/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-64bit-Automizer_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.cal203.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-26 06:29:26,148 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-26 06:29:26,214 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2023-12-26 06:29:26,219 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-26 06:29:26,220 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-26 06:29:26,242 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-26 06:29:26,242 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-26 06:29:26,243 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-26 06:29:26,243 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-26 06:29:26,246 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-26 06:29:26,246 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-26 06:29:26,246 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-26 06:29:26,247 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-26 06:29:26,248 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-26 06:29:26,248 INFO L153 SettingsManager]: * Use SBE=true [2023-12-26 06:29:26,248 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-26 06:29:26,248 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-26 06:29:26,248 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-26 06:29:26,248 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-26 06:29:26,248 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-26 06:29:26,249 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-26 06:29:26,249 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-26 06:29:26,249 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-26 06:29:26,249 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-26 06:29:26,249 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-26 06:29:26,249 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-26 06:29:26,250 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-26 06:29:26,250 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-26 06:29:26,250 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-26 06:29:26,250 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-26 06:29:26,251 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-26 06:29:26,251 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-26 06:29:26,251 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-26 06:29:26,251 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-26 06:29:26,251 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-26 06:29:26,251 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-26 06:29:26,252 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-26 06:29:26,252 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-26 06:29:26,252 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-26 06:29:26,252 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-26 06:29:26,252 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-26 06:29:26,252 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-26 06:29:26,252 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-26 06:29:26,252 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-26 06:29:26,434 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-26 06:29:26,456 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-26 06:29:26,457 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-26 06:29:26,458 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-26 06:29:26,461 INFO L274 PluginConnector]: CDTParser initialized [2023-12-26 06:29:26,462 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.cal203.c [2023-12-26 06:29:27,436 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-26 06:29:27,999 INFO L384 CDTParser]: Found 1 translation units. [2023-12-26 06:29:28,000 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.cal203.c [2023-12-26 06:29:28,113 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6f19949c/fb2941e46f274984a47a822bb638f67c/FLAGd1bff1b0b [2023-12-26 06:29:28,126 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6f19949c/fb2941e46f274984a47a822bb638f67c [2023-12-26 06:29:28,128 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-26 06:29:28,129 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-26 06:29:28,129 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-26 06:29:28,130 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-26 06:29:28,132 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-26 06:29:28,133 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.12 06:29:28" (1/1) ... [2023-12-26 06:29:28,134 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5856eec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 06:29:28, skipping insertion in model container [2023-12-26 06:29:28,134 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.12 06:29:28" (1/1) ... [2023-12-26 06:29:28,362 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-26 06:29:28,739 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.cal203.c[1246,1259] [2023-12-26 06:29:30,045 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-26 06:29:30,053 INFO L202 MainTranslator]: Completed pre-run [2023-12-26 06:29:30,061 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.cal203.c[1246,1259] [2023-12-26 06:29:31,293 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-26 06:29:31,318 INFO L206 MainTranslator]: Completed translation [2023-12-26 06:29:31,318 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 06:29:31 WrapperNode [2023-12-26 06:29:31,318 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-26 06:29:31,319 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-26 06:29:31,319 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-26 06:29:31,320 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-26 06:29:31,324 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 06:29:31" (1/1) ... [2023-12-26 06:29:31,725 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 06:29:31" (1/1) ... [2023-12-26 06:29:33,228 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 32028 [2023-12-26 06:29:33,229 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-26 06:29:33,229 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-26 06:29:33,230 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-26 06:29:33,230 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-26 06:29:33,238 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 06:29:31" (1/1) ... [2023-12-26 06:29:33,238 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 06:29:31" (1/1) ... [2023-12-26 06:29:33,645 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 06:29:31" (1/1) ... [2023-12-26 06:29:34,118 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]. [2023-12-26 06:29:34,118 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 06:29:31" (1/1) ... [2023-12-26 06:29:34,118 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 06:29:31" (1/1) ... [2023-12-26 06:29:34,688 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 06:29:31" (1/1) ... [2023-12-26 06:29:34,737 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 06:29:31" (1/1) ... [2023-12-26 06:29:34,844 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 06:29:31" (1/1) ... [2023-12-26 06:29:34,976 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 06:29:31" (1/1) ... [2023-12-26 06:29:35,188 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-26 06:29:35,189 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-26 06:29:35,189 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-26 06:29:35,189 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-26 06:29:35,196 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 06:29:31" (1/1) ... [2023-12-26 06:29:35,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-26 06:29:35,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-26 06:29:35,253 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) [2023-12-26 06:29:35,266 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 [2023-12-26 06:29:35,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-26 06:29:35,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-26 06:29:35,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-26 06:29:35,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-26 06:29:38,562 INFO L241 CfgBuilder]: Building ICFG [2023-12-26 06:29:38,564 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-26 06:39:03,227 INFO L282 CfgBuilder]: Performing block encoding [2023-12-26 06:39:04,294 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-26 06:39:04,295 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-26 06:39:04,295 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.12 06:39:04 BoogieIcfgContainer [2023-12-26 06:39:04,295 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-26 06:39:04,297 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-26 06:39:04,297 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-26 06:39:04,299 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-26 06:39:04,299 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.12 06:29:28" (1/3) ... [2023-12-26 06:39:04,300 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@783049f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.12 06:39:04, skipping insertion in model container [2023-12-26 06:39:04,300 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 06:29:31" (2/3) ... [2023-12-26 06:39:04,300 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@783049f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.12 06:39:04, skipping insertion in model container [2023-12-26 06:39:04,300 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.12 06:39:04" (3/3) ... [2023-12-26 06:39:04,301 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.cal203.c [2023-12-26 06:39:04,313 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-26 06:39:04,314 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-26 06:39:04,352 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-26 06:39:04,357 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;@1a199234, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-26 06:39:04,357 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-26 06:39:04,361 INFO L276 IsEmpty]: Start isEmpty. Operand has 8 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 7 states have internal predecessors, (10), 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) [2023-12-26 06:39:04,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-26 06:39:04,366 INFO L187 NwaCegarLoop]: Found error trace [2023-12-26 06:39:04,367 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-12-26 06:39:04,368 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-26 06:39:04,372 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-26 06:39:04,372 INFO L85 PathProgramCache]: Analyzing trace with hash 1827279, now seen corresponding path program 1 times [2023-12-26 06:39:04,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-26 06:39:04,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [28219327] [2023-12-26 06:39:04,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-26 06:39:04,386 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 [2023-12-26 06:39:04,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-26 06:39:04,388 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) [2023-12-26 06:39:04,409 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 [2023-12-26 06:39:08,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-26 06:39:09,018 INFO L262 TraceCheckSpWp]: Trace formula consists of 1741 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-26 06:39:09,087 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-26 06:39:09,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-26 06:39:09,462 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-26 06:39:09,462 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-26 06:39:09,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [28219327] [2023-12-26 06:39:09,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [28219327] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-26 06:39:09,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-26 06:39:09,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-26 06:39:09,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486278239] [2023-12-26 06:39:09,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-26 06:39:09,467 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-26 06:39:09,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-26 06:39:09,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-26 06:39:09,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-26 06:39:09,489 INFO L87 Difference]: Start difference. First operand has 8 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 7 states have internal predecessors, (10), 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 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2023-12-26 06:39:16,489 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-26 06:39:20,566 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-26 06:39:24,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-26 06:39:26,350 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-26 06:39:32,652 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-26 06:39:36,736 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-26 06:39:36,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-26 06:39:36,737 INFO L93 Difference]: Finished difference Result 16 states and 24 transitions. [2023-12-26 06:39:37,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-26 06:39:37,241 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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 4 [2023-12-26 06:39:37,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-26 06:39:37,245 INFO L225 Difference]: With dead ends: 16 [2023-12-26 06:39:37,245 INFO L226 Difference]: Without dead ends: 9 [2023-12-26 06:39:37,247 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-26 06:39:37,249 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 3 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.0s IncrementalHoareTripleChecker+Time [2023-12-26 06:39:37,250 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 7 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 5 Unknown, 0 Unchecked, 27.0s Time] [2023-12-26 06:39:37,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2023-12-26 06:39:37,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2023-12-26 06:39:37,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 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) [2023-12-26 06:39:37,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2023-12-26 06:39:37,268 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 4 [2023-12-26 06:39:37,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-26 06:39:37,268 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2023-12-26 06:39:37,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2023-12-26 06:39:37,269 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2023-12-26 06:39:37,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-26 06:39:37,269 INFO L187 NwaCegarLoop]: Found error trace [2023-12-26 06:39:37,269 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2023-12-26 06:39:37,300 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 (2)] Forceful destruction successful, exit code 0 [2023-12-26 06:39:37,485 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 [2023-12-26 06:39:37,485 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-26 06:39:37,486 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-26 06:39:37,486 INFO L85 PathProgramCache]: Analyzing trace with hash -1393329571, now seen corresponding path program 1 times [2023-12-26 06:39:37,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-26 06:39:37,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2001813240] [2023-12-26 06:39:37,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-26 06:39:37,529 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 [2023-12-26 06:39:37,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-26 06:39:37,530 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) [2023-12-26 06:39:37,548 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... [2023-12-26 06:44:02,313 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 [2023-12-26 06:44:02,320 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 [2023-12-26 06:44:03,514 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2023-12-26 06:44:03,521 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 [2023-12-26 06:44:03,560 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 137 [2023-12-26 06:44:03,631 ERROR L246 FreeRefinementEngine]: Caught known exception: Timeout or Toolchain cancelled by user [2023-12-26 06:44:03,632 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-26 06:44:03,633 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 [2023-12-26 06:44:03,633 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 [2023-12-26 06:44:03,633 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 8 with TraceHistMax 2,while AutomatonFreeRefinementEngine was Timeout during feasibility check between IpTcStrategyModuleMathsat [2001813240] and IpTcStrategyModuleCvc4 [1553819249]. [2023-12-26 06:44:03,636 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-12-26 06:44:03,638 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-26 06:44:03,639 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.12 06:44:03 BoogieIcfgContainer [2023-12-26 06:44:03,640 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-26 06:44:03,640 INFO L158 Benchmark]: Toolchain (without parser) took 875511.32ms. Allocated memory was 278.9MB in the beginning and 3.9GB in the end (delta: 3.6GB). Free memory was 217.4MB in the beginning and 2.9GB in the end (delta: -2.7GB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. [2023-12-26 06:44:03,640 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 210.8MB. Free memory is still 162.4MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-26 06:44:03,641 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3188.88ms. Allocated memory was 278.9MB in the beginning and 784.3MB in the end (delta: 505.4MB). Free memory was 217.4MB in the beginning and 494.7MB in the end (delta: -277.3MB). Peak memory consumption was 353.9MB. Max. memory is 8.0GB. [2023-12-26 06:44:03,641 INFO L158 Benchmark]: Boogie Procedure Inliner took 1909.52ms. Allocated memory was 784.3MB in the beginning and 2.4GB in the end (delta: 1.6GB). Free memory was 494.7MB in the beginning and 2.0GB in the end (delta: -1.5GB). Peak memory consumption was 249.0MB. Max. memory is 8.0GB. [2023-12-26 06:44:03,641 INFO L158 Benchmark]: Boogie Preprocessor took 1958.82ms. Allocated memory is still 2.4GB. Free memory was 2.0GB in the beginning and 1.8GB in the end (delta: 109.3MB). Peak memory consumption was 121.6MB. Max. memory is 8.0GB. [2023-12-26 06:44:03,642 INFO L158 Benchmark]: RCFGBuilder took 569106.22ms. Allocated memory was 2.4GB in the beginning and 3.9GB in the end (delta: 1.6GB). Free memory was 1.8GB in the beginning and 3.1GB in the end (delta: -1.3GB). Peak memory consumption was 2.5GB. Max. memory is 8.0GB. [2023-12-26 06:44:03,642 INFO L158 Benchmark]: TraceAbstraction took 299342.62ms. Allocated memory is still 3.9GB. Free memory was 3.1GB in the beginning and 2.9GB in the end (delta: 208.2MB). Peak memory consumption was 436.7MB. Max. memory is 8.0GB. [2023-12-26 06:44:03,643 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 210.8MB. Free memory is still 162.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 3188.88ms. Allocated memory was 278.9MB in the beginning and 784.3MB in the end (delta: 505.4MB). Free memory was 217.4MB in the beginning and 494.7MB in the end (delta: -277.3MB). Peak memory consumption was 353.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 1909.52ms. Allocated memory was 784.3MB in the beginning and 2.4GB in the end (delta: 1.6GB). Free memory was 494.7MB in the beginning and 2.0GB in the end (delta: -1.5GB). Peak memory consumption was 249.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 1958.82ms. Allocated memory is still 2.4GB. Free memory was 2.0GB in the beginning and 1.8GB in the end (delta: 109.3MB). Peak memory consumption was 121.6MB. Max. memory is 8.0GB. * RCFGBuilder took 569106.22ms. Allocated memory was 2.4GB in the beginning and 3.9GB in the end (delta: 1.6GB). Free memory was 1.8GB in the beginning and 3.1GB in the end (delta: -1.3GB). Peak memory consumption was 2.5GB. Max. memory is 8.0GB. * TraceAbstraction took 299342.62ms. Allocated memory is still 3.9GB. Free memory was 3.1GB in the beginning and 2.9GB in the end (delta: 208.2MB). Peak memory consumption was 436.7MB. 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: 21]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 21). Cancelled while NwaCegarLoop was analyzing trace of length 8 with TraceHistMax 2,while AutomatonFreeRefinementEngine was Timeout during feasibility check between IpTcStrategyModuleMathsat [2001813240] and IpTcStrategyModuleCvc4 [1553819249]. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 299.3s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 27.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 5 mSolverCounterUnknown, 3 SdHoareTripleChecker+Valid, 27.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 26.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 3 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred in iteration=0, InterpolantAutomatonStates: 4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.5s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 11 SizeOfPredicates, 16 NumberOfNonLiveVariables, 1741 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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