/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/eca-rers2012/Problem12_label00.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 09:11:21,131 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 09:11:21,220 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-16 09:11:21,228 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 09:11:21,229 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 09:11:21,259 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 09:11:21,259 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 09:11:21,260 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 09:11:21,260 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 09:11:21,264 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 09:11:21,264 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 09:11:21,264 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 09:11:21,265 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 09:11:21,266 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 09:11:21,266 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 09:11:21,267 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 09:11:21,267 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 09:11:21,267 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 09:11:21,268 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 09:11:21,268 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 09:11:21,268 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 09:11:21,268 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 09:11:21,269 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 09:11:21,269 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-16 09:11:21,269 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-16 09:11:21,269 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 09:11:21,269 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-16 09:11:21,270 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 09:11:21,270 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 09:11:21,270 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 09:11:21,271 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 09:11:21,271 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 09:11:21,272 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 09:11:21,272 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 09:11:21,272 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 09:11:21,272 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 09:11:21,272 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 09:11:21,272 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 09:11:21,273 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-16 09:11:21,273 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-16 09:11:21,273 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 09:11:21,274 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 09:11:21,274 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 09:11:21,274 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 09:11:21,274 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 09:11:21,275 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-16 09:11:21,275 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-16 09:11:21,702 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 09:11:21,727 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 09:11:21,729 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 09:11:21,730 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 09:11:21,730 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 09:11:21,732 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem12_label00.c [2023-12-16 09:11:23,149 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 09:11:23,566 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 09:11:23,567 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem12_label00.c [2023-12-16 09:11:23,602 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/981141fff/663a56d156934dfebcae89258a7da47a/FLAGaec518701 [2023-12-16 09:11:23,619 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/981141fff/663a56d156934dfebcae89258a7da47a [2023-12-16 09:11:23,621 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 09:11:23,622 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 09:11:23,625 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 09:11:23,625 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 09:11:23,631 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 09:11:23,632 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 09:11:23" (1/1) ... [2023-12-16 09:11:23,633 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@193e1c8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:11:23, skipping insertion in model container [2023-12-16 09:11:23,633 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 09:11:23" (1/1) ... [2023-12-16 09:11:23,766 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 09:11:23,985 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem12_label00.c[2236,2249] [2023-12-16 09:11:25,585 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 09:11:25,624 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 09:11:25,653 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem12_label00.c[2236,2249] [2023-12-16 09:11:26,238 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 09:11:26,259 INFO L206 MainTranslator]: Completed translation [2023-12-16 09:11:26,259 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:11:26 WrapperNode [2023-12-16 09:11:26,259 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 09:11:26,261 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 09:11:26,261 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 09:11:26,261 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 09:11:26,267 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:11:26" (1/1) ... [2023-12-16 09:11:26,327 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:11:26" (1/1) ... [2023-12-16 09:11:26,486 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 4756 [2023-12-16 09:11:26,487 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 09:11:26,488 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 09:11:26,488 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 09:11:26,488 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 09:11:26,498 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:11:26" (1/1) ... [2023-12-16 09:11:26,498 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:11:26" (1/1) ... [2023-12-16 09:11:26,537 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:11:26" (1/1) ... [2023-12-16 09:11:26,610 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]. [2023-12-16 09:11:26,610 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:11:26" (1/1) ... [2023-12-16 09:11:26,611 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:11:26" (1/1) ... [2023-12-16 09:11:26,698 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:11:26" (1/1) ... [2023-12-16 09:11:26,721 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:11:26" (1/1) ... [2023-12-16 09:11:26,739 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:11:26" (1/1) ... [2023-12-16 09:11:26,756 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:11:26" (1/1) ... [2023-12-16 09:11:26,778 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 09:11:26,781 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 09:11:26,781 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 09:11:26,781 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 09:11:26,781 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:11:26" (1/1) ... [2023-12-16 09:11:26,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 09:11:26,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 09:11:26,805 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) [2023-12-16 09:11:26,826 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 [2023-12-16 09:11:26,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 09:11:26,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-16 09:11:26,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 09:11:26,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 09:11:26,917 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 09:11:26,918 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 09:11:57,456 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 09:11:57,577 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 09:11:57,578 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 09:11:57,578 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 09:11:57 BoogieIcfgContainer [2023-12-16 09:11:57,578 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 09:11:57,580 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 09:11:57,581 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 09:11:57,584 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 09:11:57,584 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 09:11:23" (1/3) ... [2023-12-16 09:11:57,584 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27252148 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 09:11:57, skipping insertion in model container [2023-12-16 09:11:57,585 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:11:26" (2/3) ... [2023-12-16 09:11:57,585 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27252148 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 09:11:57, skipping insertion in model container [2023-12-16 09:11:57,585 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 09:11:57" (3/3) ... [2023-12-16 09:11:57,586 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem12_label00.c [2023-12-16 09:11:57,603 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 09:11:57,603 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 09:11:57,715 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 09:11:57,720 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;@b9af8f7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 09:11:57,721 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 09:11:57,736 INFO L276 IsEmpty]: Start isEmpty. Operand has 756 states, 754 states have (on average 1.993368700265252) internal successors, (1503), 755 states have internal predecessors, (1503), 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) [2023-12-16 09:11:57,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-16 09:11:57,749 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 09:11:57,750 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 09:11:57,750 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 09:11:57,758 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 09:11:57,758 INFO L85 PathProgramCache]: Analyzing trace with hash 1909866138, now seen corresponding path program 1 times [2023-12-16 09:11:57,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 09:11:57,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [363822133] [2023-12-16 09:11:57,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 09:11:57,774 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 [2023-12-16 09:11:57,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 09:11:57,787 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) [2023-12-16 09:11:57,789 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 [2023-12-16 09:11:57,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 09:11:57,849 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-16 09:11:57,852 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 09:11:57,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 09:11:57,869 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 09:11:57,870 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 09:11:57,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [363822133] [2023-12-16 09:11:57,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [363822133] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 09:11:57,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 09:11:57,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 09:11:57,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183407857] [2023-12-16 09:11:57,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 09:11:57,876 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-16 09:11:57,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 09:11:57,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-16 09:11:57,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 09:11:57,904 INFO L87 Difference]: Start difference. First operand has 756 states, 754 states have (on average 1.993368700265252) internal successors, (1503), 755 states have internal predecessors, (1503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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) [2023-12-16 09:11:58,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 09:11:58,007 INFO L93 Difference]: Finished difference Result 1511 states and 3005 transitions. [2023-12-16 09:11:58,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-16 09:11:58,010 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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 14 [2023-12-16 09:11:58,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 09:11:58,032 INFO L225 Difference]: With dead ends: 1511 [2023-12-16 09:11:58,032 INFO L226 Difference]: Without dead ends: 754 [2023-12-16 09:11:58,040 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 09:11:58,044 INFO L413 NwaCegarLoop]: 1438 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1438 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 09:11:58,045 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1438 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 09:11:58,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 754 states. [2023-12-16 09:11:58,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 754 to 754. [2023-12-16 09:11:58,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 754 states, 753 states have (on average 1.9096945551128819) internal successors, (1438), 753 states have internal predecessors, (1438), 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) [2023-12-16 09:11:58,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 754 states and 1438 transitions. [2023-12-16 09:11:58,139 INFO L78 Accepts]: Start accepts. Automaton has 754 states and 1438 transitions. Word has length 14 [2023-12-16 09:11:58,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 09:11:58,139 INFO L495 AbstractCegarLoop]: Abstraction has 754 states and 1438 transitions. [2023-12-16 09:11:58,139 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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) [2023-12-16 09:11:58,139 INFO L276 IsEmpty]: Start isEmpty. Operand 754 states and 1438 transitions. [2023-12-16 09:11:58,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-16 09:11:58,140 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 09:11:58,140 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 09:11:58,148 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 [2023-12-16 09:11:58,342 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 [2023-12-16 09:11:58,343 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 09:11:58,344 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 09:11:58,344 INFO L85 PathProgramCache]: Analyzing trace with hash -681114734, now seen corresponding path program 1 times [2023-12-16 09:11:58,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 09:11:58,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [126655878] [2023-12-16 09:11:58,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 09:11:58,345 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 [2023-12-16 09:11:58,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 09:11:58,350 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) [2023-12-16 09:11:58,396 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 [2023-12-16 09:11:58,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 09:11:58,408 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 09:11:58,409 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 09:11:58,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 09:11:58,475 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 09:11:58,475 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 09:11:58,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [126655878] [2023-12-16 09:11:58,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [126655878] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 09:11:58,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 09:11:58,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 09:11:58,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483791239] [2023-12-16 09:11:58,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 09:11:58,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 09:11:58,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 09:11:58,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 09:11:58,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 09:11:58,485 INFO L87 Difference]: Start difference. First operand 754 states and 1438 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 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) Received shutdown request... [2023-12-16 09:12:35,148 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 [2023-12-16 09:12:35,149 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 [2023-12-16 09:12:35,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 09:12:35,213 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 09:12:35,214 INFO L413 NwaCegarLoop]: 447 mSDtfsCounter, 729 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 1939 mSolverCounterSat, 607 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 729 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 2546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 607 IncrementalHoareTripleChecker+Valid, 1939 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.5s IncrementalHoareTripleChecker+Time [2023-12-16 09:12:35,214 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [729 Valid, 453 Invalid, 2546 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [607 Valid, 1939 Invalid, 0 Unknown, 0 Unchecked, 36.5s Time] [2023-12-16 09:12:35,215 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 09:12:35,223 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 0 [2023-12-16 09:12:35,417 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 [2023-12-16 09:12:35,418 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was constructing difference of abstraction (754states) and FLOYD_HOARE automaton (currently 3 states, 3 states before enhancement),while ReachableStatesComputation was computing reachable states (1978 states constructed, input type IntersectNwa). [2023-12-16 09:12:35,423 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-12-16 09:12:35,427 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 09:12:35,433 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 09:12:35 BoogieIcfgContainer [2023-12-16 09:12:35,433 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 09:12:35,434 INFO L158 Benchmark]: Toolchain (without parser) took 71811.66ms. Allocated memory was 226.5MB in the beginning and 455.1MB in the end (delta: 228.6MB). Free memory was 167.3MB in the beginning and 334.8MB in the end (delta: -167.5MB). Peak memory consumption was 274.8MB. Max. memory is 8.0GB. [2023-12-16 09:12:35,434 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 226.5MB. Free memory is still 183.2MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 09:12:35,435 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2634.85ms. Allocated memory was 226.5MB in the beginning and 293.6MB in the end (delta: 67.1MB). Free memory was 167.3MB in the beginning and 167.9MB in the end (delta: -614.4kB). Peak memory consumption was 67.2MB. Max. memory is 8.0GB. [2023-12-16 09:12:35,435 INFO L158 Benchmark]: Boogie Procedure Inliner took 226.37ms. Allocated memory is still 293.6MB. Free memory was 167.9MB in the beginning and 213.7MB in the end (delta: -45.8MB). Peak memory consumption was 25.7MB. Max. memory is 8.0GB. [2023-12-16 09:12:35,435 INFO L158 Benchmark]: Boogie Preprocessor took 291.53ms. Allocated memory is still 293.6MB. Free memory was 213.7MB in the beginning and 177.0MB in the end (delta: 36.7MB). Peak memory consumption was 36.7MB. Max. memory is 8.0GB. [2023-12-16 09:12:35,436 INFO L158 Benchmark]: RCFGBuilder took 30797.75ms. Allocated memory was 293.6MB in the beginning and 455.1MB in the end (delta: 161.5MB). Free memory was 177.0MB in the beginning and 141.9MB in the end (delta: 35.1MB). Peak memory consumption was 206.0MB. Max. memory is 8.0GB. [2023-12-16 09:12:35,436 INFO L158 Benchmark]: TraceAbstraction took 37853.15ms. Allocated memory is still 455.1MB. Free memory was 141.3MB in the beginning and 334.8MB in the end (delta: -193.5MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2023-12-16 09:12:35,445 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 226.5MB. Free memory is still 183.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 2634.85ms. Allocated memory was 226.5MB in the beginning and 293.6MB in the end (delta: 67.1MB). Free memory was 167.3MB in the beginning and 167.9MB in the end (delta: -614.4kB). Peak memory consumption was 67.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 226.37ms. Allocated memory is still 293.6MB. Free memory was 167.9MB in the beginning and 213.7MB in the end (delta: -45.8MB). Peak memory consumption was 25.7MB. Max. memory is 8.0GB. * Boogie Preprocessor took 291.53ms. Allocated memory is still 293.6MB. Free memory was 213.7MB in the beginning and 177.0MB in the end (delta: 36.7MB). Peak memory consumption was 36.7MB. Max. memory is 8.0GB. * RCFGBuilder took 30797.75ms. Allocated memory was 293.6MB in the beginning and 455.1MB in the end (delta: 161.5MB). Free memory was 177.0MB in the beginning and 141.9MB in the end (delta: 35.1MB). Peak memory consumption was 206.0MB. Max. memory is 8.0GB. * TraceAbstraction took 37853.15ms. Allocated memory is still 455.1MB. Free memory was 141.3MB in the beginning and 334.8MB in the end (delta: -193.5MB). Peak memory consumption was 19.9MB. 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: 67]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 67). Cancelled while NwaCegarLoop was constructing difference of abstraction (754states) and FLOYD_HOARE automaton (currently 3 states, 3 states before enhancement),while ReachableStatesComputation was computing reachable states (1978 states constructed, input type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 756 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 37.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 36.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 729 SdHoareTripleChecker+Valid, 36.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 729 mSDsluCounter, 1891 SdHoareTripleChecker+Invalid, 29.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 607 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1941 IncrementalHoareTripleChecker+Invalid, 2548 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 607 mSolverCounterUnsat, 1885 mSDtfsCounter, 1941 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=756occurred 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: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 26 ConstructedInterpolants, 0 QuantifiedInterpolants, 50 SizeOfPredicates, 0 NumberOfNonLiveVariables, 86 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown