/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml -i ../sv-benchmarks/c/array-fpi/ms3f.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 19:55:37,747 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 19:55:37,748 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 19:55:37,787 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-04-01 19:55:37,809 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 19:55:37,811 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 19:55:37,813 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 19:55:37,816 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 19:55:37,816 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 19:55:37,817 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 19:55:37,819 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 19:55:37,824 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 19:55:37,825 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 19:55:37,826 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 19:55:37,827 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 19:55:37,828 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 19:55:37,832 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-04-01 19:55:37,835 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 19:55:37,836 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 19:55:37,837 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 19:55:37,837 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 19:55:37,838 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 19:55:37,838 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 19:55:37,839 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 19:55:37,839 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 19:55:37,839 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 19:55:37,839 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 19:55:37,840 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 19:55:37,841 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-04-01 19:55:37,875 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 19:55:37,875 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 19:55:37,876 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 19:55:37,876 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 19:55:37,877 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 19:55:37,877 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 19:55:37,878 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-01 19:55:37,878 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-01 19:55:37,878 INFO L138 SettingsManager]: * Use SBE=true [2023-04-01 19:55:37,878 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 19:55:37,879 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 19:55:37,879 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 19:55:37,879 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 19:55:37,879 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 19:55:37,879 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 19:55:37,879 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 19:55:37,880 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 19:55:37,880 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 19:55:37,880 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 19:55:37,880 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 19:55:37,880 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 19:55:37,880 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 19:55:37,880 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-01 19:55:37,880 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 19:55:37,881 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 19:55:37,881 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 19:55:37,881 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 19:55:37,881 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 19:55:37,881 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-01 19:55:37,881 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 19:55:37,882 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-01 19:55:37,882 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 19:55:37,882 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-01 19:55:37,882 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-01 19:55:37,882 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-01 19:55:37,882 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-01 19:55:38,101 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 19:55:38,119 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 19:55:38,121 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 19:55:38,122 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 19:55:38,122 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 19:55:38,123 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-fpi/ms3f.c [2023-04-01 19:55:39,323 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 19:55:39,493 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 19:55:39,493 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-fpi/ms3f.c [2023-04-01 19:55:39,500 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f73f1520a/694ac35f4a8b4688af18918c9c9a0e6b/FLAG7cb5b4a84 [2023-04-01 19:55:39,513 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f73f1520a/694ac35f4a8b4688af18918c9c9a0e6b [2023-04-01 19:55:39,515 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 19:55:39,517 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 19:55:39,519 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 19:55:39,520 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 19:55:39,522 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 19:55:39,523 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 07:55:39" (1/1) ... [2023-04-01 19:55:39,524 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47346356 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:55:39, skipping insertion in model container [2023-04-01 19:55:39,524 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 07:55:39" (1/1) ... [2023-04-01 19:55:39,530 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 19:55:39,545 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 19:55:39,646 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-fpi/ms3f.c[587,600] [2023-04-01 19:55:39,660 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 19:55:39,669 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 19:55:39,678 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-fpi/ms3f.c[587,600] [2023-04-01 19:55:39,683 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 19:55:39,694 INFO L208 MainTranslator]: Completed translation [2023-04-01 19:55:39,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:55:39 WrapperNode [2023-04-01 19:55:39,694 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 19:55:39,695 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 19:55:39,695 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 19:55:39,695 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 19:55:39,704 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:55:39" (1/1) ... [2023-04-01 19:55:39,705 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:55:39" (1/1) ... [2023-04-01 19:55:39,710 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:55:39" (1/1) ... [2023-04-01 19:55:39,710 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:55:39" (1/1) ... [2023-04-01 19:55:39,726 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:55:39" (1/1) ... [2023-04-01 19:55:39,729 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:55:39" (1/1) ... [2023-04-01 19:55:39,730 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:55:39" (1/1) ... [2023-04-01 19:55:39,730 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:55:39" (1/1) ... [2023-04-01 19:55:39,732 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 19:55:39,733 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 19:55:39,733 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 19:55:39,733 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 19:55:39,733 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:55:39" (1/1) ... [2023-04-01 19:55:39,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 19:55:39,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 19:55:39,764 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) [2023-04-01 19:55:39,766 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 [2023-04-01 19:55:39,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 19:55:39,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 19:55:39,799 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 19:55:39,799 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-04-01 19:55:39,799 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-04-01 19:55:39,799 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 19:55:39,799 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 19:55:39,800 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 19:55:39,800 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 19:55:39,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 19:55:39,803 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-04-01 19:55:39,803 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-04-01 19:55:39,803 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 19:55:39,803 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-01 19:55:39,803 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 19:55:39,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-01 19:55:39,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-01 19:55:39,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 19:55:39,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 19:55:39,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 19:55:39,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 19:55:39,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 19:55:39,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 19:55:39,860 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 19:55:39,862 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 19:55:39,976 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 19:55:39,981 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 19:55:39,981 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-04-01 19:55:39,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 07:55:39 BoogieIcfgContainer [2023-04-01 19:55:39,983 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 19:55:39,985 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 19:55:39,985 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 19:55:39,987 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 19:55:39,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 07:55:39" (1/3) ... [2023-04-01 19:55:39,988 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e3031e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 07:55:39, skipping insertion in model container [2023-04-01 19:55:39,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:55:39" (2/3) ... [2023-04-01 19:55:39,989 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e3031e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 07:55:39, skipping insertion in model container [2023-04-01 19:55:39,989 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 07:55:39" (3/3) ... [2023-04-01 19:55:39,990 INFO L112 eAbstractionObserver]: Analyzing ICFG ms3f.c [2023-04-01 19:55:40,003 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 19:55:40,004 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 19:55:40,045 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 19:55:40,052 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7916f25a, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-01 19:55:40,052 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 19:55:40,057 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 22 states have (on average 1.4090909090909092) internal successors, (31), 23 states have internal predecessors, (31), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-04-01 19:55:40,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-04-01 19:55:40,062 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 19:55:40,063 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 19:55:40,063 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 19:55:40,069 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 19:55:40,069 INFO L85 PathProgramCache]: Analyzing trace with hash 863653859, now seen corresponding path program 1 times [2023-04-01 19:55:40,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 19:55:40,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143648823] [2023-04-01 19:55:40,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 19:55:40,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 19:55:40,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 19:55:40,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 19:55:40,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 19:55:40,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-01 19:55:40,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 19:55:40,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 19:55:40,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 19:55:40,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143648823] [2023-04-01 19:55:40,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143648823] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 19:55:40,372 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 19:55:40,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 19:55:40,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641966092] [2023-04-01 19:55:40,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 19:55:40,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 19:55:40,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 19:55:40,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 19:55:40,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 19:55:40,431 INFO L87 Difference]: Start difference. First operand has 32 states, 22 states have (on average 1.4090909090909092) internal successors, (31), 23 states have internal predecessors, (31), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-04-01 19:55:40,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 19:55:40,558 INFO L93 Difference]: Finished difference Result 54 states and 67 transitions. [2023-04-01 19:55:40,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 19:55:40,560 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2023-04-01 19:55:40,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 19:55:40,565 INFO L225 Difference]: With dead ends: 54 [2023-04-01 19:55:40,565 INFO L226 Difference]: Without dead ends: 25 [2023-04-01 19:55:40,569 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 19:55:40,572 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 8 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 19:55:40,573 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 30 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 19:55:40,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2023-04-01 19:55:40,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2023-04-01 19:55:40,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 18 states have internal predecessors, (21), 4 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-04-01 19:55:40,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 27 transitions. [2023-04-01 19:55:40,602 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 27 transitions. Word has length 21 [2023-04-01 19:55:40,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 19:55:40,602 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 27 transitions. [2023-04-01 19:55:40,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-04-01 19:55:40,602 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2023-04-01 19:55:40,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-04-01 19:55:40,603 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 19:55:40,603 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 19:55:40,604 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 19:55:40,604 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 19:55:40,605 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 19:55:40,605 INFO L85 PathProgramCache]: Analyzing trace with hash 1121819297, now seen corresponding path program 1 times [2023-04-01 19:55:40,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 19:55:40,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501761134] [2023-04-01 19:55:40,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 19:55:40,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 19:55:40,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 19:55:40,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 19:55:40,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 19:55:40,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-01 19:55:40,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 19:55:40,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 19:55:40,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 19:55:40,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501761134] [2023-04-01 19:55:40,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [501761134] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 19:55:40,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 19:55:40,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-01 19:55:40,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637158710] [2023-04-01 19:55:40,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 19:55:40,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 19:55:40,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 19:55:40,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 19:55:40,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-04-01 19:55:40,765 INFO L87 Difference]: Start difference. First operand 25 states and 27 transitions. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-04-01 19:55:40,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 19:55:40,848 INFO L93 Difference]: Finished difference Result 40 states and 46 transitions. [2023-04-01 19:55:40,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-01 19:55:40,850 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 21 [2023-04-01 19:55:40,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 19:55:40,851 INFO L225 Difference]: With dead ends: 40 [2023-04-01 19:55:40,852 INFO L226 Difference]: Without dead ends: 30 [2023-04-01 19:55:40,856 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-04-01 19:55:40,858 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 32 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 19:55:40,859 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 18 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 19:55:40,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2023-04-01 19:55:40,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 28. [2023-04-01 19:55:40,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 21 states have internal predecessors, (24), 4 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-04-01 19:55:40,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 30 transitions. [2023-04-01 19:55:40,866 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 30 transitions. Word has length 21 [2023-04-01 19:55:40,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 19:55:40,866 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 30 transitions. [2023-04-01 19:55:40,867 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-04-01 19:55:40,867 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 30 transitions. [2023-04-01 19:55:40,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-04-01 19:55:40,867 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 19:55:40,867 INFO L195 NwaCegarLoop]: 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] [2023-04-01 19:55:40,868 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-01 19:55:40,868 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 19:55:40,872 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 19:55:40,872 INFO L85 PathProgramCache]: Analyzing trace with hash -667943349, now seen corresponding path program 1 times [2023-04-01 19:55:40,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 19:55:40,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922996755] [2023-04-01 19:55:40,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 19:55:40,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 19:55:40,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-04-01 19:55:40,934 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-04-01 19:55:40,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-04-01 19:55:41,010 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-04-01 19:55:41,010 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-04-01 19:55:41,011 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-01 19:55:41,013 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-01 19:55:41,016 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-04-01 19:55:41,020 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-01 19:55:41,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.04 07:55:41 BoogieIcfgContainer [2023-04-01 19:55:41,042 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-01 19:55:41,042 INFO L158 Benchmark]: Toolchain (without parser) took 1524.95ms. Allocated memory was 190.8MB in the beginning and 316.7MB in the end (delta: 125.8MB). Free memory was 139.8MB in the beginning and 245.2MB in the end (delta: -105.3MB). Peak memory consumption was 21.2MB. Max. memory is 8.0GB. [2023-04-01 19:55:41,043 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 190.8MB. Free memory is still 137.3MB. There was no memory consumed. Max. memory is 8.0GB. [2023-04-01 19:55:41,043 INFO L158 Benchmark]: CACSL2BoogieTranslator took 175.21ms. Allocated memory is still 190.8MB. Free memory was 139.8MB in the beginning and 129.0MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2023-04-01 19:55:41,043 INFO L158 Benchmark]: Boogie Preprocessor took 36.84ms. Allocated memory is still 190.8MB. Free memory was 129.0MB in the beginning and 127.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-04-01 19:55:41,044 INFO L158 Benchmark]: RCFGBuilder took 250.23ms. Allocated memory is still 190.8MB. Free memory was 127.6MB in the beginning and 115.4MB in the end (delta: 12.2MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-04-01 19:55:41,044 INFO L158 Benchmark]: TraceAbstraction took 1057.19ms. Allocated memory was 190.8MB in the beginning and 316.7MB in the end (delta: 125.8MB). Free memory was 114.7MB in the beginning and 245.2MB in the end (delta: -130.5MB). There was no memory consumed. Max. memory is 8.0GB. [2023-04-01 19:55:41,046 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 190.8MB. Free memory is still 137.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 175.21ms. Allocated memory is still 190.8MB. Free memory was 139.8MB in the beginning and 129.0MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 36.84ms. Allocated memory is still 190.8MB. Free memory was 129.0MB in the beginning and 127.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 250.23ms. Allocated memory is still 190.8MB. Free memory was 127.6MB in the beginning and 115.4MB in the end (delta: 12.2MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 1057.19ms. Allocated memory was 190.8MB in the beginning and 316.7MB in the end (delta: 125.8MB). Free memory was 114.7MB in the beginning and 245.2MB in the end (delta: -130.5MB). There was no memory consumed. 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, \old(N)=118] [L23] N = __VERIFIER_nondet_int() [L24] COND FALSE !(N <= 0) VAL [N=1, \old(N)=0] [L25] CALL assume_abort_if_not(N <= 2147483647/sizeof(int)) VAL [N=1, \old(N)=0, \old(cond)=1] [L13] COND FALSE !(!cond) VAL [N=1, \old(N)=0, \old(cond)=1, cond=1] [L25] RET assume_abort_if_not(N <= 2147483647/sizeof(int)) VAL [N=1, \old(N)=0] [L27] int i; [L28] long long sum[1]; [L29] int *a = malloc(sizeof(int)*N); [L31] i=0 VAL [N=1, \old(N)=0, a={-1:0}, i=0, sum={9:0}] [L31] COND TRUE i 2*N) VAL [N=1, \old(N)=0, \old(cond)=0] [L15] COND TRUE !(cond) VAL [N=1, \old(N)=0, \old(cond)=0, cond=0] [L15] reach_error() VAL [N=1, \old(N)=0, \old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 35 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 40 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 40 mSDsluCounter, 48 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 78 IncrementalHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 37 mSDtfsCounter, 78 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred in iteration=0, InterpolantAutomatonStates: 9, 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, 2 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 68 NumberOfCodeBlocks, 68 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 40 ConstructedInterpolants, 0 QuantifiedInterpolants, 68 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 RESULT: Ultimate proved your program to be incorrect! [2023-04-01 19:55:41,068 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...