/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCInlineTransformed.xml -s ../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_SUM.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label00.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-11 03:34:49,713 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-11 03:34:49,714 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-11 03:34:49,765 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-11 03:34:49,766 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-11 03:34:49,769 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-11 03:34:49,771 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-11 03:34:49,774 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-11 03:34:49,775 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-11 03:34:49,779 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-11 03:34:49,779 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-11 03:34:49,780 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-11 03:34:49,780 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-11 03:34:49,782 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-11 03:34:49,783 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-11 03:34:49,785 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-11 03:34:49,786 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-11 03:34:49,786 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-11 03:34:49,788 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-11 03:34:49,792 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-11 03:34:49,793 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-11 03:34:49,794 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-11 03:34:49,795 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-11 03:34:49,796 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-11 03:34:49,800 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-11 03:34:49,807 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-11 03:34:49,807 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-11 03:34:49,808 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-11 03:34:49,809 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_SUM.epf [2022-01-11 03:34:49,834 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-11 03:34:49,834 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-11 03:34:49,834 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-11 03:34:49,835 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-11 03:34:49,835 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-11 03:34:49,835 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-11 03:34:49,836 INFO L138 SettingsManager]: * Use SBE=true [2022-01-11 03:34:49,836 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-11 03:34:49,836 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-11 03:34:49,836 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-11 03:34:49,836 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-11 03:34:49,837 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-11 03:34:49,837 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-11 03:34:49,837 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-11 03:34:49,837 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-11 03:34:49,837 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-11 03:34:49,837 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-11 03:34:49,837 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-11 03:34:49,837 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-11 03:34:49,837 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-11 03:34:49,837 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-11 03:34:49,837 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-11 03:34:49,838 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-11 03:34:49,838 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-11 03:34:49,838 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-11 03:34:49,838 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-11 03:34:49,838 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-11 03:34:49,838 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-11 03:34:49,838 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-11 03:34:49,838 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-11 03:34:49,838 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-11 03:34:49,839 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-11 03:34:49,839 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-11 03:34:49,839 INFO L138 SettingsManager]: * TransformationType=BV_TO_INT_SUM WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-11 03:34:50,011 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-11 03:34:50,025 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-11 03:34:50,027 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-11 03:34:50,028 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-11 03:34:50,028 INFO L275 PluginConnector]: CDTParser initialized [2022-01-11 03:34:50,029 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label00.c [2022-01-11 03:34:50,085 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a0ffffc3/a9ca5bb278df49a9b10125fa3b2b0de9/FLAGe9f2cc7b3 [2022-01-11 03:34:50,509 INFO L306 CDTParser]: Found 1 translation units. [2022-01-11 03:34:50,509 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label00.c [2022-01-11 03:34:50,517 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a0ffffc3/a9ca5bb278df49a9b10125fa3b2b0de9/FLAGe9f2cc7b3 [2022-01-11 03:34:50,527 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a0ffffc3/a9ca5bb278df49a9b10125fa3b2b0de9 [2022-01-11 03:34:50,529 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-11 03:34:50,530 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-11 03:34:50,532 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-11 03:34:50,532 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-11 03:34:50,534 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-11 03:34:50,535 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.01 03:34:50" (1/1) ... [2022-01-11 03:34:50,535 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f1a8e3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 03:34:50, skipping insertion in model container [2022-01-11 03:34:50,536 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.01 03:34:50" (1/1) ... [2022-01-11 03:34:50,540 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-11 03:34:50,573 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-11 03:34:50,843 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label00.c[18976,18989] [2022-01-11 03:34:50,881 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-11 03:34:50,902 INFO L203 MainTranslator]: Completed pre-run [2022-01-11 03:34:50,942 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label00.c[18976,18989] [2022-01-11 03:34:50,955 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-11 03:34:50,965 INFO L208 MainTranslator]: Completed translation [2022-01-11 03:34:50,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 03:34:50 WrapperNode [2022-01-11 03:34:50,965 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-11 03:34:50,966 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-11 03:34:50,966 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-11 03:34:50,966 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-11 03:34:50,970 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 03:34:50" (1/1) ... [2022-01-11 03:34:50,992 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 03:34:50" (1/1) ... [2022-01-11 03:34:51,017 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 655 [2022-01-11 03:34:51,018 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-11 03:34:51,018 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-11 03:34:51,018 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-11 03:34:51,018 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-11 03:34:51,023 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 03:34:50" (1/1) ... [2022-01-11 03:34:51,023 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 03:34:50" (1/1) ... [2022-01-11 03:34:51,025 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 03:34:50" (1/1) ... [2022-01-11 03:34:51,026 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 03:34:50" (1/1) ... [2022-01-11 03:34:51,043 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 03:34:50" (1/1) ... [2022-01-11 03:34:51,047 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 03:34:50" (1/1) ... [2022-01-11 03:34:51,050 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 03:34:50" (1/1) ... [2022-01-11 03:34:51,054 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-11 03:34:51,054 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-11 03:34:51,055 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-11 03:34:51,055 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-11 03:34:51,055 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 03:34:50" (1/1) ... [2022-01-11 03:34:51,075 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-11 03:34:51,083 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-11 03:34:51,110 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-11 03:34:51,112 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-11 03:34:51,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-11 03:34:51,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-11 03:34:51,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-11 03:34:51,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-11 03:34:51,204 INFO L234 CfgBuilder]: Building ICFG [2022-01-11 03:34:51,205 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-11 03:34:51,921 INFO L275 CfgBuilder]: Performing block encoding [2022-01-11 03:34:51,928 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-11 03:34:51,929 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-01-11 03:34:51,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 03:34:51 BoogieIcfgContainer [2022-01-11 03:34:51,930 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-11 03:34:51,931 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-11 03:34:51,931 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-11 03:34:51,932 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-11 03:34:51,933 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 03:34:51" (1/1) ... [2022-01-11 03:34:52,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 11.01 03:34:52 BasicIcfg [2022-01-11 03:34:52,106 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-11 03:34:52,107 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-11 03:34:52,107 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-11 03:34:52,109 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-11 03:34:52,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.01 03:34:50" (1/4) ... [2022-01-11 03:34:52,109 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fbf277d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.01 03:34:52, skipping insertion in model container [2022-01-11 03:34:52,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 03:34:50" (2/4) ... [2022-01-11 03:34:52,110 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fbf277d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.01 03:34:52, skipping insertion in model container [2022-01-11 03:34:52,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 03:34:51" (3/4) ... [2022-01-11 03:34:52,110 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fbf277d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.01 03:34:52, skipping insertion in model container [2022-01-11 03:34:52,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 11.01 03:34:52" (4/4) ... [2022-01-11 03:34:52,111 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label00.cTransformedIcfg [2022-01-11 03:34:52,114 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-11 03:34:52,114 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-11 03:34:52,148 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-11 03:34:52,153 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-11 03:34:52,153 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-11 03:34:52,165 INFO L276 IsEmpty]: Start isEmpty. Operand has 198 states, 196 states have (on average 1.6683673469387754) internal successors, (327), 197 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 03:34:52,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-01-11 03:34:52,175 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 03:34:52,175 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 03:34:52,176 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 03:34:52,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 03:34:52,179 INFO L85 PathProgramCache]: Analyzing trace with hash -253606208, now seen corresponding path program 1 times [2022-01-11 03:34:52,183 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 03:34:52,183 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258080488] [2022-01-11 03:34:52,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 03:34:52,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 03:34:52,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 03:34:52,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 03:34:52,636 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 03:34:52,636 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258080488] [2022-01-11 03:34:52,637 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258080488] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 03:34:52,637 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 03:34:52,637 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 03:34:52,638 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436723084] [2022-01-11 03:34:52,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 03:34:52,643 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-11 03:34:52,644 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 03:34:52,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-11 03:34:52,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-11 03:34:52,665 INFO L87 Difference]: Start difference. First operand has 198 states, 196 states have (on average 1.6683673469387754) internal successors, (327), 197 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 27.0) internal successors, (108), 3 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) [2022-01-11 03:34:53,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 03:34:53,640 INFO L93 Difference]: Finished difference Result 662 states and 1178 transitions. [2022-01-11 03:34:53,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-11 03:34:53,642 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 3 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 [2022-01-11 03:34:53,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 03:34:53,658 INFO L225 Difference]: With dead ends: 662 [2022-01-11 03:34:53,659 INFO L226 Difference]: Without dead ends: 397 [2022-01-11 03:34:53,664 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-11 03:34:53,666 INFO L933 BasicCegarLoop]: 65 mSDtfsCounter, 336 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 648 mSolverCounterSat, 240 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 336 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 888 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 240 IncrementalHoareTripleChecker+Valid, 648 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-11 03:34:53,667 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [336 Valid, 81 Invalid, 888 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [240 Valid, 648 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-11 03:34:53,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2022-01-11 03:34:53,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 397. [2022-01-11 03:34:53,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397 states, 396 states have (on average 1.3055555555555556) internal successors, (517), 396 states have internal predecessors, (517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 03:34:53,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 517 transitions. [2022-01-11 03:34:53,727 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 517 transitions. Word has length 108 [2022-01-11 03:34:53,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 03:34:53,728 INFO L470 AbstractCegarLoop]: Abstraction has 397 states and 517 transitions. [2022-01-11 03:34:53,729 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 3 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) [2022-01-11 03:34:53,729 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 517 transitions. [2022-01-11 03:34:53,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-01-11 03:34:53,735 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 03:34:53,735 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 03:34:53,736 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-11 03:34:53,736 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 03:34:53,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 03:34:53,737 INFO L85 PathProgramCache]: Analyzing trace with hash -1155814068, now seen corresponding path program 1 times [2022-01-11 03:34:53,737 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 03:34:53,737 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409882127] [2022-01-11 03:34:53,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 03:34:53,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 03:34:53,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 03:34:53,961 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 03:34:53,962 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 03:34:53,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409882127] [2022-01-11 03:34:53,962 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [409882127] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 03:34:53,962 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 03:34:53,962 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 03:34:53,962 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151267738] [2022-01-11 03:34:53,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 03:34:53,963 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-11 03:34:53,965 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 03:34:53,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-11 03:34:53,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-11 03:34:53,965 INFO L87 Difference]: Start difference. First operand 397 states and 517 transitions. Second operand has 4 states, 4 states have (on average 28.75) internal successors, (115), 3 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 03:34:54,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 03:34:54,610 INFO L93 Difference]: Finished difference Result 887 states and 1235 transitions. [2022-01-11 03:34:54,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-11 03:34:54,611 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.75) internal successors, (115), 3 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-01-11 03:34:54,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 03:34:54,612 INFO L225 Difference]: With dead ends: 887 [2022-01-11 03:34:54,613 INFO L226 Difference]: Without dead ends: 528 [2022-01-11 03:34:54,613 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-11 03:34:54,614 INFO L933 BasicCegarLoop]: 71 mSDtfsCounter, 131 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 526 mSolverCounterSat, 154 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 680 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 154 IncrementalHoareTripleChecker+Valid, 526 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-11 03:34:54,614 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [131 Valid, 81 Invalid, 680 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [154 Valid, 526 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-11 03:34:54,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2022-01-11 03:34:54,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 397. [2022-01-11 03:34:54,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397 states, 396 states have (on average 1.196969696969697) internal successors, (474), 396 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 03:34:54,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 474 transitions. [2022-01-11 03:34:54,622 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 474 transitions. Word has length 115 [2022-01-11 03:34:54,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 03:34:54,622 INFO L470 AbstractCegarLoop]: Abstraction has 397 states and 474 transitions. [2022-01-11 03:34:54,622 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.75) internal successors, (115), 3 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 03:34:54,622 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 474 transitions. [2022-01-11 03:34:54,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-01-11 03:34:54,631 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 03:34:54,632 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 03:34:54,633 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-11 03:34:54,634 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 03:34:54,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 03:34:54,636 INFO L85 PathProgramCache]: Analyzing trace with hash 1776055875, now seen corresponding path program 1 times [2022-01-11 03:34:54,636 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 03:34:54,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835457851] [2022-01-11 03:34:54,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 03:34:54,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 03:34:54,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 03:34:54,706 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-11 03:34:54,707 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 03:34:54,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835457851] [2022-01-11 03:34:54,707 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835457851] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 03:34:54,707 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 03:34:54,707 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-11 03:34:54,707 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000762235] [2022-01-11 03:34:54,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 03:34:54,708 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 03:34:54,708 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 03:34:54,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 03:34:54,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 03:34:54,708 INFO L87 Difference]: Start difference. First operand 397 states and 474 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 2 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 03:34:55,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 03:34:55,043 INFO L93 Difference]: Finished difference Result 923 states and 1105 transitions. [2022-01-11 03:34:55,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 03:34:55,043 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 2 states have internal predecessors, (121), 0 states have call successors, (0), 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 123 [2022-01-11 03:34:55,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 03:34:55,045 INFO L225 Difference]: With dead ends: 923 [2022-01-11 03:34:55,045 INFO L226 Difference]: Without dead ends: 528 [2022-01-11 03:34:55,045 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 03:34:55,046 INFO L933 BasicCegarLoop]: 42 mSDtfsCounter, 125 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-11 03:34:55,046 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [125 Valid, 46 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 296 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-11 03:34:55,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2022-01-11 03:34:55,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 528. [2022-01-11 03:34:55,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 528 states, 527 states have (on average 1.1707779886148009) internal successors, (617), 527 states have internal predecessors, (617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 03:34:55,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 617 transitions. [2022-01-11 03:34:55,068 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 617 transitions. Word has length 123 [2022-01-11 03:34:55,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 03:34:55,069 INFO L470 AbstractCegarLoop]: Abstraction has 528 states and 617 transitions. [2022-01-11 03:34:55,070 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 2 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 03:34:55,070 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 617 transitions. [2022-01-11 03:34:55,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-01-11 03:34:55,071 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 03:34:55,071 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 03:34:55,071 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-11 03:34:55,071 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 03:34:55,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 03:34:55,072 INFO L85 PathProgramCache]: Analyzing trace with hash 1301451267, now seen corresponding path program 1 times [2022-01-11 03:34:55,072 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 03:34:55,072 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673387911] [2022-01-11 03:34:55,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 03:34:55,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 03:34:55,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 03:34:55,141 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-01-11 03:34:55,141 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 03:34:55,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673387911] [2022-01-11 03:34:55,141 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673387911] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 03:34:55,142 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 03:34:55,142 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 03:34:55,142 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891696749] [2022-01-11 03:34:55,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 03:34:55,142 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 03:34:55,143 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 03:34:55,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 03:34:55,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 03:34:55,144 INFO L87 Difference]: Start difference. First operand 528 states and 617 transitions. Second operand has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 03:34:55,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 03:34:55,502 INFO L93 Difference]: Finished difference Result 1578 states and 1846 transitions. [2022-01-11 03:34:55,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 03:34:55,502 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2022-01-11 03:34:55,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 03:34:55,505 INFO L225 Difference]: With dead ends: 1578 [2022-01-11 03:34:55,505 INFO L226 Difference]: Without dead ends: 1052 [2022-01-11 03:34:55,505 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 03:34:55,506 INFO L933 BasicCegarLoop]: 24 mSDtfsCounter, 132 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 316 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-11 03:34:55,507 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [132 Valid, 28 Invalid, 363 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 316 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-11 03:34:55,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1052 states. [2022-01-11 03:34:55,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1052 to 921. [2022-01-11 03:34:55,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 921 states, 920 states have (on average 1.1891304347826086) internal successors, (1094), 920 states have internal predecessors, (1094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 03:34:55,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 921 states and 1094 transitions. [2022-01-11 03:34:55,519 INFO L78 Accepts]: Start accepts. Automaton has 921 states and 1094 transitions. Word has length 132 [2022-01-11 03:34:55,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 03:34:55,519 INFO L470 AbstractCegarLoop]: Abstraction has 921 states and 1094 transitions. [2022-01-11 03:34:55,519 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 03:34:55,519 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1094 transitions. [2022-01-11 03:34:55,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-01-11 03:34:55,521 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 03:34:55,521 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 03:34:55,521 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-11 03:34:55,521 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 03:34:55,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 03:34:55,522 INFO L85 PathProgramCache]: Analyzing trace with hash -1975929367, now seen corresponding path program 1 times [2022-01-11 03:34:55,522 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 03:34:55,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371360544] [2022-01-11 03:34:55,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 03:34:55,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 03:34:55,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 03:34:55,573 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-11 03:34:55,573 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 03:34:55,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371360544] [2022-01-11 03:34:55,573 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371360544] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 03:34:55,573 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 03:34:55,573 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 03:34:55,573 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957265963] [2022-01-11 03:34:55,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 03:34:55,574 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 03:34:55,574 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 03:34:55,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 03:34:55,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 03:34:55,574 INFO L87 Difference]: Start difference. First operand 921 states and 1094 transitions. Second operand has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 03:34:55,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 03:34:55,956 INFO L93 Difference]: Finished difference Result 2102 states and 2479 transitions. [2022-01-11 03:34:55,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 03:34:55,957 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 138 [2022-01-11 03:34:55,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 03:34:55,959 INFO L225 Difference]: With dead ends: 2102 [2022-01-11 03:34:55,959 INFO L226 Difference]: Without dead ends: 1183 [2022-01-11 03:34:55,960 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 03:34:55,961 INFO L933 BasicCegarLoop]: 185 mSDtfsCounter, 121 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 331 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-11 03:34:55,961 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [121 Valid, 191 Invalid, 363 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 331 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-11 03:34:55,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1183 states. [2022-01-11 03:34:55,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1183 to 1052. [2022-01-11 03:34:55,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1052 states, 1051 states have (on average 1.1455756422454806) internal successors, (1204), 1051 states have internal predecessors, (1204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 03:34:55,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1204 transitions. [2022-01-11 03:34:55,973 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1204 transitions. Word has length 138 [2022-01-11 03:34:55,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 03:34:55,973 INFO L470 AbstractCegarLoop]: Abstraction has 1052 states and 1204 transitions. [2022-01-11 03:34:55,973 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 03:34:55,973 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1204 transitions. [2022-01-11 03:34:55,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2022-01-11 03:34:55,975 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 03:34:55,975 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 03:34:55,975 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-11 03:34:55,975 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 03:34:55,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 03:34:55,976 INFO L85 PathProgramCache]: Analyzing trace with hash 1737110615, now seen corresponding path program 1 times [2022-01-11 03:34:55,976 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 03:34:55,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809277746] [2022-01-11 03:34:55,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 03:34:55,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 03:34:56,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 03:34:56,035 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-11 03:34:56,035 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 03:34:56,035 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809277746] [2022-01-11 03:34:56,036 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809277746] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 03:34:56,036 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 03:34:56,036 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 03:34:56,036 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178235367] [2022-01-11 03:34:56,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 03:34:56,036 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 03:34:56,036 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 03:34:56,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 03:34:56,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 03:34:56,037 INFO L87 Difference]: Start difference. First operand 1052 states and 1204 transitions. Second operand has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 03:34:56,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 03:34:56,374 INFO L93 Difference]: Finished difference Result 2495 states and 2883 transitions. [2022-01-11 03:34:56,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 03:34:56,378 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 0 states have call successors, (0), 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 152 [2022-01-11 03:34:56,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 03:34:56,381 INFO L225 Difference]: With dead ends: 2495 [2022-01-11 03:34:56,381 INFO L226 Difference]: Without dead ends: 1445 [2022-01-11 03:34:56,382 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 03:34:56,383 INFO L933 BasicCegarLoop]: 181 mSDtfsCounter, 121 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 313 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-11 03:34:56,383 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [121 Valid, 187 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 313 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-11 03:34:56,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1445 states. [2022-01-11 03:34:56,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1445 to 1445. [2022-01-11 03:34:56,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1445 states, 1444 states have (on average 1.123961218836565) internal successors, (1623), 1444 states have internal predecessors, (1623), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 03:34:56,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1445 states to 1445 states and 1623 transitions. [2022-01-11 03:34:56,402 INFO L78 Accepts]: Start accepts. Automaton has 1445 states and 1623 transitions. Word has length 152 [2022-01-11 03:34:56,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 03:34:56,402 INFO L470 AbstractCegarLoop]: Abstraction has 1445 states and 1623 transitions. [2022-01-11 03:34:56,402 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 03:34:56,402 INFO L276 IsEmpty]: Start isEmpty. Operand 1445 states and 1623 transitions. [2022-01-11 03:34:56,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-01-11 03:34:56,404 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 03:34:56,404 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 03:34:56,404 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-11 03:34:56,404 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 03:34:56,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 03:34:56,405 INFO L85 PathProgramCache]: Analyzing trace with hash -403004454, now seen corresponding path program 1 times [2022-01-11 03:34:56,405 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 03:34:56,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424641461] [2022-01-11 03:34:56,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 03:34:56,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 03:34:56,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 03:34:56,518 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-11 03:34:56,518 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 03:34:56,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424641461] [2022-01-11 03:34:56,518 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424641461] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 03:34:56,518 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 03:34:56,518 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 03:34:56,518 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868329153] [2022-01-11 03:34:56,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 03:34:56,519 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 03:34:56,519 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 03:34:56,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 03:34:56,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 03:34:56,519 INFO L87 Difference]: Start difference. First operand 1445 states and 1623 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) [2022-01-11 03:34:56,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 03:34:56,848 INFO L93 Difference]: Finished difference Result 3281 states and 3713 transitions. [2022-01-11 03:34:56,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 03:34:56,849 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 155 [2022-01-11 03:34:56,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 03:34:56,852 INFO L225 Difference]: With dead ends: 3281 [2022-01-11 03:34:56,852 INFO L226 Difference]: Without dead ends: 1838 [2022-01-11 03:34:56,854 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 03:34:56,854 INFO L933 BasicCegarLoop]: 33 mSDtfsCounter, 124 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-11 03:34:56,854 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [124 Valid, 37 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 319 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-11 03:34:56,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1838 states. [2022-01-11 03:34:56,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1838 to 1576. [2022-01-11 03:34:56,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1576 states, 1575 states have (on average 1.1301587301587301) internal successors, (1780), 1575 states have internal predecessors, (1780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 03:34:56,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1576 states and 1780 transitions. [2022-01-11 03:34:56,873 INFO L78 Accepts]: Start accepts. Automaton has 1576 states and 1780 transitions. Word has length 155 [2022-01-11 03:34:56,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 03:34:56,873 INFO L470 AbstractCegarLoop]: Abstraction has 1576 states and 1780 transitions. [2022-01-11 03:34:56,873 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) [2022-01-11 03:34:56,873 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 1780 transitions. [2022-01-11 03:34:56,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2022-01-11 03:34:56,875 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 03:34:56,876 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 03:34:56,876 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-11 03:34:56,876 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 03:34:56,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 03:34:56,876 INFO L85 PathProgramCache]: Analyzing trace with hash 1636329032, now seen corresponding path program 1 times [2022-01-11 03:34:56,876 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 03:34:56,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133322804] [2022-01-11 03:34:56,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 03:34:56,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 03:34:56,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 03:34:56,942 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 03:34:56,942 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 03:34:56,942 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133322804] [2022-01-11 03:34:56,942 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [133322804] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 03:34:56,942 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 03:34:56,942 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-11 03:34:56,943 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757182046] [2022-01-11 03:34:56,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 03:34:56,943 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-11 03:34:56,943 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 03:34:56,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-11 03:34:56,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-11 03:34:56,944 INFO L87 Difference]: Start difference. First operand 1576 states and 1780 transitions. Second operand has 4 states, 4 states have (on average 42.25) internal successors, (169), 4 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 03:34:57,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 03:34:57,490 INFO L93 Difference]: Finished difference Result 3674 states and 4165 transitions. [2022-01-11 03:34:57,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-11 03:34:57,491 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 42.25) internal successors, (169), 4 states have internal predecessors, (169), 0 states have call successors, (0), 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 169 [2022-01-11 03:34:57,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 03:34:57,495 INFO L225 Difference]: With dead ends: 3674 [2022-01-11 03:34:57,495 INFO L226 Difference]: Without dead ends: 2100 [2022-01-11 03:34:57,496 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-11 03:34:57,497 INFO L933 BasicCegarLoop]: 11 mSDtfsCounter, 232 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 588 mSolverCounterSat, 122 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 710 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 588 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-11 03:34:57,497 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [232 Valid, 21 Invalid, 710 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 588 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-11 03:34:57,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2100 states. [2022-01-11 03:34:57,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2100 to 1838. [2022-01-11 03:34:57,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1838 states, 1837 states have (on average 1.1317365269461077) internal successors, (2079), 1837 states have internal predecessors, (2079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 03:34:57,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1838 states and 2079 transitions. [2022-01-11 03:34:57,519 INFO L78 Accepts]: Start accepts. Automaton has 1838 states and 2079 transitions. Word has length 169 [2022-01-11 03:34:57,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 03:34:57,519 INFO L470 AbstractCegarLoop]: Abstraction has 1838 states and 2079 transitions. [2022-01-11 03:34:57,519 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 42.25) internal successors, (169), 4 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 03:34:57,519 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 2079 transitions. [2022-01-11 03:34:57,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2022-01-11 03:34:57,522 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 03:34:57,522 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 03:34:57,522 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-01-11 03:34:57,522 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 03:34:57,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 03:34:57,522 INFO L85 PathProgramCache]: Analyzing trace with hash -323713296, now seen corresponding path program 1 times [2022-01-11 03:34:57,522 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 03:34:57,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932524863] [2022-01-11 03:34:57,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 03:34:57,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 03:34:57,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 03:34:57,595 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-01-11 03:34:57,595 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 03:34:57,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932524863] [2022-01-11 03:34:57,596 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932524863] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 03:34:57,596 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 03:34:57,596 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-11 03:34:57,596 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534933133] [2022-01-11 03:34:57,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 03:34:57,596 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 03:34:57,596 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 03:34:57,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 03:34:57,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 03:34:57,597 INFO L87 Difference]: Start difference. First operand 1838 states and 2079 transitions. Second operand has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 2 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 03:34:57,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 03:34:57,934 INFO L93 Difference]: Finished difference Result 3805 states and 4313 transitions. [2022-01-11 03:34:57,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 03:34:57,936 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 2 states have internal predecessors, (169), 0 states have call successors, (0), 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 178 [2022-01-11 03:34:57,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 03:34:57,940 INFO L225 Difference]: With dead ends: 3805 [2022-01-11 03:34:57,940 INFO L226 Difference]: Without dead ends: 1969 [2022-01-11 03:34:57,942 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 03:34:57,942 INFO L933 BasicCegarLoop]: 51 mSDtfsCounter, 75 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 299 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 348 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-11 03:34:57,942 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [75 Valid, 55 Invalid, 348 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 299 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-11 03:34:57,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1969 states. [2022-01-11 03:34:57,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1969 to 1969. [2022-01-11 03:34:57,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1969 states, 1968 states have (on average 1.1173780487804879) internal successors, (2199), 1968 states have internal predecessors, (2199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 03:34:57,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1969 states to 1969 states and 2199 transitions. [2022-01-11 03:34:57,964 INFO L78 Accepts]: Start accepts. Automaton has 1969 states and 2199 transitions. Word has length 178 [2022-01-11 03:34:57,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 03:34:57,964 INFO L470 AbstractCegarLoop]: Abstraction has 1969 states and 2199 transitions. [2022-01-11 03:34:57,964 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 2 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 03:34:57,965 INFO L276 IsEmpty]: Start isEmpty. Operand 1969 states and 2199 transitions. [2022-01-11 03:34:57,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-01-11 03:34:57,980 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 03:34:57,980 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 03:34:57,980 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-01-11 03:34:57,980 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 03:34:57,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 03:34:57,980 INFO L85 PathProgramCache]: Analyzing trace with hash 1251191978, now seen corresponding path program 1 times [2022-01-11 03:34:57,981 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 03:34:57,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796594244] [2022-01-11 03:34:57,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 03:34:57,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 03:34:58,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 03:34:58,161 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-01-11 03:34:58,161 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 03:34:58,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796594244] [2022-01-11 03:34:58,161 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796594244] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 03:34:58,162 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 03:34:58,162 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 03:34:58,162 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322931531] [2022-01-11 03:34:58,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 03:34:58,162 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 03:34:58,162 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 03:34:58,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 03:34:58,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 03:34:58,163 INFO L87 Difference]: Start difference. First operand 1969 states and 2199 transitions. Second operand has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 03:34:58,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 03:34:58,486 INFO L93 Difference]: Finished difference Result 4329 states and 4868 transitions. [2022-01-11 03:34:58,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 03:34:58,487 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 234 [2022-01-11 03:34:58,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 03:34:58,492 INFO L225 Difference]: With dead ends: 4329 [2022-01-11 03:34:58,492 INFO L226 Difference]: Without dead ends: 2362 [2022-01-11 03:34:58,494 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 03:34:58,494 INFO L933 BasicCegarLoop]: 167 mSDtfsCounter, 32 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 330 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-11 03:34:58,494 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [32 Valid, 173 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 330 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-11 03:34:58,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2362 states. [2022-01-11 03:34:58,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2362 to 2362. [2022-01-11 03:34:58,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2362 states, 2361 states have (on average 1.1122405760271072) internal successors, (2626), 2361 states have internal predecessors, (2626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 03:34:58,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2362 states to 2362 states and 2626 transitions. [2022-01-11 03:34:58,523 INFO L78 Accepts]: Start accepts. Automaton has 2362 states and 2626 transitions. Word has length 234 [2022-01-11 03:34:58,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 03:34:58,524 INFO L470 AbstractCegarLoop]: Abstraction has 2362 states and 2626 transitions. [2022-01-11 03:34:58,524 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 03:34:58,524 INFO L276 IsEmpty]: Start isEmpty. Operand 2362 states and 2626 transitions. [2022-01-11 03:34:58,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-01-11 03:34:58,528 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 03:34:58,528 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 03:34:58,528 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-01-11 03:34:58,528 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 03:34:58,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 03:34:58,529 INFO L85 PathProgramCache]: Analyzing trace with hash 1267553737, now seen corresponding path program 1 times [2022-01-11 03:34:58,529 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 03:34:58,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141537304] [2022-01-11 03:34:58,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 03:34:58,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 03:34:58,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 03:34:58,749 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2022-01-11 03:34:58,749 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 03:34:58,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141537304] [2022-01-11 03:34:58,750 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141537304] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 03:34:58,750 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 03:34:58,750 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 03:34:58,750 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823151278] [2022-01-11 03:34:58,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 03:34:58,750 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-11 03:34:58,750 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 03:34:58,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-11 03:34:58,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-11 03:34:58,751 INFO L87 Difference]: Start difference. First operand 2362 states and 2626 transitions. Second operand has 4 states, 4 states have (on average 42.75) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 03:34:59,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 03:34:59,102 INFO L93 Difference]: Finished difference Result 4670 states and 5197 transitions. [2022-01-11 03:34:59,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-11 03:34:59,102 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 42.75) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 253 [2022-01-11 03:34:59,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 03:34:59,107 INFO L225 Difference]: With dead ends: 4670 [2022-01-11 03:34:59,107 INFO L226 Difference]: Without dead ends: 2231 [2022-01-11 03:34:59,110 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-11 03:34:59,110 INFO L933 BasicCegarLoop]: 10 mSDtfsCounter, 118 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 423 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-11 03:34:59,110 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [118 Valid, 16 Invalid, 430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 423 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-11 03:34:59,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2231 states. [2022-01-11 03:34:59,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2231 to 2231. [2022-01-11 03:34:59,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2231 states, 2230 states have (on average 1.1139013452914799) internal successors, (2484), 2230 states have internal predecessors, (2484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 03:34:59,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2231 states to 2231 states and 2484 transitions. [2022-01-11 03:34:59,139 INFO L78 Accepts]: Start accepts. Automaton has 2231 states and 2484 transitions. Word has length 253 [2022-01-11 03:34:59,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 03:34:59,139 INFO L470 AbstractCegarLoop]: Abstraction has 2231 states and 2484 transitions. [2022-01-11 03:34:59,139 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 42.75) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 03:34:59,139 INFO L276 IsEmpty]: Start isEmpty. Operand 2231 states and 2484 transitions. [2022-01-11 03:34:59,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2022-01-11 03:34:59,156 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 03:34:59,156 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 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, 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] [2022-01-11 03:34:59,156 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-01-11 03:34:59,156 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 03:34:59,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 03:34:59,157 INFO L85 PathProgramCache]: Analyzing trace with hash -2079612098, now seen corresponding path program 1 times [2022-01-11 03:34:59,157 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 03:34:59,157 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294092603] [2022-01-11 03:34:59,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 03:34:59,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 03:34:59,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 03:34:59,281 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 216 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2022-01-11 03:34:59,281 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 03:34:59,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294092603] [2022-01-11 03:34:59,281 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294092603] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 03:34:59,281 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 03:34:59,281 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 03:34:59,281 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401343802] [2022-01-11 03:34:59,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 03:34:59,282 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 03:34:59,282 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 03:34:59,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 03:34:59,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 03:34:59,282 INFO L87 Difference]: Start difference. First operand 2231 states and 2484 transitions. Second operand has 3 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 03:34:59,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 03:34:59,576 INFO L93 Difference]: Finished difference Result 4196 states and 4639 transitions. [2022-01-11 03:34:59,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 03:34:59,577 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 0 states have call successors, (0), 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 264 [2022-01-11 03:34:59,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 03:34:59,577 INFO L225 Difference]: With dead ends: 4196 [2022-01-11 03:34:59,577 INFO L226 Difference]: Without dead ends: 0 [2022-01-11 03:34:59,580 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 03:34:59,580 INFO L933 BasicCegarLoop]: 24 mSDtfsCounter, 141 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 288 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-11 03:34:59,581 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [141 Valid, 28 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 288 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-11 03:34:59,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-11 03:34:59,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-11 03:34:59,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 03:34:59,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-11 03:34:59,581 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 264 [2022-01-11 03:34:59,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 03:34:59,581 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-11 03:34:59,582 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 03:34:59,582 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-11 03:34:59,582 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-11 03:34:59,583 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-11 03:34:59,584 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-01-11 03:34:59,585 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-11 03:34:59,830 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-11 03:34:59,830 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-11 03:34:59,830 INFO L854 garLoopResultBuilder]: At program point L593-2(lines 593 603) the Hoare annotation is: (let ((.cse1 (<= ~a16~0Int 5)) (.cse2 (= ~a21~0Int 1)) (.cse4 (<= ~a21~0Int 0)) (.cse0 (= ~a20~0Int 1)) (.cse3 (= ~a12~0Int 8))) (or (and (not .cse0) .cse1 .cse2 .cse3) (and .cse2 (= ~a17~0Int 1) (= ~a16~0Int 4) (= ~a8~0Int 13) .cse3) (and .cse1 .cse4 .cse3) (and (<= ~a17~0Int 0) .cse2 (= ~a8~0Int 14) (= 5 ~a16~0Int) .cse3) (and .cse2 (not (= ~a7~0Int 1)) .cse3) (and .cse4 .cse0 .cse3))) [2022-01-11 03:34:59,830 INFO L861 garLoopResultBuilder]: At program point L587(lines 587 604) the Hoare annotation is: true [2022-01-11 03:34:59,830 INFO L858 garLoopResultBuilder]: For program point L598(line 598) no Hoare annotation was computed. [2022-01-11 03:34:59,831 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-11 03:34:59,831 INFO L858 garLoopResultBuilder]: For program point L41(lines 41 400) no Hoare annotation was computed. [2022-01-11 03:34:59,831 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-11 03:34:59,831 INFO L854 garLoopResultBuilder]: At program point L584(lines 40 585) the Hoare annotation is: (let ((.cse1 (<= ~a16~0Int 5)) (.cse2 (= ~a21~0Int 1)) (.cse4 (<= ~a21~0Int 0)) (.cse0 (= ~a20~0Int 1)) (.cse3 (= ~a12~0Int 8))) (or (and (not .cse0) .cse1 .cse2 .cse3) (and .cse2 (= ~a17~0Int 1) (= ~a16~0Int 4) (= ~a8~0Int 13) .cse3) (and .cse1 .cse4 .cse3) (and (<= ~a17~0Int 0) .cse2 (= ~a8~0Int 14) (= 5 ~a16~0Int) .cse3) (and .cse2 (not (= ~a7~0Int 1)) .cse3) (and .cse4 .cse0 .cse3))) [2022-01-11 03:34:59,831 INFO L858 garLoopResultBuilder]: For program point L45(lines 45 400) no Hoare annotation was computed. [2022-01-11 03:34:59,831 INFO L858 garLoopResultBuilder]: For program point L53(lines 53 400) no Hoare annotation was computed. [2022-01-11 03:34:59,831 INFO L858 garLoopResultBuilder]: For program point L59(lines 59 400) no Hoare annotation was computed. [2022-01-11 03:34:59,831 INFO L858 garLoopResultBuilder]: For program point L64(lines 64 400) no Hoare annotation was computed. [2022-01-11 03:34:59,831 INFO L858 garLoopResultBuilder]: For program point L72(lines 72 400) no Hoare annotation was computed. [2022-01-11 03:34:59,831 INFO L858 garLoopResultBuilder]: For program point L75(lines 75 400) no Hoare annotation was computed. [2022-01-11 03:34:59,831 INFO L858 garLoopResultBuilder]: For program point L82(lines 82 400) no Hoare annotation was computed. [2022-01-11 03:34:59,831 INFO L858 garLoopResultBuilder]: For program point L90(lines 90 400) no Hoare annotation was computed. [2022-01-11 03:34:59,831 INFO L858 garLoopResultBuilder]: For program point L94(lines 94 400) no Hoare annotation was computed. [2022-01-11 03:34:59,831 INFO L858 garLoopResultBuilder]: For program point L102(lines 102 400) no Hoare annotation was computed. [2022-01-11 03:34:59,832 INFO L858 garLoopResultBuilder]: For program point L107(lines 107 400) no Hoare annotation was computed. [2022-01-11 03:34:59,832 INFO L858 garLoopResultBuilder]: For program point L112(lines 112 400) no Hoare annotation was computed. [2022-01-11 03:34:59,832 INFO L858 garLoopResultBuilder]: For program point L118(lines 118 400) no Hoare annotation was computed. [2022-01-11 03:34:59,832 INFO L858 garLoopResultBuilder]: For program point L124(lines 124 400) no Hoare annotation was computed. [2022-01-11 03:34:59,832 INFO L858 garLoopResultBuilder]: For program point L129(lines 129 400) no Hoare annotation was computed. [2022-01-11 03:34:59,832 INFO L858 garLoopResultBuilder]: For program point L134(lines 134 400) no Hoare annotation was computed. [2022-01-11 03:34:59,832 INFO L858 garLoopResultBuilder]: For program point L139(lines 139 400) no Hoare annotation was computed. [2022-01-11 03:34:59,832 INFO L858 garLoopResultBuilder]: For program point L146(lines 146 400) no Hoare annotation was computed. [2022-01-11 03:34:59,832 INFO L858 garLoopResultBuilder]: For program point L150(lines 150 400) no Hoare annotation was computed. [2022-01-11 03:34:59,832 INFO L858 garLoopResultBuilder]: For program point L154(lines 154 400) no Hoare annotation was computed. [2022-01-11 03:34:59,832 INFO L858 garLoopResultBuilder]: For program point L158(lines 158 400) no Hoare annotation was computed. [2022-01-11 03:34:59,832 INFO L858 garLoopResultBuilder]: For program point L162(lines 162 400) no Hoare annotation was computed. [2022-01-11 03:34:59,832 INFO L858 garLoopResultBuilder]: For program point L170(lines 170 400) no Hoare annotation was computed. [2022-01-11 03:34:59,832 INFO L858 garLoopResultBuilder]: For program point L175(lines 175 400) no Hoare annotation was computed. [2022-01-11 03:34:59,832 INFO L858 garLoopResultBuilder]: For program point L183(lines 183 400) no Hoare annotation was computed. [2022-01-11 03:34:59,832 INFO L858 garLoopResultBuilder]: For program point L188(lines 188 400) no Hoare annotation was computed. [2022-01-11 03:34:59,832 INFO L858 garLoopResultBuilder]: For program point L196(lines 196 400) no Hoare annotation was computed. [2022-01-11 03:34:59,833 INFO L858 garLoopResultBuilder]: For program point L199(lines 199 400) no Hoare annotation was computed. [2022-01-11 03:34:59,833 INFO L858 garLoopResultBuilder]: For program point L204(lines 204 400) no Hoare annotation was computed. [2022-01-11 03:34:59,833 INFO L858 garLoopResultBuilder]: For program point L207(lines 207 400) no Hoare annotation was computed. [2022-01-11 03:34:59,833 INFO L858 garLoopResultBuilder]: For program point L213(lines 213 400) no Hoare annotation was computed. [2022-01-11 03:34:59,833 INFO L858 garLoopResultBuilder]: For program point L218(lines 218 400) no Hoare annotation was computed. [2022-01-11 03:34:59,833 INFO L858 garLoopResultBuilder]: For program point L224(lines 224 400) no Hoare annotation was computed. [2022-01-11 03:34:59,833 INFO L858 garLoopResultBuilder]: For program point L228(lines 228 400) no Hoare annotation was computed. [2022-01-11 03:34:59,833 INFO L858 garLoopResultBuilder]: For program point L233(lines 233 400) no Hoare annotation was computed. [2022-01-11 03:34:59,833 INFO L858 garLoopResultBuilder]: For program point L241(lines 241 400) no Hoare annotation was computed. [2022-01-11 03:34:59,833 INFO L858 garLoopResultBuilder]: For program point L248(lines 248 400) no Hoare annotation was computed. [2022-01-11 03:34:59,833 INFO L858 garLoopResultBuilder]: For program point L255(lines 255 400) no Hoare annotation was computed. [2022-01-11 03:34:59,833 INFO L858 garLoopResultBuilder]: For program point L260(lines 260 400) no Hoare annotation was computed. [2022-01-11 03:34:59,833 INFO L858 garLoopResultBuilder]: For program point L266(lines 266 400) no Hoare annotation was computed. [2022-01-11 03:34:59,833 INFO L858 garLoopResultBuilder]: For program point L271(lines 271 400) no Hoare annotation was computed. [2022-01-11 03:34:59,833 INFO L858 garLoopResultBuilder]: For program point L275(lines 275 400) no Hoare annotation was computed. [2022-01-11 03:34:59,833 INFO L858 garLoopResultBuilder]: For program point L278(lines 278 400) no Hoare annotation was computed. [2022-01-11 03:34:59,833 INFO L858 garLoopResultBuilder]: For program point L283(lines 283 400) no Hoare annotation was computed. [2022-01-11 03:34:59,834 INFO L858 garLoopResultBuilder]: For program point L288(lines 288 400) no Hoare annotation was computed. [2022-01-11 03:34:59,834 INFO L858 garLoopResultBuilder]: For program point L296(lines 296 400) no Hoare annotation was computed. [2022-01-11 03:34:59,834 INFO L858 garLoopResultBuilder]: For program point L302(lines 302 400) no Hoare annotation was computed. [2022-01-11 03:34:59,834 INFO L858 garLoopResultBuilder]: For program point L309(lines 309 400) no Hoare annotation was computed. [2022-01-11 03:34:59,834 INFO L858 garLoopResultBuilder]: For program point L316(lines 316 400) no Hoare annotation was computed. [2022-01-11 03:34:59,834 INFO L858 garLoopResultBuilder]: For program point L322(lines 322 400) no Hoare annotation was computed. [2022-01-11 03:34:59,834 INFO L858 garLoopResultBuilder]: For program point L326(lines 326 400) no Hoare annotation was computed. [2022-01-11 03:34:59,834 INFO L858 garLoopResultBuilder]: For program point L328(lines 328 400) no Hoare annotation was computed. [2022-01-11 03:34:59,834 INFO L858 garLoopResultBuilder]: For program point L334(lines 334 400) no Hoare annotation was computed. [2022-01-11 03:34:59,834 INFO L858 garLoopResultBuilder]: For program point L339(lines 339 400) no Hoare annotation was computed. [2022-01-11 03:34:59,834 INFO L858 garLoopResultBuilder]: For program point L343(lines 343 400) no Hoare annotation was computed. [2022-01-11 03:34:59,834 INFO L858 garLoopResultBuilder]: For program point L347(lines 347 400) no Hoare annotation was computed. [2022-01-11 03:34:59,834 INFO L858 garLoopResultBuilder]: For program point L355(lines 355 400) no Hoare annotation was computed. [2022-01-11 03:34:59,834 INFO L858 garLoopResultBuilder]: For program point L363(lines 363 400) no Hoare annotation was computed. [2022-01-11 03:34:59,834 INFO L858 garLoopResultBuilder]: For program point L365(lines 365 400) no Hoare annotation was computed. [2022-01-11 03:34:59,834 INFO L858 garLoopResultBuilder]: For program point L371(lines 371 400) no Hoare annotation was computed. [2022-01-11 03:34:59,835 INFO L858 garLoopResultBuilder]: For program point L373(lines 373 400) no Hoare annotation was computed. [2022-01-11 03:34:59,835 INFO L858 garLoopResultBuilder]: For program point L375(lines 375 400) no Hoare annotation was computed. [2022-01-11 03:34:59,835 INFO L858 garLoopResultBuilder]: For program point L382(lines 382 400) no Hoare annotation was computed. [2022-01-11 03:34:59,835 INFO L858 garLoopResultBuilder]: For program point L387(lines 387 400) no Hoare annotation was computed. [2022-01-11 03:34:59,835 INFO L858 garLoopResultBuilder]: For program point L392(lines 392 400) no Hoare annotation was computed. [2022-01-11 03:34:59,835 INFO L858 garLoopResultBuilder]: For program point L401(lines 401 403) no Hoare annotation was computed. [2022-01-11 03:34:59,835 INFO L858 garLoopResultBuilder]: For program point L402(line 402) no Hoare annotation was computed. [2022-01-11 03:34:59,835 INFO L858 garLoopResultBuilder]: For program point L401-2(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:34:59,835 INFO L858 garLoopResultBuilder]: For program point L405(line 405) no Hoare annotation was computed. [2022-01-11 03:34:59,835 INFO L858 garLoopResultBuilder]: For program point L404-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:34:59,835 INFO L858 garLoopResultBuilder]: For program point L408(line 408) no Hoare annotation was computed. [2022-01-11 03:34:59,835 INFO L858 garLoopResultBuilder]: For program point L407-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:34:59,835 INFO L858 garLoopResultBuilder]: For program point L411(line 411) no Hoare annotation was computed. [2022-01-11 03:34:59,835 INFO L858 garLoopResultBuilder]: For program point L410-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:34:59,835 INFO L858 garLoopResultBuilder]: For program point L414(line 414) no Hoare annotation was computed. [2022-01-11 03:34:59,835 INFO L858 garLoopResultBuilder]: For program point L413-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:34:59,835 INFO L858 garLoopResultBuilder]: For program point L417(line 417) no Hoare annotation was computed. [2022-01-11 03:34:59,836 INFO L858 garLoopResultBuilder]: For program point L416-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:34:59,836 INFO L858 garLoopResultBuilder]: For program point L420(line 420) no Hoare annotation was computed. [2022-01-11 03:34:59,836 INFO L858 garLoopResultBuilder]: For program point L419-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:34:59,836 INFO L858 garLoopResultBuilder]: For program point L423(line 423) no Hoare annotation was computed. [2022-01-11 03:34:59,836 INFO L858 garLoopResultBuilder]: For program point L422-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:34:59,836 INFO L858 garLoopResultBuilder]: For program point L426(line 426) no Hoare annotation was computed. [2022-01-11 03:34:59,836 INFO L858 garLoopResultBuilder]: For program point L425-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:34:59,836 INFO L858 garLoopResultBuilder]: For program point L429(line 429) no Hoare annotation was computed. [2022-01-11 03:34:59,836 INFO L858 garLoopResultBuilder]: For program point L428-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:34:59,836 INFO L858 garLoopResultBuilder]: For program point L432(line 432) no Hoare annotation was computed. [2022-01-11 03:34:59,836 INFO L858 garLoopResultBuilder]: For program point L431-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:34:59,836 INFO L858 garLoopResultBuilder]: For program point L435(line 435) no Hoare annotation was computed. [2022-01-11 03:34:59,836 INFO L858 garLoopResultBuilder]: For program point L434-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:34:59,836 INFO L858 garLoopResultBuilder]: For program point L438(line 438) no Hoare annotation was computed. [2022-01-11 03:34:59,836 INFO L858 garLoopResultBuilder]: For program point L437-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:34:59,836 INFO L858 garLoopResultBuilder]: For program point L441(line 441) no Hoare annotation was computed. [2022-01-11 03:34:59,836 INFO L858 garLoopResultBuilder]: For program point L440-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:34:59,836 INFO L858 garLoopResultBuilder]: For program point L444(line 444) no Hoare annotation was computed. [2022-01-11 03:34:59,836 INFO L858 garLoopResultBuilder]: For program point L443-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:34:59,837 INFO L858 garLoopResultBuilder]: For program point L447(line 447) no Hoare annotation was computed. [2022-01-11 03:34:59,837 INFO L858 garLoopResultBuilder]: For program point L446-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:34:59,837 INFO L858 garLoopResultBuilder]: For program point L450(line 450) no Hoare annotation was computed. [2022-01-11 03:34:59,837 INFO L858 garLoopResultBuilder]: For program point L449-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:34:59,837 INFO L858 garLoopResultBuilder]: For program point L453(line 453) no Hoare annotation was computed. [2022-01-11 03:34:59,837 INFO L858 garLoopResultBuilder]: For program point L452-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:34:59,837 INFO L858 garLoopResultBuilder]: For program point L456(line 456) no Hoare annotation was computed. [2022-01-11 03:34:59,837 INFO L858 garLoopResultBuilder]: For program point L455-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:34:59,837 INFO L858 garLoopResultBuilder]: For program point L459(line 459) no Hoare annotation was computed. [2022-01-11 03:34:59,837 INFO L858 garLoopResultBuilder]: For program point L458-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:34:59,837 INFO L858 garLoopResultBuilder]: For program point L462(line 462) no Hoare annotation was computed. [2022-01-11 03:34:59,837 INFO L858 garLoopResultBuilder]: For program point L461-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:34:59,837 INFO L858 garLoopResultBuilder]: For program point L465(line 465) no Hoare annotation was computed. [2022-01-11 03:34:59,837 INFO L858 garLoopResultBuilder]: For program point L464-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:34:59,837 INFO L858 garLoopResultBuilder]: For program point L468(line 468) no Hoare annotation was computed. [2022-01-11 03:34:59,837 INFO L858 garLoopResultBuilder]: For program point L467-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:34:59,837 INFO L858 garLoopResultBuilder]: For program point L471(line 471) no Hoare annotation was computed. [2022-01-11 03:34:59,837 INFO L858 garLoopResultBuilder]: For program point L470-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:34:59,838 INFO L858 garLoopResultBuilder]: For program point L474(line 474) no Hoare annotation was computed. [2022-01-11 03:34:59,838 INFO L858 garLoopResultBuilder]: For program point L473-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:34:59,838 INFO L858 garLoopResultBuilder]: For program point L477(line 477) no Hoare annotation was computed. [2022-01-11 03:34:59,838 INFO L858 garLoopResultBuilder]: For program point L476-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:34:59,838 INFO L858 garLoopResultBuilder]: For program point L480(line 480) no Hoare annotation was computed. [2022-01-11 03:34:59,838 INFO L858 garLoopResultBuilder]: For program point L479-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:34:59,838 INFO L858 garLoopResultBuilder]: For program point L483(line 483) no Hoare annotation was computed. [2022-01-11 03:34:59,838 INFO L858 garLoopResultBuilder]: For program point L482-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:34:59,838 INFO L858 garLoopResultBuilder]: For program point L486(line 486) no Hoare annotation was computed. [2022-01-11 03:34:59,838 INFO L858 garLoopResultBuilder]: For program point L485-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:34:59,838 INFO L858 garLoopResultBuilder]: For program point L489(line 489) no Hoare annotation was computed. [2022-01-11 03:34:59,838 INFO L858 garLoopResultBuilder]: For program point L488-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:34:59,838 INFO L858 garLoopResultBuilder]: For program point L492(line 492) no Hoare annotation was computed. [2022-01-11 03:34:59,838 INFO L858 garLoopResultBuilder]: For program point L491-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:34:59,838 INFO L858 garLoopResultBuilder]: For program point L495(line 495) no Hoare annotation was computed. [2022-01-11 03:34:59,838 INFO L858 garLoopResultBuilder]: For program point L494-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:34:59,838 INFO L858 garLoopResultBuilder]: For program point L498(line 498) no Hoare annotation was computed. [2022-01-11 03:34:59,838 INFO L858 garLoopResultBuilder]: For program point L497-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:34:59,838 INFO L858 garLoopResultBuilder]: For program point L501(line 501) no Hoare annotation was computed. [2022-01-11 03:34:59,839 INFO L858 garLoopResultBuilder]: For program point L500-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:34:59,839 INFO L858 garLoopResultBuilder]: For program point L504(line 504) no Hoare annotation was computed. [2022-01-11 03:34:59,839 INFO L858 garLoopResultBuilder]: For program point L503-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:34:59,839 INFO L858 garLoopResultBuilder]: For program point L507(line 507) no Hoare annotation was computed. [2022-01-11 03:34:59,839 INFO L858 garLoopResultBuilder]: For program point L506-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:34:59,839 INFO L858 garLoopResultBuilder]: For program point L510(line 510) no Hoare annotation was computed. [2022-01-11 03:34:59,839 INFO L858 garLoopResultBuilder]: For program point L509-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:34:59,839 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 510) no Hoare annotation was computed. [2022-01-11 03:34:59,839 INFO L858 garLoopResultBuilder]: For program point L513(line 513) no Hoare annotation was computed. [2022-01-11 03:34:59,839 INFO L858 garLoopResultBuilder]: For program point L512-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:34:59,839 INFO L858 garLoopResultBuilder]: For program point L516(line 516) no Hoare annotation was computed. [2022-01-11 03:34:59,839 INFO L858 garLoopResultBuilder]: For program point L515-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:34:59,839 INFO L858 garLoopResultBuilder]: For program point L519(line 519) no Hoare annotation was computed. [2022-01-11 03:34:59,839 INFO L858 garLoopResultBuilder]: For program point L518-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:34:59,839 INFO L858 garLoopResultBuilder]: For program point L522(line 522) no Hoare annotation was computed. [2022-01-11 03:34:59,839 INFO L858 garLoopResultBuilder]: For program point L521-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:34:59,839 INFO L858 garLoopResultBuilder]: For program point L525(line 525) no Hoare annotation was computed. [2022-01-11 03:34:59,839 INFO L858 garLoopResultBuilder]: For program point L524-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:34:59,840 INFO L858 garLoopResultBuilder]: For program point L528(line 528) no Hoare annotation was computed. [2022-01-11 03:34:59,840 INFO L858 garLoopResultBuilder]: For program point L527-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:34:59,840 INFO L858 garLoopResultBuilder]: For program point L531(line 531) no Hoare annotation was computed. [2022-01-11 03:34:59,840 INFO L858 garLoopResultBuilder]: For program point L530-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:34:59,840 INFO L858 garLoopResultBuilder]: For program point L534(line 534) no Hoare annotation was computed. [2022-01-11 03:34:59,840 INFO L858 garLoopResultBuilder]: For program point L533-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:34:59,840 INFO L858 garLoopResultBuilder]: For program point L537(line 537) no Hoare annotation was computed. [2022-01-11 03:34:59,840 INFO L858 garLoopResultBuilder]: For program point L536-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:34:59,840 INFO L858 garLoopResultBuilder]: For program point L540(line 540) no Hoare annotation was computed. [2022-01-11 03:34:59,840 INFO L858 garLoopResultBuilder]: For program point L539-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:34:59,840 INFO L858 garLoopResultBuilder]: For program point L543(line 543) no Hoare annotation was computed. [2022-01-11 03:34:59,840 INFO L858 garLoopResultBuilder]: For program point L542-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:34:59,840 INFO L858 garLoopResultBuilder]: For program point L546(line 546) no Hoare annotation was computed. [2022-01-11 03:34:59,840 INFO L858 garLoopResultBuilder]: For program point L545-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:34:59,840 INFO L858 garLoopResultBuilder]: For program point L549(line 549) no Hoare annotation was computed. [2022-01-11 03:34:59,840 INFO L858 garLoopResultBuilder]: For program point L548-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:34:59,840 INFO L858 garLoopResultBuilder]: For program point L552(line 552) no Hoare annotation was computed. [2022-01-11 03:34:59,840 INFO L858 garLoopResultBuilder]: For program point L551-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:34:59,840 INFO L858 garLoopResultBuilder]: For program point L555(line 555) no Hoare annotation was computed. [2022-01-11 03:34:59,841 INFO L858 garLoopResultBuilder]: For program point L554-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:34:59,841 INFO L858 garLoopResultBuilder]: For program point L558(line 558) no Hoare annotation was computed. [2022-01-11 03:34:59,841 INFO L858 garLoopResultBuilder]: For program point L557-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:34:59,841 INFO L858 garLoopResultBuilder]: For program point L561(line 561) no Hoare annotation was computed. [2022-01-11 03:34:59,841 INFO L858 garLoopResultBuilder]: For program point L560-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:34:59,841 INFO L858 garLoopResultBuilder]: For program point L564(line 564) no Hoare annotation was computed. [2022-01-11 03:34:59,841 INFO L858 garLoopResultBuilder]: For program point L563-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:34:59,841 INFO L858 garLoopResultBuilder]: For program point L567(line 567) no Hoare annotation was computed. [2022-01-11 03:34:59,841 INFO L858 garLoopResultBuilder]: For program point L566-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:34:59,841 INFO L858 garLoopResultBuilder]: For program point L570(line 570) no Hoare annotation was computed. [2022-01-11 03:34:59,841 INFO L858 garLoopResultBuilder]: For program point L569-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:34:59,841 INFO L858 garLoopResultBuilder]: For program point L573(line 573) no Hoare annotation was computed. [2022-01-11 03:34:59,841 INFO L858 garLoopResultBuilder]: For program point L572-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:34:59,841 INFO L858 garLoopResultBuilder]: For program point L576(line 576) no Hoare annotation was computed. [2022-01-11 03:34:59,841 INFO L858 garLoopResultBuilder]: For program point L575-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:34:59,841 INFO L858 garLoopResultBuilder]: For program point L579(line 579) no Hoare annotation was computed. [2022-01-11 03:34:59,841 INFO L858 garLoopResultBuilder]: For program point L578-1(lines 40 585) no Hoare annotation was computed. [2022-01-11 03:34:59,841 INFO L858 garLoopResultBuilder]: For program point L582(line 582) no Hoare annotation was computed. [2022-01-11 03:34:59,841 INFO L858 garLoopResultBuilder]: For program point L581-1(lines 581 583) no Hoare annotation was computed. [2022-01-11 03:34:59,844 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 03:34:59,845 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-11 03:34:59,869 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.01 03:34:59 BasicIcfg [2022-01-11 03:34:59,869 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-11 03:34:59,870 INFO L158 Benchmark]: Toolchain (without parser) took 9339.35ms. Allocated memory was 165.7MB in the beginning and 319.8MB in the end (delta: 154.1MB). Free memory was 116.4MB in the beginning and 115.1MB in the end (delta: 1.2MB). Peak memory consumption was 157.0MB. Max. memory is 8.0GB. [2022-01-11 03:34:59,870 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 165.7MB. Free memory is still 134.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-11 03:34:59,870 INFO L158 Benchmark]: CACSL2BoogieTranslator took 433.37ms. Allocated memory is still 165.7MB. Free memory was 116.2MB in the beginning and 126.0MB in the end (delta: -9.9MB). Peak memory consumption was 15.3MB. Max. memory is 8.0GB. [2022-01-11 03:34:59,870 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.72ms. Allocated memory is still 165.7MB. Free memory was 126.0MB in the beginning and 120.2MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2022-01-11 03:34:59,870 INFO L158 Benchmark]: Boogie Preprocessor took 35.83ms. Allocated memory is still 165.7MB. Free memory was 120.2MB in the beginning and 116.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-01-11 03:34:59,870 INFO L158 Benchmark]: RCFGBuilder took 875.93ms. Allocated memory is still 165.7MB. Free memory was 116.0MB in the beginning and 110.9MB in the end (delta: 5.1MB). Peak memory consumption was 35.9MB. Max. memory is 8.0GB. [2022-01-11 03:34:59,871 INFO L158 Benchmark]: IcfgTransformer took 175.42ms. Allocated memory is still 165.7MB. Free memory was 110.9MB in the beginning and 75.7MB in the end (delta: 35.1MB). Peak memory consumption was 35.7MB. Max. memory is 8.0GB. [2022-01-11 03:34:59,871 INFO L158 Benchmark]: TraceAbstraction took 7762.07ms. Allocated memory was 165.7MB in the beginning and 319.8MB in the end (delta: 154.1MB). Free memory was 75.2MB in the beginning and 115.1MB in the end (delta: -39.9MB). Peak memory consumption was 115.3MB. Max. memory is 8.0GB. [2022-01-11 03:34:59,872 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 165.7MB. Free memory is still 134.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 433.37ms. Allocated memory is still 165.7MB. Free memory was 116.2MB in the beginning and 126.0MB in the end (delta: -9.9MB). Peak memory consumption was 15.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 51.72ms. Allocated memory is still 165.7MB. Free memory was 126.0MB in the beginning and 120.2MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 35.83ms. Allocated memory is still 165.7MB. Free memory was 120.2MB in the beginning and 116.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 875.93ms. Allocated memory is still 165.7MB. Free memory was 116.0MB in the beginning and 110.9MB in the end (delta: 5.1MB). Peak memory consumption was 35.9MB. Max. memory is 8.0GB. * IcfgTransformer took 175.42ms. Allocated memory is still 165.7MB. Free memory was 110.9MB in the beginning and 75.7MB in the end (delta: 35.1MB). Peak memory consumption was 35.7MB. Max. memory is 8.0GB. * TraceAbstraction took 7762.07ms. Allocated memory was 165.7MB in the beginning and 319.8MB in the end (delta: 154.1MB). Free memory was 75.2MB in the beginning and 115.1MB in the end (delta: -39.9MB). Peak memory consumption was 115.3MB. 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: 510]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 198 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.7s, OverallIterations: 12, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 5.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1688 SdHoareTripleChecker+Valid, 4.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1688 mSDsluCounter, 944 SdHoareTripleChecker+Invalid, 4.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 80 mSDsCounter, 800 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4677 IncrementalHoareTripleChecker+Invalid, 5477 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 800 mSolverCounterUnsat, 864 mSDtfsCounter, 4677 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2362occurred in iteration=10, InterpolantAutomatonStates: 41, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 917 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 40 NumberOfFragments, 157 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1046 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 2172 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 2021 NumberOfCodeBlocks, 2021 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2009 ConstructedInterpolants, 0 QuantifiedInterpolants, 12386 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 1239/1239 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: ((((((1bv32 == a20 && 8bv32 == a12) && ~bvule32(a21, 0bv32)) || ((((8bv32 == a12 && 4bv32 == a16) && 1bv32 == a17) && a8 == 13bv32) && 1bv32 == a21)) || ((((8bv32 == a12 && 14bv32 == a8) && ~bvule32(a17, 0bv32)) && 5bv32 == a16) && 1bv32 == a21)) || ((8bv32 == a12 && ~bvule32(a21, 0bv32)) && ~bvule32(a16, 5bv32))) || ((8bv32 == a12 && !(a7 == 1bv32)) && 1bv32 == a21)) || (((8bv32 == a12 && !(1bv32 == a20)) && ~bvule32(a16, 5bv32)) && 1bv32 == a21) - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: ((((((1bv32 == a20 && 8bv32 == a12) && ~bvule32(a21, 0bv32)) || ((((8bv32 == a12 && 4bv32 == a16) && 1bv32 == a17) && a8 == 13bv32) && 1bv32 == a21)) || ((((8bv32 == a12 && 14bv32 == a8) && ~bvule32(a17, 0bv32)) && 5bv32 == a16) && 1bv32 == a21)) || ((8bv32 == a12 && ~bvule32(a21, 0bv32)) && ~bvule32(a16, 5bv32))) || ((8bv32 == a12 && !(a7 == 1bv32)) && 1bv32 == a21)) || (((8bv32 == a12 && !(1bv32 == a20)) && ~bvule32(a16, 5bv32)) && 1bv32 == a21) RESULT: Ultimate proved your program to be correct! [2022-01-11 03:34:59,904 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...