/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/xcsp/Dubois-050.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-25 12:19:23,239 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-25 12:19:23,314 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-25 12:19:23,318 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-25 12:19:23,319 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-25 12:19:23,342 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-25 12:19:23,343 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-25 12:19:23,343 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-25 12:19:23,344 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-25 12:19:23,347 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-25 12:19:23,347 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-25 12:19:23,348 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-25 12:19:23,348 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-25 12:19:23,349 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-25 12:19:23,349 INFO L153 SettingsManager]: * Use SBE=true [2023-12-25 12:19:23,350 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-25 12:19:23,350 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-25 12:19:23,350 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-25 12:19:23,350 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-25 12:19:23,350 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-25 12:19:23,351 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-25 12:19:23,351 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-25 12:19:23,351 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-25 12:19:23,351 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-25 12:19:23,352 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-25 12:19:23,352 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-25 12:19:23,352 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-25 12:19:23,352 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-25 12:19:23,352 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-25 12:19:23,353 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-25 12:19:23,353 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-25 12:19:23,354 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-25 12:19:23,354 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-25 12:19:23,354 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-25 12:19:23,354 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-25 12:19:23,354 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-25 12:19:23,354 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-25 12:19:23,354 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-25 12:19:23,355 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-25 12:19:23,355 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-25 12:19:23,355 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-25 12:19:23,355 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-25 12:19:23,355 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-25 12:19:23,355 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-25 12:19:23,356 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-25 12:19:23,356 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-25 12:19:23,356 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-25 12:19:23,580 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-25 12:19:23,605 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-25 12:19:23,608 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-25 12:19:23,609 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-25 12:19:23,624 INFO L274 PluginConnector]: CDTParser initialized [2023-12-25 12:19:23,626 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/xcsp/Dubois-050.c [2023-12-25 12:19:24,930 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-25 12:19:25,245 INFO L384 CDTParser]: Found 1 translation units. [2023-12-25 12:19:25,246 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/xcsp/Dubois-050.c [2023-12-25 12:19:25,264 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2ad95c44/1c3073df79e54707a83ddeaa0c10c704/FLAGc97f9cd0d [2023-12-25 12:19:25,275 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2ad95c44/1c3073df79e54707a83ddeaa0c10c704 [2023-12-25 12:19:25,277 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-25 12:19:25,278 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-25 12:19:25,279 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-25 12:19:25,279 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-25 12:19:25,283 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-25 12:19:25,283 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 12:19:25" (1/1) ... [2023-12-25 12:19:25,284 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7910a786 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 12:19:25, skipping insertion in model container [2023-12-25 12:19:25,284 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 12:19:25" (1/1) ... [2023-12-25 12:19:25,329 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-25 12:19:25,622 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/xcsp/Dubois-050.c[35520,35533] [2023-12-25 12:19:25,631 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 12:19:25,641 INFO L202 MainTranslator]: Completed pre-run [2023-12-25 12:19:25,700 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/xcsp/Dubois-050.c[35520,35533] [2023-12-25 12:19:25,705 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 12:19:25,722 INFO L206 MainTranslator]: Completed translation [2023-12-25 12:19:25,723 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 12:19:25 WrapperNode [2023-12-25 12:19:25,723 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-25 12:19:25,724 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-25 12:19:25,724 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-25 12:19:25,724 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-25 12:19:25,730 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 12:19:25" (1/1) ... [2023-12-25 12:19:25,773 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 12:19:25" (1/1) ... [2023-12-25 12:19:25,867 INFO L138 Inliner]: procedures = 13, calls = 407, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1016 [2023-12-25 12:19:25,867 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-25 12:19:25,868 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-25 12:19:25,868 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-25 12:19:25,868 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-25 12:19:25,877 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 12:19:25" (1/1) ... [2023-12-25 12:19:25,877 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 12:19:25" (1/1) ... [2023-12-25 12:19:25,895 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 12:19:25" (1/1) ... [2023-12-25 12:19:25,943 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-12-25 12:19:25,944 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 12:19:25" (1/1) ... [2023-12-25 12:19:25,944 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 12:19:25" (1/1) ... [2023-12-25 12:19:25,988 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 12:19:25" (1/1) ... [2023-12-25 12:19:25,991 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 12:19:25" (1/1) ... [2023-12-25 12:19:26,013 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 12:19:25" (1/1) ... [2023-12-25 12:19:26,020 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 12:19:25" (1/1) ... [2023-12-25 12:19:26,050 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-25 12:19:26,052 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-25 12:19:26,052 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-25 12:19:26,052 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-25 12:19:26,053 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 12:19:25" (1/1) ... [2023-12-25 12:19:26,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-25 12:19:26,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-25 12:19:26,106 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) [2023-12-25 12:19:26,129 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 [2023-12-25 12:19:26,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-25 12:19:26,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-25 12:19:26,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-25 12:19:26,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-25 12:19:26,137 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2023-12-25 12:19:26,137 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2023-12-25 12:19:26,253 INFO L241 CfgBuilder]: Building ICFG [2023-12-25 12:19:26,255 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-25 12:19:27,169 INFO L282 CfgBuilder]: Performing block encoding [2023-12-25 12:19:27,229 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-25 12:19:27,230 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-25 12:19:27,230 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 12:19:27 BoogieIcfgContainer [2023-12-25 12:19:27,231 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-25 12:19:27,232 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-25 12:19:27,232 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-25 12:19:27,235 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-25 12:19:27,235 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.12 12:19:25" (1/3) ... [2023-12-25 12:19:27,236 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@539e70bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 12:19:27, skipping insertion in model container [2023-12-25 12:19:27,236 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 12:19:25" (2/3) ... [2023-12-25 12:19:27,237 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@539e70bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 12:19:27, skipping insertion in model container [2023-12-25 12:19:27,237 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 12:19:27" (3/3) ... [2023-12-25 12:19:27,238 INFO L112 eAbstractionObserver]: Analyzing ICFG Dubois-050.c [2023-12-25 12:19:27,251 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-25 12:19:27,252 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-25 12:19:27,315 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-25 12:19:27,319 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;@6ee72b00, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-25 12:19:27,319 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-25 12:19:27,325 INFO L276 IsEmpty]: Start isEmpty. Operand has 558 states, 155 states have (on average 1.0129032258064516) internal successors, (157), 156 states have internal predecessors, (157), 400 states have call successors, (400), 1 states have call predecessors, (400), 1 states have return successors, (400), 400 states have call predecessors, (400), 400 states have call successors, (400) [2023-12-25 12:19:27,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2153 [2023-12-25 12:19:27,433 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 12:19:27,435 INFO L195 NwaCegarLoop]: trace histogram [400, 400, 400, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 1, 1] [2023-12-25 12:19:27,436 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 12:19:27,440 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 12:19:27,441 INFO L85 PathProgramCache]: Analyzing trace with hash -1091192599, now seen corresponding path program 1 times [2023-12-25 12:19:27,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 12:19:27,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1354583133] [2023-12-25 12:19:27,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 12:19:27,458 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 [2023-12-25 12:19:27,458 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 12:19:27,468 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) [2023-12-25 12:19:27,501 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 [2023-12-25 12:19:28,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 12:19:28,716 INFO L262 TraceCheckSpWp]: Trace formula consists of 2964 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-25 12:19:28,772 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 12:19:28,918 INFO L134 CoverageAnalysis]: Checked inductivity of 319200 backedges. 5550 proven. 0 refuted. 0 times theorem prover too weak. 313650 trivial. 0 not checked. [2023-12-25 12:19:28,918 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 12:19:28,919 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 12:19:28,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1354583133] [2023-12-25 12:19:28,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1354583133] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 12:19:28,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 12:19:28,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-25 12:19:28,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499838608] [2023-12-25 12:19:28,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 12:19:28,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-25 12:19:28,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 12:19:28,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-25 12:19:28,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-25 12:19:28,980 INFO L87 Difference]: Start difference. First operand has 558 states, 155 states have (on average 1.0129032258064516) internal successors, (157), 156 states have internal predecessors, (157), 400 states have call successors, (400), 1 states have call predecessors, (400), 1 states have return successors, (400), 400 states have call predecessors, (400), 400 states have call successors, (400) Second operand has 2 states, 2 states have (on average 79.5) internal successors, (159), 2 states have internal predecessors, (159), 2 states have call successors, (400), 2 states have call predecessors, (400), 2 states have return successors, (400), 2 states have call predecessors, (400), 2 states have call successors, (400) [2023-12-25 12:19:29,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 12:19:29,142 INFO L93 Difference]: Finished difference Result 1113 states and 2311 transitions. [2023-12-25 12:19:29,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-25 12:19:29,145 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 79.5) internal successors, (159), 2 states have internal predecessors, (159), 2 states have call successors, (400), 2 states have call predecessors, (400), 2 states have return successors, (400), 2 states have call predecessors, (400), 2 states have call successors, (400) Word has length 2152 [2023-12-25 12:19:29,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 12:19:29,166 INFO L225 Difference]: With dead ends: 1113 [2023-12-25 12:19:29,167 INFO L226 Difference]: Without dead ends: 557 [2023-12-25 12:19:29,177 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2151 GetRequests, 2151 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-25 12:19:29,180 INFO L413 NwaCegarLoop]: 954 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 954 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 12:19:29,181 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 954 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 12:19:29,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 557 states. [2023-12-25 12:19:29,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 557 to 557. [2023-12-25 12:19:29,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 557 states, 155 states have (on average 1.0) internal successors, (155), 155 states have internal predecessors, (155), 400 states have call successors, (400), 1 states have call predecessors, (400), 1 states have return successors, (400), 400 states have call predecessors, (400), 400 states have call successors, (400) [2023-12-25 12:19:29,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 557 states and 955 transitions. [2023-12-25 12:19:29,457 INFO L78 Accepts]: Start accepts. Automaton has 557 states and 955 transitions. Word has length 2152 [2023-12-25 12:19:29,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 12:19:29,457 INFO L495 AbstractCegarLoop]: Abstraction has 557 states and 955 transitions. [2023-12-25 12:19:29,458 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 79.5) internal successors, (159), 2 states have internal predecessors, (159), 2 states have call successors, (400), 2 states have call predecessors, (400), 2 states have return successors, (400), 2 states have call predecessors, (400), 2 states have call successors, (400) [2023-12-25 12:19:29,459 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 955 transitions. [2023-12-25 12:19:29,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2153 [2023-12-25 12:19:29,517 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 12:19:29,518 INFO L195 NwaCegarLoop]: trace histogram [400, 400, 400, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 1, 1] [2023-12-25 12:19:29,551 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 [2023-12-25 12:19:29,740 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 [2023-12-25 12:19:29,741 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 12:19:29,741 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 12:19:29,742 INFO L85 PathProgramCache]: Analyzing trace with hash 1340965481, now seen corresponding path program 1 times [2023-12-25 12:19:29,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 12:19:29,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1326111544] [2023-12-25 12:19:29,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 12:19:29,747 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 [2023-12-25 12:19:29,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 12:19:29,749 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) [2023-12-25 12:19:29,782 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 Received shutdown request... [2023-12-25 12:34:13,480 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-25 12:34:13,481 WARN L340 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)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-25 12:34:14,503 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 [2023-12-25 12:34:14,686 WARN L435 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)] Forcibly destroying the process [2023-12-25 12:34:14,884 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 (3)] Forceful destruction successful, exit code 137 [2023-12-25 12:34:14,886 ERROR L246 FreeRefinementEngine]: Caught known exception: Timeout or Toolchain cancelled by user [2023-12-25 12:34:14,888 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-25 12:34:14,888 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 2153 with TraceHistMax 400,while AutomatonFreeRefinementEngine was Timeout during feasibility check between IpTcStrategyModuleMathsat [1326111544] and IpTcStrategyModuleCvc4 [1801762473]. [2023-12-25 12:34:14,898 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-12-25 12:34:14,905 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-25 12:34:14,911 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.12 12:34:14 BoogieIcfgContainer [2023-12-25 12:34:14,911 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-25 12:34:14,913 INFO L158 Benchmark]: Toolchain (without parser) took 889633.88ms. Allocated memory was 297.8MB in the beginning and 455.1MB in the end (delta: 157.3MB). Free memory was 243.6MB in the beginning and 219.5MB in the end (delta: 24.2MB). Peak memory consumption was 182.5MB. Max. memory is 8.0GB. [2023-12-25 12:34:14,922 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 188.7MB. Free memory is still 135.2MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-25 12:34:14,923 INFO L158 Benchmark]: CACSL2BoogieTranslator took 444.66ms. Allocated memory is still 297.8MB. Free memory was 243.6MB in the beginning and 197.5MB in the end (delta: 46.1MB). Peak memory consumption was 46.1MB. Max. memory is 8.0GB. [2023-12-25 12:34:14,924 INFO L158 Benchmark]: Boogie Procedure Inliner took 143.42ms. Allocated memory is still 297.8MB. Free memory was 197.5MB in the beginning and 251.5MB in the end (delta: -54.0MB). Peak memory consumption was 8.9MB. Max. memory is 8.0GB. [2023-12-25 12:34:14,924 INFO L158 Benchmark]: Boogie Preprocessor took 182.71ms. Allocated memory is still 297.8MB. Free memory was 251.5MB in the beginning and 243.1MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2023-12-25 12:34:14,931 INFO L158 Benchmark]: RCFGBuilder took 1179.06ms. Allocated memory is still 297.8MB. Free memory was 243.1MB in the beginning and 237.6MB in the end (delta: 5.5MB). Peak memory consumption was 100.4MB. Max. memory is 8.0GB. [2023-12-25 12:34:14,931 INFO L158 Benchmark]: TraceAbstraction took 887678.83ms. Allocated memory was 297.8MB in the beginning and 455.1MB in the end (delta: 157.3MB). Free memory was 236.6MB in the beginning and 219.5MB in the end (delta: 17.1MB). Peak memory consumption was 173.9MB. Max. memory is 8.0GB. [2023-12-25 12:34:14,933 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 188.7MB. Free memory is still 135.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 444.66ms. Allocated memory is still 297.8MB. Free memory was 243.6MB in the beginning and 197.5MB in the end (delta: 46.1MB). Peak memory consumption was 46.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 143.42ms. Allocated memory is still 297.8MB. Free memory was 197.5MB in the beginning and 251.5MB in the end (delta: -54.0MB). Peak memory consumption was 8.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 182.71ms. Allocated memory is still 297.8MB. Free memory was 251.5MB in the beginning and 243.1MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * RCFGBuilder took 1179.06ms. Allocated memory is still 297.8MB. Free memory was 243.1MB in the beginning and 237.6MB in the end (delta: 5.5MB). Peak memory consumption was 100.4MB. Max. memory is 8.0GB. * TraceAbstraction took 887678.83ms. Allocated memory was 297.8MB in the beginning and 455.1MB in the end (delta: 157.3MB). Free memory was 236.6MB in the beginning and 219.5MB in the end (delta: 17.1MB). Peak memory consumption was 173.9MB. 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 - TimeoutResultAtElement [Line: 1026]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 1026). Cancelled while NwaCegarLoop was analyzing trace of length 2153 with TraceHistMax 400,while AutomatonFreeRefinementEngine was Timeout during feasibility check between IpTcStrategyModuleMathsat [1326111544] and IpTcStrategyModuleCvc4 [1801762473]. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 558 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 887.6s, OverallIterations: 2, TraceHistogramMax: 400, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 954 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1 IncrementalHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 954 mSDtfsCounter, 1 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2151 GetRequests, 2151 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=558occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 2152 NumberOfCodeBlocks, 2152 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2151 ConstructedInterpolants, 0 QuantifiedInterpolants, 2151 SizeOfPredicates, 0 NumberOfNonLiveVariables, 2964 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 319200/319200 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown