/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_3_4.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 16:46:32,433 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 16:46:32,438 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 16:46:32,512 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 16:46:32,513 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 16:46:32,518 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 16:46:32,548 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 16:46:32,560 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 16:46:32,564 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 16:46:32,572 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 16:46:32,574 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 16:46:32,578 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 16:46:32,579 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 16:46:32,582 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 16:46:32,585 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 16:46:32,591 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 16:46:32,594 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 16:46:32,595 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 16:46:32,600 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 16:46:32,611 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 16:46:32,613 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 16:46:32,616 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 16:46:32,618 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 16:46:32,621 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 16:46:32,636 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 16:46:32,639 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 16:46:32,639 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 16:46:32,642 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 16:46:32,643 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 16:46:32,644 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 16:46:32,645 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 16:46:32,646 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 16:46:32,649 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 16:46:32,650 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 16:46:32,652 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 16:46:32,652 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 16:46:32,653 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 16:46:32,654 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 16:46:32,655 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 16:46:32,656 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 16:46:32,658 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 16:46:32,659 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 16:46:32,723 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 16:46:32,723 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 16:46:32,724 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 16:46:32,724 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 16:46:32,727 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 16:46:32,727 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 16:46:32,730 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 16:46:32,731 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 16:46:32,731 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 16:46:32,732 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 16:46:32,733 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 16:46:32,733 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 16:46:32,733 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 16:46:32,733 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 16:46:32,734 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 16:46:32,734 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-15 16:46:32,734 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-15 16:46:32,734 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-15 16:46:32,735 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 16:46:32,735 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-15 16:46:32,735 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 16:46:32,735 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 16:46:32,736 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 16:46:32,736 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 16:46:32,736 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 16:46:32,736 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 16:46:32,737 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 16:46:32,737 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 16:46:32,737 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 16:46:32,737 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 16:46:32,738 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 16:46:33,239 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 16:46:33,269 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 16:46:33,273 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 16:46:33,275 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 16:46:33,276 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 16:46:33,277 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cdfpl/newton_3_4.i [2022-10-15 16:46:33,366 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8576de62/f400f6e90fca41b49a04fb1c179b203b/FLAGc1c338830 [2022-10-15 16:46:33,961 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 16:46:33,962 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cdfpl/newton_3_4.i [2022-10-15 16:46:33,970 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8576de62/f400f6e90fca41b49a04fb1c179b203b/FLAGc1c338830 [2022-10-15 16:46:34,363 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8576de62/f400f6e90fca41b49a04fb1c179b203b [2022-10-15 16:46:34,366 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 16:46:34,373 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 16:46:34,378 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 16:46:34,379 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 16:46:34,383 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 16:46:34,385 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:46:34" (1/1) ... [2022-10-15 16:46:34,387 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ca05857 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:46:34, skipping insertion in model container [2022-10-15 16:46:34,387 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:46:34" (1/1) ... [2022-10-15 16:46:34,395 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 16:46:34,420 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 16:46:34,738 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_3_4.i[1764,1777] [2022-10-15 16:46:34,742 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 16:46:34,757 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 16:46:34,800 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_3_4.i[1764,1777] [2022-10-15 16:46:34,803 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 16:46:34,821 INFO L208 MainTranslator]: Completed translation [2022-10-15 16:46:34,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:46:34 WrapperNode [2022-10-15 16:46:34,824 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 16:46:34,825 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 16:46:34,825 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 16:46:34,826 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 16:46:34,835 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:46:34" (1/1) ... [2022-10-15 16:46:34,846 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:46:34" (1/1) ... [2022-10-15 16:46:34,876 INFO L138 Inliner]: procedures = 17, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 34 [2022-10-15 16:46:34,877 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 16:46:34,881 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 16:46:34,881 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 16:46:34,881 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 16:46:34,893 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:46:34" (1/1) ... [2022-10-15 16:46:34,893 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:46:34" (1/1) ... [2022-10-15 16:46:34,905 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:46:34" (1/1) ... [2022-10-15 16:46:34,905 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:46:34" (1/1) ... [2022-10-15 16:46:34,921 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:46:34" (1/1) ... [2022-10-15 16:46:34,929 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:46:34" (1/1) ... [2022-10-15 16:46:34,935 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:46:34" (1/1) ... [2022-10-15 16:46:34,936 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:46:34" (1/1) ... [2022-10-15 16:46:34,942 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 16:46:34,943 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 16:46:34,944 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 16:46:34,944 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 16:46:34,945 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:46:34" (1/1) ... [2022-10-15 16:46:34,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 16:46:34,966 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 16:46:34,982 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 16:46:34,994 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 16:46:35,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 16:46:35,046 INFO L130 BoogieDeclarations]: Found specification of procedure f [2022-10-15 16:46:35,046 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2022-10-15 16:46:35,046 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2022-10-15 16:46:35,047 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2022-10-15 16:46:35,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 16:46:35,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 16:46:35,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 16:46:35,134 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 16:46:35,137 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 16:46:35,273 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 16:46:35,281 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 16:46:35,281 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 16:46:35,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:46:35 BoogieIcfgContainer [2022-10-15 16:46:35,287 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 16:46:35,290 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 16:46:35,290 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 16:46:35,295 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 16:46:35,295 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 04:46:34" (1/3) ... [2022-10-15 16:46:35,296 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79c6a635 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 04:46:35, skipping insertion in model container [2022-10-15 16:46:35,296 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:46:34" (2/3) ... [2022-10-15 16:46:35,297 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79c6a635 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 04:46:35, skipping insertion in model container [2022-10-15 16:46:35,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:46:35" (3/3) ... [2022-10-15 16:46:35,299 INFO L112 eAbstractionObserver]: Analyzing ICFG newton_3_4.i [2022-10-15 16:46:35,355 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 16:46:35,361 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-10-15 16:46:35,471 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 16:46:35,486 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;@55b40878, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 16:46:35,487 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-10-15 16:46:35,493 INFO L276 IsEmpty]: Start isEmpty. Operand has 27 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-10-15 16:46:35,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-15 16:46:35,512 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 16:46:35,513 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 16:46:35,514 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 16:46:35,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 16:46:35,524 INFO L85 PathProgramCache]: Analyzing trace with hash 486928587, now seen corresponding path program 1 times [2022-10-15 16:46:35,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 16:46:35,539 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437986438] [2022-10-15 16:46:35,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 16:46:35,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 16:46:35,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 16:46:35,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-15 16:46:35,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 16:46:35,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 16:46:35,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 16:46:35,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-15 16:46:35,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 16:46:35,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-15 16:46:35,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 16:46:35,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-15 16:46:35,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 16:46:35,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-15 16:46:35,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 16:46:35,941 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-10-15 16:46:35,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 16:46:35,943 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437986438] [2022-10-15 16:46:35,945 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1437986438] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 16:46:35,946 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 16:46:35,947 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 16:46:35,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519503441] [2022-10-15 16:46:35,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 16:46:35,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-15 16:46:35,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 16:46:36,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-15 16:46:36,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-15 16:46:36,008 INFO L87 Difference]: Start difference. First operand has 27 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-10-15 16:46:36,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 16:46:36,034 INFO L93 Difference]: Finished difference Result 27 states and 30 transitions. [2022-10-15 16:46:36,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-15 16:46:36,037 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 33 [2022-10-15 16:46:36,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 16:46:36,046 INFO L225 Difference]: With dead ends: 27 [2022-10-15 16:46:36,047 INFO L226 Difference]: Without dead ends: 25 [2022-10-15 16:46:36,050 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 14 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 16:46:36,057 INFO L413 NwaCegarLoop]: 30 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, 30 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 16:46:36,059 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 16:46:36,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2022-10-15 16:46:36,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2022-10-15 16:46:36,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 15 states have (on average 1.0666666666666667) internal successors, (16), 16 states have internal predecessors, (16), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-10-15 16:46:36,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 28 transitions. [2022-10-15 16:46:36,125 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 28 transitions. Word has length 33 [2022-10-15 16:46:36,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 16:46:36,126 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 28 transitions. [2022-10-15 16:46:36,126 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-10-15 16:46:36,127 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2022-10-15 16:46:36,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-15 16:46:36,130 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 16:46:36,131 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 16:46:36,131 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 16:46:36,132 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 16:46:36,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 16:46:36,132 INFO L85 PathProgramCache]: Analyzing trace with hash 1188528461, now seen corresponding path program 1 times [2022-10-15 16:46:36,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 16:46:36,134 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495658924] [2022-10-15 16:46:36,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 16:46:36,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 16:46:36,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-15 16:46:36,183 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-15 16:46:36,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-15 16:46:36,248 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-15 16:46:36,249 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-10-15 16:46:36,251 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (1 of 2 remaining) [2022-10-15 16:46:36,253 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (0 of 2 remaining) [2022-10-15 16:46:36,253 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 16:46:36,258 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-10-15 16:46:36,262 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-15 16:46:36,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 04:46:36 BoogieIcfgContainer [2022-10-15 16:46:36,302 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-15 16:46:36,303 INFO L158 Benchmark]: Toolchain (without parser) took 1934.12ms. Allocated memory is still 151.0MB. Free memory was 124.9MB in the beginning and 105.7MB in the end (delta: 19.1MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2022-10-15 16:46:36,304 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 151.0MB. Free memory was 121.3MB in the beginning and 121.2MB in the end (delta: 75.1kB). There was no memory consumed. Max. memory is 8.0GB. [2022-10-15 16:46:36,304 INFO L158 Benchmark]: CACSL2BoogieTranslator took 446.02ms. Allocated memory is still 151.0MB. Free memory was 124.6MB in the beginning and 114.7MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-10-15 16:46:36,305 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.11ms. Allocated memory is still 151.0MB. Free memory was 114.7MB in the beginning and 113.2MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-10-15 16:46:36,306 INFO L158 Benchmark]: Boogie Preprocessor took 61.47ms. Allocated memory is still 151.0MB. Free memory was 113.1MB in the beginning and 112.0MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-10-15 16:46:36,307 INFO L158 Benchmark]: RCFGBuilder took 344.01ms. Allocated memory is still 151.0MB. Free memory was 111.9MB in the beginning and 102.3MB in the end (delta: 9.6MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-10-15 16:46:36,307 INFO L158 Benchmark]: TraceAbstraction took 1012.30ms. Allocated memory is still 151.0MB. Free memory was 101.6MB in the beginning and 105.7MB in the end (delta: -4.1MB). There was no memory consumed. Max. memory is 8.0GB. [2022-10-15 16:46:36,311 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 151.0MB. Free memory was 121.3MB in the beginning and 121.2MB in the end (delta: 75.1kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 446.02ms. Allocated memory is still 151.0MB. Free memory was 124.6MB in the beginning and 114.7MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 52.11ms. Allocated memory is still 151.0MB. Free memory was 114.7MB in the beginning and 113.2MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 61.47ms. Allocated memory is still 151.0MB. Free memory was 113.1MB in the beginning and 112.0MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 344.01ms. Allocated memory is still 151.0MB. Free memory was 111.9MB in the beginning and 102.3MB in the end (delta: 9.6MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 1012.30ms. Allocated memory is still 151.0MB. Free memory was 101.6MB in the beginning and 105.7MB in the end (delta: -4.1MB). 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 46. Possible FailurePath: [L39] float IN = __VERIFIER_nondet_float(); [L40] CALL assume_abort_if_not(IN > -0.8f && IN < 0.8f) [L24] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L40] RET assume_abort_if_not(IN > -0.8f && IN < 0.8f) [L42] CALL, EXPR f(IN) VAL [\old(x)=54] [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)=54, x=54] [L42] RET, EXPR f(IN) VAL [f(IN)=55, IN=54] [L42] CALL, EXPR fp(IN) VAL [\old(x)=54] [L34] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=54, x=54] [L42] RET, EXPR fp(IN) VAL [f(IN)=55, fp(IN)=59, IN=54] [L42] float x = IN - f(IN)/fp(IN); [L44] CALL, EXPR f(x) VAL [\old(x)=56] [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)=56, x=56] [L44] RET, EXPR f(x) VAL [f(x)=57, IN=54, x=56] [L44] CALL, EXPR fp(x) VAL [\old(x)=56] [L34] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=56, x=56] [L44] RET, EXPR fp(x) VAL [f(x)=57, fp(x)=60, IN=54, x=56] [L44] x = x - f(x)/fp(x) [L46] CALL, EXPR f(x) VAL [\old(x)=58] [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)=58, x=58] [L46] RET, EXPR f(x) VAL [f(x)=61, IN=54, x=58] [L46] CALL, EXPR fp(x) VAL [\old(x)=58] [L34] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=58, x=58] [L46] RET, EXPR fp(x) VAL [f(x)=61, fp(x)=53, IN=54, x=58] [L46] x = x - f(x)/fp(x) [L50] COND TRUE !(x < 0.1) VAL [IN=54] [L51] reach_error() VAL [IN=54] - 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, 27 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 3, 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, 30 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, 30 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 66 NumberOfCodeBlocks, 66 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 32 ConstructedInterpolants, 0 QuantifiedInterpolants, 32 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 18/18 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 16:46:36,358 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...