/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/array-fpi/sina3f.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-18 21:40:13,689 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-18 21:40:13,747 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-18 21:40:13,757 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-18 21:40:13,758 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-18 21:40:13,777 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-18 21:40:13,777 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-18 21:40:13,777 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-18 21:40:13,778 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-18 21:40:13,781 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-18 21:40:13,781 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-18 21:40:13,781 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-18 21:40:13,782 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-18 21:40:13,783 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-18 21:40:13,783 INFO L153 SettingsManager]: * Use SBE=true [2023-12-18 21:40:13,783 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-18 21:40:13,783 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-18 21:40:13,783 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-18 21:40:13,784 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-18 21:40:13,784 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-18 21:40:13,785 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-18 21:40:13,785 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-18 21:40:13,785 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-18 21:40:13,785 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-18 21:40:13,785 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-18 21:40:13,785 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-18 21:40:13,786 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-18 21:40:13,786 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-18 21:40:13,786 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-18 21:40:13,786 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-18 21:40:13,787 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-18 21:40:13,787 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-18 21:40:13,787 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-18 21:40:13,787 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-18 21:40:13,788 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-18 21:40:13,788 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-18 21:40:13,788 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-18 21:40:13,788 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-18 21:40:13,788 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-18 21:40:13,788 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-18 21:40:13,788 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-18 21:40:13,788 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-18 21:40:13,789 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-18 21:40:13,789 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-18 21:40:13,985 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-18 21:40:14,006 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-18 21:40:14,008 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-18 21:40:14,009 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-18 21:40:14,012 INFO L274 PluginConnector]: CDTParser initialized [2023-12-18 21:40:14,013 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/sina3f.c [2023-12-18 21:40:15,166 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-18 21:40:15,337 INFO L384 CDTParser]: Found 1 translation units. [2023-12-18 21:40:15,338 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-fpi/sina3f.c [2023-12-18 21:40:15,344 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/323e3051b/0ba8578db14a4dbdabe3aa0ca5964f9b/FLAG1cfd88d11 [2023-12-18 21:40:15,359 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/323e3051b/0ba8578db14a4dbdabe3aa0ca5964f9b [2023-12-18 21:40:15,361 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-18 21:40:15,362 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-18 21:40:15,365 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-18 21:40:15,365 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-18 21:40:15,368 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-18 21:40:15,368 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 09:40:15" (1/1) ... [2023-12-18 21:40:15,369 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3422b789 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:40:15, skipping insertion in model container [2023-12-18 21:40:15,369 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 09:40:15" (1/1) ... [2023-12-18 21:40:15,385 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-18 21:40:15,497 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/array-fpi/sina3f.c[589,602] [2023-12-18 21:40:15,520 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-18 21:40:15,526 INFO L202 MainTranslator]: Completed pre-run [2023-12-18 21:40:15,535 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/array-fpi/sina3f.c[589,602] [2023-12-18 21:40:15,539 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-18 21:40:15,549 INFO L206 MainTranslator]: Completed translation [2023-12-18 21:40:15,551 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:40:15 WrapperNode [2023-12-18 21:40:15,551 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-18 21:40:15,552 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-18 21:40:15,552 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-18 21:40:15,552 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-18 21:40:15,557 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:40:15" (1/1) ... [2023-12-18 21:40:15,563 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:40:15" (1/1) ... [2023-12-18 21:40:15,582 INFO L138 Inliner]: procedures = 17, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 96 [2023-12-18 21:40:15,582 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-18 21:40:15,583 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-18 21:40:15,583 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-18 21:40:15,583 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-18 21:40:15,590 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:40:15" (1/1) ... [2023-12-18 21:40:15,590 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:40:15" (1/1) ... [2023-12-18 21:40:15,598 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:40:15" (1/1) ... [2023-12-18 21:40:15,606 INFO L175 MemorySlicer]: Split 12 memory accesses to 4 slices as follows [2, 4, 4, 2]. 33 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0]. The 5 writes are split as follows [0, 2, 2, 1]. [2023-12-18 21:40:15,607 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:40:15" (1/1) ... [2023-12-18 21:40:15,607 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:40:15" (1/1) ... [2023-12-18 21:40:15,610 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:40:15" (1/1) ... [2023-12-18 21:40:15,612 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:40:15" (1/1) ... [2023-12-18 21:40:15,613 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:40:15" (1/1) ... [2023-12-18 21:40:15,614 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:40:15" (1/1) ... [2023-12-18 21:40:15,615 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-18 21:40:15,616 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-18 21:40:15,616 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-18 21:40:15,616 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-18 21:40:15,616 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:40:15" (1/1) ... [2023-12-18 21:40:15,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-18 21:40:15,638 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-18 21:40:15,669 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-18 21:40:15,676 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-18 21:40:15,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-18 21:40:15,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-18 21:40:15,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-12-18 21:40:15,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-12-18 21:40:15,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-12-18 21:40:15,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-18 21:40:15,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-12-18 21:40:15,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-12-18 21:40:15,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-12-18 21:40:15,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-12-18 21:40:15,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-18 21:40:15,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-18 21:40:15,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-18 21:40:15,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-12-18 21:40:15,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-12-18 21:40:15,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-12-18 21:40:15,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-12-18 21:40:15,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-18 21:40:15,743 INFO L241 CfgBuilder]: Building ICFG [2023-12-18 21:40:15,745 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-18 21:40:15,840 INFO L282 CfgBuilder]: Performing block encoding [2023-12-18 21:40:15,860 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-18 21:40:15,860 INFO L309 CfgBuilder]: Removed 5 assume(true) statements. [2023-12-18 21:40:15,860 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 09:40:15 BoogieIcfgContainer [2023-12-18 21:40:15,860 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-18 21:40:15,862 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-18 21:40:15,862 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-18 21:40:15,865 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-18 21:40:15,866 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 09:40:15" (1/3) ... [2023-12-18 21:40:15,866 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4224052c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 09:40:15, skipping insertion in model container [2023-12-18 21:40:15,866 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:40:15" (2/3) ... [2023-12-18 21:40:15,866 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4224052c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 09:40:15, skipping insertion in model container [2023-12-18 21:40:15,866 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 09:40:15" (3/3) ... [2023-12-18 21:40:15,867 INFO L112 eAbstractionObserver]: Analyzing ICFG sina3f.c [2023-12-18 21:40:15,879 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-18 21:40:15,879 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-18 21:40:15,907 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-18 21:40:15,911 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=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@6f2d4cbb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-18 21:40:15,912 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-18 21:40:15,914 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 18 states have (on average 1.7777777777777777) internal successors, (32), 19 states have internal predecessors, (32), 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) [2023-12-18 21:40:15,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-18 21:40:15,918 INFO L187 NwaCegarLoop]: Found error trace [2023-12-18 21:40:15,918 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-18 21:40:15,918 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-18 21:40:15,922 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-18 21:40:15,922 INFO L85 PathProgramCache]: Analyzing trace with hash -270928915, now seen corresponding path program 1 times [2023-12-18 21:40:15,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-18 21:40:15,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015041637] [2023-12-18 21:40:15,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-18 21:40:15,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-18 21:40:16,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 21:40:16,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-18 21:40:16,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-18 21:40:16,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015041637] [2023-12-18 21:40:16,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015041637] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-18 21:40:16,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-18 21:40:16,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-18 21:40:16,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497715225] [2023-12-18 21:40:16,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-18 21:40:16,085 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-18 21:40:16,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-18 21:40:16,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-18 21:40:16,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-18 21:40:16,112 INFO L87 Difference]: Start difference. First operand has 20 states, 18 states have (on average 1.7777777777777777) internal successors, (32), 19 states have internal predecessors, (32), 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 2 states, 2 states have (on average 7.5) internal successors, (15), 2 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) [2023-12-18 21:40:16,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-18 21:40:16,134 INFO L93 Difference]: Finished difference Result 37 states and 59 transitions. [2023-12-18 21:40:16,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-18 21:40:16,136 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 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) Word has length 15 [2023-12-18 21:40:16,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-18 21:40:16,141 INFO L225 Difference]: With dead ends: 37 [2023-12-18 21:40:16,141 INFO L226 Difference]: Without dead ends: 17 [2023-12-18 21:40:16,143 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-18 21:40:16,145 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-18 21:40:16,146 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 18 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-18 21:40:16,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2023-12-18 21:40:16,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2023-12-18 21:40:16,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 16 states have (on average 1.3125) internal successors, (21), 16 states have internal predecessors, (21), 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) [2023-12-18 21:40:16,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 21 transitions. [2023-12-18 21:40:16,167 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 21 transitions. Word has length 15 [2023-12-18 21:40:16,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-18 21:40:16,167 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 21 transitions. [2023-12-18 21:40:16,168 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 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) [2023-12-18 21:40:16,168 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2023-12-18 21:40:16,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-18 21:40:16,168 INFO L187 NwaCegarLoop]: Found error trace [2023-12-18 21:40:16,168 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-18 21:40:16,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-18 21:40:16,169 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-18 21:40:16,169 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-18 21:40:16,169 INFO L85 PathProgramCache]: Analyzing trace with hash -863276055, now seen corresponding path program 1 times [2023-12-18 21:40:16,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-18 21:40:16,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429478165] [2023-12-18 21:40:16,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-18 21:40:16,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-18 21:40:16,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 21:40:16,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-18 21:40:16,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-18 21:40:16,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429478165] [2023-12-18 21:40:16,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1429478165] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-18 21:40:16,307 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-18 21:40:16,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-18 21:40:16,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853662357] [2023-12-18 21:40:16,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-18 21:40:16,311 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-18 21:40:16,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-18 21:40:16,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-18 21:40:16,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-18 21:40:16,312 INFO L87 Difference]: Start difference. First operand 17 states and 21 transitions. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 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) [2023-12-18 21:40:16,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-18 21:40:16,360 INFO L93 Difference]: Finished difference Result 38 states and 49 transitions. [2023-12-18 21:40:16,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-18 21:40:16,360 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 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) Word has length 15 [2023-12-18 21:40:16,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-18 21:40:16,361 INFO L225 Difference]: With dead ends: 38 [2023-12-18 21:40:16,361 INFO L226 Difference]: Without dead ends: 26 [2023-12-18 21:40:16,361 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-18 21:40:16,362 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 30 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-18 21:40:16,363 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 13 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-18 21:40:16,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2023-12-18 21:40:16,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 21. [2023-12-18 21:40:16,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 20 states have (on average 1.25) internal successors, (25), 20 states have internal predecessors, (25), 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) [2023-12-18 21:40:16,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2023-12-18 21:40:16,367 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 15 [2023-12-18 21:40:16,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-18 21:40:16,367 INFO L495 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2023-12-18 21:40:16,368 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 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) [2023-12-18 21:40:16,368 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2023-12-18 21:40:16,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-18 21:40:16,370 INFO L187 NwaCegarLoop]: Found error trace [2023-12-18 21:40:16,370 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-18 21:40:16,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-18 21:40:16,371 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-18 21:40:16,372 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-18 21:40:16,372 INFO L85 PathProgramCache]: Analyzing trace with hash 1570117358, now seen corresponding path program 1 times [2023-12-18 21:40:16,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-18 21:40:16,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800986014] [2023-12-18 21:40:16,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-18 21:40:16,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-18 21:40:16,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-18 21:40:16,426 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-18 21:40:16,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-18 21:40:16,495 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-12-18 21:40:16,495 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-18 21:40:16,498 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-18 21:40:16,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-18 21:40:16,502 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-12-18 21:40:16,504 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-18 21:40:16,522 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.12 09:40:16 BoogieIcfgContainer [2023-12-18 21:40:16,522 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-18 21:40:16,523 INFO L158 Benchmark]: Toolchain (without parser) took 1161.06ms. Allocated memory is still 268.4MB. Free memory was 227.8MB in the beginning and 235.3MB in the end (delta: -7.4MB). Peak memory consumption was 73.8MB. Max. memory is 8.0GB. [2023-12-18 21:40:16,523 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 180.4MB. Free memory was 133.8MB in the beginning and 133.7MB in the end (delta: 75.5kB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-18 21:40:16,524 INFO L158 Benchmark]: CACSL2BoogieTranslator took 186.94ms. Allocated memory is still 268.4MB. Free memory was 227.8MB in the beginning and 216.3MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-12-18 21:40:16,524 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.02ms. Allocated memory is still 268.4MB. Free memory was 216.3MB in the beginning and 214.7MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-12-18 21:40:16,524 INFO L158 Benchmark]: Boogie Preprocessor took 32.57ms. Allocated memory is still 268.4MB. Free memory was 214.7MB in the beginning and 212.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-18 21:40:16,525 INFO L158 Benchmark]: RCFGBuilder took 244.89ms. Allocated memory is still 268.4MB. Free memory was 212.7MB in the beginning and 198.5MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2023-12-18 21:40:16,525 INFO L158 Benchmark]: TraceAbstraction took 660.40ms. Allocated memory is still 268.4MB. Free memory was 198.0MB in the beginning and 235.3MB in the end (delta: -37.2MB). Peak memory consumption was 44.4MB. Max. memory is 8.0GB. [2023-12-18 21:40:16,527 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 180.4MB. Free memory was 133.8MB in the beginning and 133.7MB in the end (delta: 75.5kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 186.94ms. Allocated memory is still 268.4MB. Free memory was 227.8MB in the beginning and 216.3MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 30.02ms. Allocated memory is still 268.4MB. Free memory was 216.3MB in the beginning and 214.7MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 32.57ms. Allocated memory is still 268.4MB. Free memory was 214.7MB in the beginning and 212.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 244.89ms. Allocated memory is still 268.4MB. Free memory was 212.7MB in the beginning and 198.5MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 660.40ms. Allocated memory is still 268.4MB. Free memory was 198.0MB in the beginning and 235.3MB in the end (delta: -37.2MB). Peak memory consumption was 44.4MB. 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 - CounterExampleResult [Line: 15]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L19] int N; [L23] N = __VERIFIER_nondet_int() [L24] COND FALSE !(N <= 0) [L25] CALL assume_abort_if_not(N <= 2147483647/sizeof(int)) [L13] COND FALSE !(!cond) VAL [N=1, \old(cond)=1, cond=1] [L25] RET assume_abort_if_not(N <= 2147483647/sizeof(int)) [L27] int i; [L28] long long sum[1]; [L29] long long *a = malloc(sizeof(long long)*N); [L30] int *b = malloc(sizeof(int)*N); [L32] sum[0] = 1 [L33] i=0 VAL [N=1, a={-3:0}, b={-2:0}, i=0, sum={5:0}] [L33] COND TRUE i