/usr/bin/java -ea -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/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loops/terminator_02-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-fb4f59a-m [2022-04-27 10:20:12,028 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-27 10:20:12,029 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-27 10:20:12,056 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-04-27 10:20:12,069 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-27 10:20:12,070 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-27 10:20:12,070 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-27 10:20:12,071 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-27 10:20:12,072 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-27 10:20:12,073 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-27 10:20:12,074 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-27 10:20:12,085 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-27 10:20:12,093 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-27 10:20:12,094 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-27 10:20:12,094 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-27 10:20:12,095 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-27 10:20:12,096 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-27 10:20:12,098 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-27 10:20:12,099 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-27 10:20:12,099 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-27 10:20:12,099 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-27 10:20:12,100 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-27 10:20:12,100 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-27 10:20:12,101 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-27 10:20:12,101 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-27 10:20:12,102 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-27 10:20:12,102 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-27 10:20:12,103 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-27 10:20:12,103 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-27 10:20:12,104 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-27 10:20:12,104 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-27 10:20:12,104 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-27 10:20:12,105 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-27 10:20:12,106 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-27 10:20:12,107 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 [2022-04-27 10:20:12,131 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-27 10:20:12,131 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-27 10:20:12,131 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-27 10:20:12,131 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-27 10:20:12,132 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-27 10:20:12,132 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-27 10:20:12,133 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-04-27 10:20:12,133 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-04-27 10:20:12,133 INFO L138 SettingsManager]: * Use SBE=true [2022-04-27 10:20:12,134 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-27 10:20:12,134 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-27 10:20:12,134 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-27 10:20:12,134 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-27 10:20:12,134 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-27 10:20:12,134 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-27 10:20:12,134 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-27 10:20:12,135 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-27 10:20:12,136 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-27 10:20:12,136 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-27 10:20:12,136 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-27 10:20:12,136 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-27 10:20:12,136 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-27 10:20:12,136 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-27 10:20:12,136 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-27 10:20:12,137 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-27 10:20:12,137 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-27 10:20:12,137 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-27 10:20:12,137 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-27 10:20:12,137 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-27 10:20:12,137 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-27 10:20:12,138 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-04-27 10:20:12,138 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-04-27 10:20:12,138 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-27 10:20:12,138 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-27 10:20:12,319 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-27 10:20:12,339 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-27 10:20:12,342 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-27 10:20:12,343 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-27 10:20:12,343 INFO L275 PluginConnector]: CDTParser initialized [2022-04-27 10:20:12,344 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/terminator_02-1.c [2022-04-27 10:20:12,403 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a72e03278/9d222209806a4f9bbbf1bde331897de1/FLAG64e1701be [2022-04-27 10:20:12,788 INFO L306 CDTParser]: Found 1 translation units. [2022-04-27 10:20:12,789 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/terminator_02-1.c [2022-04-27 10:20:12,792 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a72e03278/9d222209806a4f9bbbf1bde331897de1/FLAG64e1701be [2022-04-27 10:20:12,802 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a72e03278/9d222209806a4f9bbbf1bde331897de1 [2022-04-27 10:20:12,804 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-27 10:20:12,805 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-04-27 10:20:12,806 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-27 10:20:12,806 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-27 10:20:12,811 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-27 10:20:12,812 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.04 10:20:12" (1/1) ... [2022-04-27 10:20:12,813 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a3ab94b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 10:20:12, skipping insertion in model container [2022-04-27 10:20:12,814 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.04 10:20:12" (1/1) ... [2022-04-27 10:20:12,819 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-27 10:20:12,830 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-27 10:20:12,963 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops/terminator_02-1.c[327,340] [2022-04-27 10:20:12,972 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-27 10:20:12,979 INFO L203 MainTranslator]: Completed pre-run [2022-04-27 10:20:12,989 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops/terminator_02-1.c[327,340] [2022-04-27 10:20:12,992 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-27 10:20:13,002 INFO L208 MainTranslator]: Completed translation [2022-04-27 10:20:13,003 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 10:20:13 WrapperNode [2022-04-27 10:20:13,003 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-27 10:20:13,004 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-27 10:20:13,004 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-27 10:20:13,004 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-27 10:20:13,011 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 10:20:13" (1/1) ... [2022-04-27 10:20:13,011 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 10:20:13" (1/1) ... [2022-04-27 10:20:13,015 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 10:20:13" (1/1) ... [2022-04-27 10:20:13,016 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 10:20:13" (1/1) ... [2022-04-27 10:20:13,020 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 10:20:13" (1/1) ... [2022-04-27 10:20:13,023 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 10:20:13" (1/1) ... [2022-04-27 10:20:13,024 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 10:20:13" (1/1) ... [2022-04-27 10:20:13,025 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-27 10:20:13,026 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-27 10:20:13,026 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-27 10:20:13,026 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-27 10:20:13,027 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 10:20:13" (1/1) ... [2022-04-27 10:20:13,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-27 10:20:13,048 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-27 10:20:13,059 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) [2022-04-27 10:20:13,080 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 [2022-04-27 10:20:13,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-27 10:20:13,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-27 10:20:13,098 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-27 10:20:13,098 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-04-27 10:20:13,100 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-27 10:20:13,100 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-27 10:20:13,101 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-27 10:20:13,101 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-27 10:20:13,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-27 10:20:13,101 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-04-27 10:20:13,101 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-04-27 10:20:13,101 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2022-04-27 10:20:13,101 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-27 10:20:13,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-27 10:20:13,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-27 10:20:13,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-27 10:20:13,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-27 10:20:13,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-27 10:20:13,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-27 10:20:13,156 INFO L234 CfgBuilder]: Building ICFG [2022-04-27 10:20:13,157 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-27 10:20:13,248 INFO L275 CfgBuilder]: Performing block encoding [2022-04-27 10:20:13,254 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-27 10:20:13,255 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-04-27 10:20:13,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.04 10:20:13 BoogieIcfgContainer [2022-04-27 10:20:13,256 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-27 10:20:13,258 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-27 10:20:13,258 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-27 10:20:13,260 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-27 10:20:13,260 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.04 10:20:12" (1/3) ... [2022-04-27 10:20:13,261 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20932960 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.04 10:20:13, skipping insertion in model container [2022-04-27 10:20:13,261 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 10:20:13" (2/3) ... [2022-04-27 10:20:13,261 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20932960 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.04 10:20:13, skipping insertion in model container [2022-04-27 10:20:13,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.04 10:20:13" (3/3) ... [2022-04-27 10:20:13,262 INFO L111 eAbstractionObserver]: Analyzing ICFG terminator_02-1.c [2022-04-27 10:20:13,274 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-27 10:20:13,274 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-27 10:20:13,312 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-27 10:20:13,318 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=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@24367976, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@c900855 [2022-04-27 10:20:13,318 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-27 10:20:13,325 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 13 states have internal predecessors, (17), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-27 10:20:13,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-04-27 10:20:13,331 INFO L187 NwaCegarLoop]: Found error trace [2022-04-27 10:20:13,331 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-27 10:20:13,332 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-27 10:20:13,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-27 10:20:13,336 INFO L85 PathProgramCache]: Analyzing trace with hash 1706373939, now seen corresponding path program 1 times [2022-04-27 10:20:13,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-27 10:20:13,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456036626] [2022-04-27 10:20:13,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 10:20:13,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-27 10:20:13,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 10:20:13,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-27 10:20:13,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 10:20:13,497 INFO L290 TraceCheckUtils]: 0: Hoare triple {28#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3); {23#true} is VALID [2022-04-27 10:20:13,497 INFO L290 TraceCheckUtils]: 1: Hoare triple {23#true} assume true; {23#true} is VALID [2022-04-27 10:20:13,498 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {23#true} {23#true} #43#return; {23#true} is VALID [2022-04-27 10:20:13,502 INFO L272 TraceCheckUtils]: 0: Hoare triple {23#true} call ULTIMATE.init(); {28#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-27 10:20:13,503 INFO L290 TraceCheckUtils]: 1: Hoare triple {28#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3); {23#true} is VALID [2022-04-27 10:20:13,503 INFO L290 TraceCheckUtils]: 2: Hoare triple {23#true} assume true; {23#true} is VALID [2022-04-27 10:20:13,503 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {23#true} {23#true} #43#return; {23#true} is VALID [2022-04-27 10:20:13,503 INFO L272 TraceCheckUtils]: 4: Hoare triple {23#true} call #t~ret11 := main(); {23#true} is VALID [2022-04-27 10:20:13,504 INFO L290 TraceCheckUtils]: 5: Hoare triple {23#true} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~x~0 := #t~nondet4;havoc #t~nondet4;assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5;assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647;~z~0 := #t~nondet6;havoc #t~nondet6; {23#true} is VALID [2022-04-27 10:20:13,507 INFO L290 TraceCheckUtils]: 6: Hoare triple {23#true} assume !true; {24#false} is VALID [2022-04-27 10:20:13,507 INFO L272 TraceCheckUtils]: 7: Hoare triple {24#false} call __VERIFIER_assert(0); {24#false} is VALID [2022-04-27 10:20:13,507 INFO L290 TraceCheckUtils]: 8: Hoare triple {24#false} ~cond := #in~cond; {24#false} is VALID [2022-04-27 10:20:13,507 INFO L290 TraceCheckUtils]: 9: Hoare triple {24#false} assume 0 == ~cond; {24#false} is VALID [2022-04-27 10:20:13,508 INFO L290 TraceCheckUtils]: 10: Hoare triple {24#false} assume !false; {24#false} is VALID [2022-04-27 10:20:13,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-27 10:20:13,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-27 10:20:13,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456036626] [2022-04-27 10:20:13,509 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456036626] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-27 10:20:13,510 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-27 10:20:13,510 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-27 10:20:13,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821015442] [2022-04-27 10:20:13,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-27 10:20:13,516 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-04-27 10:20:13,517 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-27 10:20:13,524 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-27 10:20:13,569 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 11 edges. 11 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 10:20:13,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-27 10:20:13,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-27 10:20:13,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-27 10:20:13,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-27 10:20:13,600 INFO L87 Difference]: Start difference. First operand has 20 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 13 states have internal predecessors, (17), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-27 10:20:13,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 10:20:13,701 INFO L93 Difference]: Finished difference Result 32 states and 36 transitions. [2022-04-27 10:20:13,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-27 10:20:13,702 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-04-27 10:20:13,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-27 10:20:13,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-27 10:20:13,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 36 transitions. [2022-04-27 10:20:13,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-27 10:20:13,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 36 transitions. [2022-04-27 10:20:13,713 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 3 states and 36 transitions. [2022-04-27 10:20:13,773 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 36 edges. 36 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 10:20:13,784 INFO L225 Difference]: With dead ends: 32 [2022-04-27 10:20:13,784 INFO L226 Difference]: Without dead ends: 13 [2022-04-27 10:20:13,787 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-27 10:20:13,793 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 12 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-27 10:20:13,794 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 23 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-27 10:20:13,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2022-04-27 10:20:13,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-04-27 10:20:13,821 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-27 10:20:13,821 INFO L82 GeneralOperation]: Start isEquivalent. First operand 13 states. Second operand has 13 states, 8 states have (on average 1.25) internal successors, (10), 8 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-27 10:20:13,822 INFO L74 IsIncluded]: Start isIncluded. First operand 13 states. Second operand has 13 states, 8 states have (on average 1.25) internal successors, (10), 8 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-27 10:20:13,822 INFO L87 Difference]: Start difference. First operand 13 states. Second operand has 13 states, 8 states have (on average 1.25) internal successors, (10), 8 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-27 10:20:13,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 10:20:13,829 INFO L93 Difference]: Finished difference Result 13 states and 14 transitions. [2022-04-27 10:20:13,829 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2022-04-27 10:20:13,829 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 10:20:13,829 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 10:20:13,830 INFO L74 IsIncluded]: Start isIncluded. First operand has 13 states, 8 states have (on average 1.25) internal successors, (10), 8 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 13 states. [2022-04-27 10:20:13,830 INFO L87 Difference]: Start difference. First operand has 13 states, 8 states have (on average 1.25) internal successors, (10), 8 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 13 states. [2022-04-27 10:20:13,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 10:20:13,834 INFO L93 Difference]: Finished difference Result 13 states and 14 transitions. [2022-04-27 10:20:13,834 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2022-04-27 10:20:13,835 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 10:20:13,835 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 10:20:13,835 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-27 10:20:13,836 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-27 10:20:13,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 8 states have (on average 1.25) internal successors, (10), 8 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-27 10:20:13,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2022-04-27 10:20:13,840 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 11 [2022-04-27 10:20:13,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-27 10:20:13,841 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2022-04-27 10:20:13,842 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-27 10:20:13,843 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2022-04-27 10:20:13,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-04-27 10:20:13,845 INFO L187 NwaCegarLoop]: Found error trace [2022-04-27 10:20:13,847 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-27 10:20:13,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-27 10:20:13,852 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-27 10:20:13,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-27 10:20:13,853 INFO L85 PathProgramCache]: Analyzing trace with hash 1697138729, now seen corresponding path program 1 times [2022-04-27 10:20:13,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-27 10:20:13,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722021214] [2022-04-27 10:20:13,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 10:20:13,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-27 10:20:13,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-27 10:20:13,894 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-27 10:20:13,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-27 10:20:13,939 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-27 10:20:13,940 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-04-27 10:20:13,942 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-04-27 10:20:13,943 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-27 10:20:13,946 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1] [2022-04-27 10:20:13,949 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-04-27 10:20:13,964 WARN L170 areAnnotationChecker]: reach_errorENTRY has no Hoare annotation [2022-04-27 10:20:13,964 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2022-04-27 10:20:13,964 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2022-04-27 10:20:13,964 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2022-04-27 10:20:13,964 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2022-04-27 10:20:13,964 WARN L170 areAnnotationChecker]: __VERIFIER_assertENTRY has no Hoare annotation [2022-04-27 10:20:13,965 WARN L170 areAnnotationChecker]: reach_errorFINAL has no Hoare annotation [2022-04-27 10:20:13,965 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2022-04-27 10:20:13,965 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2022-04-27 10:20:13,965 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2022-04-27 10:20:13,965 WARN L170 areAnnotationChecker]: L23-2 has no Hoare annotation [2022-04-27 10:20:13,965 WARN L170 areAnnotationChecker]: L23-2 has no Hoare annotation [2022-04-27 10:20:13,965 WARN L170 areAnnotationChecker]: L23-2 has no Hoare annotation [2022-04-27 10:20:13,965 WARN L170 areAnnotationChecker]: L6 has no Hoare annotation [2022-04-27 10:20:13,965 WARN L170 areAnnotationChecker]: L6 has no Hoare annotation [2022-04-27 10:20:13,965 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2022-04-27 10:20:13,965 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2022-04-27 10:20:13,966 WARN L170 areAnnotationChecker]: L20-2 has no Hoare annotation [2022-04-27 10:20:13,966 WARN L170 areAnnotationChecker]: L20-2 has no Hoare annotation [2022-04-27 10:20:13,966 WARN L170 areAnnotationChecker]: L23 has no Hoare annotation [2022-04-27 10:20:13,966 WARN L170 areAnnotationChecker]: L23 has no Hoare annotation [2022-04-27 10:20:13,966 WARN L170 areAnnotationChecker]: L7 has no Hoare annotation [2022-04-27 10:20:13,966 WARN L170 areAnnotationChecker]: L7 has no Hoare annotation [2022-04-27 10:20:13,966 WARN L170 areAnnotationChecker]: L6-2 has no Hoare annotation [2022-04-27 10:20:13,966 WARN L170 areAnnotationChecker]: L34 has no Hoare annotation [2022-04-27 10:20:13,966 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2022-04-27 10:20:13,966 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2022-04-27 10:20:13,966 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2022-04-27 10:20:13,967 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2022-04-27 10:20:13,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.04 10:20:13 BoogieIcfgContainer [2022-04-27 10:20:13,967 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-27 10:20:13,969 INFO L158 Benchmark]: Toolchain (without parser) took 1163.35ms. Allocated memory was 190.8MB in the beginning and 246.4MB in the end (delta: 55.6MB). Free memory was 139.4MB in the beginning and 173.5MB in the end (delta: -34.0MB). Peak memory consumption was 20.7MB. Max. memory is 8.0GB. [2022-04-27 10:20:13,969 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 190.8MB. Free memory is still 155.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-04-27 10:20:13,974 INFO L158 Benchmark]: CACSL2BoogieTranslator took 197.25ms. Allocated memory was 190.8MB in the beginning and 246.4MB in the end (delta: 55.6MB). Free memory was 139.2MB in the beginning and 222.7MB in the end (delta: -83.5MB). Peak memory consumption was 9.0MB. Max. memory is 8.0GB. [2022-04-27 10:20:13,975 INFO L158 Benchmark]: Boogie Preprocessor took 21.56ms. Allocated memory is still 246.4MB. Free memory was 222.7MB in the beginning and 221.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-04-27 10:20:13,976 INFO L158 Benchmark]: RCFGBuilder took 230.36ms. Allocated memory is still 246.4MB. Free memory was 221.2MB in the beginning and 209.7MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-04-27 10:20:13,976 INFO L158 Benchmark]: TraceAbstraction took 709.78ms. Allocated memory is still 246.4MB. Free memory was 209.1MB in the beginning and 173.5MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 8.0GB. [2022-04-27 10:20:13,985 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 190.8MB. Free memory is still 155.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 197.25ms. Allocated memory was 190.8MB in the beginning and 246.4MB in the end (delta: 55.6MB). Free memory was 139.2MB in the beginning and 222.7MB in the end (delta: -83.5MB). Peak memory consumption was 9.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 21.56ms. Allocated memory is still 246.4MB. Free memory was 222.7MB in the beginning and 221.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 230.36ms. Allocated memory is still 246.4MB. Free memory was 221.2MB in the beginning and 209.7MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 709.78ms. Allocated memory is still 246.4MB. Free memory was 209.1MB in the beginning and 173.5MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. 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: 7]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L16] int x=__VERIFIER_nondet_int(); [L17] int y=__VERIFIER_nondet_int(); [L18] int z=__VERIFIER_nondet_int(); [L20] COND FALSE !(x<100 && 100