/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/floats-cdfpl/newton_2_8.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 16:46:30,747 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 16:46:30,750 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 16:46:30,795 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 16:46:30,795 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 16:46:30,797 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 16:46:30,798 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 16:46:30,800 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 16:46:30,802 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 16:46:30,804 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 16:46:30,805 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 16:46:30,806 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 16:46:30,807 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 16:46:30,808 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 16:46:30,809 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 16:46:30,810 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 16:46:30,811 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 16:46:30,812 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 16:46:30,814 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 16:46:30,816 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 16:46:30,818 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 16:46:30,819 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 16:46:30,821 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 16:46:30,822 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 16:46:30,826 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-15 16:46:30,830 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 16:46:30,831 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 16:46:30,831 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 16:46:30,832 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 16:46:30,834 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 16:46:30,834 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 16:46:30,835 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 16:46:30,835 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 16:46:30,835 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 16:46:30,836 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 16:46:30,837 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 16:46:30,838 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-10-15 16:46:30,890 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 16:46:30,891 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 16:46:30,891 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 16:46:30,891 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 16:46:30,893 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 16:46:30,894 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 16:46:30,895 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 16:46:30,895 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 16:46:30,895 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 16:46:30,895 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 16:46:30,896 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 16:46:30,896 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 16:46:30,896 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 16:46:30,896 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 16:46:30,896 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 16:46:30,896 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-15 16:46:30,898 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-15 16:46:30,898 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-15 16:46:30,899 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 16:46:30,899 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-15 16:46:30,899 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 16:46:30,899 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 16:46:30,899 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 16:46:30,900 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 16:46:30,900 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 16:46:30,900 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 16:46:30,901 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 16:46:30,901 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 16:46:30,902 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 16:46:30,902 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 16:46:30,902 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 16:46:31,374 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 16:46:31,413 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 16:46:31,417 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 16:46:31,418 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 16:46:31,419 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 16:46:31,420 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cdfpl/newton_2_8.i [2022-10-15 16:46:31,511 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e834d29b4/afef0e161316465ebd568325a407ecfa/FLAG55d665428 [2022-10-15 16:46:32,244 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 16:46:32,245 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cdfpl/newton_2_8.i [2022-10-15 16:46:32,253 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e834d29b4/afef0e161316465ebd568325a407ecfa/FLAG55d665428 [2022-10-15 16:46:32,601 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e834d29b4/afef0e161316465ebd568325a407ecfa [2022-10-15 16:46:32,605 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 16:46:32,611 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 16:46:32,616 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 16:46:32,616 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 16:46:32,620 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 16:46:32,621 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:46:32" (1/1) ... [2022-10-15 16:46:32,623 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@491955d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:46:32, skipping insertion in model container [2022-10-15 16:46:32,624 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:46:32" (1/1) ... [2022-10-15 16:46:32,636 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 16:46:32,666 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 16:46:32,931 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cdfpl/newton_2_8.i[1743,1756] [2022-10-15 16:46:32,934 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 16:46:32,947 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 16:46:32,970 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cdfpl/newton_2_8.i[1743,1756] [2022-10-15 16:46:32,971 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 16:46:32,991 INFO L208 MainTranslator]: Completed translation [2022-10-15 16:46:32,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:46:32 WrapperNode [2022-10-15 16:46:32,992 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 16:46:32,993 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 16:46:32,993 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 16:46:32,994 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 16:46:33,003 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:46:32" (1/1) ... [2022-10-15 16:46:33,014 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:46:32" (1/1) ... [2022-10-15 16:46:33,038 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 29 [2022-10-15 16:46:33,038 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 16:46:33,039 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 16:46:33,039 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 16:46:33,039 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 16:46:33,050 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:46:32" (1/1) ... [2022-10-15 16:46:33,051 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:46:32" (1/1) ... [2022-10-15 16:46:33,052 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:46:32" (1/1) ... [2022-10-15 16:46:33,053 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:46:32" (1/1) ... [2022-10-15 16:46:33,059 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:46:32" (1/1) ... [2022-10-15 16:46:33,061 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:46:32" (1/1) ... [2022-10-15 16:46:33,062 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:46:32" (1/1) ... [2022-10-15 16:46:33,063 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:46:32" (1/1) ... [2022-10-15 16:46:33,065 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 16:46:33,066 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 16:46:33,066 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 16:46:33,066 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 16:46:33,067 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:46:32" (1/1) ... [2022-10-15 16:46:33,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 16:46:33,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 16:46:33,109 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) [2022-10-15 16:46:33,132 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 [2022-10-15 16:46:33,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 16:46:33,185 INFO L130 BoogieDeclarations]: Found specification of procedure f [2022-10-15 16:46:33,185 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2022-10-15 16:46:33,185 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2022-10-15 16:46:33,185 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2022-10-15 16:46:33,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 16:46:33,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 16:46:33,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 16:46:33,265 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 16:46:33,267 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 16:46:33,388 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 16:46:33,397 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 16:46:33,397 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 16:46:33,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:46:33 BoogieIcfgContainer [2022-10-15 16:46:33,400 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 16:46:33,403 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 16:46:33,403 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 16:46:33,407 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 16:46:33,407 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 04:46:32" (1/3) ... [2022-10-15 16:46:33,408 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ee7eb8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 04:46:33, skipping insertion in model container [2022-10-15 16:46:33,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:46:32" (2/3) ... [2022-10-15 16:46:33,409 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ee7eb8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 04:46:33, skipping insertion in model container [2022-10-15 16:46:33,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:46:33" (3/3) ... [2022-10-15 16:46:33,411 INFO L112 eAbstractionObserver]: Analyzing ICFG newton_2_8.i [2022-10-15 16:46:33,436 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 16:46:33,436 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-10-15 16:46:33,524 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 16:46:33,534 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=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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;@65dcaf29, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 16:46:33,534 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-10-15 16:46:33,540 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 17 states have internal predecessors, (19), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-10-15 16:46:33,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-15 16:46:33,551 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 16:46:33,552 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 16:46:33,553 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 16:46:33,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 16:46:33,561 INFO L85 PathProgramCache]: Analyzing trace with hash -383752917, now seen corresponding path program 1 times [2022-10-15 16:46:33,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 16:46:33,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513075307] [2022-10-15 16:46:33,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 16:46:33,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 16:46:33,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 16:46:33,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-15 16:46:33,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 16:46:33,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 16:46:33,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 16:46:33,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-15 16:46:33,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 16:46:33,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-15 16:46:33,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 16:46:33,789 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-15 16:46:33,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 16:46:33,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513075307] [2022-10-15 16:46:33,791 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513075307] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 16:46:33,792 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 16:46:33,792 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 16:46:33,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90832234] [2022-10-15 16:46:33,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 16:46:33,800 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-15 16:46:33,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 16:46:33,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-15 16:46:33,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-15 16:46:33,837 INFO L87 Difference]: Start difference. First operand has 24 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 17 states have internal predecessors, (19), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-10-15 16:46:33,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 16:46:33,857 INFO L93 Difference]: Finished difference Result 24 states and 25 transitions. [2022-10-15 16:46:33,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-15 16:46:33,861 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 24 [2022-10-15 16:46:33,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 16:46:33,871 INFO L225 Difference]: With dead ends: 24 [2022-10-15 16:46:33,872 INFO L226 Difference]: Without dead ends: 22 [2022-10-15 16:46:33,874 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-15 16:46:33,879 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 16:46:33,881 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 16:46:33,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2022-10-15 16:46:33,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2022-10-15 16:46:33,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 15 states have internal predecessors, (15), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-10-15 16:46:33,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 23 transitions. [2022-10-15 16:46:33,927 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 23 transitions. Word has length 24 [2022-10-15 16:46:33,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 16:46:33,928 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 23 transitions. [2022-10-15 16:46:33,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-10-15 16:46:33,929 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2022-10-15 16:46:33,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-15 16:46:33,931 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 16:46:33,931 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 16:46:33,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 16:46:33,932 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 16:46:33,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 16:46:33,933 INFO L85 PathProgramCache]: Analyzing trace with hash -164898199, now seen corresponding path program 1 times [2022-10-15 16:46:33,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 16:46:33,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181136405] [2022-10-15 16:46:33,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 16:46:33,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 16:46:33,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-15 16:46:33,956 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-15 16:46:33,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-15 16:46:34,006 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-15 16:46:34,006 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-10-15 16:46:34,009 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (1 of 2 remaining) [2022-10-15 16:46:34,011 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (0 of 2 remaining) [2022-10-15 16:46:34,012 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 16:46:34,017 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-10-15 16:46:34,023 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-15 16:46:34,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 04:46:34 BoogieIcfgContainer [2022-10-15 16:46:34,053 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-15 16:46:34,055 INFO L158 Benchmark]: Toolchain (without parser) took 1447.81ms. Allocated memory is still 154.1MB. Free memory was 127.2MB in the beginning and 113.7MB in the end (delta: 13.5MB). Peak memory consumption was 13.7MB. Max. memory is 8.0GB. [2022-10-15 16:46:34,055 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 154.1MB. Free memory was 124.2MB in the beginning and 124.1MB in the end (delta: 76.1kB). There was no memory consumed. Max. memory is 8.0GB. [2022-10-15 16:46:34,056 INFO L158 Benchmark]: CACSL2BoogieTranslator took 376.65ms. Allocated memory is still 154.1MB. Free memory was 127.1MB in the beginning and 117.0MB in the end (delta: 10.0MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-10-15 16:46:34,057 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.26ms. Allocated memory is still 154.1MB. Free memory was 117.0MB in the beginning and 115.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-10-15 16:46:34,058 INFO L158 Benchmark]: Boogie Preprocessor took 25.82ms. Allocated memory is still 154.1MB. Free memory was 115.5MB in the beginning and 114.5MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-10-15 16:46:34,059 INFO L158 Benchmark]: RCFGBuilder took 334.24ms. Allocated memory is still 154.1MB. Free memory was 114.4MB in the beginning and 104.9MB in the end (delta: 9.5MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-10-15 16:46:34,060 INFO L158 Benchmark]: TraceAbstraction took 650.72ms. Allocated memory is still 154.1MB. Free memory was 104.1MB in the beginning and 113.7MB in the end (delta: -9.5MB). There was no memory consumed. Max. memory is 8.0GB. [2022-10-15 16:46:34,064 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 154.1MB. Free memory was 124.2MB in the beginning and 124.1MB in the end (delta: 76.1kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 376.65ms. Allocated memory is still 154.1MB. Free memory was 127.1MB in the beginning and 117.0MB in the end (delta: 10.0MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 45.26ms. Allocated memory is still 154.1MB. Free memory was 117.0MB in the beginning and 115.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 25.82ms. Allocated memory is still 154.1MB. Free memory was 115.5MB in the beginning and 114.5MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 334.24ms. Allocated memory is still 154.1MB. Free memory was 114.4MB in the beginning and 104.9MB in the end (delta: 9.5MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 650.72ms. Allocated memory is still 154.1MB. Free memory was 104.1MB in the beginning and 113.7MB in the end (delta: -9.5MB). 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 - UnprovableResult [Line: 51]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of someBinaryFLOATComparisonOperation at line 40, overapproximation of memtrack at line 51, overapproximation of someBinaryDOUBLEComparisonOperation at line 50, overapproximation of someBinaryArithmeticFLOAToperation at line 44. Possible FailurePath: [L39] float IN = __VERIFIER_nondet_float(); [L40] CALL assume_abort_if_not(IN > -2.0f && IN < 2.0f) [L24] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L40] RET assume_abort_if_not(IN > -2.0f && IN < 2.0f) [L42] CALL, EXPR f(IN) VAL [\old(x)=53] [L29] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; VAL [\old(x)=53, x=53] [L42] RET, EXPR f(IN) VAL [f(IN)=54, IN=53] [L42] CALL, EXPR fp(IN) VAL [\old(x)=53] [L34] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=53, x=53] [L42] RET, EXPR fp(IN) VAL [f(IN)=54, fp(IN)=57, IN=53] [L42] float x = IN - f(IN)/fp(IN); [L44] CALL, EXPR f(x) VAL [\old(x)=55] [L29] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; VAL [\old(x)=55, x=55] [L44] RET, EXPR f(x) VAL [f(x)=56, IN=53, x=55] [L44] CALL, EXPR fp(x) VAL [\old(x)=55] [L34] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=55, x=55] [L44] RET, EXPR fp(x) VAL [f(x)=56, fp(x)=58, IN=53, x=55] [L44] x = x - f(x)/fp(x) [L50] COND TRUE !(x < 0.1) VAL [IN=53] [L51] reach_error() VAL [IN=53] - UnprovableResult [Line: 37]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 24 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 25 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 25 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 48 NumberOfCodeBlocks, 48 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 23 ConstructedInterpolants, 0 QuantifiedInterpolants, 23 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 6/6 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 could not prove your program: unable to determine feasibility of some traces [2022-10-15 16:46:34,140 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...