/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/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/array-fpi/res2f.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 04:06:25,906 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 04:06:25,908 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 04:06:25,940 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 04:06:25,940 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 04:06:25,941 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 04:06:25,942 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 04:06:25,947 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 04:06:25,948 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 04:06:25,948 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 04:06:25,949 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 04:06:25,950 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 04:06:25,950 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 04:06:25,951 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 04:06:25,952 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 04:06:25,952 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 04:06:25,953 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 04:06:25,982 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 04:06:25,984 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 04:06:25,985 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 04:06:25,986 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 04:06:25,987 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 04:06:25,988 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 04:06:25,988 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 04:06:25,990 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-10 04:06:25,992 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 04:06:25,992 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 04:06:25,993 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 04:06:25,993 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 04:06:25,994 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 04:06:25,994 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 04:06:25,995 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 04:06:25,995 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 04:06:25,995 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 04:06:25,995 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 04:06:25,996 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 04:06:25,997 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-01-10 04:06:26,014 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 04:06:26,014 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 04:06:26,014 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 04:06:26,014 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 04:06:26,015 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-10 04:06:26,015 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-10 04:06:26,015 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 04:06:26,015 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 04:06:26,015 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 04:06:26,016 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 04:06:26,016 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 04:06:26,016 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 04:06:26,016 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 04:06:26,016 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 04:06:26,016 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 04:06:26,016 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 04:06:26,016 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 04:06:26,016 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 04:06:26,016 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 04:06:26,016 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 04:06:26,017 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 04:06:26,017 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 04:06:26,017 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 04:06:26,017 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 04:06:26,017 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 04:06:26,017 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 04:06:26,017 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 04:06:26,017 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-01-10 04:06:26,017 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-01-10 04:06:26,017 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 04:06:26,018 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 04:06:26,018 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 04:06:26,018 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 04:06:26,018 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 04:06:26,227 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 04:06:26,250 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 04:06:26,253 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 04:06:26,254 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 04:06:26,254 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 04:06:26,255 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/res2f.c [2022-01-10 04:06:26,302 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d5f826a3/0e0a081619954a73aff31d52e559c66f/FLAG4cfd5945a [2022-01-10 04:06:26,647 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 04:06:26,648 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-fpi/res2f.c [2022-01-10 04:06:26,652 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d5f826a3/0e0a081619954a73aff31d52e559c66f/FLAG4cfd5945a [2022-01-10 04:06:27,087 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d5f826a3/0e0a081619954a73aff31d52e559c66f [2022-01-10 04:06:27,103 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 04:06:27,104 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-10 04:06:27,105 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 04:06:27,105 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 04:06:27,110 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 04:06:27,111 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 04:06:27" (1/1) ... [2022-01-10 04:06:27,112 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fce373c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:06:27, skipping insertion in model container [2022-01-10 04:06:27,112 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 04:06:27" (1/1) ... [2022-01-10 04:06:27,117 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 04:06:27,130 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 04:06:27,280 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/array-fpi/res2f.c[588,601] [2022-01-10 04:06:27,322 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 04:06:27,332 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 04:06:27,342 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/array-fpi/res2f.c[588,601] [2022-01-10 04:06:27,363 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 04:06:27,378 INFO L208 MainTranslator]: Completed translation [2022-01-10 04:06:27,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:06:27 WrapperNode [2022-01-10 04:06:27,379 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 04:06:27,380 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 04:06:27,380 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 04:06:27,380 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 04:06:27,385 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:06:27" (1/1) ... [2022-01-10 04:06:27,401 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:06:27" (1/1) ... [2022-01-10 04:06:27,424 INFO L137 Inliner]: procedures = 21, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 112 [2022-01-10 04:06:27,424 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 04:06:27,425 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 04:06:27,425 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 04:06:27,425 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 04:06:27,431 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:06:27" (1/1) ... [2022-01-10 04:06:27,431 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:06:27" (1/1) ... [2022-01-10 04:06:27,437 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:06:27" (1/1) ... [2022-01-10 04:06:27,437 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:06:27" (1/1) ... [2022-01-10 04:06:27,455 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:06:27" (1/1) ... [2022-01-10 04:06:27,458 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:06:27" (1/1) ... [2022-01-10 04:06:27,459 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:06:27" (1/1) ... [2022-01-10 04:06:27,460 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 04:06:27,461 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 04:06:27,461 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 04:06:27,461 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 04:06:27,462 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:06:27" (1/1) ... [2022-01-10 04:06:27,469 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 04:06:27,477 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 04:06:27,488 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 04:06:27,491 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 04:06:27,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 04:06:27,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 04:06:27,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-10 04:06:27,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-01-10 04:06:27,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-01-10 04:06:27,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-01-10 04:06:27,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 04:06:27,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 04:06:27,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-01-10 04:06:27,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-10 04:06:27,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-01-10 04:06:27,580 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 04:06:27,581 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 04:06:27,752 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 04:06:27,756 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 04:06:27,756 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2022-01-10 04:06:27,758 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 04:06:27 BoogieIcfgContainer [2022-01-10 04:06:27,758 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 04:06:27,759 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 04:06:27,759 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 04:06:27,761 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 04:06:27,761 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 04:06:27" (1/3) ... [2022-01-10 04:06:27,762 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@223ff581 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 04:06:27, skipping insertion in model container [2022-01-10 04:06:27,762 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:06:27" (2/3) ... [2022-01-10 04:06:27,762 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@223ff581 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 04:06:27, skipping insertion in model container [2022-01-10 04:06:27,762 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 04:06:27" (3/3) ... [2022-01-10 04:06:27,763 INFO L111 eAbstractionObserver]: Analyzing ICFG res2f.c [2022-01-10 04:06:27,767 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 04:06:27,767 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 04:06:27,797 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 04:06:27,802 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 04:06:27,802 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 04:06:27,813 INFO L276 IsEmpty]: Start isEmpty. Operand has 30 states, 28 states have (on average 1.5714285714285714) internal successors, (44), 29 states have internal predecessors, (44), 0 states have call successors, (0), 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 04:06:27,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-01-10 04:06:27,827 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:06:27,828 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 04:06:27,828 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:06:27,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:06:27,833 INFO L85 PathProgramCache]: Analyzing trace with hash 1780399656, now seen corresponding path program 1 times [2022-01-10 04:06:27,848 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:06:27,848 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [647042324] [2022-01-10 04:06:27,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:06:27,849 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:06:27,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:06:27,858 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 04:06:27,859 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-01-10 04:06:27,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:06:27,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 1 conjunts are in the unsatisfiable core [2022-01-10 04:06:27,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:06:28,005 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 04:06:28,006 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:06:28,007 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:06:28,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [647042324] [2022-01-10 04:06:28,008 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [647042324] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:06:28,008 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:06:28,008 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 04:06:28,011 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819331415] [2022-01-10 04:06:28,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:06:28,014 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-10 04:06:28,015 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:06:28,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-10 04:06:28,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 04:06:28,042 INFO L87 Difference]: Start difference. First operand has 30 states, 28 states have (on average 1.5714285714285714) internal successors, (44), 29 states have internal predecessors, (44), 0 states have call successors, (0), 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 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 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 04:06:28,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:06:28,057 INFO L93 Difference]: Finished difference Result 56 states and 82 transitions. [2022-01-10 04:06:28,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-10 04:06:28,059 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-01-10 04:06:28,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:06:28,064 INFO L225 Difference]: With dead ends: 56 [2022-01-10 04:06:28,064 INFO L226 Difference]: Without dead ends: 26 [2022-01-10 04:06:28,066 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 04:06:28,068 INFO L933 BasicCegarLoop]: 36 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 04:06:28,069 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 04:06:28,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2022-01-10 04:06:28,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2022-01-10 04:06:28,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 25 states have (on average 1.24) internal successors, (31), 25 states have internal predecessors, (31), 0 states have call successors, (0), 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 04:06:28,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 31 transitions. [2022-01-10 04:06:28,090 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 31 transitions. Word has length 19 [2022-01-10 04:06:28,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:06:28,090 INFO L470 AbstractCegarLoop]: Abstraction has 26 states and 31 transitions. [2022-01-10 04:06:28,091 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 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 04:06:28,091 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2022-01-10 04:06:28,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-01-10 04:06:28,091 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:06:28,091 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 04:06:28,101 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-01-10 04:06:28,301 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 04:06:28,301 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:06:28,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:06:28,304 INFO L85 PathProgramCache]: Analyzing trace with hash -1279549768, now seen corresponding path program 1 times [2022-01-10 04:06:28,304 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:06:28,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [726590392] [2022-01-10 04:06:28,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:06:28,305 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:06:28,305 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:06:28,309 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 04:06:28,310 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-01-10 04:06:28,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:06:28,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 6 conjunts are in the unsatisfiable core [2022-01-10 04:06:28,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:06:28,553 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 04:06:28,553 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:06:28,554 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:06:28,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [726590392] [2022-01-10 04:06:28,554 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [726590392] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:06:28,554 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:06:28,554 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 04:06:28,554 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380922611] [2022-01-10 04:06:28,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:06:28,555 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 04:06:28,555 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:06:28,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 04:06:28,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-01-10 04:06:28,556 INFO L87 Difference]: Start difference. First operand 26 states and 31 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 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 04:06:28,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:06:28,739 INFO L93 Difference]: Finished difference Result 57 states and 72 transitions. [2022-01-10 04:06:28,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 04:06:28,741 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-01-10 04:06:28,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:06:28,741 INFO L225 Difference]: With dead ends: 57 [2022-01-10 04:06:28,741 INFO L226 Difference]: Without dead ends: 38 [2022-01-10 04:06:28,742 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-01-10 04:06:28,743 INFO L933 BasicCegarLoop]: 10 mSDtfsCounter, 62 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 04:06:28,743 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [62 Valid, 12 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 04:06:28,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2022-01-10 04:06:28,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 32. [2022-01-10 04:06:28,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 31 states have (on average 1.1935483870967742) internal successors, (37), 31 states have internal predecessors, (37), 0 states have call successors, (0), 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 04:06:28,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 37 transitions. [2022-01-10 04:06:28,748 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 37 transitions. Word has length 19 [2022-01-10 04:06:28,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:06:28,748 INFO L470 AbstractCegarLoop]: Abstraction has 32 states and 37 transitions. [2022-01-10 04:06:28,748 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 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 04:06:28,748 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 37 transitions. [2022-01-10 04:06:28,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-01-10 04:06:28,749 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:06:28,749 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] [2022-01-10 04:06:28,771 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-01-10 04:06:28,957 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 04:06:28,957 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:06:28,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:06:28,962 INFO L85 PathProgramCache]: Analyzing trace with hash -1740145276, now seen corresponding path program 1 times [2022-01-10 04:06:28,963 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:06:28,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [502238679] [2022-01-10 04:06:28,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:06:28,963 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:06:28,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:06:28,964 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 04:06:28,966 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-01-10 04:06:29,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-10 04:06:29,138 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-10 04:06:29,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-10 04:06:29,283 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-01-10 04:06:29,284 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-10 04:06:29,284 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 04:06:29,296 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-01-10 04:06:29,486 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 04:06:29,488 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-01-10 04:06:29,491 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 04:06:29,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 04:06:29 BoogieIcfgContainer [2022-01-10 04:06:29,536 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 04:06:29,537 INFO L158 Benchmark]: Toolchain (without parser) took 2433.07ms. Allocated memory was 184.5MB in the beginning and 254.8MB in the end (delta: 70.3MB). Free memory was 127.8MB in the beginning and 150.6MB in the end (delta: -22.8MB). Peak memory consumption was 47.3MB. Max. memory is 8.0GB. [2022-01-10 04:06:29,537 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 184.5MB. Free memory is still 144.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 04:06:29,538 INFO L158 Benchmark]: CACSL2BoogieTranslator took 274.40ms. Allocated memory was 184.5MB in the beginning and 254.8MB in the end (delta: 70.3MB). Free memory was 127.5MB in the beginning and 225.6MB in the end (delta: -98.0MB). Peak memory consumption was 8.9MB. Max. memory is 8.0GB. [2022-01-10 04:06:29,538 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.87ms. Allocated memory is still 254.8MB. Free memory was 225.6MB in the beginning and 224.0MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-10 04:06:29,538 INFO L158 Benchmark]: Boogie Preprocessor took 35.68ms. Allocated memory is still 254.8MB. Free memory was 224.0MB in the beginning and 222.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 04:06:29,539 INFO L158 Benchmark]: RCFGBuilder took 296.71ms. Allocated memory is still 254.8MB. Free memory was 222.4MB in the beginning and 207.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2022-01-10 04:06:29,539 INFO L158 Benchmark]: TraceAbstraction took 1777.63ms. Allocated memory is still 254.8MB. Free memory was 207.2MB in the beginning and 150.6MB in the end (delta: 56.6MB). Peak memory consumption was 56.6MB. Max. memory is 8.0GB. [2022-01-10 04:06:29,541 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 184.5MB. Free memory is still 144.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 274.40ms. Allocated memory was 184.5MB in the beginning and 254.8MB in the end (delta: 70.3MB). Free memory was 127.5MB in the beginning and 225.6MB in the end (delta: -98.0MB). Peak memory consumption was 8.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 43.87ms. Allocated memory is still 254.8MB. Free memory was 225.6MB in the beginning and 224.0MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 35.68ms. Allocated memory is still 254.8MB. Free memory was 224.0MB in the beginning and 222.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 296.71ms. Allocated memory is still 254.8MB. Free memory was 222.4MB in the beginning and 207.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 1777.63ms. Allocated memory is still 254.8MB. Free memory was 207.2MB in the beginning and 150.6MB in the end (delta: 56.6MB). Peak memory consumption was 56.6MB. 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 - CounterExampleResult [Line: 15]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L19] int N; VAL [N=0] [L23] N = __VERIFIER_nondet_int() [L24] COND FALSE !(N <= 0) [L25] CALL assume_abort_if_not(N <= 2147483647/sizeof(int)) [L13] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, N=1] [L25] RET assume_abort_if_not(N <= 2147483647/sizeof(int)) [L27] int i; [L28] long long sum[1]; [L29] int *a = malloc(sizeof(int)*N); [L30] int *b = malloc(sizeof(int)*N); [L31] int *c = malloc(sizeof(int)*N); [L33] sum[0] = 1 [L34] i=0 VAL [a={6:0}, b={14:0}, c={7:0}, i=0, N=1, sum={26:0}] [L34] COND TRUE i