/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_codestructure_dependencies_file-26.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 10:07:18,846 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 10:07:18,899 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-16 10:07:18,903 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 10:07:18,904 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 10:07:18,925 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 10:07:18,926 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 10:07:18,926 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 10:07:18,927 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 10:07:18,927 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 10:07:18,927 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 10:07:18,928 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 10:07:18,928 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 10:07:18,929 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 10:07:18,929 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 10:07:18,929 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 10:07:18,930 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 10:07:18,930 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 10:07:18,930 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 10:07:18,930 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 10:07:18,931 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 10:07:18,931 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 10:07:18,932 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 10:07:18,932 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-16 10:07:18,932 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-16 10:07:18,932 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 10:07:18,933 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-16 10:07:18,933 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 10:07:18,933 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 10:07:18,934 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 10:07:18,934 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 10:07:18,934 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 10:07:18,935 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 10:07:18,935 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 10:07:18,935 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 10:07:18,936 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 10:07:18,936 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 10:07:18,936 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 10:07:18,937 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-16 10:07:18,937 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-16 10:07:18,937 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 10:07:18,941 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 10:07:18,941 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 10:07:18,942 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 10:07:18,942 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 10:07:18,942 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-16 10:07:18,942 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-16 10:07:19,202 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 10:07:19,226 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 10:07:19,228 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 10:07:19,230 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 10:07:19,230 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 10:07:19,232 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_codestructure_dependencies_file-26.i [2023-12-16 10:07:20,479 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 10:07:20,684 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 10:07:20,685 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_codestructure_dependencies_file-26.i [2023-12-16 10:07:20,693 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65d149761/a196bf228f4e4acb8998bcf6e974c996/FLAGf17869be1 [2023-12-16 10:07:20,704 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65d149761/a196bf228f4e4acb8998bcf6e974c996 [2023-12-16 10:07:20,706 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 10:07:20,707 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 10:07:20,708 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 10:07:20,708 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 10:07:20,719 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 10:07:20,720 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 10:07:20" (1/1) ... [2023-12-16 10:07:20,721 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24c88783 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:07:20, skipping insertion in model container [2023-12-16 10:07:20,721 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 10:07:20" (1/1) ... [2023-12-16 10:07:20,765 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 10:07:20,921 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_codestructure_dependencies_file-26.i[919,932] [2023-12-16 10:07:20,967 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 10:07:20,979 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 10:07:20,988 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_codestructure_dependencies_file-26.i[919,932] [2023-12-16 10:07:21,030 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 10:07:21,045 INFO L206 MainTranslator]: Completed translation [2023-12-16 10:07:21,046 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:07:21 WrapperNode [2023-12-16 10:07:21,046 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 10:07:21,047 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 10:07:21,047 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 10:07:21,047 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 10:07:21,053 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:07:21" (1/1) ... [2023-12-16 10:07:21,064 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:07:21" (1/1) ... [2023-12-16 10:07:21,086 INFO L138 Inliner]: procedures = 27, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 133 [2023-12-16 10:07:21,086 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 10:07:21,087 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 10:07:21,087 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 10:07:21,087 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 10:07:21,097 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:07:21" (1/1) ... [2023-12-16 10:07:21,097 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:07:21" (1/1) ... [2023-12-16 10:07:21,104 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:07:21" (1/1) ... [2023-12-16 10:07:21,124 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-12-16 10:07:21,124 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:07:21" (1/1) ... [2023-12-16 10:07:21,124 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:07:21" (1/1) ... [2023-12-16 10:07:21,132 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:07:21" (1/1) ... [2023-12-16 10:07:21,145 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:07:21" (1/1) ... [2023-12-16 10:07:21,147 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:07:21" (1/1) ... [2023-12-16 10:07:21,149 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:07:21" (1/1) ... [2023-12-16 10:07:21,152 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 10:07:21,153 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 10:07:21,153 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 10:07:21,153 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 10:07:21,154 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:07:21" (1/1) ... [2023-12-16 10:07:21,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 10:07:21,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 10:07:21,192 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-16 10:07:21,194 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-16 10:07:21,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 10:07:21,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-16 10:07:21,212 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-16 10:07:21,212 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-16 10:07:21,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 10:07:21,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 10:07:21,277 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 10:07:21,279 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 10:07:34,925 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 10:07:34,982 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 10:07:34,983 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 10:07:34,983 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 10:07:34 BoogieIcfgContainer [2023-12-16 10:07:34,983 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 10:07:34,985 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 10:07:34,985 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 10:07:34,988 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 10:07:34,988 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 10:07:20" (1/3) ... [2023-12-16 10:07:34,989 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c3d94f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 10:07:34, skipping insertion in model container [2023-12-16 10:07:34,990 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:07:21" (2/3) ... [2023-12-16 10:07:34,990 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c3d94f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 10:07:34, skipping insertion in model container [2023-12-16 10:07:34,990 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 10:07:34" (3/3) ... [2023-12-16 10:07:34,991 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-26.i [2023-12-16 10:07:35,004 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 10:07:35,004 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 10:07:35,050 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 10:07:35,056 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;@64c601fd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 10:07:35,056 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 10:07:35,059 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 30 states have (on average 1.5) internal successors, (45), 31 states have internal predecessors, (45), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-12-16 10:07:35,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-12-16 10:07:35,070 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 10:07:35,070 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 10:07:35,071 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 10:07:35,075 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 10:07:35,075 INFO L85 PathProgramCache]: Analyzing trace with hash 1120218159, now seen corresponding path program 1 times [2023-12-16 10:07:35,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 10:07:35,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [143416710] [2023-12-16 10:07:35,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 10:07:35,088 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 10:07:35,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 10:07:35,092 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 10:07:35,152 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-16 10:07:36,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 10:07:36,119 INFO L262 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-16 10:07:36,127 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 10:07:36,172 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 298 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2023-12-16 10:07:36,173 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 10:07:36,176 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 10:07:36,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [143416710] [2023-12-16 10:07:36,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [143416710] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 10:07:36,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 10:07:36,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 10:07:36,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918460047] [2023-12-16 10:07:36,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 10:07:36,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-16 10:07:36,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 10:07:36,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-16 10:07:36,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 10:07:36,208 INFO L87 Difference]: Start difference. First operand has 51 states, 30 states have (on average 1.5) internal successors, (45), 31 states have internal predecessors, (45), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-16 10:07:40,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.68s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 10:07:40,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 10:07:40,946 INFO L93 Difference]: Finished difference Result 99 states and 178 transitions. [2023-12-16 10:07:41,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-16 10:07:41,189 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 111 [2023-12-16 10:07:41,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 10:07:41,194 INFO L225 Difference]: With dead ends: 99 [2023-12-16 10:07:41,194 INFO L226 Difference]: Without dead ends: 49 [2023-12-16 10:07:41,196 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 10:07:41,198 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2023-12-16 10:07:41,199 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 73 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2023-12-16 10:07:41,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2023-12-16 10:07:41,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2023-12-16 10:07:41,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 29 states have (on average 1.3793103448275863) internal successors, (40), 29 states have internal predecessors, (40), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-12-16 10:07:41,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 76 transitions. [2023-12-16 10:07:41,231 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 76 transitions. Word has length 111 [2023-12-16 10:07:41,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 10:07:41,231 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 76 transitions. [2023-12-16 10:07:41,231 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-16 10:07:41,231 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 76 transitions. [2023-12-16 10:07:41,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-12-16 10:07:41,234 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 10:07:41,234 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 10:07:41,255 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 [2023-12-16 10:07:41,437 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 10:07:41,438 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 10:07:41,439 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 10:07:41,439 INFO L85 PathProgramCache]: Analyzing trace with hash -26933837, now seen corresponding path program 1 times [2023-12-16 10:07:41,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 10:07:41,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1362738541] [2023-12-16 10:07:41,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 10:07:41,440 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 10:07:41,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 10:07:41,441 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 10:07:41,443 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-16 10:07:42,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 10:07:42,362 INFO L262 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 10:07:42,370 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 10:07:42,477 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2023-12-16 10:07:42,477 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 10:07:42,478 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 10:07:42,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1362738541] [2023-12-16 10:07:42,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1362738541] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 10:07:42,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 10:07:42,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 10:07:42,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815551645] [2023-12-16 10:07:42,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 10:07:42,481 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 10:07:42,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 10:07:42,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 10:07:42,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 10:07:42,482 INFO L87 Difference]: Start difference. First operand 49 states and 76 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-12-16 10:07:47,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.69s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 10:07:51,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 10:07:55,997 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 10:07:56,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 10:07:56,279 INFO L93 Difference]: Finished difference Result 119 states and 183 transitions. [2023-12-16 10:07:56,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 10:07:56,280 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 111 [2023-12-16 10:07:56,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 10:07:56,282 INFO L225 Difference]: With dead ends: 119 [2023-12-16 10:07:56,282 INFO L226 Difference]: Without dead ends: 71 [2023-12-16 10:07:56,283 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 10:07:56,284 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 29 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.8s IncrementalHoareTripleChecker+Time [2023-12-16 10:07:56,285 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 148 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 3 Unknown, 0 Unchecked, 13.8s Time] [2023-12-16 10:07:56,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2023-12-16 10:07:56,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 68. [2023-12-16 10:07:56,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 44 states have (on average 1.4318181818181819) internal successors, (63), 45 states have internal predecessors, (63), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) [2023-12-16 10:07:56,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 105 transitions. [2023-12-16 10:07:56,299 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 105 transitions. Word has length 111 [2023-12-16 10:07:56,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 10:07:56,300 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 105 transitions. [2023-12-16 10:07:56,300 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-12-16 10:07:56,300 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 105 transitions. [2023-12-16 10:07:56,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-16 10:07:56,302 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 10:07:56,302 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 10:07:56,327 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-12-16 10:07:56,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 10:07:56,517 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 10:07:56,517 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 10:07:56,517 INFO L85 PathProgramCache]: Analyzing trace with hash -1524997587, now seen corresponding path program 1 times [2023-12-16 10:07:56,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 10:07:56,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1544426877] [2023-12-16 10:07:56,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 10:07:56,519 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 10:07:56,519 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 10:07:56,521 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) [2023-12-16 10:07:56,522 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 [2023-12-16 10:07:57,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 10:07:57,443 INFO L262 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-16 10:07:57,447 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 10:07:59,442 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2023-12-16 10:07:59,442 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 10:07:59,445 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 10:07:59,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1544426877] [2023-12-16 10:07:59,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1544426877] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 10:07:59,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 10:07:59,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 10:07:59,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334349924] [2023-12-16 10:07:59,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 10:07:59,449 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 10:07:59,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 10:07:59,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 10:07:59,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 10:07:59,450 INFO L87 Difference]: Start difference. First operand 68 states and 105 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-12-16 10:08:02,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.41s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 10:08:03,697 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 10:08:08,448 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.69s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 10:08:12,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 10:08:16,553 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 10:08:21,605 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.65s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 10:08:25,630 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 10:08:29,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 10:08:29,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 10:08:29,658 INFO L93 Difference]: Finished difference Result 204 states and 316 transitions. [2023-12-16 10:08:29,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 10:08:29,926 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 112 [2023-12-16 10:08:29,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 10:08:29,930 INFO L225 Difference]: With dead ends: 204 [2023-12-16 10:08:29,930 INFO L226 Difference]: Without dead ends: 137 [2023-12-16 10:08:29,931 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-16 10:08:29,932 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 58 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 37 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.1s IncrementalHoareTripleChecker+Time [2023-12-16 10:08:29,932 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 210 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 23 Invalid, 6 Unknown, 0 Unchecked, 30.1s Time] [2023-12-16 10:08:29,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2023-12-16 10:08:29,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 119. [2023-12-16 10:08:29,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 76 states have (on average 1.4210526315789473) internal successors, (108), 77 states have internal predecessors, (108), 39 states have call successors, (39), 3 states have call predecessors, (39), 3 states have return successors, (39), 38 states have call predecessors, (39), 39 states have call successors, (39) [2023-12-16 10:08:29,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 186 transitions. [2023-12-16 10:08:29,968 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 186 transitions. Word has length 112 [2023-12-16 10:08:29,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 10:08:29,969 INFO L495 AbstractCegarLoop]: Abstraction has 119 states and 186 transitions. [2023-12-16 10:08:29,969 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-12-16 10:08:29,969 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 186 transitions. [2023-12-16 10:08:29,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-16 10:08:29,971 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 10:08:29,971 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 10:08:29,992 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-12-16 10:08:30,173 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 10:08:30,174 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 10:08:30,178 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 10:08:30,178 INFO L85 PathProgramCache]: Analyzing trace with hash 250009775, now seen corresponding path program 1 times [2023-12-16 10:08:30,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 10:08:30,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [713897014] [2023-12-16 10:08:30,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 10:08:30,180 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 10:08:30,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 10:08:30,181 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 10:08:30,183 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 (5)] Waiting until timeout for monitored process [2023-12-16 10:08:31,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 10:08:31,066 INFO L262 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-16 10:08:31,072 INFO L285 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2023-12-16 10:08:35,205 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 (5)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-16 10:08:35,205 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 10:08:35,227 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-16 10:08:35,235 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 (5)] Forceful destruction successful, exit code 0 [2023-12-16 10:08:35,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 10:08:35,417 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 113 with TraceHistMax 18,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-3-2-1 context. [2023-12-16 10:08:35,422 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-12-16 10:08:35,425 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 10:08:35,427 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 10:08:35 BoogieIcfgContainer [2023-12-16 10:08:35,427 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 10:08:35,427 INFO L158 Benchmark]: Toolchain (without parser) took 74720.69ms. Allocated memory is still 357.6MB. Free memory was 303.9MB in the beginning and 295.8MB in the end (delta: 8.1MB). Peak memory consumption was 9.6MB. Max. memory is 8.0GB. [2023-12-16 10:08:35,428 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 212.9MB. Free memory is still 163.1MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 10:08:35,428 INFO L158 Benchmark]: CACSL2BoogieTranslator took 338.76ms. Allocated memory is still 357.6MB. Free memory was 303.9MB in the beginning and 289.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2023-12-16 10:08:35,428 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.13ms. Allocated memory is still 357.6MB. Free memory was 289.2MB in the beginning and 286.7MB in the end (delta: 2.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-16 10:08:35,428 INFO L158 Benchmark]: Boogie Preprocessor took 65.31ms. Allocated memory is still 357.6MB. Free memory was 286.7MB in the beginning and 283.6MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-16 10:08:35,429 INFO L158 Benchmark]: RCFGBuilder took 13830.58ms. Allocated memory is still 357.6MB. Free memory was 283.6MB in the beginning and 262.6MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2023-12-16 10:08:35,429 INFO L158 Benchmark]: TraceAbstraction took 60441.59ms. Allocated memory is still 357.6MB. Free memory was 261.9MB in the beginning and 295.8MB in the end (delta: -33.9MB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 10:08:35,430 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 212.9MB. Free memory is still 163.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 338.76ms. Allocated memory is still 357.6MB. Free memory was 303.9MB in the beginning and 289.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 39.13ms. Allocated memory is still 357.6MB. Free memory was 289.2MB in the beginning and 286.7MB in the end (delta: 2.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 65.31ms. Allocated memory is still 357.6MB. Free memory was 286.7MB in the beginning and 283.6MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 13830.58ms. Allocated memory is still 357.6MB. Free memory was 283.6MB in the beginning and 262.6MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * TraceAbstraction took 60441.59ms. Allocated memory is still 357.6MB. Free memory was 261.9MB in the beginning and 295.8MB in the end (delta: -33.9MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 19]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 19). Cancelled while NwaCegarLoop was analyzing trace of length 113 with TraceHistMax 18,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-3-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 51 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 60.4s, OverallIterations: 4, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 49.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 10 mSolverCounterUnknown, 87 SdHoareTripleChecker+Valid, 48.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 87 mSDsluCounter, 431 SdHoareTripleChecker+Invalid, 47.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 201 mSDsCounter, 37 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 38 IncrementalHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 37 mSolverCounterUnsat, 230 mSDtfsCounter, 38 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 332 GetRequests, 328 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=119occurred in iteration=3, InterpolantAutomatonStates: 9, 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, 21 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 2.5s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 334 NumberOfCodeBlocks, 334 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 331 ConstructedInterpolants, 0 QuantifiedInterpolants, 547 SizeOfPredicates, 3 NumberOfNonLiveVariables, 589 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 1836/1836 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