/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/array-programs/partial_mod_count_limited_gen.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 00:32:59,933 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 00:32:59,937 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 00:33:00,000 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-10-16 00:33:00,049 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 00:33:00,053 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 00:33:00,055 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 00:33:00,061 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 00:33:00,063 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 00:33:00,065 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 00:33:00,069 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 00:33:00,079 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 00:33:00,082 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 00:33:00,084 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 00:33:00,086 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 00:33:00,089 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 00:33:00,099 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 00:33:00,115 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 00:33:00,116 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 00:33:00,117 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 00:33:00,119 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 00:33:00,179 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 00:33:00,180 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 00:33:00,181 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 00:33:00,181 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 00:33:00,183 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 00:33:00,183 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 00:33:00,186 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 00:33:00,187 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 00:33:00,187 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 00:33:00,187 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 00:33:00,189 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 00:33:00,189 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 00:33:00,189 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 00:33:00,189 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 00:33:00,190 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 00:33:00,190 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-16 00:33:00,190 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-16 00:33:00,190 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-16 00:33:00,190 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 00:33:00,191 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-16 00:33:00,191 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 00:33:00,191 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 00:33:00,191 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 00:33:00,192 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 00:33:00,192 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 00:33:00,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 00:33:00,192 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 00:33:00,193 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 00:33:00,193 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 00:33:00,193 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 00:33:00,193 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 00:33:00,614 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 00:33:00,651 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 00:33:00,656 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 00:33:00,658 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 00:33:00,659 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 00:33:00,662 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-programs/partial_mod_count_limited_gen.c [2022-10-16 00:33:00,750 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be189fb16/2394fbe46f3d4b288bc91918a2ec73a3/FLAG7178dd7ef [2022-10-16 00:33:01,367 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 00:33:01,368 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-programs/partial_mod_count_limited_gen.c [2022-10-16 00:33:01,381 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be189fb16/2394fbe46f3d4b288bc91918a2ec73a3/FLAG7178dd7ef [2022-10-16 00:33:01,753 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be189fb16/2394fbe46f3d4b288bc91918a2ec73a3 [2022-10-16 00:33:01,757 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 00:33:01,779 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 00:33:01,784 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 00:33:01,785 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 00:33:01,789 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 00:33:01,791 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:33:01" (1/1) ... [2022-10-16 00:33:01,793 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a930654 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:33:01, skipping insertion in model container [2022-10-16 00:33:01,793 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:33:01" (1/1) ... [2022-10-16 00:33:01,803 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 00:33:01,825 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 00:33:02,000 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/array-programs/partial_mod_count_limited_gen.c[333,346] [2022-10-16 00:33:02,028 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 00:33:02,039 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 00:33:02,053 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/array-programs/partial_mod_count_limited_gen.c[333,346] [2022-10-16 00:33:02,065 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 00:33:02,083 INFO L208 MainTranslator]: Completed translation [2022-10-16 00:33:02,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:33:02 WrapperNode [2022-10-16 00:33:02,084 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 00:33:02,085 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 00:33:02,086 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 00:33:02,086 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 00:33:02,096 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:33:02" (1/1) ... [2022-10-16 00:33:02,106 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:33:02" (1/1) ... [2022-10-16 00:33:02,137 INFO L138 Inliner]: procedures = 16, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 67 [2022-10-16 00:33:02,137 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 00:33:02,138 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 00:33:02,138 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 00:33:02,138 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 00:33:02,151 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:33:02" (1/1) ... [2022-10-16 00:33:02,151 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:33:02" (1/1) ... [2022-10-16 00:33:02,154 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:33:02" (1/1) ... [2022-10-16 00:33:02,155 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:33:02" (1/1) ... [2022-10-16 00:33:02,163 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:33:02" (1/1) ... [2022-10-16 00:33:02,168 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:33:02" (1/1) ... [2022-10-16 00:33:02,170 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:33:02" (1/1) ... [2022-10-16 00:33:02,172 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:33:02" (1/1) ... [2022-10-16 00:33:02,175 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 00:33:02,176 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 00:33:02,176 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 00:33:02,176 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 00:33:02,177 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:33:02" (1/1) ... [2022-10-16 00:33:02,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 00:33:02,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 00:33:02,219 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 00:33:02,247 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 00:33:02,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 00:33:02,303 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-16 00:33:02,303 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-16 00:33:02,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 00:33:02,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 00:33:02,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 00:33:02,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 00:33:02,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 00:33:02,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 00:33:02,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 00:33:02,390 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 00:33:02,393 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 00:33:02,742 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 00:33:02,762 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 00:33:02,769 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-16 00:33:02,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:33:02 BoogieIcfgContainer [2022-10-16 00:33:02,776 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 00:33:02,782 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 00:33:02,783 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 00:33:02,798 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 00:33:02,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 12:33:01" (1/3) ... [2022-10-16 00:33:02,800 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52b50799 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:33:02, skipping insertion in model container [2022-10-16 00:33:02,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:33:02" (2/3) ... [2022-10-16 00:33:02,804 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52b50799 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:33:02, skipping insertion in model container [2022-10-16 00:33:02,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:33:02" (3/3) ... [2022-10-16 00:33:02,810 INFO L112 eAbstractionObserver]: Analyzing ICFG partial_mod_count_limited_gen.c [2022-10-16 00:33:02,860 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 00:33:02,862 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2022-10-16 00:33:02,946 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 00:33:02,956 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;@3789a0ec, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 00:33:02,957 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2022-10-16 00:33:02,965 INFO L276 IsEmpty]: Start isEmpty. Operand has 39 states, 25 states have (on average 1.76) internal successors, (44), 35 states have internal predecessors, (44), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 00:33:02,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-16 00:33:02,976 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 00:33:02,977 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 00:33:02,978 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 7 more)] === [2022-10-16 00:33:02,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 00:33:02,993 INFO L85 PathProgramCache]: Analyzing trace with hash 470759201, now seen corresponding path program 1 times [2022-10-16 00:33:03,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 00:33:03,008 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098022296] [2022-10-16 00:33:03,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 00:33:03,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 00:33:03,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 00:33:03,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 00:33:03,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 00:33:03,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-10-16 00:33:03,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 00:33:03,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 00:33:03,285 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: No Interpolants at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.getInterpolants(InterpolatingTraceCheckCraig.java:273) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:400) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:229) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:336) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:262) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-10-16 00:33:03,296 INFO L158 Benchmark]: Toolchain (without parser) took 1535.16ms. Allocated memory is still 151.0MB. Free memory was 125.1MB in the beginning and 117.0MB in the end (delta: 8.1MB). Peak memory consumption was 7.6MB. Max. memory is 8.0GB. [2022-10-16 00:33:03,297 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 151.0MB. Free memory is still 121.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-10-16 00:33:03,298 INFO L158 Benchmark]: CACSL2BoogieTranslator took 300.25ms. Allocated memory is still 151.0MB. Free memory was 124.8MB in the beginning and 114.6MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-10-16 00:33:03,304 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.09ms. Allocated memory is still 151.0MB. Free memory was 114.6MB in the beginning and 112.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-10-16 00:33:03,305 INFO L158 Benchmark]: Boogie Preprocessor took 36.91ms. Allocated memory is still 151.0MB. Free memory was 112.8MB in the beginning and 111.3MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-10-16 00:33:03,306 INFO L158 Benchmark]: RCFGBuilder took 600.21ms. Allocated memory is still 151.0MB. Free memory was 111.3MB in the beginning and 131.7MB in the end (delta: -20.3MB). Peak memory consumption was 14.9MB. Max. memory is 8.0GB. [2022-10-16 00:33:03,309 INFO L158 Benchmark]: TraceAbstraction took 511.70ms. Allocated memory is still 151.0MB. Free memory was 131.1MB in the beginning and 117.0MB in the end (delta: 14.2MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-10-16 00:33:03,320 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 151.0MB. Free memory is still 121.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 300.25ms. Allocated memory is still 151.0MB. Free memory was 124.8MB in the beginning and 114.6MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 52.09ms. Allocated memory is still 151.0MB. Free memory was 114.6MB in the beginning and 112.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 36.91ms. Allocated memory is still 151.0MB. Free memory was 112.8MB in the beginning and 111.3MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 600.21ms. Allocated memory is still 151.0MB. Free memory was 111.3MB in the beginning and 131.7MB in the end (delta: -20.3MB). Peak memory consumption was 14.9MB. Max. memory is 8.0GB. * TraceAbstraction took 511.70ms. Allocated memory is still 151.0MB. Free memory was 131.1MB in the beginning and 117.0MB in the end (delta: 14.2MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: No Interpolants de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: No Interpolants: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.getInterpolants(InterpolatingTraceCheckCraig.java:273) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-10-16 00:33:03,374 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...