/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.arbitrated_top_n5_w8_d128_e0.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-26 03:27:53,422 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-26 03:27:53,490 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 03:27:53,494 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-26 03:27:53,494 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-26 03:27:53,520 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-26 03:27:53,521 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-26 03:27:53,521 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-26 03:27:53,522 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-26 03:27:53,526 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-26 03:27:53,526 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-26 03:27:53,527 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-26 03:27:53,527 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-26 03:27:53,528 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-26 03:27:53,528 INFO L153 SettingsManager]: * Use SBE=true [2023-12-26 03:27:53,529 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-26 03:27:53,529 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-26 03:27:53,529 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-26 03:27:53,530 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-26 03:27:53,530 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-26 03:27:53,530 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-26 03:27:53,531 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-26 03:27:53,531 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-26 03:27:53,531 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-26 03:27:53,531 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-26 03:27:53,532 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-26 03:27:53,532 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-26 03:27:53,532 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-26 03:27:53,533 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-26 03:27:53,533 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-26 03:27:53,534 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-26 03:27:53,534 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-26 03:27:53,534 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-26 03:27:53,534 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-26 03:27:53,534 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-26 03:27:53,534 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-26 03:27:53,534 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-26 03:27:53,535 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-26 03:27:53,535 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-26 03:27:53,535 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-26 03:27:53,535 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-26 03:27:53,535 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-26 03:27:53,535 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-26 03:27:53,536 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-26 03:27:53,734 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-26 03:27:53,754 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-26 03:27:53,756 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-26 03:27:53,756 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-26 03:27:53,757 INFO L274 PluginConnector]: CDTParser initialized [2023-12-26 03:27:53,758 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n5_w8_d128_e0.c [2023-12-26 03:27:54,926 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-26 03:27:55,460 INFO L384 CDTParser]: Found 1 translation units. [2023-12-26 03:27:55,462 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n5_w8_d128_e0.c [2023-12-26 03:27:55,545 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69ccf8112/865db1733f1e4ba2a100245b4315f469/FLAG67d80215d [2023-12-26 03:27:55,559 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69ccf8112/865db1733f1e4ba2a100245b4315f469 [2023-12-26 03:27:55,562 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-26 03:27:55,564 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-26 03:27:55,566 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-26 03:27:55,566 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-26 03:27:55,570 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-26 03:27:55,571 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.12 03:27:55" (1/1) ... [2023-12-26 03:27:55,572 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71d9835c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 03:27:55, skipping insertion in model container [2023-12-26 03:27:55,572 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.12 03:27:55" (1/1) ... [2023-12-26 03:27:55,804 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-26 03:27:56,130 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.arbitrated_top_n5_w8_d128_e0.c[1271,1284] [2023-12-26 03:27:57,174 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-26 03:27:57,187 INFO L202 MainTranslator]: Completed pre-run [2023-12-26 03:27:57,197 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.arbitrated_top_n5_w8_d128_e0.c[1271,1284] [2023-12-26 03:27:57,989 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-26 03:27:58,003 INFO L206 MainTranslator]: Completed translation [2023-12-26 03:27:58,005 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 03:27:58 WrapperNode [2023-12-26 03:27:58,005 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-26 03:27:58,006 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-26 03:27:58,006 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-26 03:27:58,006 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-26 03:27:58,012 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 03:27:58" (1/1) ... [2023-12-26 03:27:58,279 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 03:27:58" (1/1) ... [2023-12-26 03:27:58,825 INFO L138 Inliner]: procedures = 17, calls = 24, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 20591 [2023-12-26 03:27:58,826 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-26 03:27:58,827 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-26 03:27:58,827 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-26 03:27:58,827 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-26 03:27:58,837 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 03:27:58" (1/1) ... [2023-12-26 03:27:58,837 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 03:27:58" (1/1) ... [2023-12-26 03:27:59,142 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 03:27:58" (1/1) ... [2023-12-26 03:27:59,337 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 03:27:59,337 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 03:27:58" (1/1) ... [2023-12-26 03:27:59,337 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 03:27:58" (1/1) ... [2023-12-26 03:27:59,588 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 03:27:58" (1/1) ... [2023-12-26 03:27:59,634 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 03:27:58" (1/1) ... [2023-12-26 03:27:59,688 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 03:27:58" (1/1) ... [2023-12-26 03:27:59,723 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 03:27:58" (1/1) ... [2023-12-26 03:27:59,803 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-26 03:27:59,805 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-26 03:27:59,805 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-26 03:27:59,805 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-26 03:27:59,805 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 03:27:58" (1/1) ... [2023-12-26 03:27:59,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-26 03:27:59,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-26 03:27:59,828 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 03:27:59,835 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 03:27:59,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-26 03:27:59,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-26 03:27:59,852 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-26 03:27:59,852 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-26 03:27:59,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-26 03:27:59,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-26 03:28:01,910 INFO L241 CfgBuilder]: Building ICFG [2023-12-26 03:28:01,911 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-26 03:29:11,956 INFO L282 CfgBuilder]: Performing block encoding [2023-12-26 03:29:12,797 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-26 03:29:12,798 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-26 03:29:12,798 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.12 03:29:12 BoogieIcfgContainer [2023-12-26 03:29:12,798 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-26 03:29:12,801 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-26 03:29:12,801 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-26 03:29:12,804 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-26 03:29:12,804 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.12 03:27:55" (1/3) ... [2023-12-26 03:29:12,805 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31d0bd2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.12 03:29:12, skipping insertion in model container [2023-12-26 03:29:12,805 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 03:27:58" (2/3) ... [2023-12-26 03:29:12,805 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31d0bd2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.12 03:29:12, skipping insertion in model container [2023-12-26 03:29:12,805 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.12 03:29:12" (3/3) ... [2023-12-26 03:29:12,807 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.arbitrated_top_n5_w8_d128_e0.c [2023-12-26 03:29:12,821 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-26 03:29:12,822 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-26 03:29:12,866 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-26 03:29:12,873 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;@3da1e15, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-26 03:29:12,874 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-26 03:29:12,877 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 25 states have (on average 1.2) internal successors, (30), 26 states have internal predecessors, (30), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-12-26 03:29:12,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-26 03:29:12,888 INFO L187 NwaCegarLoop]: Found error trace [2023-12-26 03:29:12,889 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-26 03:29:12,890 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-26 03:29:12,895 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-26 03:29:12,896 INFO L85 PathProgramCache]: Analyzing trace with hash -870637129, now seen corresponding path program 1 times [2023-12-26 03:29:12,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-26 03:29:12,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [281281887] [2023-12-26 03:29:12,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-26 03:29:12,920 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 03:29:12,920 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-26 03:29:12,926 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 03:29:13,038 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 03:29:17,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-26 03:29:17,696 INFO L262 TraceCheckSpWp]: Trace formula consists of 6560 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-26 03:29:17,820 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-26 03:29:17,886 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 246 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2023-12-26 03:29:17,886 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-26 03:29:17,887 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-26 03:29:17,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [281281887] [2023-12-26 03:29:17,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [281281887] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-26 03:29:17,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-26 03:29:17,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-26 03:29:17,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885562279] [2023-12-26 03:29:17,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-26 03:29:17,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-26 03:29:17,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-26 03:29:17,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-26 03:29:17,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-26 03:29:17,924 INFO L87 Difference]: Start difference. First operand has 44 states, 25 states have (on average 1.2) internal successors, (30), 26 states have internal predecessors, (30), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-12-26 03:29:18,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-26 03:29:18,060 INFO L93 Difference]: Finished difference Result 85 states and 138 transitions. [2023-12-26 03:29:18,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-26 03:29:18,082 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 100 [2023-12-26 03:29:18,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-26 03:29:18,089 INFO L225 Difference]: With dead ends: 85 [2023-12-26 03:29:18,089 INFO L226 Difference]: Without dead ends: 42 [2023-12-26 03:29:18,093 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-26 03:29:18,097 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-26 03:29:18,100 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 56 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-26 03:29:18,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2023-12-26 03:29:18,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2023-12-26 03:29:18,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 24 states have (on average 1.0416666666666667) internal successors, (25), 24 states have internal predecessors, (25), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-12-26 03:29:18,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 57 transitions. [2023-12-26 03:29:18,146 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 57 transitions. Word has length 100 [2023-12-26 03:29:18,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-26 03:29:18,147 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 57 transitions. [2023-12-26 03:29:18,147 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-12-26 03:29:18,147 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 57 transitions. [2023-12-26 03:29:18,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-26 03:29:18,152 INFO L187 NwaCegarLoop]: Found error trace [2023-12-26 03:29:18,153 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-26 03:29:18,203 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 03:29:18,376 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 03:29:18,377 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-26 03:29:18,377 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-26 03:29:18,377 INFO L85 PathProgramCache]: Analyzing trace with hash -664786537, now seen corresponding path program 1 times [2023-12-26 03:29:18,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-26 03:29:18,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1694502339] [2023-12-26 03:29:18,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-26 03:29:18,388 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 03:29:18,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-26 03:29:18,389 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 03:29:18,394 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 [2023-12-26 03:29:54,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-26 03:29:55,020 INFO L262 TraceCheckSpWp]: Trace formula consists of 6560 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-26 03:29:55,081 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-26 03:29:55,907 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-12-26 03:29:55,907 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-26 03:29:55,907 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-26 03:29:55,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1694502339] [2023-12-26 03:29:55,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1694502339] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-26 03:29:55,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-26 03:29:55,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-26 03:29:55,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299021564] [2023-12-26 03:29:55,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-26 03:29:55,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-26 03:29:55,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-26 03:29:55,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-26 03:29:55,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-26 03:29:55,911 INFO L87 Difference]: Start difference. First operand 42 states and 57 transitions. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2023-12-26 03:30:01,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.41s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-26 03:30:05,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-26 03:30:09,389 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-26 03:30:11,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-26 03:30:15,831 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.41s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-26 03:30:19,861 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-26 03:30:19,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-26 03:30:19,862 INFO L93 Difference]: Finished difference Result 79 states and 110 transitions. [2023-12-26 03:30:19,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-26 03:30:19,925 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 100 [2023-12-26 03:30:19,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-26 03:30:19,927 INFO L225 Difference]: With dead ends: 79 [2023-12-26 03:30:19,927 INFO L226 Difference]: Without dead ends: 77 [2023-12-26 03:30:19,927 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-26 03:30:19,928 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 3 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.8s IncrementalHoareTripleChecker+Time [2023-12-26 03:30:19,929 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 112 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 56 Invalid, 5 Unknown, 0 Unchecked, 23.8s Time] [2023-12-26 03:30:19,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2023-12-26 03:30:19,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 76. [2023-12-26 03:30:19,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 42 states have (on average 1.0238095238095237) internal successors, (43), 42 states have internal predecessors, (43), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-12-26 03:30:19,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 107 transitions. [2023-12-26 03:30:19,942 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 107 transitions. Word has length 100 [2023-12-26 03:30:19,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-26 03:30:19,944 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 107 transitions. [2023-12-26 03:30:19,944 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2023-12-26 03:30:19,944 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 107 transitions. [2023-12-26 03:30:19,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2023-12-26 03:30:19,947 INFO L187 NwaCegarLoop]: Found error trace [2023-12-26 03:30:19,947 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2023-12-26 03:30:19,989 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 [2023-12-26 03:30:20,164 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 03:30:20,165 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-26 03:30:20,165 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-26 03:30:20,165 INFO L85 PathProgramCache]: Analyzing trace with hash 11346597, now seen corresponding path program 1 times [2023-12-26 03:30:20,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-26 03:30:20,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [805757159] [2023-12-26 03:30:20,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-26 03:30:20,199 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 03:30:20,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-26 03:30:20,200 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-26 03:30:20,226 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-12-26 03:39:53,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-26 03:39:54,337 INFO L262 TraceCheckSpWp]: Trace formula consists of 23611 conjuncts, 47 conjunts are in the unsatisfiable core [2023-12-26 03:39:54,440 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-26 03:39:57,638 INFO L134 CoverageAnalysis]: Checked inductivity of 2018 backedges. 30 proven. 97 refuted. 0 times theorem prover too weak. 1891 trivial. 0 not checked. [2023-12-26 03:39:57,638 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-26 03:39:58,158 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-26 03:39:58,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [805757159] [2023-12-26 03:39:58,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [805757159] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-26 03:39:58,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [824680211] [2023-12-26 03:39:58,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-26 03:39:58,159 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-26 03:39:58,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2023-12-26 03:39:58,198 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-26 03:39:58,199 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-26 03:40:16,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-26 03:40:17,678 INFO L262 TraceCheckSpWp]: Trace formula consists of 23611 conjuncts, 46 conjunts are in the unsatisfiable core [2023-12-26 03:40:17,765 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-26 03:40:20,149 INFO L134 CoverageAnalysis]: Checked inductivity of 2018 backedges. 30 proven. 97 refuted. 0 times theorem prover too weak. 1891 trivial. 0 not checked. [2023-12-26 03:40:20,150 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-26 03:40:20,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [824680211] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-26 03:40:20,423 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-26 03:40:20,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13 [2023-12-26 03:40:20,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619980820] [2023-12-26 03:40:20,424 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-26 03:40:20,425 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-26 03:40:20,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-26 03:40:20,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-26 03:40:20,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2023-12-26 03:40:20,426 INFO L87 Difference]: Start difference. First operand 76 states and 107 transitions. Second operand has 13 states, 11 states have (on average 7.454545454545454) internal successors, (82), 13 states have internal predecessors, (82), 8 states have call successors, (64), 1 states have call predecessors, (64), 2 states have return successors, (64), 6 states have call predecessors, (64), 8 states have call successors, (64) [2023-12-26 03:40:28,001 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.46s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-26 03:40:29,388 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-26 03:40:31,456 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-26 03:40:34,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-26 03:40:39,946 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.40s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-26 03:40:42,562 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.61s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-26 03:40:45,485 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-26 03:40:45,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-26 03:40:45,537 INFO L93 Difference]: Finished difference Result 114 states and 161 transitions. [2023-12-26 03:40:45,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-26 03:40:45,538 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 7.454545454545454) internal successors, (82), 13 states have internal predecessors, (82), 8 states have call successors, (64), 1 states have call predecessors, (64), 2 states have return successors, (64), 6 states have call predecessors, (64), 8 states have call successors, (64) Word has length 199 [2023-12-26 03:40:45,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-26 03:40:45,542 INFO L225 Difference]: With dead ends: 114 [2023-12-26 03:40:45,542 INFO L226 Difference]: Without dead ends: 112 [2023-12-26 03:40:45,543 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 411 GetRequests, 390 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=92, Invalid=414, Unknown=0, NotChecked=0, Total=506 [2023-12-26 03:40:45,544 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 42 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 574 mSolverCounterSat, 25 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 574 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.3s IncrementalHoareTripleChecker+Time [2023-12-26 03:40:45,544 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 255 Invalid, 601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 574 Invalid, 2 Unknown, 0 Unchecked, 24.3s Time] [2023-12-26 03:40:45,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2023-12-26 03:40:45,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 111. [2023-12-26 03:40:45,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 61 states have (on average 1.0163934426229508) internal successors, (62), 61 states have internal predecessors, (62), 48 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2023-12-26 03:40:45,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 158 transitions. [2023-12-26 03:40:45,562 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 158 transitions. Word has length 199 [2023-12-26 03:40:45,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-26 03:40:45,563 INFO L495 AbstractCegarLoop]: Abstraction has 111 states and 158 transitions. [2023-12-26 03:40:45,563 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 7.454545454545454) internal successors, (82), 13 states have internal predecessors, (82), 8 states have call successors, (64), 1 states have call predecessors, (64), 2 states have return successors, (64), 6 states have call predecessors, (64), 8 states have call successors, (64) [2023-12-26 03:40:45,563 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 158 transitions. [2023-12-26 03:40:45,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2023-12-26 03:40:45,567 INFO L187 NwaCegarLoop]: Found error trace [2023-12-26 03:40:45,568 INFO L195 NwaCegarLoop]: trace histogram [48, 48, 48, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1] [2023-12-26 03:40:45,701 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 (4)] Ended with exit code 0 [2023-12-26 03:40:45,955 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-26 03:40:45,992 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2023-12-26 03:40:45,993 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-26 03:40:45,993 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-26 03:40:45,993 INFO L85 PathProgramCache]: Analyzing trace with hash -206565673, now seen corresponding path program 2 times [2023-12-26 03:40:46,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-26 03:40:46,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [505606923] [2023-12-26 03:40:46,032 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-26 03:40:46,032 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 03:40:46,033 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-26 03:40:46,034 INFO L229 MonitoredProcess]: Starting monitored process 6 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 03:40:46,036 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 (6)] Waiting until timeout for monitored process Received shutdown request... [2023-12-26 03:42:15,986 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 03:42:15,986 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 (6)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-26 03:42:17,046 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 [2023-12-26 03:42:17,196 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 (6)] Forcibly destroying the process [2023-12-26 03:42:17,280 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 (6)] Forceful destruction successful, exit code 137 [2023-12-26 03:42:17,281 ERROR L246 FreeRefinementEngine]: Caught known exception: Timeout or Toolchain cancelled by user [2023-12-26 03:42:17,282 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-26 03:42:17,283 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 299 with TraceHistMax 48,while AutomatonFreeRefinementEngine was Timeout during feasibility check between IpTcStrategyModuleMathsat [505606923] and IpTcStrategyModuleCvc4 [787230645]. [2023-12-26 03:42:17,286 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1] [2023-12-26 03:42:17,287 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-26 03:42:17,289 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.12 03:42:17 BoogieIcfgContainer [2023-12-26 03:42:17,289 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-26 03:42:17,289 INFO L158 Benchmark]: Toolchain (without parser) took 861725.20ms. Allocated memory was 273.7MB in the beginning and 1.9GB in the end (delta: 1.6GB). Free memory was 196.5MB in the beginning and 1.2GB in the end (delta: -961.6MB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. [2023-12-26 03:42:17,289 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 184.5MB. Free memory is still 138.6MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-26 03:42:17,290 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2438.61ms. Allocated memory was 273.7MB in the beginning and 392.2MB in the end (delta: 118.5MB). Free memory was 196.5MB in the beginning and 223.7MB in the end (delta: -27.2MB). Peak memory consumption was 192.3MB. Max. memory is 8.0GB. [2023-12-26 03:42:17,290 INFO L158 Benchmark]: Boogie Procedure Inliner took 819.99ms. Allocated memory was 392.2MB in the beginning and 784.3MB in the end (delta: 392.2MB). Free memory was 223.7MB in the beginning and 530.4MB in the end (delta: -306.7MB). Peak memory consumption was 146.3MB. Max. memory is 8.0GB. [2023-12-26 03:42:17,290 INFO L158 Benchmark]: Boogie Preprocessor took 976.97ms. Allocated memory is still 784.3MB. Free memory was 530.4MB in the beginning and 469.0MB in the end (delta: 61.3MB). Peak memory consumption was 86.5MB. Max. memory is 8.0GB. [2023-12-26 03:42:17,290 INFO L158 Benchmark]: RCFGBuilder took 72993.82ms. Allocated memory was 784.3MB in the beginning and 1.6GB in the end (delta: 864.0MB). Free memory was 469.0MB in the beginning and 1.2GB in the end (delta: -738.2MB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. [2023-12-26 03:42:17,291 INFO L158 Benchmark]: TraceAbstraction took 784487.80ms. Allocated memory was 1.6GB in the beginning and 1.9GB in the end (delta: 254.8MB). Free memory was 1.2GB in the beginning and 1.2GB in the end (delta: 48.6MB). Peak memory consumption was 796.8MB. Max. memory is 8.0GB. [2023-12-26 03:42:17,292 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 184.5MB. Free memory is still 138.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 2438.61ms. Allocated memory was 273.7MB in the beginning and 392.2MB in the end (delta: 118.5MB). Free memory was 196.5MB in the beginning and 223.7MB in the end (delta: -27.2MB). Peak memory consumption was 192.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 819.99ms. Allocated memory was 392.2MB in the beginning and 784.3MB in the end (delta: 392.2MB). Free memory was 223.7MB in the beginning and 530.4MB in the end (delta: -306.7MB). Peak memory consumption was 146.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 976.97ms. Allocated memory is still 784.3MB. Free memory was 530.4MB in the beginning and 469.0MB in the end (delta: 61.3MB). Peak memory consumption was 86.5MB. Max. memory is 8.0GB. * RCFGBuilder took 72993.82ms. Allocated memory was 784.3MB in the beginning and 1.6GB in the end (delta: 864.0MB). Free memory was 469.0MB in the beginning and 1.2GB in the end (delta: -738.2MB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. * TraceAbstraction took 784487.80ms. Allocated memory was 1.6GB in the beginning and 1.9GB in the end (delta: 254.8MB). Free memory was 1.2GB in the beginning and 1.2GB in the end (delta: 48.6MB). Peak memory consumption was 796.8MB. 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 299 with TraceHistMax 48,while AutomatonFreeRefinementEngine was Timeout during feasibility check between IpTcStrategyModuleMathsat [505606923] and IpTcStrategyModuleCvc4 [787230645]. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 44 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 784.4s, OverallIterations: 4, TraceHistogramMax: 48, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 49.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 7 mSolverCounterUnknown, 45 SdHoareTripleChecker+Valid, 48.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 45 mSDsluCounter, 423 SdHoareTripleChecker+Invalid, 47.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 293 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 631 IncrementalHoareTripleChecker+Invalid, 663 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 130 mSDtfsCounter, 631 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 610 GetRequests, 586 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=111occurred in iteration=3, InterpolantAutomatonStates: 17, 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, 3 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 8.1s SsaConstructionTime, 615.9s SatisfiabilityAnalysisTime, 9.8s InterpolantComputationTime, 598 NumberOfCodeBlocks, 598 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 594 ConstructedInterpolants, 0 QuantifiedInterpolants, 2529 SizeOfPredicates, 105 NumberOfNonLiveVariables, 60342 ConjunctsInSsa, 108 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 4802/4996 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