/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/psyco/psyco_math_1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 05:49:01,564 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 05:49:01,567 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 05:49:01,632 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 05:49:01,632 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 05:49:01,634 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 05:49:01,637 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 05:49:01,639 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 05:49:01,641 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 05:49:01,648 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 05:49:01,648 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 05:49:01,649 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 05:49:01,649 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 05:49:01,650 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 05:49:01,651 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 05:49:01,654 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 05:49:01,655 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 05:49:01,655 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 05:49:01,656 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 05:49:01,657 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 05:49:01,658 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 05:49:01,659 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 05:49:01,660 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 05:49:01,661 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 05:49:01,668 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-10 05:49:01,668 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-10 05:49:01,668 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-10 05:49:01,669 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-10 05:49:01,669 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-10 05:49:01,670 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-10 05:49:01,670 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 05:49:01,670 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 05:49:01,671 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 05:49:01,671 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 05:49:01,671 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 05:49:01,672 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 05:49:01,672 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 05:49:01,672 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 05:49:01,672 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 05:49:01,673 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 05:49:01,673 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 05:49:01,677 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 05:49:01,704 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 05:49:01,704 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 05:49:01,705 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 05:49:01,705 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 05:49:01,705 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-10 05:49:01,705 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-10 05:49:01,706 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 05:49:01,706 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 05:49:01,706 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 05:49:01,706 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 05:49:01,706 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 05:49:01,706 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 05:49:01,706 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 05:49:01,706 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 05:49:01,706 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 05:49:01,706 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 05:49:01,707 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 05:49:01,707 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 05:49:01,707 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 05:49:01,707 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 05:49:01,707 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 05:49:01,707 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 05:49:01,707 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 05:49:01,707 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 05:49:01,707 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 05:49:01,707 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 05:49:01,707 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 05:49:01,708 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-01-10 05:49:01,708 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-01-10 05:49:01,708 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 05:49:01,708 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 05:49:01,708 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 05:49:01,708 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 05:49:01,708 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 05:49:01,901 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 05:49:01,916 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 05:49:01,918 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 05:49:01,919 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 05:49:01,920 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 05:49:01,921 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/psyco/psyco_math_1.c [2022-01-10 05:49:01,977 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44a25f36a/2e6f6757e3fa40928c834e250e451258/FLAGab40923f5 [2022-01-10 05:49:02,307 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 05:49:02,307 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/psyco/psyco_math_1.c [2022-01-10 05:49:02,314 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44a25f36a/2e6f6757e3fa40928c834e250e451258/FLAGab40923f5 [2022-01-10 05:49:02,718 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44a25f36a/2e6f6757e3fa40928c834e250e451258 [2022-01-10 05:49:02,720 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 05:49:02,721 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-10 05:49:02,722 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 05:49:02,722 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 05:49:02,724 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 05:49:02,724 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 05:49:02" (1/1) ... [2022-01-10 05:49:02,725 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59770740 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:49:02, skipping insertion in model container [2022-01-10 05:49:02,725 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 05:49:02" (1/1) ... [2022-01-10 05:49:02,729 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 05:49:02,748 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 05:49:02,880 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/psyco/psyco_math_1.c[11705,11718] [2022-01-10 05:49:02,882 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 05:49:02,889 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 05:49:02,939 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/psyco/psyco_math_1.c[11705,11718] [2022-01-10 05:49:02,940 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 05:49:02,949 INFO L208 MainTranslator]: Completed translation [2022-01-10 05:49:02,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:49:02 WrapperNode [2022-01-10 05:49:02,950 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 05:49:02,950 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 05:49:02,950 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 05:49:02,951 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 05:49:02,955 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:49:02" (1/1) ... [2022-01-10 05:49:02,961 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:49:02" (1/1) ... [2022-01-10 05:49:02,976 INFO L137 Inliner]: procedures = 12, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 251 [2022-01-10 05:49:02,979 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 05:49:02,979 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 05:49:02,980 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 05:49:02,980 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 05:49:02,988 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:49:02" (1/1) ... [2022-01-10 05:49:02,988 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:49:02" (1/1) ... [2022-01-10 05:49:02,994 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:49:02" (1/1) ... [2022-01-10 05:49:02,994 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:49:02" (1/1) ... [2022-01-10 05:49:02,998 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:49:02" (1/1) ... [2022-01-10 05:49:03,017 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:49:02" (1/1) ... [2022-01-10 05:49:03,023 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:49:02" (1/1) ... [2022-01-10 05:49:03,025 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 05:49:03,025 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 05:49:03,025 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 05:49:03,026 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 05:49:03,026 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:49:02" (1/1) ... [2022-01-10 05:49:03,039 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 05:49:03,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 05:49:03,064 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 05:49:03,084 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 05:49:03,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 05:49:03,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 05:49:03,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 05:49:03,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 05:49:03,172 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 05:49:03,174 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 05:49:03,360 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 05:49:03,365 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 05:49:03,365 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2022-01-10 05:49:03,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 05:49:03 BoogieIcfgContainer [2022-01-10 05:49:03,367 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 05:49:03,368 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 05:49:03,368 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 05:49:03,370 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 05:49:03,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 05:49:02" (1/3) ... [2022-01-10 05:49:03,371 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79fa88e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 05:49:03, skipping insertion in model container [2022-01-10 05:49:03,371 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:49:02" (2/3) ... [2022-01-10 05:49:03,371 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79fa88e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 05:49:03, skipping insertion in model container [2022-01-10 05:49:03,371 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 05:49:03" (3/3) ... [2022-01-10 05:49:03,372 INFO L111 eAbstractionObserver]: Analyzing ICFG psyco_math_1.c [2022-01-10 05:49:03,375 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 05:49:03,375 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 05:49:03,404 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 05:49:03,408 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 05:49:03,408 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 05:49:03,418 INFO L276 IsEmpty]: Start isEmpty. Operand has 70 states, 68 states have (on average 1.9264705882352942) internal successors, (131), 69 states have internal predecessors, (131), 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 05:49:03,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-01-10 05:49:03,421 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 05:49:03,421 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 05:49:03,422 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 05:49:03,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 05:49:03,425 INFO L85 PathProgramCache]: Analyzing trace with hash 352571322, now seen corresponding path program 1 times [2022-01-10 05:49:03,433 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 05:49:03,433 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [640319981] [2022-01-10 05:49:03,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 05:49:03,434 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 05:49:03,434 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 05:49:03,436 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 05:49:03,438 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 05:49:03,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 05:49:03,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 1 conjunts are in the unsatisfiable core [2022-01-10 05:49:03,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 05:49:03,551 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 05:49:03,551 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 05:49:03,552 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 05:49:03,552 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [640319981] [2022-01-10 05:49:03,552 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [640319981] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 05:49:03,552 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 05:49:03,552 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 05:49:03,554 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766509052] [2022-01-10 05:49:03,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 05:49:03,557 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-10 05:49:03,557 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 05:49:03,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-10 05:49:03,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 05:49:03,580 INFO L87 Difference]: Start difference. First operand has 70 states, 68 states have (on average 1.9264705882352942) internal successors, (131), 69 states have internal predecessors, (131), 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 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 05:49:03,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 05:49:03,594 INFO L93 Difference]: Finished difference Result 132 states and 250 transitions. [2022-01-10 05:49:03,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-10 05:49:03,596 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 9 [2022-01-10 05:49:03,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 05:49:03,600 INFO L225 Difference]: With dead ends: 132 [2022-01-10 05:49:03,600 INFO L226 Difference]: Without dead ends: 0 [2022-01-10 05:49:03,603 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 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 05:49:03,605 INFO L933 BasicCegarLoop]: 92 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, 92 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 05:49:03,606 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 05:49:03,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-10 05:49:03,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-10 05:49:03,621 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 05:49:03,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-10 05:49:03,622 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 9 [2022-01-10 05:49:03,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 05:49:03,622 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-10 05:49:03,623 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 05:49:03,623 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-10 05:49:03,623 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-10 05:49:03,624 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 05:49:03,632 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-01-10 05:49:03,828 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 05:49:03,831 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-10 05:49:03,840 INFO L858 garLoopResultBuilder]: For program point L217(lines 217 227) no Hoare annotation was computed. [2022-01-10 05:49:03,840 INFO L858 garLoopResultBuilder]: For program point L184(lines 184 198) no Hoare annotation was computed. [2022-01-10 05:49:03,841 INFO L858 garLoopResultBuilder]: For program point L52(lines 52 66) no Hoare annotation was computed. [2022-01-10 05:49:03,841 INFO L858 garLoopResultBuilder]: For program point L267(lines 267 269) no Hoare annotation was computed. [2022-01-10 05:49:03,841 INFO L858 garLoopResultBuilder]: For program point L201(lines 201 212) no Hoare annotation was computed. [2022-01-10 05:49:03,841 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-10 05:49:03,841 INFO L858 garLoopResultBuilder]: For program point L251(lines 251 253) no Hoare annotation was computed. [2022-01-10 05:49:03,841 INFO L858 garLoopResultBuilder]: For program point L119(lines 119 134) no Hoare annotation was computed. [2022-01-10 05:49:03,841 INFO L861 garLoopResultBuilder]: At program point L20(lines 20 363) the Hoare annotation is: true [2022-01-10 05:49:03,841 INFO L858 garLoopResultBuilder]: For program point L169(lines 169 183) no Hoare annotation was computed. [2022-01-10 05:49:03,841 INFO L858 garLoopResultBuilder]: For program point L103(lines 103 118) no Hoare annotation was computed. [2022-01-10 05:49:03,842 INFO L858 garLoopResultBuilder]: For program point L70(lines 70 137) no Hoare annotation was computed. [2022-01-10 05:49:03,842 INFO L858 garLoopResultBuilder]: For program point L186(lines 186 196) no Hoare annotation was computed. [2022-01-10 05:49:03,842 INFO L858 garLoopResultBuilder]: For program point L87(lines 87 102) no Hoare annotation was computed. [2022-01-10 05:49:03,842 INFO L858 garLoopResultBuilder]: For program point L54(lines 54 64) no Hoare annotation was computed. [2022-01-10 05:49:03,842 INFO L858 garLoopResultBuilder]: For program point L236(lines 236 238) no Hoare annotation was computed. [2022-01-10 05:49:03,842 INFO L858 garLoopResultBuilder]: For program point L71(lines 71 86) no Hoare annotation was computed. [2022-01-10 05:49:03,842 INFO L858 garLoopResultBuilder]: For program point L154(lines 154 168) no Hoare annotation was computed. [2022-01-10 05:49:03,842 INFO L858 garLoopResultBuilder]: For program point L121(lines 121 132) no Hoare annotation was computed. [2022-01-10 05:49:03,842 INFO L858 garLoopResultBuilder]: For program point L171(lines 171 181) no Hoare annotation was computed. [2022-01-10 05:49:03,842 INFO L858 garLoopResultBuilder]: For program point L138(lines 138 355) no Hoare annotation was computed. [2022-01-10 05:49:03,842 INFO L858 garLoopResultBuilder]: For program point L105(lines 105 116) no Hoare annotation was computed. [2022-01-10 05:49:03,843 INFO L858 garLoopResultBuilder]: For program point L221(lines 221 223) no Hoare annotation was computed. [2022-01-10 05:49:03,843 INFO L858 garLoopResultBuilder]: For program point L89(lines 89 100) no Hoare annotation was computed. [2022-01-10 05:49:03,843 INFO L858 garLoopResultBuilder]: For program point L205(lines 205 207) no Hoare annotation was computed. [2022-01-10 05:49:03,843 INFO L858 garLoopResultBuilder]: For program point L139(lines 139 153) no Hoare annotation was computed. [2022-01-10 05:49:03,843 INFO L858 garLoopResultBuilder]: For program point L73(lines 73 84) no Hoare annotation was computed. [2022-01-10 05:49:03,843 INFO L861 garLoopResultBuilder]: At program point L354(lines 28 358) the Hoare annotation is: true [2022-01-10 05:49:03,843 INFO L858 garLoopResultBuilder]: For program point L156(lines 156 166) no Hoare annotation was computed. [2022-01-10 05:49:03,843 INFO L858 garLoopResultBuilder]: For program point L338(lines 338 352) no Hoare annotation was computed. [2022-01-10 05:49:03,843 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-10 05:49:03,844 INFO L858 garLoopResultBuilder]: For program point L190(lines 190 192) no Hoare annotation was computed. [2022-01-10 05:49:03,844 INFO L858 garLoopResultBuilder]: For program point L58(lines 58 60) no Hoare annotation was computed. [2022-01-10 05:49:03,844 INFO L858 garLoopResultBuilder]: For program point L141(lines 141 151) no Hoare annotation was computed. [2022-01-10 05:49:03,844 INFO L858 garLoopResultBuilder]: For program point L323(lines 323 337) no Hoare annotation was computed. [2022-01-10 05:49:03,844 INFO L858 garLoopResultBuilder]: For program point L125(lines 125 127) no Hoare annotation was computed. [2022-01-10 05:49:03,844 INFO L858 garLoopResultBuilder]: For program point L340(lines 340 350) no Hoare annotation was computed. [2022-01-10 05:49:03,844 INFO L858 garLoopResultBuilder]: For program point L307(lines 307 322) no Hoare annotation was computed. [2022-01-10 05:49:03,844 INFO L858 garLoopResultBuilder]: For program point L175(lines 175 177) no Hoare annotation was computed. [2022-01-10 05:49:03,844 INFO L858 garLoopResultBuilder]: For program point L109(lines 109 111) no Hoare annotation was computed. [2022-01-10 05:49:03,844 INFO L858 garLoopResultBuilder]: For program point L291(lines 291 306) no Hoare annotation was computed. [2022-01-10 05:49:03,844 INFO L858 garLoopResultBuilder]: For program point L93(lines 93 95) no Hoare annotation was computed. [2022-01-10 05:49:03,845 INFO L858 garLoopResultBuilder]: For program point L77(lines 77 79) no Hoare annotation was computed. [2022-01-10 05:49:03,845 INFO L858 garLoopResultBuilder]: For program point L325(lines 325 335) no Hoare annotation was computed. [2022-01-10 05:49:03,845 INFO L858 garLoopResultBuilder]: For program point L160(lines 160 162) no Hoare annotation was computed. [2022-01-10 05:49:03,845 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-10 05:49:03,845 INFO L861 garLoopResultBuilder]: At program point L28-2(lines 28 358) the Hoare annotation is: true [2022-01-10 05:49:03,845 INFO L858 garLoopResultBuilder]: For program point L28-3(lines 28 358) no Hoare annotation was computed. [2022-01-10 05:49:03,845 INFO L858 garLoopResultBuilder]: For program point L309(lines 309 320) no Hoare annotation was computed. [2022-01-10 05:49:03,845 INFO L858 garLoopResultBuilder]: For program point L276(lines 276 290) no Hoare annotation was computed. [2022-01-10 05:49:03,845 INFO L858 garLoopResultBuilder]: For program point L293(lines 293 304) no Hoare annotation was computed. [2022-01-10 05:49:03,845 INFO L858 garLoopResultBuilder]: For program point L145(lines 145 147) no Hoare annotation was computed. [2022-01-10 05:49:03,845 INFO L858 garLoopResultBuilder]: For program point L261(lines 261 275) no Hoare annotation was computed. [2022-01-10 05:49:03,846 INFO L858 garLoopResultBuilder]: For program point L344(lines 344 346) no Hoare annotation was computed. [2022-01-10 05:49:03,846 INFO L858 garLoopResultBuilder]: For program point L278(lines 278 288) no Hoare annotation was computed. [2022-01-10 05:49:03,846 INFO L858 garLoopResultBuilder]: For program point L245(lines 245 260) no Hoare annotation was computed. [2022-01-10 05:49:03,846 INFO L854 garLoopResultBuilder]: At program point L345(lines 20 363) the Hoare annotation is: false [2022-01-10 05:49:03,846 INFO L858 garLoopResultBuilder]: For program point L329(lines 329 331) no Hoare annotation was computed. [2022-01-10 05:49:03,846 INFO L858 garLoopResultBuilder]: For program point L263(lines 263 273) no Hoare annotation was computed. [2022-01-10 05:49:03,846 INFO L858 garLoopResultBuilder]: For program point L230(lines 230 244) no Hoare annotation was computed. [2022-01-10 05:49:03,846 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-10 05:49:03,846 INFO L858 garLoopResultBuilder]: For program point L313(lines 313 315) no Hoare annotation was computed. [2022-01-10 05:49:03,847 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 362) no Hoare annotation was computed. [2022-01-10 05:49:03,847 INFO L858 garLoopResultBuilder]: For program point L247(lines 247 258) no Hoare annotation was computed. [2022-01-10 05:49:03,847 INFO L858 garLoopResultBuilder]: For program point L297(lines 297 299) no Hoare annotation was computed. [2022-01-10 05:49:03,847 INFO L858 garLoopResultBuilder]: For program point L215(lines 215 229) no Hoare annotation was computed. [2022-01-10 05:49:03,847 INFO L858 garLoopResultBuilder]: For program point L232(lines 232 242) no Hoare annotation was computed. [2022-01-10 05:49:03,847 INFO L858 garLoopResultBuilder]: For program point L199(lines 199 214) no Hoare annotation was computed. [2022-01-10 05:49:03,847 INFO L858 garLoopResultBuilder]: For program point L282(lines 282 284) no Hoare annotation was computed. [2022-01-10 05:49:03,847 INFO L858 garLoopResultBuilder]: For program point L51(lines 51 69) no Hoare annotation was computed. [2022-01-10 05:49:03,851 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2022-01-10 05:49:03,852 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 05:49:03,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 05:49:03 BoogieIcfgContainer [2022-01-10 05:49:03,867 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 05:49:03,868 INFO L158 Benchmark]: Toolchain (without parser) took 1146.45ms. Allocated memory was 179.3MB in the beginning and 225.4MB in the end (delta: 46.1MB). Free memory was 123.1MB in the beginning and 151.9MB in the end (delta: -28.8MB). Peak memory consumption was 16.6MB. Max. memory is 8.0GB. [2022-01-10 05:49:03,868 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 179.3MB. Free memory is still 139.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 05:49:03,870 INFO L158 Benchmark]: CACSL2BoogieTranslator took 228.02ms. Allocated memory was 179.3MB in the beginning and 225.4MB in the end (delta: 46.1MB). Free memory was 122.9MB in the beginning and 198.6MB in the end (delta: -75.7MB). Peak memory consumption was 15.9MB. Max. memory is 8.0GB. [2022-01-10 05:49:03,872 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.61ms. Allocated memory is still 225.4MB. Free memory was 198.6MB in the beginning and 196.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 05:49:03,872 INFO L158 Benchmark]: Boogie Preprocessor took 45.37ms. Allocated memory is still 225.4MB. Free memory was 196.5MB in the beginning and 194.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 05:49:03,872 INFO L158 Benchmark]: RCFGBuilder took 341.45ms. Allocated memory is still 225.4MB. Free memory was 194.4MB in the beginning and 178.1MB in the end (delta: 16.3MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2022-01-10 05:49:03,873 INFO L158 Benchmark]: TraceAbstraction took 499.10ms. Allocated memory is still 225.4MB. Free memory was 178.1MB in the beginning and 151.9MB in the end (delta: 26.2MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. [2022-01-10 05:49:03,874 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 179.3MB. Free memory is still 139.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 228.02ms. Allocated memory was 179.3MB in the beginning and 225.4MB in the end (delta: 46.1MB). Free memory was 122.9MB in the beginning and 198.6MB in the end (delta: -75.7MB). Peak memory consumption was 15.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 28.61ms. Allocated memory is still 225.4MB. Free memory was 198.6MB in the beginning and 196.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 45.37ms. Allocated memory is still 225.4MB. Free memory was 196.5MB in the beginning and 194.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 341.45ms. Allocated memory is still 225.4MB. Free memory was 194.4MB in the beginning and 178.1MB in the end (delta: 16.3MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * TraceAbstraction took 499.10ms. Allocated memory is still 225.4MB. Free memory was 178.1MB in the beginning and 151.9MB in the end (delta: 26.2MB). Peak memory consumption was 26.2MB. 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: 362]: 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, 70 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 92 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 92 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=70occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 7 NumberOfFragments, 4 HoareAnnotationTreeSize, 4 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 0 NumberOfNonLiveVariables, 49 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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: 20]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-01-10 05:49:03,906 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...