/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/ss2f.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 04:09:03,997 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 04:09:04,000 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 04:09:04,059 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 04:09:04,059 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 04:09:04,073 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 04:09:04,074 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 04:09:04,075 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 04:09:04,076 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 04:09:04,077 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 04:09:04,078 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 04:09:04,079 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 04:09:04,081 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 04:09:04,085 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 04:09:04,086 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 04:09:04,096 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 04:09:04,097 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 04:09:04,099 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 04:09:04,103 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 04:09:04,111 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 04:09:04,113 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 04:09:04,114 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 04:09:04,115 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 04:09:04,116 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 04:09:04,120 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-10 04:09:04,128 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 04:09:04,129 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 04:09:04,129 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 04:09:04,132 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 04:09:04,168 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 04:09:04,168 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 04:09:04,169 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 04:09:04,169 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 04:09:04,170 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-10 04:09:04,170 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-10 04:09:04,170 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 04:09:04,171 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 04:09:04,171 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 04:09:04,171 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 04:09:04,172 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 04:09:04,172 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 04:09:04,172 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 04:09:04,172 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 04:09:04,172 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 04:09:04,172 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 04:09:04,173 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 04:09:04,173 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 04:09:04,173 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 04:09:04,173 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 04:09:04,173 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 04:09:04,173 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 04:09:04,173 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 04:09:04,173 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 04:09:04,174 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 04:09:04,175 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 04:09:04,175 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 04:09:04,175 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-01-10 04:09:04,175 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-01-10 04:09:04,175 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 04:09:04,175 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 04:09:04,175 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 04:09:04,176 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 04:09:04,176 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 04:09:04,403 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 04:09:04,429 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 04:09:04,431 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 04:09:04,432 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 04:09:04,432 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 04:09:04,433 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/ss2f.c [2022-01-10 04:09:04,490 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acea46c89/a2f13053331a4f2f8bea00e08f013057/FLAG278866007 [2022-01-10 04:09:04,887 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 04:09:04,887 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-fpi/ss2f.c [2022-01-10 04:09:04,897 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acea46c89/a2f13053331a4f2f8bea00e08f013057/FLAG278866007 [2022-01-10 04:09:05,284 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acea46c89/a2f13053331a4f2f8bea00e08f013057 [2022-01-10 04:09:05,289 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 04:09:05,291 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-10 04:09:05,292 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 04:09:05,292 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 04:09:05,295 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 04:09:05,296 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 04:09:05" (1/1) ... [2022-01-10 04:09:05,297 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6103c2ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:09:05, skipping insertion in model container [2022-01-10 04:09:05,297 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 04:09:05" (1/1) ... [2022-01-10 04:09:05,302 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 04:09:05,314 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 04:09:05,547 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/ss2f.c[587,600] [2022-01-10 04:09:05,601 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 04:09:05,616 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 04:09:05,634 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/ss2f.c[587,600] [2022-01-10 04:09:05,663 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 04:09:05,676 INFO L208 MainTranslator]: Completed translation [2022-01-10 04:09:05,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:09:05 WrapperNode [2022-01-10 04:09:05,677 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 04:09:05,678 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 04:09:05,678 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 04:09:05,678 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 04:09:05,685 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:09:05" (1/1) ... [2022-01-10 04:09:05,704 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:09:05" (1/1) ... [2022-01-10 04:09:05,733 INFO L137 Inliner]: procedures = 19, calls = 36, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 125 [2022-01-10 04:09:05,733 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 04:09:05,734 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 04:09:05,734 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 04:09:05,735 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 04:09:05,742 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:09:05" (1/1) ... [2022-01-10 04:09:05,743 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:09:05" (1/1) ... [2022-01-10 04:09:05,749 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:09:05" (1/1) ... [2022-01-10 04:09:05,750 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:09:05" (1/1) ... [2022-01-10 04:09:05,768 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:09:05" (1/1) ... [2022-01-10 04:09:05,772 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:09:05" (1/1) ... [2022-01-10 04:09:05,773 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:09:05" (1/1) ... [2022-01-10 04:09:05,777 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 04:09:05,778 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 04:09:05,778 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 04:09:05,779 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 04:09:05,780 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:09:05" (1/1) ... [2022-01-10 04:09:05,786 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 04:09:05,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 04:09:05,817 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 04:09:05,840 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 04:09:05,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 04:09:05,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 04:09:05,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-10 04:09:05,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-01-10 04:09:05,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-01-10 04:09:05,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 04:09:05,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 04:09:05,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-01-10 04:09:05,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-10 04:09:05,942 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 04:09:05,943 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 04:09:06,288 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 04:09:06,293 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 04:09:06,293 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2022-01-10 04:09:06,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 04:09:06 BoogieIcfgContainer [2022-01-10 04:09:06,295 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 04:09:06,296 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 04:09:06,297 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 04:09:06,300 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 04:09:06,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 04:09:05" (1/3) ... [2022-01-10 04:09:06,301 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12ca6d5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 04:09:06, skipping insertion in model container [2022-01-10 04:09:06,301 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:09:05" (2/3) ... [2022-01-10 04:09:06,301 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12ca6d5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 04:09:06, skipping insertion in model container [2022-01-10 04:09:06,301 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 04:09:06" (3/3) ... [2022-01-10 04:09:06,303 INFO L111 eAbstractionObserver]: Analyzing ICFG ss2f.c [2022-01-10 04:09:06,308 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 04:09:06,308 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 04:09:06,350 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 04:09:06,356 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 04:09:06,357 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 04:09:06,369 INFO L276 IsEmpty]: Start isEmpty. Operand has 33 states, 31 states have (on average 1.5806451612903225) internal successors, (49), 32 states have internal predecessors, (49), 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 04:09:06,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-01-10 04:09:06,373 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:09:06,374 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] [2022-01-10 04:09:06,374 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:09:06,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:09:06,379 INFO L85 PathProgramCache]: Analyzing trace with hash -642180410, now seen corresponding path program 1 times [2022-01-10 04:09:06,389 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:09:06,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [446994236] [2022-01-10 04:09:06,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:09:06,390 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:09:06,390 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:09:06,395 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 04:09:06,396 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 04:09:06,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:09:06,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 1 conjunts are in the unsatisfiable core [2022-01-10 04:09:06,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:09:06,552 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 04:09:06,552 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:09:06,553 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:09:06,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [446994236] [2022-01-10 04:09:06,554 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [446994236] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:09:06,554 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:09:06,554 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 04:09:06,556 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759868969] [2022-01-10 04:09:06,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:09:06,559 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-10 04:09:06,560 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:09:06,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-10 04:09:06,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 04:09:06,585 INFO L87 Difference]: Start difference. First operand has 33 states, 31 states have (on average 1.5806451612903225) internal successors, (49), 32 states have internal predecessors, (49), 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 10.0) internal successors, (20), 2 states have internal predecessors, (20), 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 04:09:06,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:09:06,598 INFO L93 Difference]: Finished difference Result 62 states and 92 transitions. [2022-01-10 04:09:06,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-10 04:09:06,600 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 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 20 [2022-01-10 04:09:06,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:09:06,606 INFO L225 Difference]: With dead ends: 62 [2022-01-10 04:09:06,607 INFO L226 Difference]: Without dead ends: 29 [2022-01-10 04:09:06,609 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 19 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 04:09:06,612 INFO L933 BasicCegarLoop]: 40 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, 40 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 04:09:06,613 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 04:09:06,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2022-01-10 04:09:06,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2022-01-10 04:09:06,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 28 states have (on average 1.25) internal successors, (35), 28 states have internal predecessors, (35), 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 04:09:06,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 35 transitions. [2022-01-10 04:09:06,639 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 35 transitions. Word has length 20 [2022-01-10 04:09:06,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:09:06,640 INFO L470 AbstractCegarLoop]: Abstraction has 29 states and 35 transitions. [2022-01-10 04:09:06,640 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 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 04:09:06,640 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 35 transitions. [2022-01-10 04:09:06,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-01-10 04:09:06,641 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:09:06,641 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] [2022-01-10 04:09:06,651 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 04:09:06,850 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 04:09:06,851 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:09:06,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:09:06,852 INFO L85 PathProgramCache]: Analyzing trace with hash -1011332042, now seen corresponding path program 1 times [2022-01-10 04:09:06,853 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:09:06,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1374176971] [2022-01-10 04:09:06,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:09:06,853 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:09:06,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:09:06,855 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 04:09:06,856 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 04:09:06,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:09:06,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 6 conjunts are in the unsatisfiable core [2022-01-10 04:09:06,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:09:07,266 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 04:09:07,267 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:09:07,267 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:09:07,267 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1374176971] [2022-01-10 04:09:07,267 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1374176971] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:09:07,267 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:09:07,268 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 04:09:07,268 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754116014] [2022-01-10 04:09:07,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:09:07,269 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 04:09:07,269 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:09:07,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 04:09:07,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-01-10 04:09:07,271 INFO L87 Difference]: Start difference. First operand 29 states and 35 transitions. Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 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 04:09:07,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:09:07,613 INFO L93 Difference]: Finished difference Result 69 states and 86 transitions. [2022-01-10 04:09:07,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 04:09:07,617 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 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 20 [2022-01-10 04:09:07,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:09:07,618 INFO L225 Difference]: With dead ends: 69 [2022-01-10 04:09:07,618 INFO L226 Difference]: Without dead ends: 47 [2022-01-10 04:09:07,618 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 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 04:09:07,620 INFO L933 BasicCegarLoop]: 13 mSDtfsCounter, 96 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-10 04:09:07,620 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [96 Valid, 17 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-10 04:09:07,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2022-01-10 04:09:07,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 35. [2022-01-10 04:09:07,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 34 states have (on average 1.2058823529411764) internal successors, (41), 34 states have internal predecessors, (41), 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 04:09:07,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 41 transitions. [2022-01-10 04:09:07,628 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 41 transitions. Word has length 20 [2022-01-10 04:09:07,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:09:07,628 INFO L470 AbstractCegarLoop]: Abstraction has 35 states and 41 transitions. [2022-01-10 04:09:07,628 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 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 04:09:07,629 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 41 transitions. [2022-01-10 04:09:07,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-01-10 04:09:07,629 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:09:07,630 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 04:09:07,643 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 04:09:07,843 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 04:09:07,844 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:09:07,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:09:07,844 INFO L85 PathProgramCache]: Analyzing trace with hash 1890076394, now seen corresponding path program 1 times [2022-01-10 04:09:07,845 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:09:07,845 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [301200360] [2022-01-10 04:09:07,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:09:07,846 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:09:07,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:09:07,847 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 04:09:07,849 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 04:09:08,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-10 04:09:08,084 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-10 04:09:08,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-10 04:09:08,330 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-01-10 04:09:08,330 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-10 04:09:08,331 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 04:09:08,346 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 04:09:08,533 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 04:09:08,536 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-01-10 04:09:08,539 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 04:09:08,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 04:09:08 BoogieIcfgContainer [2022-01-10 04:09:08,595 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 04:09:08,596 INFO L158 Benchmark]: Toolchain (without parser) took 3304.91ms. Allocated memory was 169.9MB in the beginning and 249.6MB in the end (delta: 79.7MB). Free memory was 113.5MB in the beginning and 144.3MB in the end (delta: -30.9MB). Peak memory consumption was 48.9MB. Max. memory is 8.0GB. [2022-01-10 04:09:08,596 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 169.9MB. Free memory is still 129.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 04:09:08,599 INFO L158 Benchmark]: CACSL2BoogieTranslator took 385.23ms. Allocated memory was 169.9MB in the beginning and 249.6MB in the end (delta: 79.7MB). Free memory was 113.3MB in the beginning and 221.3MB in the end (delta: -108.0MB). Peak memory consumption was 9.5MB. Max. memory is 8.0GB. [2022-01-10 04:09:08,600 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.47ms. Allocated memory is still 249.6MB. Free memory was 221.3MB in the beginning and 219.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 04:09:08,600 INFO L158 Benchmark]: Boogie Preprocessor took 42.54ms. Allocated memory is still 249.6MB. Free memory was 219.3MB in the beginning and 217.7MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-10 04:09:08,600 INFO L158 Benchmark]: RCFGBuilder took 516.90ms. Allocated memory is still 249.6MB. Free memory was 217.7MB in the beginning and 203.3MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2022-01-10 04:09:08,601 INFO L158 Benchmark]: TraceAbstraction took 2298.73ms. Allocated memory is still 249.6MB. Free memory was 202.5MB in the beginning and 144.3MB in the end (delta: 58.2MB). Peak memory consumption was 57.7MB. Max. memory is 8.0GB. [2022-01-10 04:09:08,607 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 169.9MB. Free memory is still 129.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 385.23ms. Allocated memory was 169.9MB in the beginning and 249.6MB in the end (delta: 79.7MB). Free memory was 113.3MB in the beginning and 221.3MB in the end (delta: -108.0MB). Peak memory consumption was 9.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 55.47ms. Allocated memory is still 249.6MB. Free memory was 221.3MB in the beginning and 219.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 42.54ms. Allocated memory is still 249.6MB. Free memory was 219.3MB in the beginning and 217.7MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 516.90ms. Allocated memory is still 249.6MB. Free memory was 217.7MB in the beginning and 203.3MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 2298.73ms. Allocated memory is still 249.6MB. Free memory was 202.5MB in the beginning and 144.3MB in the end (delta: 58.2MB). Peak memory consumption was 57.7MB. 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] long long *a = malloc(sizeof(long long)*N); [L31] sum[0] = 0 [L32] i=0 VAL [a={5:0}, i=0, N=1, sum={9:0}] [L32] COND TRUE i