/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCInlineTransformed.xml -s ../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_LAZY.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label40.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 15:58:08,210 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 15:58:08,211 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 15:58:08,259 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-10 15:58:08,274 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 15:58:08,274 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 15:58:08,275 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 15:58:08,275 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 15:58:08,276 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 15:58:08,276 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 15:58:08,277 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 15:58:08,279 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 15:58:08,287 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 15:58:08,291 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 15:58:08,292 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 15:58:08,292 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 15:58:08,294 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-10 15:58:08,295 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 15:58:08,296 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 15:58:08,296 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 15:58:08,297 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 15:58:08,297 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 15:58:08,297 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 15:58:08,298 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 15:58:08,298 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 15:58:08,298 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 15:58:08,299 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 15:58:08,299 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 15:58:08,305 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_LAZY.epf [2022-01-10 15:58:08,332 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 15:58:08,332 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 15:58:08,332 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 15:58:08,332 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 15:58:08,333 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 15:58:08,333 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 15:58:08,333 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 15:58:08,333 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 15:58:08,333 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 15:58:08,333 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 15:58:08,333 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 15:58:08,333 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 15:58:08,333 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 15:58:08,333 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 15:58:08,334 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 15:58:08,334 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 15:58:08,334 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 15:58:08,334 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 15:58:08,334 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 15:58:08,334 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 15:58:08,334 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 15:58:08,334 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 15:58:08,334 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 15:58:08,334 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 15:58:08,334 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 15:58:08,334 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-10 15:58:08,335 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-10 15:58:08,335 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 15:58:08,335 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 15:58:08,335 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 15:58:08,335 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-10 15:58:08,335 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 15:58:08,335 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-10 15:58:08,336 INFO L138 SettingsManager]: * TransformationType=BV_TO_INT_LAZY WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 15:58:08,521 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 15:58:08,540 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 15:58:08,544 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 15:58:08,545 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 15:58:08,545 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 15:58:08,546 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label40.c [2022-01-10 15:58:08,592 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3fd32a906/fdec09b5a90140008c9bb868eda28d8c/FLAG07f89a27a [2022-01-10 15:58:09,025 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 15:58:09,026 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label40.c [2022-01-10 15:58:09,040 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3fd32a906/fdec09b5a90140008c9bb868eda28d8c/FLAG07f89a27a [2022-01-10 15:58:09,353 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3fd32a906/fdec09b5a90140008c9bb868eda28d8c [2022-01-10 15:58:09,355 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 15:58:09,355 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-10 15:58:09,357 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 15:58:09,357 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 15:58:09,359 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 15:58:09,360 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 03:58:09" (1/1) ... [2022-01-10 15:58:09,361 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c6a901f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:58:09, skipping insertion in model container [2022-01-10 15:58:09,362 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 03:58:09" (1/1) ... [2022-01-10 15:58:09,366 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 15:58:09,400 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 15:58:09,683 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_label40.c[16376,16389] [2022-01-10 15:58:09,704 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 15:58:09,711 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 15:58:09,775 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_label40.c[16376,16389] [2022-01-10 15:58:09,784 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 15:58:09,802 INFO L208 MainTranslator]: Completed translation [2022-01-10 15:58:09,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:58:09 WrapperNode [2022-01-10 15:58:09,802 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 15:58:09,803 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 15:58:09,803 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 15:58:09,803 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 15:58:09,808 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:58:09" (1/1) ... [2022-01-10 15:58:09,830 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:58:09" (1/1) ... [2022-01-10 15:58:09,861 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 655 [2022-01-10 15:58:09,862 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 15:58:09,862 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 15:58:09,862 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 15:58:09,862 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 15:58:09,868 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:58:09" (1/1) ... [2022-01-10 15:58:09,868 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:58:09" (1/1) ... [2022-01-10 15:58:09,872 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:58:09" (1/1) ... [2022-01-10 15:58:09,872 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:58:09" (1/1) ... [2022-01-10 15:58:09,886 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:58:09" (1/1) ... [2022-01-10 15:58:09,891 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:58:09" (1/1) ... [2022-01-10 15:58:09,894 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:58:09" (1/1) ... [2022-01-10 15:58:09,899 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 15:58:09,899 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 15:58:09,899 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 15:58:09,899 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 15:58:09,904 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:58:09" (1/1) ... [2022-01-10 15:58:09,924 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 15:58:09,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 15:58:09,949 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-10 15:58:09,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 15:58:09,967 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-10 15:58:09,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 15:58:09,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 15:58:09,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 15:58:10,041 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 15:58:10,042 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 15:58:10,673 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 15:58:10,679 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 15:58:10,679 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-01-10 15:58:10,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 03:58:10 BoogieIcfgContainer [2022-01-10 15:58:10,680 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 15:58:10,681 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-10 15:58:10,681 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-10 15:58:10,682 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-10 15:58:10,684 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 03:58:10" (1/1) ... [2022-01-10 15:58:10,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 03:58:10 BasicIcfg [2022-01-10 15:58:10,853 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-10 15:58:10,855 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 15:58:10,855 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 15:58:10,857 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 15:58:10,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 03:58:09" (1/4) ... [2022-01-10 15:58:10,858 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7324cea6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 03:58:10, skipping insertion in model container [2022-01-10 15:58:10,858 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:58:09" (2/4) ... [2022-01-10 15:58:10,858 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7324cea6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 03:58:10, skipping insertion in model container [2022-01-10 15:58:10,858 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 03:58:10" (3/4) ... [2022-01-10 15:58:10,858 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7324cea6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 03:58:10, skipping insertion in model container [2022-01-10 15:58:10,859 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 03:58:10" (4/4) ... [2022-01-10 15:58:10,859 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label40.cTransformedIcfg [2022-01-10 15:58:10,863 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 15:58:10,863 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 15:58:10,902 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 15:58:10,915 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-10 15:58:10,915 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 15:58:10,929 INFO L276 IsEmpty]: Start isEmpty. Operand has 198 states, 196 states have (on average 1.6683673469387754) internal successors, (327), 197 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:10,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-01-10 15:58:10,936 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:58:10,937 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] [2022-01-10 15:58:10,937 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:58:10,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:58:10,941 INFO L85 PathProgramCache]: Analyzing trace with hash 1083995210, now seen corresponding path program 1 times [2022-01-10 15:58:10,948 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:58:10,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059384416] [2022-01-10 15:58:10,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:58:10,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:58:11,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:58:11,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 15:58:11,252 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:58:11,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059384416] [2022-01-10 15:58:11,253 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059384416] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:58:11,253 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:58:11,253 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 15:58:11,255 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614476848] [2022-01-10 15:58:11,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:58:11,261 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 15:58:11,261 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:58:11,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 15:58:11,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:58:11,288 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 3 states, 3 states have (on average 29.0) internal successors, (87), 2 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:11,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:58:11,906 INFO L93 Difference]: Finished difference Result 528 states and 915 transitions. [2022-01-10 15:58:11,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 15:58:11,908 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 2 states have internal predecessors, (87), 0 states have call successors, (0), 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 87 [2022-01-10 15:58:11,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:58:11,918 INFO L225 Difference]: With dead ends: 528 [2022-01-10 15:58:11,918 INFO L226 Difference]: Without dead ends: 266 [2022-01-10 15:58:11,921 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:58:11,923 INFO L933 BasicCegarLoop]: 36 mSDtfsCounter, 108 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 388 mSolverCounterSat, 151 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 151 IncrementalHoareTripleChecker+Valid, 388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-10 15:58:11,924 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [108 Valid, 44 Invalid, 539 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [151 Valid, 388 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-10 15:58:11,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2022-01-10 15:58:11,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2022-01-10 15:58:11,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 265 states have (on average 1.4792452830188678) internal successors, (392), 265 states have internal predecessors, (392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:11,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 392 transitions. [2022-01-10 15:58:11,978 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 392 transitions. Word has length 87 [2022-01-10 15:58:11,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:58:11,979 INFO L470 AbstractCegarLoop]: Abstraction has 266 states and 392 transitions. [2022-01-10 15:58:11,979 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 2 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:11,979 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 392 transitions. [2022-01-10 15:58:11,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-01-10 15:58:11,981 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:58:11,981 INFO L514 BasicCegarLoop]: trace histogram [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] [2022-01-10 15:58:11,981 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-10 15:58:11,982 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:58:11,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:58:11,982 INFO L85 PathProgramCache]: Analyzing trace with hash 110901852, now seen corresponding path program 1 times [2022-01-10 15:58:11,982 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:58:11,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442584844] [2022-01-10 15:58:11,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:58:11,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:58:12,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:58:12,068 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 15:58:12,068 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:58:12,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442584844] [2022-01-10 15:58:12,069 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442584844] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:58:12,069 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:58:12,069 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 15:58:12,070 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558179347] [2022-01-10 15:58:12,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:58:12,071 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 15:58:12,071 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:58:12,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 15:58:12,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:58:12,072 INFO L87 Difference]: Start difference. First operand 266 states and 392 transitions. Second operand has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 2 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:12,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:58:12,473 INFO L93 Difference]: Finished difference Result 792 states and 1171 transitions. [2022-01-10 15:58:12,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 15:58:12,473 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 2 states have internal predecessors, (92), 0 states have call successors, (0), 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 92 [2022-01-10 15:58:12,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:58:12,475 INFO L225 Difference]: With dead ends: 792 [2022-01-10 15:58:12,475 INFO L226 Difference]: Without dead ends: 528 [2022-01-10 15:58:12,476 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:58:12,477 INFO L933 BasicCegarLoop]: 25 mSDtfsCounter, 172 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 310 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 392 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-10 15:58:12,477 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [172 Valid, 29 Invalid, 392 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 310 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-10 15:58:12,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2022-01-10 15:58:12,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 528. [2022-01-10 15:58:12,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 528 states, 527 states have (on average 1.413662239089184) internal successors, (745), 527 states have internal predecessors, (745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:12,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 745 transitions. [2022-01-10 15:58:12,490 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 745 transitions. Word has length 92 [2022-01-10 15:58:12,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:58:12,490 INFO L470 AbstractCegarLoop]: Abstraction has 528 states and 745 transitions. [2022-01-10 15:58:12,490 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 2 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:12,491 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 745 transitions. [2022-01-10 15:58:12,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-01-10 15:58:12,493 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:58:12,493 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 15:58:12,494 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-10 15:58:12,494 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:58:12,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:58:12,494 INFO L85 PathProgramCache]: Analyzing trace with hash -86786618, now seen corresponding path program 1 times [2022-01-10 15:58:12,494 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:58:12,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002074071] [2022-01-10 15:58:12,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:58:12,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:58:12,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:58:12,581 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 15:58:12,581 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:58:12,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002074071] [2022-01-10 15:58:12,582 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002074071] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:58:12,582 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:58:12,582 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 15:58:12,582 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987342451] [2022-01-10 15:58:12,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:58:12,582 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 15:58:12,583 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:58:12,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 15:58:12,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:58:12,583 INFO L87 Difference]: Start difference. First operand 528 states and 745 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 2 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:12,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:58:12,998 INFO L93 Difference]: Finished difference Result 1447 states and 2032 transitions. [2022-01-10 15:58:12,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 15:58:12,998 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 2 states have internal predecessors, (102), 0 states have call successors, (0), 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 102 [2022-01-10 15:58:12,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:58:13,001 INFO L225 Difference]: With dead ends: 1447 [2022-01-10 15:58:13,001 INFO L226 Difference]: Without dead ends: 921 [2022-01-10 15:58:13,002 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:58:13,003 INFO L933 BasicCegarLoop]: 51 mSDtfsCounter, 122 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 320 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 320 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-10 15:58:13,003 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [122 Valid, 56 Invalid, 390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 320 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-10 15:58:13,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 921 states. [2022-01-10 15:58:13,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 921 to 790. [2022-01-10 15:58:13,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 790 states, 789 states have (on average 1.3219264892268694) internal successors, (1043), 789 states have internal predecessors, (1043), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:13,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 1043 transitions. [2022-01-10 15:58:13,023 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 1043 transitions. Word has length 102 [2022-01-10 15:58:13,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:58:13,024 INFO L470 AbstractCegarLoop]: Abstraction has 790 states and 1043 transitions. [2022-01-10 15:58:13,024 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 2 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:13,025 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 1043 transitions. [2022-01-10 15:58:13,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-01-10 15:58:13,033 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:58:13,033 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 15:58:13,033 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-10 15:58:13,033 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:58:13,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:58:13,036 INFO L85 PathProgramCache]: Analyzing trace with hash 146946980, now seen corresponding path program 1 times [2022-01-10 15:58:13,036 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:58:13,036 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800428311] [2022-01-10 15:58:13,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:58:13,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:58:13,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:58:13,112 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-01-10 15:58:13,113 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:58:13,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800428311] [2022-01-10 15:58:13,113 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800428311] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:58:13,114 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:58:13,114 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 15:58:13,114 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223220922] [2022-01-10 15:58:13,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:58:13,114 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 15:58:13,114 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:58:13,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 15:58:13,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:58:13,115 INFO L87 Difference]: Start difference. First operand 790 states and 1043 transitions. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 2 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:13,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:58:13,483 INFO L93 Difference]: Finished difference Result 1840 states and 2437 transitions. [2022-01-10 15:58:13,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 15:58:13,485 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 2 states have internal predecessors, (99), 0 states have call successors, (0), 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 103 [2022-01-10 15:58:13,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:58:13,488 INFO L225 Difference]: With dead ends: 1840 [2022-01-10 15:58:13,488 INFO L226 Difference]: Without dead ends: 1052 [2022-01-10 15:58:13,489 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:58:13,490 INFO L933 BasicCegarLoop]: 68 mSDtfsCounter, 129 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 310 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-10 15:58:13,490 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [129 Valid, 72 Invalid, 372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 310 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-10 15:58:13,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1052 states. [2022-01-10 15:58:13,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1052 to 1052. [2022-01-10 15:58:13,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1052 states, 1051 states have (on average 1.2711703139866795) internal successors, (1336), 1051 states have internal predecessors, (1336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:13,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1336 transitions. [2022-01-10 15:58:13,505 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1336 transitions. Word has length 103 [2022-01-10 15:58:13,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:58:13,505 INFO L470 AbstractCegarLoop]: Abstraction has 1052 states and 1336 transitions. [2022-01-10 15:58:13,505 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 2 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:13,505 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1336 transitions. [2022-01-10 15:58:13,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-01-10 15:58:13,506 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:58:13,506 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 15:58:13,506 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-10 15:58:13,507 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:58:13,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:58:13,507 INFO L85 PathProgramCache]: Analyzing trace with hash 449918507, now seen corresponding path program 1 times [2022-01-10 15:58:13,507 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:58:13,507 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78063812] [2022-01-10 15:58:13,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:58:13,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:58:13,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:58:13,556 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 15:58:13,556 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:58:13,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78063812] [2022-01-10 15:58:13,556 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78063812] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:58:13,557 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:58:13,557 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 15:58:13,557 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814847267] [2022-01-10 15:58:13,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:58:13,557 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 15:58:13,557 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:58:13,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 15:58:13,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-10 15:58:13,558 INFO L87 Difference]: Start difference. First operand 1052 states and 1336 transitions. Second operand has 4 states, 4 states have (on average 26.5) internal successors, (106), 3 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:14,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:58:14,170 INFO L93 Difference]: Finished difference Result 2888 states and 3679 transitions. [2022-01-10 15:58:14,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-10 15:58:14,171 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.5) internal successors, (106), 3 states have internal predecessors, (106), 0 states have call successors, (0), 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 106 [2022-01-10 15:58:14,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:58:14,175 INFO L225 Difference]: With dead ends: 2888 [2022-01-10 15:58:14,175 INFO L226 Difference]: Without dead ends: 1838 [2022-01-10 15:58:14,176 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-10 15:58:14,177 INFO L933 BasicCegarLoop]: 50 mSDtfsCounter, 386 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 506 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 386 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 506 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-10 15:58:14,177 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [386 Valid, 59 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 506 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-10 15:58:14,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1838 states. [2022-01-10 15:58:14,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1838 to 1707. [2022-01-10 15:58:14,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1707 states, 1706 states have (on average 1.2338804220398594) internal successors, (2105), 1706 states have internal predecessors, (2105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:14,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1707 states to 1707 states and 2105 transitions. [2022-01-10 15:58:14,200 INFO L78 Accepts]: Start accepts. Automaton has 1707 states and 2105 transitions. Word has length 106 [2022-01-10 15:58:14,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:58:14,200 INFO L470 AbstractCegarLoop]: Abstraction has 1707 states and 2105 transitions. [2022-01-10 15:58:14,200 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.5) internal successors, (106), 3 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:14,200 INFO L276 IsEmpty]: Start isEmpty. Operand 1707 states and 2105 transitions. [2022-01-10 15:58:14,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-01-10 15:58:14,202 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:58:14,202 INFO L514 BasicCegarLoop]: trace histogram [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] [2022-01-10 15:58:14,202 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-10 15:58:14,202 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:58:14,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:58:14,203 INFO L85 PathProgramCache]: Analyzing trace with hash -1421870980, now seen corresponding path program 1 times [2022-01-10 15:58:14,203 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:58:14,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989671197] [2022-01-10 15:58:14,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:58:14,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:58:14,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:58:14,301 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-01-10 15:58:14,301 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:58:14,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989671197] [2022-01-10 15:58:14,301 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989671197] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:58:14,301 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:58:14,301 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 15:58:14,301 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527219090] [2022-01-10 15:58:14,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:58:14,302 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 15:58:14,302 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:58:14,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 15:58:14,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:58:14,303 INFO L87 Difference]: Start difference. First operand 1707 states and 2105 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 2 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:14,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:58:14,656 INFO L93 Difference]: Finished difference Result 2102 states and 2565 transitions. [2022-01-10 15:58:14,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 15:58:14,656 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 2 states have internal predecessors, (89), 0 states have call successors, (0), 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 124 [2022-01-10 15:58:14,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:58:14,661 INFO L225 Difference]: With dead ends: 2102 [2022-01-10 15:58:14,661 INFO L226 Difference]: Without dead ends: 2100 [2022-01-10 15:58:14,662 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:58:14,663 INFO L933 BasicCegarLoop]: 26 mSDtfsCounter, 67 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 341 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-10 15:58:14,663 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [67 Valid, 31 Invalid, 369 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 341 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-10 15:58:14,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2100 states. [2022-01-10 15:58:14,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2100 to 1576. [2022-01-10 15:58:14,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1576 states, 1575 states have (on average 1.2406349206349205) internal successors, (1954), 1575 states have internal predecessors, (1954), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:14,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1576 states and 1954 transitions. [2022-01-10 15:58:14,685 INFO L78 Accepts]: Start accepts. Automaton has 1576 states and 1954 transitions. Word has length 124 [2022-01-10 15:58:14,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:58:14,686 INFO L470 AbstractCegarLoop]: Abstraction has 1576 states and 1954 transitions. [2022-01-10 15:58:14,686 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 2 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:14,686 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 1954 transitions. [2022-01-10 15:58:14,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2022-01-10 15:58:14,688 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:58:14,688 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 15:58:14,689 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-10 15:58:14,689 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:58:14,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:58:14,689 INFO L85 PathProgramCache]: Analyzing trace with hash -1495205284, now seen corresponding path program 1 times [2022-01-10 15:58:14,689 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:58:14,689 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806210945] [2022-01-10 15:58:14,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:58:14,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:58:14,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:58:14,793 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-01-10 15:58:14,793 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:58:14,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806210945] [2022-01-10 15:58:14,793 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806210945] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:58:14,793 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:58:14,793 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 15:58:14,793 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577710874] [2022-01-10 15:58:14,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:58:14,794 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 15:58:14,794 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:58:14,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 15:58:14,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-10 15:58:14,795 INFO L87 Difference]: Start difference. First operand 1576 states and 1954 transitions. Second operand has 4 states, 4 states have (on average 37.5) internal successors, (150), 4 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) [2022-01-10 15:58:15,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:58:15,420 INFO L93 Difference]: Finished difference Result 3412 states and 4192 transitions. [2022-01-10 15:58:15,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-10 15:58:15,421 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 37.5) internal successors, (150), 4 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 192 [2022-01-10 15:58:15,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:58:15,425 INFO L225 Difference]: With dead ends: 3412 [2022-01-10 15:58:15,425 INFO L226 Difference]: Without dead ends: 1838 [2022-01-10 15:58:15,427 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-10 15:58:15,427 INFO L933 BasicCegarLoop]: 35 mSDtfsCounter, 223 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 637 mSolverCounterSat, 140 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 777 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 140 IncrementalHoareTripleChecker+Valid, 637 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-10 15:58:15,428 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [223 Valid, 45 Invalid, 777 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [140 Valid, 637 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-10 15:58:15,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1838 states. [2022-01-10 15:58:15,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1838 to 1576. [2022-01-10 15:58:15,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1576 states, 1575 states have (on average 1.2025396825396826) internal successors, (1894), 1575 states have internal predecessors, (1894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:15,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1576 states and 1894 transitions. [2022-01-10 15:58:15,445 INFO L78 Accepts]: Start accepts. Automaton has 1576 states and 1894 transitions. Word has length 192 [2022-01-10 15:58:15,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:58:15,445 INFO L470 AbstractCegarLoop]: Abstraction has 1576 states and 1894 transitions. [2022-01-10 15:58:15,446 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 37.5) internal successors, (150), 4 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) [2022-01-10 15:58:15,446 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 1894 transitions. [2022-01-10 15:58:15,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2022-01-10 15:58:15,448 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:58:15,448 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 15:58:15,448 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-10 15:58:15,449 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:58:15,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:58:15,449 INFO L85 PathProgramCache]: Analyzing trace with hash 208472880, now seen corresponding path program 1 times [2022-01-10 15:58:15,449 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:58:15,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174588661] [2022-01-10 15:58:15,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:58:15,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:58:15,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:58:15,558 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 243 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2022-01-10 15:58:15,558 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:58:15,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174588661] [2022-01-10 15:58:15,558 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174588661] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:58:15,558 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:58:15,558 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 15:58:15,558 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886741849] [2022-01-10 15:58:15,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:58:15,559 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 15:58:15,559 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:58:15,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 15:58:15,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:58:15,559 INFO L87 Difference]: Start difference. First operand 1576 states and 1894 transitions. Second operand has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:15,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:58:15,918 INFO L93 Difference]: Finished difference Result 3412 states and 4072 transitions. [2022-01-10 15:58:15,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 15:58:15,918 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 0 states have call successors, (0), 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 235 [2022-01-10 15:58:15,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:58:15,923 INFO L225 Difference]: With dead ends: 3412 [2022-01-10 15:58:15,923 INFO L226 Difference]: Without dead ends: 1838 [2022-01-10 15:58:15,924 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:58:15,925 INFO L933 BasicCegarLoop]: 186 mSDtfsCounter, 88 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 356 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-10 15:58:15,925 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [88 Valid, 191 Invalid, 397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 356 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-10 15:58:15,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1838 states. [2022-01-10 15:58:15,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1838 to 1707. [2022-01-10 15:58:15,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1707 states, 1706 states have (on average 1.1588511137162953) internal successors, (1977), 1706 states have internal predecessors, (1977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:15,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1707 states to 1707 states and 1977 transitions. [2022-01-10 15:58:15,945 INFO L78 Accepts]: Start accepts. Automaton has 1707 states and 1977 transitions. Word has length 235 [2022-01-10 15:58:15,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:58:15,945 INFO L470 AbstractCegarLoop]: Abstraction has 1707 states and 1977 transitions. [2022-01-10 15:58:15,945 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:15,945 INFO L276 IsEmpty]: Start isEmpty. Operand 1707 states and 1977 transitions. [2022-01-10 15:58:15,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2022-01-10 15:58:15,948 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:58:15,948 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-01-10 15:58:15,948 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-01-10 15:58:15,948 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:58:15,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:58:15,949 INFO L85 PathProgramCache]: Analyzing trace with hash -1491098182, now seen corresponding path program 1 times [2022-01-10 15:58:15,949 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:58:15,949 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884163376] [2022-01-10 15:58:15,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:58:15,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:58:16,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:58:16,072 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 245 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2022-01-10 15:58:16,072 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:58:16,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884163376] [2022-01-10 15:58:16,073 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1884163376] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:58:16,073 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:58:16,073 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 15:58:16,073 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077583257] [2022-01-10 15:58:16,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:58:16,073 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 15:58:16,073 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:58:16,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 15:58:16,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:58:16,074 INFO L87 Difference]: Start difference. First operand 1707 states and 1977 transitions. Second operand has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:16,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:58:16,468 INFO L93 Difference]: Finished difference Result 3674 states and 4256 transitions. [2022-01-10 15:58:16,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 15:58:16,470 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 257 [2022-01-10 15:58:16,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:58:16,474 INFO L225 Difference]: With dead ends: 3674 [2022-01-10 15:58:16,474 INFO L226 Difference]: Without dead ends: 1969 [2022-01-10 15:58:16,476 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:58:16,477 INFO L933 BasicCegarLoop]: 199 mSDtfsCounter, 113 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 343 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 343 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-10 15:58:16,478 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [113 Valid, 205 Invalid, 391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 343 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-10 15:58:16,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1969 states. [2022-01-10 15:58:16,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1969 to 1969. [2022-01-10 15:58:16,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1969 states, 1968 states have (on average 1.122459349593496) internal successors, (2209), 1968 states have internal predecessors, (2209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:16,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1969 states to 1969 states and 2209 transitions. [2022-01-10 15:58:16,500 INFO L78 Accepts]: Start accepts. Automaton has 1969 states and 2209 transitions. Word has length 257 [2022-01-10 15:58:16,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:58:16,501 INFO L470 AbstractCegarLoop]: Abstraction has 1969 states and 2209 transitions. [2022-01-10 15:58:16,501 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:16,501 INFO L276 IsEmpty]: Start isEmpty. Operand 1969 states and 2209 transitions. [2022-01-10 15:58:16,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2022-01-10 15:58:16,504 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:58:16,505 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-01-10 15:58:16,505 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-01-10 15:58:16,505 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:58:16,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:58:16,505 INFO L85 PathProgramCache]: Analyzing trace with hash -271044762, now seen corresponding path program 1 times [2022-01-10 15:58:16,505 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:58:16,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085719473] [2022-01-10 15:58:16,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:58:16,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:58:16,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:58:16,698 INFO L134 CoverageAnalysis]: Checked inductivity of 467 backedges. 291 proven. 0 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2022-01-10 15:58:16,698 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:58:16,698 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085719473] [2022-01-10 15:58:16,698 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085719473] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:58:16,698 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:58:16,698 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 15:58:16,698 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690144185] [2022-01-10 15:58:16,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:58:16,699 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 15:58:16,699 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:58:16,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 15:58:16,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:58:16,699 INFO L87 Difference]: Start difference. First operand 1969 states and 2209 transitions. Second operand has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:17,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:58:17,066 INFO L93 Difference]: Finished difference Result 4458 states and 4993 transitions. [2022-01-10 15:58:17,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 15:58:17,067 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 0 states have call successors, (0), 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 277 [2022-01-10 15:58:17,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:58:17,068 INFO L225 Difference]: With dead ends: 4458 [2022-01-10 15:58:17,068 INFO L226 Difference]: Without dead ends: 0 [2022-01-10 15:58:17,071 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:58:17,071 INFO L933 BasicCegarLoop]: 185 mSDtfsCounter, 54 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 316 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-10 15:58:17,071 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [54 Valid, 190 Invalid, 380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 316 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-10 15:58:17,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-10 15:58:17,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-10 15:58:17,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:17,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-10 15:58:17,072 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 277 [2022-01-10 15:58:17,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:58:17,072 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-10 15:58:17,072 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:58:17,072 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-10 15:58:17,072 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-10 15:58:17,074 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 15:58:17,074 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-01-10 15:58:17,078 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-10 15:58:17,478 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-10 15:58:17,478 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-10 15:58:17,479 INFO L854 garLoopResultBuilder]: At program point L593-2(lines 593 603) the Hoare annotation is: (let ((.cse0 (= ~a7~0Int 1)) (.cse2 (= ~a21~0Int 1)) (.cse1 (= ~a17~0Int 1))) (or (and (<= 6 ~a16~0Int) .cse0) (and .cse1 .cse0) (and (<= ~a16~0Int 4) (<= ~a17~0Int 0) .cse0) (and (<= ~a16~0Int 5) .cse2) (and .cse2 (<= 15 ~a8~0Int)) (and .cse2 .cse1 (= ~a20~0Int 1)))) [2022-01-10 15:58:17,479 INFO L861 garLoopResultBuilder]: At program point L587(lines 587 604) the Hoare annotation is: true [2022-01-10 15:58:17,479 INFO L858 garLoopResultBuilder]: For program point L598(line 598) no Hoare annotation was computed. [2022-01-10 15:58:17,479 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-10 15:58:17,479 INFO L858 garLoopResultBuilder]: For program point L41(lines 41 400) no Hoare annotation was computed. [2022-01-10 15:58:17,479 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-10 15:58:17,479 INFO L854 garLoopResultBuilder]: At program point L584(lines 40 585) the Hoare annotation is: (let ((.cse0 (= ~a7~0Int 1)) (.cse2 (= ~a21~0Int 1)) (.cse1 (= ~a17~0Int 1))) (or (and (<= 6 ~a16~0Int) .cse0) (and .cse1 .cse0) (and (<= ~a16~0Int 4) (<= ~a17~0Int 0) .cse0) (and (<= ~a16~0Int 5) .cse2) (and .cse2 (<= 15 ~a8~0Int)) (and .cse2 .cse1 (= ~a20~0Int 1)))) [2022-01-10 15:58:17,479 INFO L858 garLoopResultBuilder]: For program point L45(lines 45 400) no Hoare annotation was computed. [2022-01-10 15:58:17,479 INFO L858 garLoopResultBuilder]: For program point L53(lines 53 400) no Hoare annotation was computed. [2022-01-10 15:58:17,479 INFO L858 garLoopResultBuilder]: For program point L59(lines 59 400) no Hoare annotation was computed. [2022-01-10 15:58:17,479 INFO L858 garLoopResultBuilder]: For program point L64(lines 64 400) no Hoare annotation was computed. [2022-01-10 15:58:17,479 INFO L858 garLoopResultBuilder]: For program point L72(lines 72 400) no Hoare annotation was computed. [2022-01-10 15:58:17,479 INFO L858 garLoopResultBuilder]: For program point L75(lines 75 400) no Hoare annotation was computed. [2022-01-10 15:58:17,479 INFO L858 garLoopResultBuilder]: For program point L82(lines 82 400) no Hoare annotation was computed. [2022-01-10 15:58:17,480 INFO L858 garLoopResultBuilder]: For program point L90(lines 90 400) no Hoare annotation was computed. [2022-01-10 15:58:17,480 INFO L858 garLoopResultBuilder]: For program point L94(lines 94 400) no Hoare annotation was computed. [2022-01-10 15:58:17,480 INFO L858 garLoopResultBuilder]: For program point L102(lines 102 400) no Hoare annotation was computed. [2022-01-10 15:58:17,480 INFO L858 garLoopResultBuilder]: For program point L107(lines 107 400) no Hoare annotation was computed. [2022-01-10 15:58:17,480 INFO L858 garLoopResultBuilder]: For program point L112(lines 112 400) no Hoare annotation was computed. [2022-01-10 15:58:17,480 INFO L858 garLoopResultBuilder]: For program point L118(lines 118 400) no Hoare annotation was computed. [2022-01-10 15:58:17,480 INFO L858 garLoopResultBuilder]: For program point L124(lines 124 400) no Hoare annotation was computed. [2022-01-10 15:58:17,480 INFO L858 garLoopResultBuilder]: For program point L129(lines 129 400) no Hoare annotation was computed. [2022-01-10 15:58:17,480 INFO L858 garLoopResultBuilder]: For program point L134(lines 134 400) no Hoare annotation was computed. [2022-01-10 15:58:17,480 INFO L858 garLoopResultBuilder]: For program point L139(lines 139 400) no Hoare annotation was computed. [2022-01-10 15:58:17,480 INFO L858 garLoopResultBuilder]: For program point L146(lines 146 400) no Hoare annotation was computed. [2022-01-10 15:58:17,480 INFO L858 garLoopResultBuilder]: For program point L150(lines 150 400) no Hoare annotation was computed. [2022-01-10 15:58:17,480 INFO L858 garLoopResultBuilder]: For program point L154(lines 154 400) no Hoare annotation was computed. [2022-01-10 15:58:17,480 INFO L858 garLoopResultBuilder]: For program point L158(lines 158 400) no Hoare annotation was computed. [2022-01-10 15:58:17,480 INFO L858 garLoopResultBuilder]: For program point L162(lines 162 400) no Hoare annotation was computed. [2022-01-10 15:58:17,480 INFO L858 garLoopResultBuilder]: For program point L170(lines 170 400) no Hoare annotation was computed. [2022-01-10 15:58:17,480 INFO L858 garLoopResultBuilder]: For program point L175(lines 175 400) no Hoare annotation was computed. [2022-01-10 15:58:17,480 INFO L858 garLoopResultBuilder]: For program point L183(lines 183 400) no Hoare annotation was computed. [2022-01-10 15:58:17,480 INFO L858 garLoopResultBuilder]: For program point L188(lines 188 400) no Hoare annotation was computed. [2022-01-10 15:58:17,480 INFO L858 garLoopResultBuilder]: For program point L196(lines 196 400) no Hoare annotation was computed. [2022-01-10 15:58:17,481 INFO L858 garLoopResultBuilder]: For program point L199(lines 199 400) no Hoare annotation was computed. [2022-01-10 15:58:17,481 INFO L858 garLoopResultBuilder]: For program point L204(lines 204 400) no Hoare annotation was computed. [2022-01-10 15:58:17,481 INFO L858 garLoopResultBuilder]: For program point L207(lines 207 400) no Hoare annotation was computed. [2022-01-10 15:58:17,481 INFO L858 garLoopResultBuilder]: For program point L213(lines 213 400) no Hoare annotation was computed. [2022-01-10 15:58:17,481 INFO L858 garLoopResultBuilder]: For program point L218(lines 218 400) no Hoare annotation was computed. [2022-01-10 15:58:17,481 INFO L858 garLoopResultBuilder]: For program point L224(lines 224 400) no Hoare annotation was computed. [2022-01-10 15:58:17,481 INFO L858 garLoopResultBuilder]: For program point L228(lines 228 400) no Hoare annotation was computed. [2022-01-10 15:58:17,481 INFO L858 garLoopResultBuilder]: For program point L233(lines 233 400) no Hoare annotation was computed. [2022-01-10 15:58:17,481 INFO L858 garLoopResultBuilder]: For program point L241(lines 241 400) no Hoare annotation was computed. [2022-01-10 15:58:17,481 INFO L858 garLoopResultBuilder]: For program point L248(lines 248 400) no Hoare annotation was computed. [2022-01-10 15:58:17,483 INFO L858 garLoopResultBuilder]: For program point L255(lines 255 400) no Hoare annotation was computed. [2022-01-10 15:58:17,483 INFO L858 garLoopResultBuilder]: For program point L260(lines 260 400) no Hoare annotation was computed. [2022-01-10 15:58:17,483 INFO L858 garLoopResultBuilder]: For program point L266(lines 266 400) no Hoare annotation was computed. [2022-01-10 15:58:17,483 INFO L858 garLoopResultBuilder]: For program point L271(lines 271 400) no Hoare annotation was computed. [2022-01-10 15:58:17,483 INFO L858 garLoopResultBuilder]: For program point L275(lines 275 400) no Hoare annotation was computed. [2022-01-10 15:58:17,483 INFO L858 garLoopResultBuilder]: For program point L278(lines 278 400) no Hoare annotation was computed. [2022-01-10 15:58:17,483 INFO L858 garLoopResultBuilder]: For program point L283(lines 283 400) no Hoare annotation was computed. [2022-01-10 15:58:17,483 INFO L858 garLoopResultBuilder]: For program point L288(lines 288 400) no Hoare annotation was computed. [2022-01-10 15:58:17,483 INFO L858 garLoopResultBuilder]: For program point L296(lines 296 400) no Hoare annotation was computed. [2022-01-10 15:58:17,483 INFO L858 garLoopResultBuilder]: For program point L302(lines 302 400) no Hoare annotation was computed. [2022-01-10 15:58:17,483 INFO L858 garLoopResultBuilder]: For program point L309(lines 309 400) no Hoare annotation was computed. [2022-01-10 15:58:17,484 INFO L858 garLoopResultBuilder]: For program point L316(lines 316 400) no Hoare annotation was computed. [2022-01-10 15:58:17,484 INFO L858 garLoopResultBuilder]: For program point L322(lines 322 400) no Hoare annotation was computed. [2022-01-10 15:58:17,484 INFO L858 garLoopResultBuilder]: For program point L326(lines 326 400) no Hoare annotation was computed. [2022-01-10 15:58:17,484 INFO L858 garLoopResultBuilder]: For program point L328(lines 328 400) no Hoare annotation was computed. [2022-01-10 15:58:17,484 INFO L858 garLoopResultBuilder]: For program point L334(lines 334 400) no Hoare annotation was computed. [2022-01-10 15:58:17,484 INFO L858 garLoopResultBuilder]: For program point L339(lines 339 400) no Hoare annotation was computed. [2022-01-10 15:58:17,484 INFO L858 garLoopResultBuilder]: For program point L343(lines 343 400) no Hoare annotation was computed. [2022-01-10 15:58:17,484 INFO L858 garLoopResultBuilder]: For program point L347(lines 347 400) no Hoare annotation was computed. [2022-01-10 15:58:17,484 INFO L858 garLoopResultBuilder]: For program point L355(lines 355 400) no Hoare annotation was computed. [2022-01-10 15:58:17,484 INFO L858 garLoopResultBuilder]: For program point L363(lines 363 400) no Hoare annotation was computed. [2022-01-10 15:58:17,484 INFO L858 garLoopResultBuilder]: For program point L365(lines 365 400) no Hoare annotation was computed. [2022-01-10 15:58:17,484 INFO L858 garLoopResultBuilder]: For program point L371(lines 371 400) no Hoare annotation was computed. [2022-01-10 15:58:17,484 INFO L858 garLoopResultBuilder]: For program point L373(lines 373 400) no Hoare annotation was computed. [2022-01-10 15:58:17,484 INFO L858 garLoopResultBuilder]: For program point L375(lines 375 400) no Hoare annotation was computed. [2022-01-10 15:58:17,484 INFO L858 garLoopResultBuilder]: For program point L382(lines 382 400) no Hoare annotation was computed. [2022-01-10 15:58:17,484 INFO L858 garLoopResultBuilder]: For program point L387(lines 387 400) no Hoare annotation was computed. [2022-01-10 15:58:17,484 INFO L858 garLoopResultBuilder]: For program point L392(lines 392 400) no Hoare annotation was computed. [2022-01-10 15:58:17,484 INFO L858 garLoopResultBuilder]: For program point L401(lines 401 403) no Hoare annotation was computed. [2022-01-10 15:58:17,484 INFO L858 garLoopResultBuilder]: For program point L402(line 402) no Hoare annotation was computed. [2022-01-10 15:58:17,484 INFO L858 garLoopResultBuilder]: For program point L401-2(lines 40 585) no Hoare annotation was computed. [2022-01-10 15:58:17,484 INFO L858 garLoopResultBuilder]: For program point L405(line 405) no Hoare annotation was computed. [2022-01-10 15:58:17,485 INFO L858 garLoopResultBuilder]: For program point L404-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 15:58:17,485 INFO L858 garLoopResultBuilder]: For program point L408(line 408) no Hoare annotation was computed. [2022-01-10 15:58:17,485 INFO L858 garLoopResultBuilder]: For program point L407-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 15:58:17,485 INFO L858 garLoopResultBuilder]: For program point L411(line 411) no Hoare annotation was computed. [2022-01-10 15:58:17,485 INFO L858 garLoopResultBuilder]: For program point L410-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 15:58:17,485 INFO L858 garLoopResultBuilder]: For program point L414(line 414) no Hoare annotation was computed. [2022-01-10 15:58:17,485 INFO L858 garLoopResultBuilder]: For program point L413-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 15:58:17,485 INFO L858 garLoopResultBuilder]: For program point L417(line 417) no Hoare annotation was computed. [2022-01-10 15:58:17,485 INFO L858 garLoopResultBuilder]: For program point L416-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 15:58:17,485 INFO L858 garLoopResultBuilder]: For program point L420(line 420) no Hoare annotation was computed. [2022-01-10 15:58:17,485 INFO L858 garLoopResultBuilder]: For program point L419-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 15:58:17,485 INFO L858 garLoopResultBuilder]: For program point L423(line 423) no Hoare annotation was computed. [2022-01-10 15:58:17,485 INFO L858 garLoopResultBuilder]: For program point L422-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 15:58:17,485 INFO L858 garLoopResultBuilder]: For program point L426(line 426) no Hoare annotation was computed. [2022-01-10 15:58:17,485 INFO L858 garLoopResultBuilder]: For program point L425-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 15:58:17,485 INFO L858 garLoopResultBuilder]: For program point L429(line 429) no Hoare annotation was computed. [2022-01-10 15:58:17,485 INFO L858 garLoopResultBuilder]: For program point L428-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 15:58:17,485 INFO L858 garLoopResultBuilder]: For program point L432(line 432) no Hoare annotation was computed. [2022-01-10 15:58:17,485 INFO L858 garLoopResultBuilder]: For program point L431-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 15:58:17,485 INFO L858 garLoopResultBuilder]: For program point L435(line 435) no Hoare annotation was computed. [2022-01-10 15:58:17,485 INFO L858 garLoopResultBuilder]: For program point L434-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 15:58:17,485 INFO L858 garLoopResultBuilder]: For program point L438(line 438) no Hoare annotation was computed. [2022-01-10 15:58:17,485 INFO L858 garLoopResultBuilder]: For program point L437-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 15:58:17,486 INFO L858 garLoopResultBuilder]: For program point L441(line 441) no Hoare annotation was computed. [2022-01-10 15:58:17,486 INFO L858 garLoopResultBuilder]: For program point L440-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 15:58:17,486 INFO L858 garLoopResultBuilder]: For program point L444(line 444) no Hoare annotation was computed. [2022-01-10 15:58:17,486 INFO L858 garLoopResultBuilder]: For program point L443-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 15:58:17,486 INFO L858 garLoopResultBuilder]: For program point L447(line 447) no Hoare annotation was computed. [2022-01-10 15:58:17,486 INFO L858 garLoopResultBuilder]: For program point L446-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 15:58:17,486 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 447) no Hoare annotation was computed. [2022-01-10 15:58:17,486 INFO L858 garLoopResultBuilder]: For program point L450(line 450) no Hoare annotation was computed. [2022-01-10 15:58:17,486 INFO L858 garLoopResultBuilder]: For program point L449-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 15:58:17,486 INFO L858 garLoopResultBuilder]: For program point L453(line 453) no Hoare annotation was computed. [2022-01-10 15:58:17,486 INFO L858 garLoopResultBuilder]: For program point L452-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 15:58:17,486 INFO L858 garLoopResultBuilder]: For program point L456(line 456) no Hoare annotation was computed. [2022-01-10 15:58:17,486 INFO L858 garLoopResultBuilder]: For program point L455-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 15:58:17,486 INFO L858 garLoopResultBuilder]: For program point L459(line 459) no Hoare annotation was computed. [2022-01-10 15:58:17,486 INFO L858 garLoopResultBuilder]: For program point L458-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 15:58:17,486 INFO L858 garLoopResultBuilder]: For program point L462(line 462) no Hoare annotation was computed. [2022-01-10 15:58:17,486 INFO L858 garLoopResultBuilder]: For program point L461-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 15:58:17,486 INFO L858 garLoopResultBuilder]: For program point L465(line 465) no Hoare annotation was computed. [2022-01-10 15:58:17,486 INFO L858 garLoopResultBuilder]: For program point L464-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 15:58:17,486 INFO L858 garLoopResultBuilder]: For program point L468(line 468) no Hoare annotation was computed. [2022-01-10 15:58:17,487 INFO L858 garLoopResultBuilder]: For program point L467-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 15:58:17,487 INFO L858 garLoopResultBuilder]: For program point L471(line 471) no Hoare annotation was computed. [2022-01-10 15:58:17,487 INFO L858 garLoopResultBuilder]: For program point L470-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 15:58:17,487 INFO L858 garLoopResultBuilder]: For program point L474(line 474) no Hoare annotation was computed. [2022-01-10 15:58:17,487 INFO L858 garLoopResultBuilder]: For program point L473-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 15:58:17,487 INFO L858 garLoopResultBuilder]: For program point L477(line 477) no Hoare annotation was computed. [2022-01-10 15:58:17,487 INFO L858 garLoopResultBuilder]: For program point L476-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 15:58:17,487 INFO L858 garLoopResultBuilder]: For program point L480(line 480) no Hoare annotation was computed. [2022-01-10 15:58:17,487 INFO L858 garLoopResultBuilder]: For program point L479-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 15:58:17,487 INFO L858 garLoopResultBuilder]: For program point L483(line 483) no Hoare annotation was computed. [2022-01-10 15:58:17,487 INFO L858 garLoopResultBuilder]: For program point L482-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 15:58:17,487 INFO L858 garLoopResultBuilder]: For program point L486(line 486) no Hoare annotation was computed. [2022-01-10 15:58:17,487 INFO L858 garLoopResultBuilder]: For program point L485-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 15:58:17,487 INFO L858 garLoopResultBuilder]: For program point L489(line 489) no Hoare annotation was computed. [2022-01-10 15:58:17,487 INFO L858 garLoopResultBuilder]: For program point L488-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 15:58:17,487 INFO L858 garLoopResultBuilder]: For program point L492(line 492) no Hoare annotation was computed. [2022-01-10 15:58:17,487 INFO L858 garLoopResultBuilder]: For program point L491-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 15:58:17,487 INFO L858 garLoopResultBuilder]: For program point L495(line 495) no Hoare annotation was computed. [2022-01-10 15:58:17,487 INFO L858 garLoopResultBuilder]: For program point L494-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 15:58:17,487 INFO L858 garLoopResultBuilder]: For program point L498(line 498) no Hoare annotation was computed. [2022-01-10 15:58:17,487 INFO L858 garLoopResultBuilder]: For program point L497-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 15:58:17,487 INFO L858 garLoopResultBuilder]: For program point L501(line 501) no Hoare annotation was computed. [2022-01-10 15:58:17,488 INFO L858 garLoopResultBuilder]: For program point L500-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 15:58:17,488 INFO L858 garLoopResultBuilder]: For program point L504(line 504) no Hoare annotation was computed. [2022-01-10 15:58:17,488 INFO L858 garLoopResultBuilder]: For program point L503-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 15:58:17,488 INFO L858 garLoopResultBuilder]: For program point L507(line 507) no Hoare annotation was computed. [2022-01-10 15:58:17,488 INFO L858 garLoopResultBuilder]: For program point L506-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 15:58:17,488 INFO L858 garLoopResultBuilder]: For program point L510(line 510) no Hoare annotation was computed. [2022-01-10 15:58:17,488 INFO L858 garLoopResultBuilder]: For program point L509-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 15:58:17,488 INFO L858 garLoopResultBuilder]: For program point L513(line 513) no Hoare annotation was computed. [2022-01-10 15:58:17,488 INFO L858 garLoopResultBuilder]: For program point L512-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 15:58:17,488 INFO L858 garLoopResultBuilder]: For program point L516(line 516) no Hoare annotation was computed. [2022-01-10 15:58:17,488 INFO L858 garLoopResultBuilder]: For program point L515-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 15:58:17,488 INFO L858 garLoopResultBuilder]: For program point L519(line 519) no Hoare annotation was computed. [2022-01-10 15:58:17,488 INFO L858 garLoopResultBuilder]: For program point L518-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 15:58:17,488 INFO L858 garLoopResultBuilder]: For program point L522(line 522) no Hoare annotation was computed. [2022-01-10 15:58:17,488 INFO L858 garLoopResultBuilder]: For program point L521-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 15:58:17,488 INFO L858 garLoopResultBuilder]: For program point L525(line 525) no Hoare annotation was computed. [2022-01-10 15:58:17,488 INFO L858 garLoopResultBuilder]: For program point L524-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 15:58:17,488 INFO L858 garLoopResultBuilder]: For program point L528(line 528) no Hoare annotation was computed. [2022-01-10 15:58:17,488 INFO L858 garLoopResultBuilder]: For program point L527-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 15:58:17,488 INFO L858 garLoopResultBuilder]: For program point L531(line 531) no Hoare annotation was computed. [2022-01-10 15:58:17,488 INFO L858 garLoopResultBuilder]: For program point L530-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 15:58:17,488 INFO L858 garLoopResultBuilder]: For program point L534(line 534) no Hoare annotation was computed. [2022-01-10 15:58:17,488 INFO L858 garLoopResultBuilder]: For program point L533-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 15:58:17,489 INFO L858 garLoopResultBuilder]: For program point L537(line 537) no Hoare annotation was computed. [2022-01-10 15:58:17,489 INFO L858 garLoopResultBuilder]: For program point L536-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 15:58:17,489 INFO L858 garLoopResultBuilder]: For program point L540(line 540) no Hoare annotation was computed. [2022-01-10 15:58:17,489 INFO L858 garLoopResultBuilder]: For program point L539-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 15:58:17,489 INFO L858 garLoopResultBuilder]: For program point L543(line 543) no Hoare annotation was computed. [2022-01-10 15:58:17,489 INFO L858 garLoopResultBuilder]: For program point L542-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 15:58:17,489 INFO L858 garLoopResultBuilder]: For program point L546(line 546) no Hoare annotation was computed. [2022-01-10 15:58:17,489 INFO L858 garLoopResultBuilder]: For program point L545-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 15:58:17,489 INFO L858 garLoopResultBuilder]: For program point L549(line 549) no Hoare annotation was computed. [2022-01-10 15:58:17,489 INFO L858 garLoopResultBuilder]: For program point L548-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 15:58:17,489 INFO L858 garLoopResultBuilder]: For program point L552(line 552) no Hoare annotation was computed. [2022-01-10 15:58:17,489 INFO L858 garLoopResultBuilder]: For program point L551-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 15:58:17,489 INFO L858 garLoopResultBuilder]: For program point L555(line 555) no Hoare annotation was computed. [2022-01-10 15:58:17,489 INFO L858 garLoopResultBuilder]: For program point L554-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 15:58:17,489 INFO L858 garLoopResultBuilder]: For program point L558(line 558) no Hoare annotation was computed. [2022-01-10 15:58:17,489 INFO L858 garLoopResultBuilder]: For program point L557-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 15:58:17,489 INFO L858 garLoopResultBuilder]: For program point L561(line 561) no Hoare annotation was computed. [2022-01-10 15:58:17,489 INFO L858 garLoopResultBuilder]: For program point L560-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 15:58:17,489 INFO L858 garLoopResultBuilder]: For program point L564(line 564) no Hoare annotation was computed. [2022-01-10 15:58:17,489 INFO L858 garLoopResultBuilder]: For program point L563-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 15:58:17,489 INFO L858 garLoopResultBuilder]: For program point L567(line 567) no Hoare annotation was computed. [2022-01-10 15:58:17,490 INFO L858 garLoopResultBuilder]: For program point L566-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 15:58:17,490 INFO L858 garLoopResultBuilder]: For program point L570(line 570) no Hoare annotation was computed. [2022-01-10 15:58:17,490 INFO L858 garLoopResultBuilder]: For program point L569-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 15:58:17,490 INFO L858 garLoopResultBuilder]: For program point L573(line 573) no Hoare annotation was computed. [2022-01-10 15:58:17,490 INFO L858 garLoopResultBuilder]: For program point L572-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 15:58:17,490 INFO L858 garLoopResultBuilder]: For program point L576(line 576) no Hoare annotation was computed. [2022-01-10 15:58:17,490 INFO L858 garLoopResultBuilder]: For program point L575-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 15:58:17,490 INFO L858 garLoopResultBuilder]: For program point L579(line 579) no Hoare annotation was computed. [2022-01-10 15:58:17,490 INFO L858 garLoopResultBuilder]: For program point L578-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 15:58:17,490 INFO L858 garLoopResultBuilder]: For program point L582(line 582) no Hoare annotation was computed. [2022-01-10 15:58:17,490 INFO L858 garLoopResultBuilder]: For program point L581-1(lines 581 583) no Hoare annotation was computed. [2022-01-10 15:58:17,492 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 15:58:17,493 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 15:58:17,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 03:58:17 BasicIcfg [2022-01-10 15:58:17,516 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 15:58:17,517 INFO L158 Benchmark]: Toolchain (without parser) took 8161.06ms. Allocated memory was 189.8MB in the beginning and 276.8MB in the end (delta: 87.0MB). Free memory was 133.6MB in the beginning and 85.7MB in the end (delta: 48.0MB). Peak memory consumption was 135.3MB. Max. memory is 8.0GB. [2022-01-10 15:58:17,517 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 189.8MB. Free memory is still 151.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 15:58:17,517 INFO L158 Benchmark]: CACSL2BoogieTranslator took 445.05ms. Allocated memory was 189.8MB in the beginning and 230.7MB in the end (delta: 40.9MB). Free memory was 133.4MB in the beginning and 185.4MB in the end (delta: -51.9MB). Peak memory consumption was 10.4MB. Max. memory is 8.0GB. [2022-01-10 15:58:17,517 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.04ms. Allocated memory is still 230.7MB. Free memory was 185.4MB in the beginning and 179.6MB in the end (delta: 5.8MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2022-01-10 15:58:17,517 INFO L158 Benchmark]: Boogie Preprocessor took 36.42ms. Allocated memory is still 230.7MB. Free memory was 179.6MB in the beginning and 174.8MB in the end (delta: 4.8MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2022-01-10 15:58:17,518 INFO L158 Benchmark]: RCFGBuilder took 781.35ms. Allocated memory is still 230.7MB. Free memory was 174.8MB in the beginning and 115.7MB in the end (delta: 59.2MB). Peak memory consumption was 58.7MB. Max. memory is 8.0GB. [2022-01-10 15:58:17,518 INFO L158 Benchmark]: IcfgTransformer took 172.41ms. Allocated memory is still 230.7MB. Free memory was 115.7MB in the beginning and 80.5MB in the end (delta: 35.1MB). Peak memory consumption was 35.7MB. Max. memory is 8.0GB. [2022-01-10 15:58:17,518 INFO L158 Benchmark]: TraceAbstraction took 6661.45ms. Allocated memory was 230.7MB in the beginning and 276.8MB in the end (delta: 46.1MB). Free memory was 80.0MB in the beginning and 85.7MB in the end (delta: -5.6MB). Peak memory consumption was 42.1MB. Max. memory is 8.0GB. [2022-01-10 15:58:17,519 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 189.8MB. Free memory is still 151.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 445.05ms. Allocated memory was 189.8MB in the beginning and 230.7MB in the end (delta: 40.9MB). Free memory was 133.4MB in the beginning and 185.4MB in the end (delta: -51.9MB). Peak memory consumption was 10.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 59.04ms. Allocated memory is still 230.7MB. Free memory was 185.4MB in the beginning and 179.6MB in the end (delta: 5.8MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 36.42ms. Allocated memory is still 230.7MB. Free memory was 179.6MB in the beginning and 174.8MB in the end (delta: 4.8MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * RCFGBuilder took 781.35ms. Allocated memory is still 230.7MB. Free memory was 174.8MB in the beginning and 115.7MB in the end (delta: 59.2MB). Peak memory consumption was 58.7MB. Max. memory is 8.0GB. * IcfgTransformer took 172.41ms. Allocated memory is still 230.7MB. Free memory was 115.7MB in the beginning and 80.5MB in the end (delta: 35.1MB). Peak memory consumption was 35.7MB. Max. memory is 8.0GB. * TraceAbstraction took 6661.45ms. Allocated memory was 230.7MB in the beginning and 276.8MB in the end (delta: 46.1MB). Free memory was 80.0MB in the beginning and 85.7MB in the end (delta: -5.6MB). Peak memory consumption was 42.1MB. 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: 447]: 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: 6.6s, OverallIterations: 10, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1462 SdHoareTripleChecker+Valid, 4.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1462 mSDsluCounter, 922 SdHoareTripleChecker+Invalid, 3.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 61 mSDsCounter, 803 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3827 IncrementalHoareTripleChecker+Invalid, 4630 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 803 mSolverCounterUnsat, 861 mSDtfsCounter, 3827 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1969occurred in iteration=9, InterpolantAutomatonStates: 32, 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, 10 MinimizatonAttempts, 1179 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 43 NumberOfFragments, 99 HoareAnnotationTreeSize, 3 FomulaSimplifications, 984 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 3402 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 1575 NumberOfCodeBlocks, 1575 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1565 ConstructedInterpolants, 0 QuantifiedInterpolants, 3358 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 1555/1555 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: (((((a7 == 1bv32 && 1bv32 == a17) || ((a7 == 1bv32 && ~bvule32(a16, 4bv32)) && ~bvule32(a17, 0bv32))) || ((1bv32 == a20 && 1bv32 == a17) && 1bv32 == a21)) || (a7 == 1bv32 && ~bvule32(6bv32, a16))) || (~bvule32(a16, 5bv32) && 1bv32 == a21)) || (~bvule32(15bv32, a8) && 1bv32 == a21) - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: (((((a7 == 1bv32 && 1bv32 == a17) || ((a7 == 1bv32 && ~bvule32(a16, 4bv32)) && ~bvule32(a17, 0bv32))) || ((1bv32 == a20 && 1bv32 == a17) && 1bv32 == a21)) || (a7 == 1bv32 && ~bvule32(6bv32, a16))) || (~bvule32(a16, 5bv32) && 1bv32 == a21)) || (~bvule32(15bv32, a8) && 1bv32 == a21) RESULT: Ultimate proved your program to be correct! [2022-01-10 15:58:17,562 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...