59:10,565 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 814 transitions. [2022-01-10 15:59:10,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-01-10 15:59:10,567 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:59:10,567 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 15:59:10,567 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-10 15:59:10,568 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:59:10,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:59:10,568 INFO L85 PathProgramCache]: Analyzing trace with hash -1112542845, now seen corresponding path program 1 times [2022-01-10 15:59:10,568 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:59:10,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758411824] [2022-01-10 15:59:10,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:59:10,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:59:10,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:59:10,635 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 15:59:10,635 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:59:10,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758411824] [2022-01-10 15:59:10,635 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758411824] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:59:10,635 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:59:10,636 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 15:59:10,636 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590976478] [2022-01-10 15:59:10,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:59:10,636 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 15:59:10,637 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:59:10,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 15:59:10,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:59:10,637 INFO L87 Difference]: Start difference. First operand 600 states and 814 transitions. Second operand has 3 states, 3 states have (on average 36.0) internal successors, (108), 2 states have internal predecessors, (108), 0 states have call successors, (0), 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 15:59:11,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:59:11,161 INFO L93 Difference]: Finished difference Result 1764 states and 2397 transitions. [2022-01-10 15:59:11,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 15:59:11,162 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 2 states have internal predecessors, (108), 0 states have call successors, (0), 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 108 [2022-01-10 15:59:11,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:59:11,166 INFO L225 Difference]: With dead ends: 1764 [2022-01-10 15:59:11,167 INFO L226 Difference]: Without dead ends: 1166 [2022-01-10 15:59:11,168 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 15:59:11,169 INFO L933 BasicCegarLoop]: 112 mSDtfsCounter, 130 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-10 15:59:11,169 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [130 Valid, 130 Invalid, 446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 369 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-10 15:59:11,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1166 states. [2022-01-10 15:59:11,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1166 to 1164. [2022-01-10 15:59:11,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1164 states, 1163 states have (on average 1.2149613069647462) internal successors, (1413), 1163 states have internal predecessors, (1413), 0 states have call successors, (0), 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 15:59:11,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1164 states to 1164 states and 1413 transitions. [2022-01-10 15:59:11,203 INFO L78 Accepts]: Start accepts. Automaton has 1164 states and 1413 transitions. Word has length 108 [2022-01-10 15:59:11,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:59:11,203 INFO L470 AbstractCegarLoop]: Abstraction has 1164 states and 1413 transitions. [2022-01-10 15:59:11,203 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 2 states have internal predecessors, (108), 0 states have call successors, (0), 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 15:59:11,204 INFO L276 IsEmpty]: Start isEmpty. Operand 1164 states and 1413 transitions. [2022-01-10 15:59:11,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-01-10 15:59:11,215 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:59:11,215 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 15:59:11,215 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-10 15:59:11,215 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:59:11,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:59:11,216 INFO L85 PathProgramCache]: Analyzing trace with hash -780270108, now seen corresponding path program 1 times [2022-01-10 15:59:11,216 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:59:11,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644580184] [2022-01-10 15:59:11,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:59:11,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:59:11,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:59:11,325 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 15:59:11,325 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:59:11,325 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644580184] [2022-01-10 15:59:11,326 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644580184] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:59:11,326 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:59:11,326 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 15:59:11,327 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230195431] [2022-01-10 15:59:11,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:59:11,327 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 15:59:11,327 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:59:11,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 15:59:11,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:59:11,328 INFO L87 Difference]: Start difference. First operand 1164 states and 1413 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:59:11,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:59:11,851 INFO L93 Difference]: Finished difference Result 2890 states and 3593 transitions. [2022-01-10 15:59:11,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 15:59:11,857 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-01-10 15:59:11,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:59:11,862 INFO L225 Difference]: With dead ends: 2890 [2022-01-10 15:59:11,862 INFO L226 Difference]: Without dead ends: 1728 [2022-01-10 15:59:11,864 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 15:59:11,865 INFO L933 BasicCegarLoop]: 46 mSDtfsCounter, 167 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 349 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-10 15:59:11,866 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [167 Valid, 53 Invalid, 469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 349 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-10 15:59:11,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1728 states. [2022-01-10 15:59:11,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1728 to 1724. [2022-01-10 15:59:11,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1724 states, 1723 states have (on average 1.2385374347069065) internal successors, (2134), 1723 states have internal predecessors, (2134), 0 states have call successors, (0), 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 15:59:11,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1724 states to 1724 states and 2134 transitions. [2022-01-10 15:59:11,898 INFO L78 Accepts]: Start accepts. Automaton has 1724 states and 2134 transitions. Word has length 113 [2022-01-10 15:59:11,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:59:11,899 INFO L470 AbstractCegarLoop]: Abstraction has 1724 states and 2134 transitions. [2022-01-10 15:59:11,899 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:59:11,899 INFO L276 IsEmpty]: Start isEmpty. Operand 1724 states and 2134 transitions. [2022-01-10 15:59:11,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-10 15:59:11,902 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:59:11,902 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 15:59:11,902 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-10 15:59:11,902 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:59:11,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:59:11,903 INFO L85 PathProgramCache]: Analyzing trace with hash 2037548000, now seen corresponding path program 1 times [2022-01-10 15:59:11,903 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:59:11,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397385933] [2022-01-10 15:59:11,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:59:11,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:59:11,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:59:12,032 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-01-10 15:59:12,032 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:59:12,032 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397385933] [2022-01-10 15:59:12,032 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397385933] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:59:12,032 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:59:12,033 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 15:59:12,033 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310214642] [2022-01-10 15:59:12,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:59:12,033 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 15:59:12,034 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:59:12,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 15:59:12,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:59:12,034 INFO L87 Difference]: Start difference. First operand 1724 states and 2134 transitions. Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 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 15:59:12,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:59:12,552 INFO L93 Difference]: Finished difference Result 4006 states and 5011 transitions. [2022-01-10 15:59:12,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 15:59:12,553 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-10 15:59:12,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:59:12,558 INFO L225 Difference]: With dead ends: 4006 [2022-01-10 15:59:12,558 INFO L226 Difference]: Without dead ends: 1577 [2022-01-10 15:59:12,562 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 15:59:12,570 INFO L933 BasicCegarLoop]: 252 mSDtfsCounter, 56 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 342 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 276 SdHoareTripleChecker+Invalid, 429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-10 15:59:12,571 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [56 Valid, 276 Invalid, 429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 342 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-10 15:59:12,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1577 states. [2022-01-10 15:59:12,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1577 to 1577. [2022-01-10 15:59:12,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1577 states, 1576 states have (on average 1.1884517766497462) internal successors, (1873), 1576 states have internal predecessors, (1873), 0 states have call successors, (0), 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 15:59:12,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1577 states to 1577 states and 1873 transitions. [2022-01-10 15:59:12,608 INFO L78 Accepts]: Start accepts. Automaton has 1577 states and 1873 transitions. Word has length 117 [2022-01-10 15:59:12,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:59:12,609 INFO L470 AbstractCegarLoop]: Abstraction has 1577 states and 1873 transitions. [2022-01-10 15:59:12,610 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 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 15:59:12,611 INFO L276 IsEmpty]: Start isEmpty. Operand 1577 states and 1873 transitions. [2022-01-10 15:59:12,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-01-10 15:59:12,619 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:59:12,619 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 15:59:12,619 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-10 15:59:12,619 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:59:12,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:59:12,620 INFO L85 PathProgramCache]: Analyzing trace with hash 386652485, now seen corresponding path program 1 times [2022-01-10 15:59:12,620 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:59:12,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900680385] [2022-01-10 15:59:12,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:59:12,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:59:12,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:59:12,698 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-01-10 15:59:12,698 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:59:12,698 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900680385] [2022-01-10 15:59:12,698 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1900680385] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:59:12,698 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:59:12,698 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 15:59:12,699 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654148032] [2022-01-10 15:59:12,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:59:12,700 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 15:59:12,701 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:59:12,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 15:59:12,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:59:12,701 INFO L87 Difference]: Start difference. First operand 1577 states and 1873 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 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 15:59:13,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:59:13,173 INFO L93 Difference]: Finished difference Result 4279 states and 5077 transitions. [2022-01-10 15:59:13,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 15:59:13,174 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 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 128 [2022-01-10 15:59:13,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:59:13,181 INFO L225 Difference]: With dead ends: 4279 [2022-01-10 15:59:13,181 INFO L226 Difference]: Without dead ends: 2424 [2022-01-10 15:59:13,184 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 15:59:13,184 INFO L933 BasicCegarLoop]: 234 mSDtfsCounter, 137 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 334 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-10 15:59:13,185 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [137 Valid, 255 Invalid, 397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 334 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-10 15:59:13,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2424 states. [2022-01-10 15:59:13,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2424 to 2416. [2022-01-10 15:59:13,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2416 states, 2415 states have (on average 1.158592132505176) internal successors, (2798), 2415 states have internal predecessors, (2798), 0 states have call successors, (0), 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 15:59:13,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2416 states to 2416 states and 2798 transitions. [2022-01-10 15:59:13,224 INFO L78 Accepts]: Start accepts. Automaton has 2416 states and 2798 transitions. Word has length 128 [2022-01-10 15:59:13,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:59:13,224 INFO L470 AbstractCegarLoop]: Abstraction has 2416 states and 2798 transitions. [2022-01-10 15:59:13,225 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 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 15:59:13,225 INFO L276 IsEmpty]: Start isEmpty. Operand 2416 states and 2798 transitions. [2022-01-10 15:59:13,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-01-10 15:59:13,228 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:59:13,228 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 15:59:13,228 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-10 15:59:13,229 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:59:13,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:59:13,229 INFO L85 PathProgramCache]: Analyzing trace with hash -282778614, now seen corresponding path program 1 times [2022-01-10 15:59:13,229 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:59:13,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984468701] [2022-01-10 15:59:13,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:59:13,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:59:13,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:59:13,313 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-01-10 15:59:13,314 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:59:13,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984468701] [2022-01-10 15:59:13,314 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984468701] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:59:13,314 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:59:13,314 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 15:59:13,315 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85281388] [2022-01-10 15:59:13,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:59:13,315 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 15:59:13,315 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:59:13,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 15:59:13,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:59:13,316 INFO L87 Difference]: Start difference. First operand 2416 states and 2798 transitions. Second operand has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:59:13,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:59:13,777 INFO L93 Difference]: Finished difference Result 4836 states and 5604 transitions. [2022-01-10 15:59:13,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 15:59:13,778 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 142 [2022-01-10 15:59:13,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:59:13,793 INFO L225 Difference]: With dead ends: 4836 [2022-01-10 15:59:13,794 INFO L226 Difference]: Without dead ends: 2421 [2022-01-10 15:59:13,799 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 15:59:13,800 INFO L933 BasicCegarLoop]: 73 mSDtfsCounter, 132 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 328 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-10 15:59:13,800 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [132 Valid, 96 Invalid, 376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 328 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-10 15:59:13,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2421 states. [2022-01-10 15:59:13,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2421 to 2414. [2022-01-10 15:59:13,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2414 states, 2413 states have (on average 1.1342726895980109) internal successors, (2737), 2413 states have internal predecessors, (2737), 0 states have call successors, (0), 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 15:59:13,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2414 states to 2414 states and 2737 transitions. [2022-01-10 15:59:13,848 INFO L78 Accepts]: Start accepts. Automaton has 2414 states and 2737 transitions. Word has length 142 [2022-01-10 15:59:13,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:59:13,848 INFO L470 AbstractCegarLoop]: Abstraction has 2414 states and 2737 transitions. [2022-01-10 15:59:13,848 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:59:13,848 INFO L276 IsEmpty]: Start isEmpty. Operand 2414 states and 2737 transitions. [2022-01-10 15:59:13,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-01-10 15:59:13,852 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:59:13,852 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 15:59:13,853 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-10 15:59:13,853 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:59:13,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:59:13,853 INFO L85 PathProgramCache]: Analyzing trace with hash 577117578, now seen corresponding path program 1 times [2022-01-10 15:59:13,853 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:59:13,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075510400] [2022-01-10 15:59:13,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:59:13,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:59:13,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:59:13,994 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-01-10 15:59:13,994 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:59:13,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075510400] [2022-01-10 15:59:13,995 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075510400] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:59:13,995 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:59:13,995 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 15:59:13,995 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538823354] [2022-01-10 15:59:13,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:59:13,996 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 15:59:13,996 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:59:13,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 15:59:13,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-01-10 15:59:13,996 INFO L87 Difference]: Start difference. First operand 2414 states and 2737 transitions. Second operand has 5 states, 5 states have (on average 26.6) internal successors, (133), 4 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:59:14,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:59:14,811 INFO L93 Difference]: Finished difference Result 4871 states and 5517 transitions. [2022-01-10 15:59:14,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-10 15:59:14,812 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.6) internal successors, (133), 4 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 150 [2022-01-10 15:59:14,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:59:14,821 INFO L225 Difference]: With dead ends: 4871 [2022-01-10 15:59:14,821 INFO L226 Difference]: Without dead ends: 2459 [2022-01-10 15:59:14,824 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 15:59:14,825 INFO L933 BasicCegarLoop]: 63 mSDtfsCounter, 417 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 809 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 417 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 926 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 809 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-10 15:59:14,826 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [417 Valid, 101 Invalid, 926 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 809 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-10 15:59:14,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2459 states. [2022-01-10 15:59:14,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2459 to 2414. [2022-01-10 15:59:14,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2414 states, 2413 states have (on average 1.1230832987981765) internal successors, (2710), 2413 states have internal predecessors, (2710), 0 states have call successors, (0), 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 15:59:14,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2414 states to 2414 states and 2710 transitions. [2022-01-10 15:59:14,872 INFO L78 Accepts]: Start accepts. Automaton has 2414 states and 2710 transitions. Word has length 150 [2022-01-10 15:59:14,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:59:14,875 INFO L470 AbstractCegarLoop]: Abstraction has 2414 states and 2710 transitions. [2022-01-10 15:59:14,875 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.6) internal successors, (133), 4 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:59:14,875 INFO L276 IsEmpty]: Start isEmpty. Operand 2414 states and 2710 transitions. [2022-01-10 15:59:14,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-01-10 15:59:14,879 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:59:14,880 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 15:59:14,880 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-01-10 15:59:14,880 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:59:14,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:59:14,880 INFO L85 PathProgramCache]: Analyzing trace with hash 500255439, now seen corresponding path program 1 times [2022-01-10 15:59:14,881 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:59:14,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102776770] [2022-01-10 15:59:14,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:59:14,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:59:14,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:59:14,981 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-01-10 15:59:14,981 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:59:14,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102776770] [2022-01-10 15:59:14,982 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102776770] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:59:14,982 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:59:14,982 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 15:59:14,982 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812924260] [2022-01-10 15:59:14,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:59:14,982 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 15:59:14,982 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:59:14,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 15:59:14,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:59:14,983 INFO L87 Difference]: Start difference. First operand 2414 states and 2710 transitions. Second operand has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 0 states have call successors, (0), 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 15:59:15,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:59:15,464 INFO L93 Difference]: Finished difference Result 5671 states and 6424 transitions. [2022-01-10 15:59:15,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 15:59:15,464 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 0 states have call successors, (0), 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 172 [2022-01-10 15:59:15,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:59:15,476 INFO L225 Difference]: With dead ends: 5671 [2022-01-10 15:59:15,476 INFO L226 Difference]: Without dead ends: 3259 [2022-01-10 15:59:15,484 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 15:59:15,484 INFO L933 BasicCegarLoop]: 195 mSDtfsCounter, 134 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 339 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-10 15:59:15,485 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [134 Valid, 206 Invalid, 406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 339 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-10 15:59:15,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3259 states. [2022-01-10 15:59:15,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3259 to 3257. [2022-01-10 15:59:15,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3257 states, 3256 states have (on average 1.1173218673218672) internal successors, (3638), 3256 states have internal predecessors, (3638), 0 states have call successors, (0), 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 15:59:15,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3257 states to 3257 states and 3638 transitions. [2022-01-10 15:59:15,541 INFO L78 Accepts]: Start accepts. Automaton has 3257 states and 3638 transitions. Word has length 172 [2022-01-10 15:59:15,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:59:15,542 INFO L470 AbstractCegarLoop]: Abstraction has 3257 states and 3638 transitions. [2022-01-10 15:59:15,542 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 0 states have call successors, (0), 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 15:59:15,542 INFO L276 IsEmpty]: Start isEmpty. Operand 3257 states and 3638 transitions. [2022-01-10 15:59:15,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-10 15:59:15,548 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:59:15,548 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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 15:59:15,549 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-01-10 15:59:15,549 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:59:15,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:59:15,549 INFO L85 PathProgramCache]: Analyzing trace with hash 1658795499, now seen corresponding path program 1 times [2022-01-10 15:59:15,549 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:59:15,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800952491] [2022-01-10 15:59:15,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:59:15,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:59:15,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:59:15,717 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2022-01-10 15:59:15,718 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:59:15,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800952491] [2022-01-10 15:59:15,718 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800952491] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:59:15,718 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:59:15,718 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 15:59:15,718 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477486572] [2022-01-10 15:59:15,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:59:15,719 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 15:59:15,719 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:59:15,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 15:59:15,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-01-10 15:59:15,719 INFO L87 Difference]: Start difference. First operand 3257 states and 3638 transitions. Second operand has 5 states, 5 states have (on average 34.0) internal successors, (170), 4 states have internal predecessors, (170), 0 states have call successors, (0), 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 15:59:16,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:59:16,555 INFO L93 Difference]: Finished difference Result 7144 states and 7948 transitions. [2022-01-10 15:59:16,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-10 15:59:16,556 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 34.0) internal successors, (170), 4 states have internal predecessors, (170), 0 states have call successors, (0), 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 231 [2022-01-10 15:59:16,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:59:16,567 INFO L225 Difference]: With dead ends: 7144 [2022-01-10 15:59:16,567 INFO L226 Difference]: Without dead ends: 3178 [2022-01-10 15:59:16,571 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 15:59:16,571 INFO L933 BasicCegarLoop]: 60 mSDtfsCounter, 334 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 875 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 334 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 993 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 875 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-10 15:59:16,572 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [334 Valid, 104 Invalid, 993 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 875 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-10 15:59:16,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3178 states. [2022-01-10 15:59:16,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3178 to 2975. [2022-01-10 15:59:16,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2975 states, 2974 states have (on average 1.0770006724949563) internal successors, (3203), 2974 states have internal predecessors, (3203), 0 states have call successors, (0), 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 15:59:16,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2975 states to 2975 states and 3203 transitions. [2022-01-10 15:59:16,620 INFO L78 Accepts]: Start accepts. Automaton has 2975 states and 3203 transitions. Word has length 231 [2022-01-10 15:59:16,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:59:16,620 INFO L470 AbstractCegarLoop]: Abstraction has 2975 states and 3203 transitions. [2022-01-10 15:59:16,621 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 34.0) internal successors, (170), 4 states have internal predecessors, (170), 0 states have call successors, (0), 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 15:59:16,621 INFO L276 IsEmpty]: Start isEmpty. Operand 2975 states and 3203 transitions. [2022-01-10 15:59:16,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2022-01-10 15:59:16,626 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:59:16,626 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 15:59:16,626 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-01-10 15:59:16,626 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:59:16,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:59:16,627 INFO L85 PathProgramCache]: Analyzing trace with hash 1204879884, now seen corresponding path program 1 times [2022-01-10 15:59:16,627 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:59:16,627 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053526085] [2022-01-10 15:59:16,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:59:16,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:59:16,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:59:16,769 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 250 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2022-01-10 15:59:16,770 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:59:16,770 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053526085] [2022-01-10 15:59:16,770 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053526085] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:59:16,770 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:59:16,770 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 15:59:16,770 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617948543] [2022-01-10 15:59:16,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:59:16,771 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 15:59:16,771 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:59:16,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 15:59:16,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-10 15:59:16,772 INFO L87 Difference]: Start difference. First operand 2975 states and 3203 transitions. Second operand has 4 states, 4 states have (on average 47.25) internal successors, (189), 4 states have internal predecessors, (189), 0 states have call successors, (0), 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 15:59:17,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:59:17,430 INFO L93 Difference]: Finished difference Result 6234 states and 6711 transitions. [2022-01-10 15:59:17,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-10 15:59:17,431 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 47.25) internal successors, (189), 4 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 241 [2022-01-10 15:59:17,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:59:17,441 INFO L225 Difference]: With dead ends: 6234 [2022-01-10 15:59:17,441 INFO L226 Difference]: Without dead ends: 3121 [2022-01-10 15:59:17,446 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 15:59:17,447 INFO L933 BasicCegarLoop]: 200 mSDtfsCounter, 260 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 648 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 260 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 685 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 648 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-10 15:59:17,447 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [260 Valid, 240 Invalid, 685 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 648 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-10 15:59:17,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3121 states. [2022-01-10 15:59:17,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3121 to 3115. [2022-01-10 15:59:17,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3115 states, 3114 states have (on average 1.069043031470777) internal successors, (3329), 3114 states have internal predecessors, (3329), 0 states have call successors, (0), 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 15:59:17,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3115 states to 3115 states and 3329 transitions. [2022-01-10 15:59:17,499 INFO L78 Accepts]: Start accepts. Automaton has 3115 states and 3329 transitions. Word has length 241 [2022-01-10 15:59:17,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:59:17,499 INFO L470 AbstractCegarLoop]: Abstraction has 3115 states and 3329 transitions. [2022-01-10 15:59:17,499 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 47.25) internal successors, (189), 4 states have internal predecessors, (189), 0 states have call successors, (0), 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 15:59:17,499 INFO L276 IsEmpty]: Start isEmpty. Operand 3115 states and 3329 transitions. [2022-01-10 15:59:17,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2022-01-10 15:59:17,506 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:59:17,507 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-01-10 15:59:17,508 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-01-10 15:59:17,508 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:59:17,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:59:17,508 INFO L85 PathProgramCache]: Analyzing trace with hash 373720337, now seen corresponding path program 1 times [2022-01-10 15:59:17,508 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:59:17,509 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222127115] [2022-01-10 15:59:17,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:59:17,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:59:17,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:59:17,669 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 252 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-01-10 15:59:17,669 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:59:17,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222127115] [2022-01-10 15:59:17,669 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222127115] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:59:17,670 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:59:17,670 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 15:59:17,670 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726250454] [2022-01-10 15:59:17,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:59:17,670 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 15:59:17,671 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:59:17,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 15:59:17,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:59:17,671 INFO L87 Difference]: Start difference. First operand 3115 states and 3329 transitions. Second operand has 3 states, 3 states have (on average 66.66666666666667) 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 15:59:18,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:59:18,061 INFO L93 Difference]: Finished difference Result 6792 states and 7260 transitions. [2022-01-10 15:59:18,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 15:59:18,061 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 66.66666666666667) 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 249 [2022-01-10 15:59:18,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:59:18,070 INFO L225 Difference]: With dead ends: 6792 [2022-01-10 15:59:18,070 INFO L226 Difference]: Without dead ends: 3679 [2022-01-10 15:59:18,074 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 15:59:18,074 INFO L933 BasicCegarLoop]: 209 mSDtfsCounter, 113 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 343 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 343 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-10 15:59:18,075 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [113 Valid, 222 Invalid, 350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 343 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-10 15:59:18,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3679 states. [2022-01-10 15:59:18,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3679 to 3537. [2022-01-10 15:59:18,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3537 states, 3536 states have (on average 1.0684389140271493) internal successors, (3778), 3536 states have internal predecessors, (3778), 0 states have call successors, (0), 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 15:59:18,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3537 states to 3537 states and 3778 transitions. [2022-01-10 15:59:18,130 INFO L78 Accepts]: Start accepts. Automaton has 3537 states and 3778 transitions. Word has length 249 [2022-01-10 15:59:18,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:59:18,130 INFO L470 AbstractCegarLoop]: Abstraction has 3537 states and 3778 transitions. [2022-01-10 15:59:18,130 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.66666666666667) 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 15:59:18,130 INFO L276 IsEmpty]: Start isEmpty. Operand 3537 states and 3778 transitions. [2022-01-10 15:59:18,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2022-01-10 15:59:18,137 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:59:18,137 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-01-10 15:59:18,137 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-01-10 15:59:18,137 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:59:18,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:59:18,138 INFO L85 PathProgramCache]: Analyzing trace with hash -2070702542, now seen corresponding path program 1 times [2022-01-10 15:59:18,138 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:59:18,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124740927] [2022-01-10 15:59:18,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:59:18,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:59:18,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:59:18,253 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 245 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2022-01-10 15:59:18,253 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:59:18,254 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124740927] [2022-01-10 15:59:18,254 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124740927] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:59:18,254 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:59:18,254 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 15:59:18,254 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063312597] [2022-01-10 15:59:18,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:59:18,255 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 15:59:18,255 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:59:18,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 15:59:18,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:59:18,256 INFO L87 Difference]: Start difference. First operand 3537 states and 3778 transitions. Second operand has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 0 states have call successors, (0), 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 15:59:18,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:59:18,658 INFO L93 Difference]: Finished difference Result 7773 states and 8305 transitions. [2022-01-10 15:59:18,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 15:59:18,658 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 0 states have call successors, (0), 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 254 [2022-01-10 15:59:18,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:59:18,670 INFO L225 Difference]: With dead ends: 7773 [2022-01-10 15:59:18,670 INFO L226 Difference]: Without dead ends: 3956 [2022-01-10 15:59:18,674 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 15:59:18,675 INFO L933 BasicCegarLoop]: 54 mSDtfsCounter, 155 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 318 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-10 15:59:18,675 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [155 Valid, 66 Invalid, 352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 318 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-10 15:59:18,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3956 states. [2022-01-10 15:59:18,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3956 to 3816. [2022-01-10 15:59:18,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3816 states, 3815 states have (on average 1.0623853211009173) internal successors, (4053), 3815 states have internal predecessors, (4053), 0 states have call successors, (0), 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 15:59:18,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3816 states to 3816 states and 4053 transitions. [2022-01-10 15:59:18,767 INFO L78 Accepts]: Start accepts. Automaton has 3816 states and 4053 transitions. Word has length 254 [2022-01-10 15:59:18,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:59:18,767 INFO L470 AbstractCegarLoop]: Abstraction has 3816 states and 4053 transitions. [2022-01-10 15:59:18,768 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 0 states have call successors, (0), 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 15:59:18,768 INFO L276 IsEmpty]: Start isEmpty. Operand 3816 states and 4053 transitions. [2022-01-10 15:59:18,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2022-01-10 15:59:18,775 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:59:18,775 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-01-10 15:59:18,775 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-01-10 15:59:18,776 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:59:18,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:59:18,776 INFO L85 PathProgramCache]: Analyzing trace with hash -1726246628, now seen corresponding path program 1 times [2022-01-10 15:59:18,776 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:59:18,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985281178] [2022-01-10 15:59:18,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:59:18,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:59:18,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:59:18,946 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 300 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-01-10 15:59:18,947 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:59:18,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985281178] [2022-01-10 15:59:18,947 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985281178] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:59:18,947 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:59:18,947 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 15:59:18,947 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53001368] [2022-01-10 15:59:18,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:59:18,948 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 15:59:18,948 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:59:18,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 15:59:18,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:59:18,948 INFO L87 Difference]: Start difference. First operand 3816 states and 4053 transitions. Second operand has 3 states, 3 states have (on average 73.0) internal successors, (219), 3 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:59:19,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:59:19,287 INFO L93 Difference]: Finished difference Result 6214 states and 6595 transitions. [2022-01-10 15:59:19,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 15:59:19,288 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 73.0) internal successors, (219), 3 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 273 [2022-01-10 15:59:19,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:59:19,288 INFO L225 Difference]: With dead ends: 6214 [2022-01-10 15:59:19,288 INFO L226 Difference]: Without dead ends: 0 [2022-01-10 15:59:19,293 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 15:59:19,293 INFO L933 BasicCegarLoop]: 173 mSDtfsCounter, 102 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 305 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-10 15:59:19,293 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [102 Valid, 180 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 305 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-10 15:59:19,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-10 15:59:19,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-10 15:59:19,294 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 15:59:19,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-10 15:59:19,294 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 273 [2022-01-10 15:59:19,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:59:19,295 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-10 15:59:19,295 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 73.0) internal successors, (219), 3 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:59:19,295 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-10 15:59:19,295 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-10 15:59:19,297 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 15:59:19,298 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-01-10 15:59:19,299 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-10 15:59:20,601 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-10 15:59:20,601 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-10 15:59:20,601 INFO L854 garLoopResultBuilder]: At program point L616-2(lines 616 626) the Hoare annotation is: (let ((.cse13 (= ~a11~0Int 1)) (.cse11 (= ~a25~0Int 1))) (let ((.cse0 (not .cse11)) (.cse10 (<= ~a25~0Int 0)) (.cse6 (<= 10 ~a28~0Int)) (.cse9 (<= ~a28~0Int 7)) (.cse8 (<= ~a19~0Int 0)) (.cse12 (<= 9 ~a28~0Int)) (.cse7 (= ~a11~0Int 0)) (.cse4 (<= ~a28~0Int 10)) (.cse1 (= ~a21~0Int 1)) (.cse2 (= ~a17~0Int 8)) (.cse3 (not .cse13)) (.cse5 (= ~a19~0Int 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~a28~0Int 10) .cse5) (and .cse6 .cse7 .cse4 .cse8) (and .cse0 .cse4 .cse8) (and .cse1 .cse2 .cse7 .cse9 .cse5) (and .cse7 .cse10 .cse8) (<= ~a17~0Int 7) (and .cse9 .cse11 .cse5) (and .cse7 .cse4 .cse11 .cse5) (and .cse0 .cse12 .cse1 .cse2 .cse10 .cse4 .cse5) (and .cse6 .cse4 .cse11 .cse5) (and .cse9 .cse8) (and .cse12 .cse1 .cse2 .cse7 .cse4 .cse5) (and .cse13 (= 9 ~a28~0Int) .cse1 .cse2 .cse11 .cse5) (and .cse1 .cse2 (not (= |ULTIMATE.start_ULTIMATE.start_calculate_output_~input#1Int| 3)) .cse3 (= ~a28~0Int 11) .cse11 .cse5)))) [2022-01-10 15:59:20,602 INFO L861 garLoopResultBuilder]: At program point L610(lines 610 627) the Hoare annotation is: true [2022-01-10 15:59:20,602 INFO L858 garLoopResultBuilder]: For program point L621(line 621) no Hoare annotation was computed. [2022-01-10 15:59:20,602 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-10 15:59:20,602 INFO L858 garLoopResultBuilder]: For program point L40(lines 40 423) no Hoare annotation was computed. [2022-01-10 15:59:20,602 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-10 15:59:20,602 INFO L854 garLoopResultBuilder]: At program point L607(lines 39 608) the Hoare annotation is: (let ((.cse13 (= ~a11~0Int 1)) (.cse11 (= ~a25~0Int 1))) (let ((.cse0 (not .cse11)) (.cse10 (<= ~a25~0Int 0)) (.cse6 (<= 10 ~a28~0Int)) (.cse9 (<= ~a28~0Int 7)) (.cse8 (<= ~a19~0Int 0)) (.cse12 (<= 9 ~a28~0Int)) (.cse7 (= ~a11~0Int 0)) (.cse4 (<= ~a28~0Int 10)) (.cse1 (= ~a21~0Int 1)) (.cse2 (= ~a17~0Int 8)) (.cse3 (not .cse13)) (.cse5 (= ~a19~0Int 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~a28~0Int 10) .cse5) (and .cse6 .cse7 .cse4 .cse8) (and .cse0 .cse4 .cse8) (and .cse1 .cse2 .cse7 .cse9 .cse5) (and .cse7 .cse10 .cse8) (<= ~a17~0Int 7) (and .cse9 .cse11 .cse5) (and .cse7 .cse4 .cse11 .cse5) (and .cse0 .cse12 .cse1 .cse2 .cse10 .cse4 .cse5) (and .cse6 .cse4 .cse11 .cse5) (and .cse9 .cse8) (and .cse12 .cse1 .cse2 .cse7 .cse4 .cse5) (and .cse13 (= 9 ~a28~0Int) .cse1 .cse2 .cse11 .cse5) (and .cse1 .cse2 (not (= |ULTIMATE.start_ULTIMATE.start_calculate_output_~input#1Int| 3)) .cse3 (= ~a28~0Int 11) .cse11 .cse5)))) [2022-01-10 15:59:20,602 INFO L858 garLoopResultBuilder]: For program point L45(lines 45 423) no Hoare annotation was computed. [2022-01-10 15:59:20,602 INFO L858 garLoopResultBuilder]: For program point L48(lines 48 423) no Hoare annotation was computed. [2022-01-10 15:59:20,602 INFO L858 garLoopResultBuilder]: For program point L52(lines 52 423) no Hoare annotation was computed. [2022-01-10 15:59:20,602 INFO L858 garLoopResultBuilder]: For program point L57(lines 57 423) no Hoare annotation was computed. [2022-01-10 15:59:20,603 INFO L858 garLoopResultBuilder]: For program point L60(lines 60 423) no Hoare annotation was computed. [2022-01-10 15:59:20,603 INFO L858 garLoopResultBuilder]: For program point L64(lines 64 423) no Hoare annotation was computed. [2022-01-10 15:59:20,603 INFO L858 garLoopResultBuilder]: For program point L69(lines 69 423) no Hoare annotation was computed. [2022-01-10 15:59:20,603 INFO L858 garLoopResultBuilder]: For program point L75(lines 75 423) no Hoare annotation was computed. [2022-01-10 15:59:20,603 INFO L858 garLoopResultBuilder]: For program point L79(lines 79 423) no Hoare annotation was computed. [2022-01-10 15:59:20,603 INFO L858 garLoopResultBuilder]: For program point L84(lines 84 423) no Hoare annotation was computed. [2022-01-10 15:59:20,603 INFO L858 garLoopResultBuilder]: For program point L85(lines 85 90) no Hoare annotation was computed. [2022-01-10 15:59:20,603 INFO L858 garLoopResultBuilder]: For program point L92(lines 92 423) no Hoare annotation was computed. [2022-01-10 15:59:20,603 INFO L858 garLoopResultBuilder]: For program point L85-2(lines 85 90) no Hoare annotation was computed. [2022-01-10 15:59:20,603 INFO L858 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2022-01-10 15:59:20,603 INFO L858 garLoopResultBuilder]: For program point L101(lines 101 423) no Hoare annotation was computed. [2022-01-10 15:59:20,603 INFO L858 garLoopResultBuilder]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2022-01-10 15:59:20,604 INFO L858 garLoopResultBuilder]: For program point L105(lines 105 423) no Hoare annotation was computed. [2022-01-10 15:59:20,604 INFO L858 garLoopResultBuilder]: For program point L109(lines 109 423) no Hoare annotation was computed. [2022-01-10 15:59:20,604 INFO L858 garLoopResultBuilder]: For program point L116(lines 116 423) no Hoare annotation was computed. [2022-01-10 15:59:20,604 INFO L858 garLoopResultBuilder]: For program point L123(lines 123 423) no Hoare annotation was computed. [2022-01-10 15:59:20,604 INFO L858 garLoopResultBuilder]: For program point L129(lines 129 423) no Hoare annotation was computed. [2022-01-10 15:59:20,604 INFO L858 garLoopResultBuilder]: For program point L133(lines 133 423) no Hoare annotation was computed. [2022-01-10 15:59:20,604 INFO L858 garLoopResultBuilder]: For program point L140(lines 140 423) no Hoare annotation was computed. [2022-01-10 15:59:20,604 INFO L858 garLoopResultBuilder]: For program point L144(lines 144 423) no Hoare annotation was computed. [2022-01-10 15:59:20,604 INFO L858 garLoopResultBuilder]: For program point L149(lines 149 423) no Hoare annotation was computed. [2022-01-10 15:59:20,604 INFO L858 garLoopResultBuilder]: For program point L153(lines 153 423) no Hoare annotation was computed. [2022-01-10 15:59:20,604 INFO L858 garLoopResultBuilder]: For program point L158(lines 158 423) no Hoare annotation was computed. [2022-01-10 15:59:20,604 INFO L858 garLoopResultBuilder]: For program point L164(lines 164 423) no Hoare annotation was computed. [2022-01-10 15:59:20,605 INFO L858 garLoopResultBuilder]: For program point L169(lines 169 423) no Hoare annotation was computed. [2022-01-10 15:59:20,605 INFO L858 garLoopResultBuilder]: For program point L175(lines 175 423) no Hoare annotation was computed. [2022-01-10 15:59:20,605 INFO L858 garLoopResultBuilder]: For program point L179(lines 179 423) no Hoare annotation was computed. [2022-01-10 15:59:20,605 INFO L858 garLoopResultBuilder]: For program point L185(lines 185 423) no Hoare annotation was computed. [2022-01-10 15:59:20,605 INFO L858 garLoopResultBuilder]: For program point L189(lines 189 423) no Hoare annotation was computed. [2022-01-10 15:59:20,605 INFO L858 garLoopResultBuilder]: For program point L195(lines 195 423) no Hoare annotation was computed. [2022-01-10 15:59:20,605 INFO L858 garLoopResultBuilder]: For program point L197(lines 197 423) no Hoare annotation was computed. [2022-01-10 15:59:20,605 INFO L858 garLoopResultBuilder]: For program point L199(lines 199 423) no Hoare annotation was computed. [2022-01-10 15:59:20,605 INFO L858 garLoopResultBuilder]: For program point L201(lines 201 423) no Hoare annotation was computed. [2022-01-10 15:59:20,605 INFO L858 garLoopResultBuilder]: For program point L204(lines 204 423) no Hoare annotation was computed. [2022-01-10 15:59:20,605 INFO L858 garLoopResultBuilder]: For program point L208(lines 208 423) no Hoare annotation was computed. [2022-01-10 15:59:20,605 INFO L858 garLoopResultBuilder]: For program point L212(lines 212 423) no Hoare annotation was computed. [2022-01-10 15:59:20,605 INFO L858 garLoopResultBuilder]: For program point L213(lines 213 220) no Hoare annotation was computed. [2022-01-10 15:59:20,605 INFO L858 garLoopResultBuilder]: For program point L222(lines 222 423) no Hoare annotation was computed. [2022-01-10 15:59:20,605 INFO L858 garLoopResultBuilder]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2022-01-10 15:59:20,606 INFO L858 garLoopResultBuilder]: For program point L225(lines 225 423) no Hoare annotation was computed. [2022-01-10 15:59:20,606 INFO L858 garLoopResultBuilder]: For program point L228(lines 228 423) no Hoare annotation was computed. [2022-01-10 15:59:20,606 INFO L858 garLoopResultBuilder]: For program point L233(lines 233 423) no Hoare annotation was computed. [2022-01-10 15:59:20,606 INFO L858 garLoopResultBuilder]: For program point L235(lines 235 423) no Hoare annotation was computed. [2022-01-10 15:59:20,606 INFO L858 garLoopResultBuilder]: For program point L242(lines 242 423) no Hoare annotation was computed. [2022-01-10 15:59:20,606 INFO L858 garLoopResultBuilder]: For program point L244(lines 244 423) no Hoare annotation was computed. [2022-01-10 15:59:20,606 INFO L858 garLoopResultBuilder]: For program point L247(lines 247 423) no Hoare annotation was computed. [2022-01-10 15:59:20,611 INFO L858 garLoopResultBuilder]: For program point L248(lines 248 256) no Hoare annotation was computed. [2022-01-10 15:59:20,611 INFO L858 garLoopResultBuilder]: For program point L258(lines 258 423) no Hoare annotation was computed. [2022-01-10 15:59:20,611 INFO L858 garLoopResultBuilder]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2022-01-10 15:59:20,612 INFO L858 garLoopResultBuilder]: For program point L263(lines 263 423) no Hoare annotation was computed. [2022-01-10 15:59:20,612 INFO L858 garLoopResultBuilder]: For program point L269(lines 269 423) no Hoare annotation was computed. [2022-01-10 15:59:20,612 INFO L858 garLoopResultBuilder]: For program point L271(lines 271 423) no Hoare annotation was computed. [2022-01-10 15:59:20,612 INFO L858 garLoopResultBuilder]: For program point L272(lines 272 284) no Hoare annotation was computed. [2022-01-10 15:59:20,612 INFO L858 garLoopResultBuilder]: For program point L286(lines 286 423) no Hoare annotation was computed. [2022-01-10 15:59:20,612 INFO L858 garLoopResultBuilder]: For program point L272-2(lines 272 284) no Hoare annotation was computed. [2022-01-10 15:59:20,612 INFO L858 garLoopResultBuilder]: For program point L290(lines 290 423) no Hoare annotation was computed. [2022-01-10 15:59:20,612 INFO L858 garLoopResultBuilder]: For program point L293(lines 293 423) no Hoare annotation was computed. [2022-01-10 15:59:20,612 INFO L858 garLoopResultBuilder]: For program point L296(lines 296 423) no Hoare annotation was computed. [2022-01-10 15:59:20,613 INFO L858 garLoopResultBuilder]: For program point L301(lines 301 423) no Hoare annotation was computed. [2022-01-10 15:59:20,613 INFO L858 garLoopResultBuilder]: For program point L303(lines 303 423) no Hoare annotation was computed. [2022-01-10 15:59:20,613 INFO L858 garLoopResultBuilder]: For program point L307(lines 307 423) no Hoare annotation was computed. [2022-01-10 15:59:20,613 INFO L858 garLoopResultBuilder]: For program point L308(lines 308 317) no Hoare annotation was computed. [2022-01-10 15:59:20,613 INFO L858 garLoopResultBuilder]: For program point L319(lines 319 423) no Hoare annotation was computed. [2022-01-10 15:59:20,613 INFO L858 garLoopResultBuilder]: For program point L308-2(lines 308 317) no Hoare annotation was computed. [2022-01-10 15:59:20,613 INFO L858 garLoopResultBuilder]: For program point L324(lines 324 423) no Hoare annotation was computed. [2022-01-10 15:59:20,613 INFO L858 garLoopResultBuilder]: For program point L325(lines 325 336) no Hoare annotation was computed. [2022-01-10 15:59:20,613 INFO L858 garLoopResultBuilder]: For program point L338(lines 338 423) no Hoare annotation was computed. [2022-01-10 15:59:20,614 INFO L858 garLoopResultBuilder]: For program point L325-2(lines 325 336) no Hoare annotation was computed. [2022-01-10 15:59:20,614 INFO L858 garLoopResultBuilder]: For program point L341(lines 341 423) no Hoare annotation was computed. [2022-01-10 15:59:20,614 INFO L858 garLoopResultBuilder]: For program point L342(lines 342 345) no Hoare annotation was computed. [2022-01-10 15:59:20,614 INFO L858 garLoopResultBuilder]: For program point L347(lines 347 423) no Hoare annotation was computed. [2022-01-10 15:59:20,614 INFO L858 garLoopResultBuilder]: For program point L342-2(lines 342 345) no Hoare annotation was computed. [2022-01-10 15:59:20,614 INFO L858 garLoopResultBuilder]: For program point L348(lines 348 357) no Hoare annotation was computed. [2022-01-10 15:59:20,614 INFO L858 garLoopResultBuilder]: For program point L359(lines 359 423) no Hoare annotation was computed. [2022-01-10 15:59:20,615 INFO L858 garLoopResultBuilder]: For program point L348-2(lines 348 357) no Hoare annotation was computed. [2022-01-10 15:59:20,615 INFO L858 garLoopResultBuilder]: For program point L364(lines 364 423) no Hoare annotation was computed. [2022-01-10 15:59:20,615 INFO L858 garLoopResultBuilder]: For program point L371(lines 371 423) no Hoare annotation was computed. [2022-01-10 15:59:20,615 INFO L858 garLoopResultBuilder]: For program point L378(lines 378 423) no Hoare annotation was computed. [2022-01-10 15:59:20,615 INFO L858 garLoopResultBuilder]: For program point L385(lines 385 423) no Hoare annotation was computed. [2022-01-10 15:59:20,615 INFO L858 garLoopResultBuilder]: For program point L388(lines 388 423) no Hoare annotation was computed. [2022-01-10 15:59:20,615 INFO L858 garLoopResultBuilder]: For program point L390(lines 390 423) no Hoare annotation was computed. [2022-01-10 15:59:20,615 INFO L858 garLoopResultBuilder]: For program point L391(lines 391 397) no Hoare annotation was computed. [2022-01-10 15:59:20,615 INFO L858 garLoopResultBuilder]: For program point L399(lines 399 423) no Hoare annotation was computed. [2022-01-10 15:59:20,616 INFO L858 garLoopResultBuilder]: For program point L391-2(lines 391 397) no Hoare annotation was computed. [2022-01-10 15:59:20,616 INFO L858 garLoopResultBuilder]: For program point L404(lines 404 423) no Hoare annotation was computed. [2022-01-10 15:59:20,616 INFO L858 garLoopResultBuilder]: For program point L408(lines 408 423) no Hoare annotation was computed. [2022-01-10 15:59:20,616 INFO L858 garLoopResultBuilder]: For program point L412(lines 412 423) no Hoare annotation was computed. [2022-01-10 15:59:20,616 INFO L858 garLoopResultBuilder]: For program point L414(lines 414 423) no Hoare annotation was computed. [2022-01-10 15:59:20,616 INFO L858 garLoopResultBuilder]: For program point L417(lines 417 423) no Hoare annotation was computed. [2022-01-10 15:59:20,616 INFO L858 garLoopResultBuilder]: For program point L419(lines 419 423) no Hoare annotation was computed. [2022-01-10 15:59:20,616 INFO L858 garLoopResultBuilder]: For program point L424(lines 424 426) no Hoare annotation was computed. [2022-01-10 15:59:20,616 INFO L858 garLoopResultBuilder]: For program point L425(line 425) no Hoare annotation was computed. [2022-01-10 15:59:20,616 INFO L858 garLoopResultBuilder]: For program point L424-2(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:20,616 INFO L858 garLoopResultBuilder]: For program point L428(line 428) no Hoare annotation was computed. [2022-01-10 15:59:20,616 INFO L858 garLoopResultBuilder]: For program point L427-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:20,616 INFO L858 garLoopResultBuilder]: For program point L431(line 431) no Hoare annotation was computed. [2022-01-10 15:59:20,616 INFO L858 garLoopResultBuilder]: For program point L430-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:20,617 INFO L858 garLoopResultBuilder]: For program point L434(line 434) no Hoare annotation was computed. [2022-01-10 15:59:20,617 INFO L858 garLoopResultBuilder]: For program point L433-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:20,617 INFO L858 garLoopResultBuilder]: For program point L437(line 437) no Hoare annotation was computed. [2022-01-10 15:59:20,617 INFO L858 garLoopResultBuilder]: For program point L436-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:20,617 INFO L858 garLoopResultBuilder]: For program point L440(line 440) no Hoare annotation was computed. [2022-01-10 15:59:20,617 INFO L858 garLoopResultBuilder]: For program point L439-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:20,617 INFO L858 garLoopResultBuilder]: For program point L443(line 443) no Hoare annotation was computed. [2022-01-10 15:59:20,617 INFO L858 garLoopResultBuilder]: For program point L442-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:20,617 INFO L858 garLoopResultBuilder]: For program point L446(line 446) no Hoare annotation was computed. [2022-01-10 15:59:20,617 INFO L858 garLoopResultBuilder]: For program point L445-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:20,619 INFO L858 garLoopResultBuilder]: For program point L449(line 449) no Hoare annotation was computed. [2022-01-10 15:59:20,619 INFO L858 garLoopResultBuilder]: For program point L448-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:20,620 INFO L858 garLoopResultBuilder]: For program point L452(line 452) no Hoare annotation was computed. [2022-01-10 15:59:20,620 INFO L858 garLoopResultBuilder]: For program point L451-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:20,620 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 452) no Hoare annotation was computed. [2022-01-10 15:59:20,620 INFO L858 garLoopResultBuilder]: For program point L455(line 455) no Hoare annotation was computed. [2022-01-10 15:59:20,620 INFO L858 garLoopResultBuilder]: For program point L454-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:20,620 INFO L858 garLoopResultBuilder]: For program point L458(line 458) no Hoare annotation was computed. [2022-01-10 15:59:20,620 INFO L858 garLoopResultBuilder]: For program point L457-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:20,620 INFO L858 garLoopResultBuilder]: For program point L461(line 461) no Hoare annotation was computed. [2022-01-10 15:59:20,620 INFO L858 garLoopResultBuilder]: For program point L460-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:20,620 INFO L858 garLoopResultBuilder]: For program point L464(line 464) no Hoare annotation was computed. [2022-01-10 15:59:20,620 INFO L858 garLoopResultBuilder]: For program point L463-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:20,620 INFO L858 garLoopResultBuilder]: For program point L467(line 467) no Hoare annotation was computed. [2022-01-10 15:59:20,621 INFO L858 garLoopResultBuilder]: For program point L466-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:20,621 INFO L858 garLoopResultBuilder]: For program point L470(line 470) no Hoare annotation was computed. [2022-01-10 15:59:20,621 INFO L858 garLoopResultBuilder]: For program point L469-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:20,621 INFO L858 garLoopResultBuilder]: For program point L473(line 473) no Hoare annotation was computed. [2022-01-10 15:59:20,621 INFO L858 garLoopResultBuilder]: For program point L472-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:20,621 INFO L858 garLoopResultBuilder]: For program point L476(line 476) no Hoare annotation was computed. [2022-01-10 15:59:20,621 INFO L858 garLoopResultBuilder]: For program point L475-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:20,621 INFO L858 garLoopResultBuilder]: For program point L479(line 479) no Hoare annotation was computed. [2022-01-10 15:59:20,621 INFO L858 garLoopResultBuilder]: For program point L478-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:20,621 INFO L858 garLoopResultBuilder]: For program point L482(line 482) no Hoare annotation was computed. [2022-01-10 15:59:20,621 INFO L858 garLoopResultBuilder]: For program point L481-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:20,621 INFO L858 garLoopResultBuilder]: For program point L485(line 485) no Hoare annotation was computed. [2022-01-10 15:59:20,621 INFO L858 garLoopResultBuilder]: For program point L484-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:20,622 INFO L858 garLoopResultBuilder]: For program point L488(line 488) no Hoare annotation was computed. [2022-01-10 15:59:20,622 INFO L858 garLoopResultBuilder]: For program point L487-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:20,622 INFO L858 garLoopResultBuilder]: For program point L491(line 491) no Hoare annotation was computed. [2022-01-10 15:59:20,622 INFO L858 garLoopResultBuilder]: For program point L490-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:20,622 INFO L858 garLoopResultBuilder]: For program point L494(line 494) no Hoare annotation was computed. [2022-01-10 15:59:20,622 INFO L858 garLoopResultBuilder]: For program point L493-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:20,622 INFO L858 garLoopResultBuilder]: For program point L497(line 497) no Hoare annotation was computed. [2022-01-10 15:59:20,622 INFO L858 garLoopResultBuilder]: For program point L496-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:20,622 INFO L858 garLoopResultBuilder]: For program point L500(line 500) no Hoare annotation was computed. [2022-01-10 15:59:20,622 INFO L858 garLoopResultBuilder]: For program point L499-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:20,622 INFO L858 garLoopResultBuilder]: For program point L503(line 503) no Hoare annotation was computed. [2022-01-10 15:59:20,622 INFO L858 garLoopResultBuilder]: For program point L502-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:20,622 INFO L858 garLoopResultBuilder]: For program point L506(line 506) no Hoare annotation was computed. [2022-01-10 15:59:20,623 INFO L858 garLoopResultBuilder]: For program point L505-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:20,623 INFO L858 garLoopResultBuilder]: For program point L509(line 509) no Hoare annotation was computed. [2022-01-10 15:59:20,623 INFO L858 garLoopResultBuilder]: For program point L508-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:20,623 INFO L858 garLoopResultBuilder]: For program point L512(line 512) no Hoare annotation was computed. [2022-01-10 15:59:20,623 INFO L858 garLoopResultBuilder]: For program point L511-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:20,623 INFO L858 garLoopResultBuilder]: For program point L515(line 515) no Hoare annotation was computed. [2022-01-10 15:59:20,623 INFO L858 garLoopResultBuilder]: For program point L514-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:20,623 INFO L858 garLoopResultBuilder]: For program point L518(line 518) no Hoare annotation was computed. [2022-01-10 15:59:20,623 INFO L858 garLoopResultBuilder]: For program point L517-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:20,623 INFO L858 garLoopResultBuilder]: For program point L521(line 521) no Hoare annotation was computed. [2022-01-10 15:59:20,623 INFO L858 garLoopResultBuilder]: For program point L520-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:20,623 INFO L858 garLoopResultBuilder]: For program point L524(line 524) no Hoare annotation was computed. [2022-01-10 15:59:20,624 INFO L858 garLoopResultBuilder]: For program point L523-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:20,624 INFO L858 garLoopResultBuilder]: For program point L527(line 527) no Hoare annotation was computed. [2022-01-10 15:59:20,624 INFO L858 garLoopResultBuilder]: For program point L526-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:20,624 INFO L858 garLoopResultBuilder]: For program point L530(line 530) no Hoare annotation was computed. [2022-01-10 15:59:20,624 INFO L858 garLoopResultBuilder]: For program point L529-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:20,624 INFO L858 garLoopResultBuilder]: For program point L533(line 533) no Hoare annotation was computed. [2022-01-10 15:59:20,624 INFO L858 garLoopResultBuilder]: For program point L532-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:20,624 INFO L858 garLoopResultBuilder]: For program point L536(line 536) no Hoare annotation was computed. [2022-01-10 15:59:20,624 INFO L858 garLoopResultBuilder]: For program point L535-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:20,624 INFO L858 garLoopResultBuilder]: For program point L539(line 539) no Hoare annotation was computed. [2022-01-10 15:59:20,624 INFO L858 garLoopResultBuilder]: For program point L538-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:20,625 INFO L858 garLoopResultBuilder]: For program point L542(line 542) no Hoare annotation was computed. [2022-01-10 15:59:20,625 INFO L858 garLoopResultBuilder]: For program point L541-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:20,625 INFO L858 garLoopResultBuilder]: For program point L545(line 545) no Hoare annotation was computed. [2022-01-10 15:59:20,625 INFO L858 garLoopResultBuilder]: For program point L544-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:20,625 INFO L858 garLoopResultBuilder]: For program point L548(line 548) no Hoare annotation was computed. [2022-01-10 15:59:20,625 INFO L858 garLoopResultBuilder]: For program point L547-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:20,625 INFO L858 garLoopResultBuilder]: For program point L551(line 551) no Hoare annotation was computed. [2022-01-10 15:59:20,625 INFO L858 garLoopResultBuilder]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:20,625 INFO L858 garLoopResultBuilder]: For program point L554(line 554) no Hoare annotation was computed. [2022-01-10 15:59:20,625 INFO L858 garLoopResultBuilder]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:20,625 INFO L858 garLoopResultBuilder]: For program point L557(line 557) no Hoare annotation was computed. [2022-01-10 15:59:20,626 INFO L858 garLoopResultBuilder]: For program point L556-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:20,626 INFO L858 garLoopResultBuilder]: For program point L560(line 560) no Hoare annotation was computed. [2022-01-10 15:59:20,626 INFO L858 garLoopResultBuilder]: For program point L559-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:20,626 INFO L858 garLoopResultBuilder]: For program point L563(line 563) no Hoare annotation was computed. [2022-01-10 15:59:20,626 INFO L858 garLoopResultBuilder]: For program point L562-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:20,626 INFO L858 garLoopResultBuilder]: For program point L566(line 566) no Hoare annotation was computed. [2022-01-10 15:59:20,626 INFO L858 garLoopResultBuilder]: For program point L565-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:20,626 INFO L858 garLoopResultBuilder]: For program point L569(line 569) no Hoare annotation was computed. [2022-01-10 15:59:20,626 INFO L858 garLoopResultBuilder]: For program point L568-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:20,626 INFO L858 garLoopResultBuilder]: For program point L572(line 572) no Hoare annotation was computed. [2022-01-10 15:59:20,626 INFO L858 garLoopResultBuilder]: For program point L571-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:20,626 INFO L858 garLoopResultBuilder]: For program point L575(line 575) no Hoare annotation was computed. [2022-01-10 15:59:20,626 INFO L858 garLoopResultBuilder]: For program point L574-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:20,627 INFO L858 garLoopResultBuilder]: For program point L578(line 578) no Hoare annotation was computed. [2022-01-10 15:59:20,627 INFO L858 garLoopResultBuilder]: For program point L577-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:20,627 INFO L858 garLoopResultBuilder]: For program point L581(line 581) no Hoare annotation was computed. [2022-01-10 15:59:20,627 INFO L858 garLoopResultBuilder]: For program point L580-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:20,627 INFO L858 garLoopResultBuilder]: For program point L584(line 584) no Hoare annotation was computed. [2022-01-10 15:59:20,627 INFO L858 garLoopResultBuilder]: For program point L583-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:20,627 INFO L858 garLoopResultBuilder]: For program point L587(line 587) no Hoare annotation was computed. [2022-01-10 15:59:20,627 INFO L858 garLoopResultBuilder]: For program point L586-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:20,627 INFO L858 garLoopResultBuilder]: For program point L590(line 590) no Hoare annotation was computed. [2022-01-10 15:59:20,627 INFO L858 garLoopResultBuilder]: For program point L589-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:20,627 INFO L858 garLoopResultBuilder]: For program point L593(line 593) no Hoare annotation was computed. [2022-01-10 15:59:20,627 INFO L858 garLoopResultBuilder]: For program point L592-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:20,628 INFO L858 garLoopResultBuilder]: For program point L596(line 596) no Hoare annotation was computed. [2022-01-10 15:59:20,628 INFO L858 garLoopResultBuilder]: For program point L595-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:20,628 INFO L858 garLoopResultBuilder]: For program point L599(line 599) no Hoare annotation was computed. [2022-01-10 15:59:20,628 INFO L858 garLoopResultBuilder]: For program point L598-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:20,628 INFO L858 garLoopResultBuilder]: For program point L602(line 602) no Hoare annotation was computed. [2022-01-10 15:59:20,628 INFO L858 garLoopResultBuilder]: For program point L601-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:20,628 INFO L858 garLoopResultBuilder]: For program point L605(line 605) no Hoare annotation was computed. [2022-01-10 15:59:20,628 INFO L858 garLoopResultBuilder]: For program point L604-1(lines 604 606) no Hoare annotation was computed. [2022-01-10 15:59:20,632 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 15:59:20,634 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 15:59:20,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 03:59:20 BasicIcfg [2022-01-10 15:59:20,659 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 15:59:20,659 INFO L158 Benchmark]: Toolchain (without parser) took 14881.44ms. Allocated memory was 183.5MB in the beginning and 367.0MB in the end (delta: 183.5MB). Free memory was 126.4MB in the beginning and 146.3MB in the end (delta: -19.9MB). Peak memory consumption was 197.9MB. Max. memory is 8.0GB. [2022-01-10 15:59:20,659 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 183.5MB. Free memory is still 144.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 15:59:20,660 INFO L158 Benchmark]: CACSL2BoogieTranslator took 491.53ms. Allocated memory is still 183.5MB. Free memory was 126.2MB in the beginning and 137.9MB in the end (delta: -11.7MB). Peak memory consumption was 12.9MB. Max. memory is 8.0GB. [2022-01-10 15:59:20,660 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.15ms. Allocated memory is still 183.5MB. Free memory was 137.9MB in the beginning and 132.1MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2022-01-10 15:59:20,660 INFO L158 Benchmark]: Boogie Preprocessor took 73.37ms. Allocated memory is still 183.5MB. Free memory was 132.1MB in the beginning and 127.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-01-10 15:59:20,660 INFO L158 Benchmark]: RCFGBuilder took 1131.52ms. Allocated memory is still 183.5MB. Free memory was 127.9MB in the beginning and 70.8MB in the end (delta: 57.1MB). Peak memory consumption was 56.6MB. Max. memory is 8.0GB. [2022-01-10 15:59:20,661 INFO L158 Benchmark]: IcfgTransformer took 289.48ms. Allocated memory was 183.5MB in the beginning and 274.7MB in the end (delta: 91.2MB). Free memory was 70.8MB in the beginning and 222.7MB in the end (delta: -151.9MB). Peak memory consumption was 23.6MB. Max. memory is 8.0GB. [2022-01-10 15:59:20,661 INFO L158 Benchmark]: TraceAbstraction took 12788.65ms. Allocated memory was 274.7MB in the beginning and 367.0MB in the end (delta: 92.3MB). Free memory was 222.2MB in the beginning and 146.3MB in the end (delta: 75.9MB). Peak memory consumption was 202.3MB. Max. memory is 8.0GB. [2022-01-10 15:59:20,663 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 183.5MB. Free memory is still 144.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 491.53ms. Allocated memory is still 183.5MB. Free memory was 126.2MB in the beginning and 137.9MB in the end (delta: -11.7MB). Peak memory consumption was 12.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 98.15ms. Allocated memory is still 183.5MB. Free memory was 137.9MB in the beginning and 132.1MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 73.37ms. Allocated memory is still 183.5MB. Free memory was 132.1MB in the beginning and 127.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 1131.52ms. Allocated memory is still 183.5MB. Free memory was 127.9MB in the beginning and 70.8MB in the end (delta: 57.1MB). Peak memory consumption was 56.6MB. Max. memory is 8.0GB. * IcfgTransformer took 289.48ms. Allocated memory was 183.5MB in the beginning and 274.7MB in the end (delta: 91.2MB). Free memory was 70.8MB in the beginning and 222.7MB in the end (delta: -151.9MB). Peak memory consumption was 23.6MB. Max. memory is 8.0GB. * TraceAbstraction took 12788.65ms. Allocated memory was 274.7MB in the beginning and 367.0MB in the end (delta: 92.3MB). Free memory was 222.2MB in the beginning and 146.3MB in the end (delta: 75.9MB). Peak memory consumption was 202.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 452]: 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: 12.7s, OverallIterations: 14, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 8.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2450 SdHoareTripleChecker+Valid, 7.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2450 mSDsluCounter, 2161 SdHoareTripleChecker+Invalid, 6.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 314 mSDsCounter, 1002 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6516 IncrementalHoareTripleChecker+Invalid, 7518 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1002 mSolverCounterUnsat, 1847 mSDtfsCounter, 6516 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3816occurred in iteration=13, InterpolantAutomatonStates: 52, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 14 MinimizatonAttempts, 559 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 77 NumberOfFragments, 413 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1340 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 3 FomulaSimplificationsInter, 4088 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 2362 NumberOfCodeBlocks, 2362 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 2348 ConstructedInterpolants, 0 QuantifiedInterpolants, 7743 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 2020/2020 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: ((((((((((((((((((1bv32 == a19 && ~bvule32(a25, 0bv32)) && ~bvule32(a28, 10bv32)) && ~bvule32(9bv32, a28)) && !(1bv32 == a25)) && 1bv32 == a21) && 8bv32 == a17) || ((((((!(3bv32 == input) && 1bv32 == a25) && !(1bv32 == a11)) && 1bv32 == a19) && 11bv32 == a28) && 1bv32 == a21) && 8bv32 == a17)) || ((~bvule32(a28, 10bv32) && ~bvule32(a19, 0bv32)) && !(1bv32 == a25))) || (((~bvule32(10bv32, a28) && 0bv32 == a11) && ~bvule32(a28, 10bv32)) && ~bvule32(a19, 0bv32))) || (~bvule32(a19, 0bv32) && ~bvule32(a28, 7bv32))) || ((1bv32 == a25 && 1bv32 == a19) && ~bvule32(a28, 7bv32))) || (((1bv32 == a25 && 1bv32 == a19) && 0bv32 == a11) && ~bvule32(a28, 10bv32))) || (((((1bv32 == a11 && 1bv32 == a25) && 1bv32 == a19) && a28 == 9bv32) && 1bv32 == a21) && 8bv32 == a17)) || ((~bvule32(a25, 0bv32) && 0bv32 == a11) && ~bvule32(a19, 0bv32))) || ~bvule32(a17, 7bv32)) || (((((1bv32 == a19 && 0bv32 == a11) && ~bvule32(a28, 10bv32)) && ~bvule32(9bv32, a28)) && 1bv32 == a21) && 8bv32 == a17)) || ((((1bv32 == a19 && 0bv32 == a11) && ~bvule32(a28, 7bv32)) && 1bv32 == a21) && 8bv32 == a17)) || (((~bvule32(10bv32, a28) && 1bv32 == a25) && 1bv32 == a19) && ~bvule32(a28, 10bv32))) || ((((((!(1bv32 == a11) && 1bv32 == a19) && 10bv32 == a28) && ~bvule32(a28, 10bv32)) && !(1bv32 == a25)) && 1bv32 == a21) && 8bv32 == a17) - InvariantResult [Line: 610]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: ((((((((((((((((((1bv32 == a19 && ~bvule32(a25, 0bv32)) && ~bvule32(a28, 10bv32)) && ~bvule32(9bv32, a28)) && !(1bv32 == a25)) && 1bv32 == a21) && 8bv32 == a17) || ((((((!(3bv32 == input) && 1bv32 == a25) && !(1bv32 == a11)) && 1bv32 == a19) && 11bv32 == a28) && 1bv32 == a21) && 8bv32 == a17)) || ((~bvule32(a28, 10bv32) && ~bvule32(a19, 0bv32)) && !(1bv32 == a25))) || (((~bvule32(10bv32, a28) && 0bv32 == a11) && ~bvule32(a28, 10bv32)) && ~bvule32(a19, 0bv32))) || (~bvule32(a19, 0bv32) && ~bvule32(a28, 7bv32))) || ((1bv32 == a25 && 1bv32 == a19) && ~bvule32(a28, 7bv32))) || (((1bv32 == a25 && 1bv32 == a19) && 0bv32 == a11) && ~bvule32(a28, 10bv32))) || (((((1bv32 == a11 && 1bv32 == a25) && 1bv32 == a19) && a28 == 9bv32) && 1bv32 == a21) && 8bv32 == a17)) || ((~bvule32(a25, 0bv32) && 0bv32 == a11) && ~bvule32(a19, 0bv32))) || ~bvule32(a17, 7bv32)) || (((((1bv32 == a19 && 0bv32 == a11) && ~bvule32(a28, 10bv32)) && ~bvule32(9bv32, a28)) && 1bv32 == a21) && 8bv32 == a17)) || ((((1bv32 == a19 && 0bv32 == a11) && ~bvule32(a28, 7bv32)) && 1bv32 == a21) && 8bv32 == a17)) || (((~bvule32(10bv32, a28) && 1bv32 == a25) && 1bv32 == a19) && ~bvule32(a28, 10bv32))) || ((((((!(1bv32 == a11) && 1bv32 == a19) && 10bv32 == a28) && ~bvule32(a28, 10bv32)) && !(1bv32 == a25)) && 1bv32 == a21) && 8bv32 == a17) RESULT: Ultimate proved your program to be correct! [2022-01-10 15:59:20,729 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...