/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/signedintegeroverflow-regression/UsualArithmeticConversions.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 04:19:57,062 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 04:19:57,066 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 04:19:57,128 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 04:19:57,128 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 04:19:57,133 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 04:19:57,137 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 04:19:57,146 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 04:19:57,150 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 04:19:57,157 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 04:19:57,159 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 04:19:57,165 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 04:19:57,166 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 04:19:57,169 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 04:19:57,171 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 04:19:57,173 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 04:19:57,174 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 04:19:57,176 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 04:19:57,180 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 04:19:57,189 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 04:19:57,191 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 04:19:57,193 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 04:19:57,194 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 04:19:57,197 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 04:19:57,207 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 04:19:57,212 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 04:19:57,213 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 04:19:57,215 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 04:19:57,216 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 04:19:57,217 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 04:19:57,217 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 04:19:57,218 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 04:19:57,219 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 04:19:57,219 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 04:19:57,220 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 04:19:57,221 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 04:19:57,225 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 [2022-10-16 04:19:57,273 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 04:19:57,273 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 04:19:57,274 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 04:19:57,274 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 04:19:57,276 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 04:19:57,276 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 04:19:57,278 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 04:19:57,279 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 04:19:57,279 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 04:19:57,279 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 04:19:57,280 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 04:19:57,281 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 04:19:57,281 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 04:19:57,281 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 04:19:57,281 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 04:19:57,282 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-16 04:19:57,282 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-16 04:19:57,282 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-16 04:19:57,282 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 04:19:57,283 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-16 04:19:57,283 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 04:19:57,283 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 04:19:57,283 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 04:19:57,283 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 04:19:57,284 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 04:19:57,284 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 04:19:57,285 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 04:19:57,285 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 04:19:57,285 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 04:19:57,285 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 04:19:57,285 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 04:19:57,715 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 04:19:57,742 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 04:19:57,747 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 04:19:57,749 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 04:19:57,750 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 04:19:57,751 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/signedintegeroverflow-regression/UsualArithmeticConversions.i [2022-10-16 04:19:57,835 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f45754c8f/d14efbeea25d41c1bcdf722719ab8b7d/FLAGd1a2442ff [2022-10-16 04:19:58,578 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 04:19:58,578 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/signedintegeroverflow-regression/UsualArithmeticConversions.i [2022-10-16 04:19:58,596 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f45754c8f/d14efbeea25d41c1bcdf722719ab8b7d/FLAGd1a2442ff [2022-10-16 04:19:58,812 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f45754c8f/d14efbeea25d41c1bcdf722719ab8b7d [2022-10-16 04:19:58,815 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 04:19:58,822 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 04:19:58,828 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 04:19:58,828 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 04:19:58,834 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 04:19:58,835 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:19:58" (1/1) ... [2022-10-16 04:19:58,837 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@155660d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:19:58, skipping insertion in model container [2022-10-16 04:19:58,838 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:19:58" (1/1) ... [2022-10-16 04:19:58,847 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 04:19:58,897 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 04:19:59,220 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 04:19:59,231 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 04:19:59,273 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 04:19:59,311 INFO L208 MainTranslator]: Completed translation [2022-10-16 04:19:59,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:19:59 WrapperNode [2022-10-16 04:19:59,312 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 04:19:59,313 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 04:19:59,314 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 04:19:59,314 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 04:19:59,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:19:59" (1/1) ... [2022-10-16 04:19:59,362 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:19:59" (1/1) ... [2022-10-16 04:19:59,386 INFO L138 Inliner]: procedures = 109, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 14 [2022-10-16 04:19:59,387 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 04:19:59,388 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 04:19:59,388 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 04:19:59,389 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 04:19:59,399 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:19:59" (1/1) ... [2022-10-16 04:19:59,399 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:19:59" (1/1) ... [2022-10-16 04:19:59,408 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:19:59" (1/1) ... [2022-10-16 04:19:59,408 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:19:59" (1/1) ... [2022-10-16 04:19:59,411 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:19:59" (1/1) ... [2022-10-16 04:19:59,413 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:19:59" (1/1) ... [2022-10-16 04:19:59,414 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:19:59" (1/1) ... [2022-10-16 04:19:59,415 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:19:59" (1/1) ... [2022-10-16 04:19:59,416 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 04:19:59,417 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 04:19:59,417 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 04:19:59,418 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 04:19:59,419 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:19:59" (1/1) ... [2022-10-16 04:19:59,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 04:19:59,438 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 04:19:59,454 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) [2022-10-16 04:19:59,463 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 [2022-10-16 04:19:59,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 04:19:59,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 04:19:59,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 04:19:59,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 04:19:59,677 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 04:19:59,679 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 04:19:59,755 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 04:19:59,762 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 04:19:59,762 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 04:19:59,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:19:59 BoogieIcfgContainer [2022-10-16 04:19:59,766 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 04:19:59,770 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 04:19:59,770 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 04:19:59,775 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 04:19:59,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 04:19:58" (1/3) ... [2022-10-16 04:19:59,776 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e0822d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:19:59, skipping insertion in model container [2022-10-16 04:19:59,776 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:19:59" (2/3) ... [2022-10-16 04:19:59,777 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e0822d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:19:59, skipping insertion in model container [2022-10-16 04:19:59,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:19:59" (3/3) ... [2022-10-16 04:19:59,779 INFO L112 eAbstractionObserver]: Analyzing ICFG UsualArithmeticConversions.i [2022-10-16 04:19:59,818 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 04:19:59,818 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-16 04:19:59,926 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 04:19:59,941 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;@59fe1e3a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 04:19:59,941 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-16 04:19:59,947 INFO L276 IsEmpty]: Start isEmpty. Operand has 6 states, 4 states have (on average 1.25) internal successors, (5), 5 states have internal predecessors, (5), 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) [2022-10-16 04:19:59,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-16 04:19:59,957 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:19:59,958 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-10-16 04:19:59,959 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:19:59,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:19:59,970 INFO L85 PathProgramCache]: Analyzing trace with hash 29857, now seen corresponding path program 1 times [2022-10-16 04:19:59,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:19:59,983 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363226079] [2022-10-16 04:19:59,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:19:59,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:20:00,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:20:00,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:20:00,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:20:00,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363226079] [2022-10-16 04:20:00,296 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363226079] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:20:00,297 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:20:00,297 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 04:20:00,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540433614] [2022-10-16 04:20:00,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:20:00,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 04:20:00,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:20:00,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 04:20:00,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:20:00,357 INFO L87 Difference]: Start difference. First operand has 6 states, 4 states have (on average 1.25) internal successors, (5), 5 states have internal predecessors, (5), 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) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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) [2022-10-16 04:20:00,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:20:00,387 INFO L93 Difference]: Finished difference Result 5 states and 4 transitions. [2022-10-16 04:20:00,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 04:20:00,390 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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) Word has length 3 [2022-10-16 04:20:00,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:20:00,397 INFO L225 Difference]: With dead ends: 5 [2022-10-16 04:20:00,397 INFO L226 Difference]: Without dead ends: 0 [2022-10-16 04:20:00,399 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:20:00,404 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 2 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 04:20:00,405 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 3 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 04:20:00,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-10-16 04:20:00,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-10-16 04:20:00,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2022-10-16 04:20:00,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-10-16 04:20:00,435 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 3 [2022-10-16 04:20:00,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:20:00,436 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-16 04:20:00,436 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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) [2022-10-16 04:20:00,436 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-10-16 04:20:00,437 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-16 04:20:00,440 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (0 of 1 remaining) [2022-10-16 04:20:00,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 04:20:00,447 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-10-16 04:20:00,452 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-16 04:20:00,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 04:20:00 BoogieIcfgContainer [2022-10-16 04:20:00,465 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-16 04:20:00,467 INFO L158 Benchmark]: Toolchain (without parser) took 1647.96ms. Allocated memory is still 154.1MB. Free memory was 128.2MB in the beginning and 125.9MB in the end (delta: 2.3MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-10-16 04:20:00,468 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 125.8MB. Free memory is still 78.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-10-16 04:20:00,468 INFO L158 Benchmark]: CACSL2BoogieTranslator took 484.70ms. Allocated memory is still 154.1MB. Free memory was 128.0MB in the beginning and 114.3MB in the end (delta: 13.7MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-10-16 04:20:00,472 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.81ms. Allocated memory is still 154.1MB. Free memory was 114.1MB in the beginning and 112.5MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-10-16 04:20:00,478 INFO L158 Benchmark]: Boogie Preprocessor took 28.15ms. Allocated memory is still 154.1MB. Free memory was 112.5MB in the beginning and 111.6MB in the end (delta: 940.9kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-10-16 04:20:00,478 INFO L158 Benchmark]: RCFGBuilder took 348.68ms. Allocated memory is still 154.1MB. Free memory was 111.4MB in the beginning and 103.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-10-16 04:20:00,480 INFO L158 Benchmark]: TraceAbstraction took 695.11ms. Allocated memory is still 154.1MB. Free memory was 102.4MB in the beginning and 125.9MB in the end (delta: -23.5MB). There was no memory consumed. Max. memory is 8.0GB. [2022-10-16 04:20:00,486 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 125.8MB. Free memory is still 78.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 484.70ms. Allocated memory is still 154.1MB. Free memory was 128.0MB in the beginning and 114.3MB in the end (delta: 13.7MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 73.81ms. Allocated memory is still 154.1MB. Free memory was 114.1MB in the beginning and 112.5MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 28.15ms. Allocated memory is still 154.1MB. Free memory was 112.5MB in the beginning and 111.6MB in the end (delta: 940.9kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 348.68ms. Allocated memory is still 154.1MB. Free memory was 111.4MB in the beginning and 103.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * TraceAbstraction took 695.11ms. Allocated memory is still 154.1MB. Free memory was 102.4MB in the beginning and 125.9MB in the end (delta: -23.5MB). 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 - PositiveResult [Line: 331]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 3 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 3 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6occurred in iteration=0, InterpolantAutomatonStates: 3, 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, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 4 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-10-16 04:20:00,555 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...