/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_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/array-fpi/ss2f.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-21 21:14:41,569 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-21 21:14:41,634 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-21 21:14:41,637 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-21 21:14:41,638 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-21 21:14:41,658 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-21 21:14:41,659 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-21 21:14:41,659 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-21 21:14:41,659 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-21 21:14:41,662 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-21 21:14:41,662 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-21 21:14:41,663 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-21 21:14:41,663 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-21 21:14:41,664 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-21 21:14:41,664 INFO L153 SettingsManager]: * Use SBE=true [2023-12-21 21:14:41,665 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-21 21:14:41,665 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-21 21:14:41,665 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-21 21:14:41,665 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-21 21:14:41,665 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-21 21:14:41,666 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-21 21:14:41,666 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-21 21:14:41,666 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-21 21:14:41,666 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-21 21:14:41,666 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-21 21:14:41,667 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-21 21:14:41,667 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-21 21:14:41,667 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-21 21:14:41,667 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-21 21:14:41,667 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-21 21:14:41,668 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-21 21:14:41,668 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-21 21:14:41,668 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-21 21:14:41,668 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-21 21:14:41,668 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-21 21:14:41,668 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-21 21:14:41,669 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-21 21:14:41,669 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-21 21:14:41,669 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-21 21:14:41,669 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-21 21:14:41,669 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-21 21:14:41,669 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-21 21:14:41,669 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-21 21:14:41,669 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-21 21:14:41,670 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-21 21:14:41,670 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-21 21:14:41,670 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-21 21:14:41,858 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-21 21:14:41,879 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-21 21:14:41,881 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-21 21:14:41,881 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-21 21:14:41,881 INFO L274 PluginConnector]: CDTParser initialized [2023-12-21 21:14:41,883 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/ss2f.c [2023-12-21 21:14:42,935 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-21 21:14:43,095 INFO L384 CDTParser]: Found 1 translation units. [2023-12-21 21:14:43,096 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-fpi/ss2f.c [2023-12-21 21:14:43,102 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d9dc31fc/6a5e22343ec54dd7a0855115b092a4dd/FLAG935006865 [2023-12-21 21:14:43,115 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d9dc31fc/6a5e22343ec54dd7a0855115b092a4dd [2023-12-21 21:14:43,116 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-21 21:14:43,117 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-21 21:14:43,120 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-21 21:14:43,120 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-21 21:14:43,123 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-21 21:14:43,124 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 09:14:43" (1/1) ... [2023-12-21 21:14:43,124 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dba596b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:14:43, skipping insertion in model container [2023-12-21 21:14:43,124 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 09:14:43" (1/1) ... [2023-12-21 21:14:43,141 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-21 21:14:43,242 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/ss2f.c[587,600] [2023-12-21 21:14:43,259 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-21 21:14:43,277 INFO L202 MainTranslator]: Completed pre-run [2023-12-21 21:14:43,286 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/ss2f.c[587,600] [2023-12-21 21:14:43,295 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-21 21:14:43,305 INFO L206 MainTranslator]: Completed translation [2023-12-21 21:14:43,306 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:14:43 WrapperNode [2023-12-21 21:14:43,306 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-21 21:14:43,307 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-21 21:14:43,307 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-21 21:14:43,307 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-21 21:14:43,311 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:14:43" (1/1) ... [2023-12-21 21:14:43,323 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:14:43" (1/1) ... [2023-12-21 21:14:43,337 INFO L138 Inliner]: procedures = 19, calls = 36, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 125 [2023-12-21 21:14:43,337 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-21 21:14:43,338 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-21 21:14:43,338 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-21 21:14:43,338 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-21 21:14:43,346 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:14:43" (1/1) ... [2023-12-21 21:14:43,347 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:14:43" (1/1) ... [2023-12-21 21:14:43,349 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:14:43" (1/1) ... [2023-12-21 21:14:43,370 INFO L175 MemorySlicer]: Split 25 memory accesses to 4 slices as follows [2, 7, 7, 9]. 36 percent of accesses are in the largest equivalence class. The 9 initializations are split as follows [2, 7, 0, 0]. The 7 writes are split as follows [0, 0, 3, 4]. [2023-12-21 21:14:43,371 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:14:43" (1/1) ... [2023-12-21 21:14:43,371 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:14:43" (1/1) ... [2023-12-21 21:14:43,382 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:14:43" (1/1) ... [2023-12-21 21:14:43,385 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:14:43" (1/1) ... [2023-12-21 21:14:43,386 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:14:43" (1/1) ... [2023-12-21 21:14:43,387 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:14:43" (1/1) ... [2023-12-21 21:14:43,400 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-21 21:14:43,400 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-21 21:14:43,400 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-21 21:14:43,400 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-21 21:14:43,401 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:14:43" (1/1) ... [2023-12-21 21:14:43,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-21 21:14:43,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 21:14:43,427 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) [2023-12-21 21:14:43,430 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 [2023-12-21 21:14:43,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-21 21:14:43,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-21 21:14:43,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-12-21 21:14:43,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2023-12-21 21:14:43,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2023-12-21 21:14:43,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-21 21:14:43,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2023-12-21 21:14:43,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2023-12-21 21:14:43,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2023-12-21 21:14:43,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2023-12-21 21:14:43,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-21 21:14:43,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-21 21:14:43,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-21 21:14:43,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2023-12-21 21:14:43,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2023-12-21 21:14:43,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2023-12-21 21:14:43,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2023-12-21 21:14:43,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-21 21:14:43,505 INFO L241 CfgBuilder]: Building ICFG [2023-12-21 21:14:43,507 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-21 21:14:43,729 INFO L282 CfgBuilder]: Performing block encoding [2023-12-21 21:14:43,755 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-21 21:14:43,756 INFO L309 CfgBuilder]: Removed 7 assume(true) statements. [2023-12-21 21:14:43,756 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 09:14:43 BoogieIcfgContainer [2023-12-21 21:14:43,756 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-21 21:14:43,757 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-21 21:14:43,758 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-21 21:14:43,760 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-21 21:14:43,760 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 09:14:43" (1/3) ... [2023-12-21 21:14:43,760 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cef7226 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 09:14:43, skipping insertion in model container [2023-12-21 21:14:43,760 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:14:43" (2/3) ... [2023-12-21 21:14:43,761 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cef7226 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 09:14:43, skipping insertion in model container [2023-12-21 21:14:43,761 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 09:14:43" (3/3) ... [2023-12-21 21:14:43,762 INFO L112 eAbstractionObserver]: Analyzing ICFG ss2f.c [2023-12-21 21:14:43,774 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-21 21:14:43,774 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-21 21:14:43,808 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-21 21:14:43,813 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;@36837bfb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-21 21:14:43,813 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-21 21:14:43,825 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 22 states have (on average 1.8181818181818181) internal successors, (40), 23 states have internal predecessors, (40), 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) [2023-12-21 21:14:43,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-21 21:14:43,833 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 21:14:43,834 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 21:14:43,834 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 21:14:43,838 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 21:14:43,838 INFO L85 PathProgramCache]: Analyzing trace with hash 1469922789, now seen corresponding path program 1 times [2023-12-21 21:14:43,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-21 21:14:43,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [53429808] [2023-12-21 21:14:43,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 21:14:43,847 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-21 21:14:43,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-21 21:14:43,850 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-21 21:14:43,860 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-21 21:14:43,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 21:14:43,937 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-21 21:14:43,940 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 21:14:43,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-21 21:14:43,959 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 21:14:43,960 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-21 21:14:43,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [53429808] [2023-12-21 21:14:43,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [53429808] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 21:14:43,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 21:14:43,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-21 21:14:43,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098665167] [2023-12-21 21:14:43,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 21:14:43,966 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-21 21:14:43,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-21 21:14:43,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-21 21:14:43,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-21 21:14:43,987 INFO L87 Difference]: Start difference. First operand has 24 states, 22 states have (on average 1.8181818181818181) internal successors, (40), 23 states have internal predecessors, (40), 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 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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) [2023-12-21 21:14:44,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 21:14:44,039 INFO L93 Difference]: Finished difference Result 45 states and 75 transitions. [2023-12-21 21:14:44,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-21 21:14:44,041 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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 19 [2023-12-21 21:14:44,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 21:14:44,057 INFO L225 Difference]: With dead ends: 45 [2023-12-21 21:14:44,057 INFO L226 Difference]: Without dead ends: 21 [2023-12-21 21:14:44,059 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-21 21:14:44,064 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-21 21:14:44,065 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 22 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-21 21:14:44,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2023-12-21 21:14:44,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2023-12-21 21:14:44,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 20 states have (on average 1.35) internal successors, (27), 20 states have internal predecessors, (27), 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) [2023-12-21 21:14:44,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 27 transitions. [2023-12-21 21:14:44,088 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 27 transitions. Word has length 19 [2023-12-21 21:14:44,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 21:14:44,089 INFO L495 AbstractCegarLoop]: Abstraction has 21 states and 27 transitions. [2023-12-21 21:14:44,089 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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) [2023-12-21 21:14:44,089 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2023-12-21 21:14:44,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-21 21:14:44,089 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 21:14:44,089 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 21:14:44,094 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-12-21 21:14:44,292 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-21 21:14:44,292 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 21:14:44,293 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 21:14:44,293 INFO L85 PathProgramCache]: Analyzing trace with hash 1100771157, now seen corresponding path program 1 times [2023-12-21 21:14:44,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-21 21:14:44,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [900884342] [2023-12-21 21:14:44,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 21:14:44,294 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-21 21:14:44,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-21 21:14:44,295 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-21 21:14:44,325 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-21 21:14:44,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 21:14:44,355 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-21 21:14:44,356 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 21:14:44,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-21 21:14:44,437 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 21:14:44,438 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-21 21:14:44,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [900884342] [2023-12-21 21:14:44,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [900884342] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 21:14:44,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 21:14:44,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-21 21:14:44,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177607155] [2023-12-21 21:14:44,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 21:14:44,439 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-21 21:14:44,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-21 21:14:44,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-21 21:14:44,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-21 21:14:44,440 INFO L87 Difference]: Start difference. First operand 21 states and 27 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 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) [2023-12-21 21:14:44,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 21:14:44,578 INFO L93 Difference]: Finished difference Result 48 states and 65 transitions. [2023-12-21 21:14:44,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-21 21:14:44,581 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 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 19 [2023-12-21 21:14:44,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 21:14:44,581 INFO L225 Difference]: With dead ends: 48 [2023-12-21 21:14:44,581 INFO L226 Difference]: Without dead ends: 32 [2023-12-21 21:14:44,582 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-12-21 21:14:44,582 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 39 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-21 21:14:44,583 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 22 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-21 21:14:44,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2023-12-21 21:14:44,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 27. [2023-12-21 21:14:44,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.2692307692307692) internal successors, (33), 26 states have internal predecessors, (33), 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) [2023-12-21 21:14:44,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 33 transitions. [2023-12-21 21:14:44,587 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 33 transitions. Word has length 19 [2023-12-21 21:14:44,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 21:14:44,588 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 33 transitions. [2023-12-21 21:14:44,588 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 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) [2023-12-21 21:14:44,588 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2023-12-21 21:14:44,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-21 21:14:44,588 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 21:14:44,589 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 21:14:44,593 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-12-21 21:14:44,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-21 21:14:44,791 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 21:14:44,791 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 21:14:44,792 INFO L85 PathProgramCache]: Analyzing trace with hash -557488346, now seen corresponding path program 1 times [2023-12-21 21:14:44,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-21 21:14:44,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1627544241] [2023-12-21 21:14:44,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 21:14:44,792 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-21 21:14:44,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-21 21:14:44,796 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-21 21:14:44,803 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-12-21 21:14:44,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-21 21:14:44,979 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-21 21:14:45,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-21 21:14:45,132 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2023-12-21 21:14:45,133 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-21 21:14:45,133 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-21 21:14:45,142 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-12-21 21:14:45,335 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-21 21:14:45,338 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-12-21 21:14:45,340 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-21 21:14:45,359 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.12 09:14:45 BoogieIcfgContainer [2023-12-21 21:14:45,359 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-21 21:14:45,360 INFO L158 Benchmark]: Toolchain (without parser) took 2242.11ms. Allocated memory is still 254.8MB. Free memory was 199.5MB in the beginning and 180.8MB in the end (delta: 18.7MB). Peak memory consumption was 19.5MB. Max. memory is 8.0GB. [2023-12-21 21:14:45,360 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 211.8MB. Free memory is still 160.3MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-21 21:14:45,360 INFO L158 Benchmark]: CACSL2BoogieTranslator took 186.33ms. Allocated memory is still 254.8MB. Free memory was 199.3MB in the beginning and 187.0MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2023-12-21 21:14:45,360 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.78ms. Allocated memory is still 254.8MB. Free memory was 187.0MB in the beginning and 184.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-21 21:14:45,361 INFO L158 Benchmark]: Boogie Preprocessor took 61.90ms. Allocated memory is still 254.8MB. Free memory was 184.9MB in the beginning and 182.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-21 21:14:45,361 INFO L158 Benchmark]: RCFGBuilder took 355.82ms. Allocated memory is still 254.8MB. Free memory was 182.5MB in the beginning and 162.6MB in the end (delta: 19.9MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2023-12-21 21:14:45,361 INFO L158 Benchmark]: TraceAbstraction took 1601.69ms. Allocated memory is still 254.8MB. Free memory was 161.8MB in the beginning and 180.8MB in the end (delta: -19.0MB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-21 21:14:45,362 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 211.8MB. Free memory is still 160.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 186.33ms. Allocated memory is still 254.8MB. Free memory was 199.3MB in the beginning and 187.0MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 30.78ms. Allocated memory is still 254.8MB. Free memory was 187.0MB in the beginning and 184.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 61.90ms. Allocated memory is still 254.8MB. Free memory was 184.9MB in the beginning and 182.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 355.82ms. Allocated memory is still 254.8MB. Free memory was 182.5MB in the beginning and 162.6MB in the end (delta: 19.9MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * TraceAbstraction took 1601.69ms. Allocated memory is still 254.8MB. Free memory was 161.8MB in the beginning and 180.8MB in the end (delta: -19.0MB). 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 - 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); [L31] sum[0] = 0 [L32] i=0 VAL [N=1, a={7:0}, i=0, sum={15:0}] [L32] COND TRUE i