/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/bitvector/sum02-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 16:32:36,384 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 16:32:36,387 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 16:32:36,434 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 16:32:36,434 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 16:32:36,439 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 16:32:36,443 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 16:32:36,461 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 16:32:36,464 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 16:32:36,472 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 16:32:36,473 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 16:32:36,475 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 16:32:36,475 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 16:32:36,479 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 16:32:36,481 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 16:32:36,486 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 16:32:36,488 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 16:32:36,490 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 16:32:36,494 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 16:32:36,502 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 16:32:36,507 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 16:32:36,508 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 16:32:36,511 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 16:32:36,514 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 16:32:36,525 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 16:32:36,525 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 16:32:36,526 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 16:32:36,527 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 16:32:36,527 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 16:32:36,530 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 16:32:36,530 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 16:32:36,531 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 16:32:36,534 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 16:32:36,535 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 16:32:36,537 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 16:32:36,537 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 16:32:36,538 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 16:32:36,538 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 16:32:36,539 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 16:32:36,540 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 16:32:36,541 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 16:32:36,542 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 16:32:36,600 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 16:32:36,600 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 16:32:36,601 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 16:32:36,602 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 16:32:36,604 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 16:32:36,604 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 16:32:36,607 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 16:32:36,607 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 16:32:36,607 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 16:32:36,608 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 16:32:36,609 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 16:32:36,609 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 16:32:36,609 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 16:32:36,609 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 16:32:36,610 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 16:32:36,610 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-15 16:32:36,610 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-15 16:32:36,610 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-15 16:32:36,610 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 16:32:36,611 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-15 16:32:36,611 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 16:32:36,611 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 16:32:36,611 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 16:32:36,611 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 16:32:36,612 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 16:32:36,612 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 16:32:36,612 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 16:32:36,612 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 16:32:36,612 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 16:32:36,613 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 16:32:36,613 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 16:32:37,098 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 16:32:37,138 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 16:32:37,142 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 16:32:37,144 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 16:32:37,144 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 16:32:37,146 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/sum02-1.c [2022-10-15 16:32:37,232 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99d4d1a01/8e232f016cf04b0396fc844c04a80871/FLAG8495fdc86 [2022-10-15 16:32:37,952 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 16:32:37,953 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/sum02-1.c [2022-10-15 16:32:37,960 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99d4d1a01/8e232f016cf04b0396fc844c04a80871/FLAG8495fdc86 [2022-10-15 16:32:38,320 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99d4d1a01/8e232f016cf04b0396fc844c04a80871 [2022-10-15 16:32:38,324 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 16:32:38,330 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 16:32:38,332 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 16:32:38,332 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 16:32:38,335 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 16:32:38,336 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:32:38" (1/1) ... [2022-10-15 16:32:38,337 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7eefd4ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:32:38, skipping insertion in model container [2022-10-15 16:32:38,338 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:32:38" (1/1) ... [2022-10-15 16:32:38,348 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 16:32:38,363 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 16:32:38,528 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/bitvector/sum02-1.c[624,637] [2022-10-15 16:32:38,545 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 16:32:38,556 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 16:32:38,572 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/bitvector/sum02-1.c[624,637] [2022-10-15 16:32:38,576 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 16:32:38,594 INFO L208 MainTranslator]: Completed translation [2022-10-15 16:32:38,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:32:38 WrapperNode [2022-10-15 16:32:38,595 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 16:32:38,597 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 16:32:38,597 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 16:32:38,597 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 16:32:38,607 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:32:38" (1/1) ... [2022-10-15 16:32:38,615 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:32:38" (1/1) ... [2022-10-15 16:32:38,640 INFO L138 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 30 [2022-10-15 16:32:38,641 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 16:32:38,642 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 16:32:38,642 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 16:32:38,642 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 16:32:38,654 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:32:38" (1/1) ... [2022-10-15 16:32:38,655 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:32:38" (1/1) ... [2022-10-15 16:32:38,656 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:32:38" (1/1) ... [2022-10-15 16:32:38,656 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:32:38" (1/1) ... [2022-10-15 16:32:38,660 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:32:38" (1/1) ... [2022-10-15 16:32:38,664 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:32:38" (1/1) ... [2022-10-15 16:32:38,665 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:32:38" (1/1) ... [2022-10-15 16:32:38,666 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:32:38" (1/1) ... [2022-10-15 16:32:38,668 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 16:32:38,669 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 16:32:38,669 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 16:32:38,669 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 16:32:38,671 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:32:38" (1/1) ... [2022-10-15 16:32:38,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 16:32:38,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 16:32:38,712 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 16:32:38,740 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 16:32:38,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 16:32:38,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 16:32:38,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 16:32:38,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 16:32:38,878 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 16:32:38,881 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 16:32:39,026 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 16:32:39,036 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 16:32:39,036 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-15 16:32:39,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:32:39 BoogieIcfgContainer [2022-10-15 16:32:39,039 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 16:32:39,042 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 16:32:39,043 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 16:32:39,047 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 16:32:39,047 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 04:32:38" (1/3) ... [2022-10-15 16:32:39,048 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23aff10a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 04:32:39, skipping insertion in model container [2022-10-15 16:32:39,048 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:32:38" (2/3) ... [2022-10-15 16:32:39,049 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23aff10a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 04:32:39, skipping insertion in model container [2022-10-15 16:32:39,049 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:32:39" (3/3) ... [2022-10-15 16:32:39,051 INFO L112 eAbstractionObserver]: Analyzing ICFG sum02-1.c [2022-10-15 16:32:39,079 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 16:32:39,079 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-10-15 16:32:39,146 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 16:32:39,157 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;@af357c6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 16:32:39,157 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-10-15 16:32:39,163 INFO L276 IsEmpty]: Start isEmpty. Operand has 13 states, 10 states have (on average 1.5) internal successors, (15), 12 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 16:32:39,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-15 16:32:39,172 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 16:32:39,172 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-10-15 16:32:39,173 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 16:32:39,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 16:32:39,182 INFO L85 PathProgramCache]: Analyzing trace with hash 889605037, now seen corresponding path program 1 times [2022-10-15 16:32:39,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 16:32:39,197 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950550211] [2022-10-15 16:32:39,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 16:32:39,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 16:32:39,395 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-15 16:32:39,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [28153796] [2022-10-15 16:32:39,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 16:32:39,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 16:32:39,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 16:32:39,401 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 16:32:39,421 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process