/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/psyco/psyco_net_1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 09:57:32,964 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 09:57:33,015 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-16 09:57:33,021 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 09:57:33,022 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 09:57:33,052 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 09:57:33,053 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 09:57:33,053 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 09:57:33,054 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 09:57:33,054 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 09:57:33,054 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 09:57:33,054 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 09:57:33,055 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 09:57:33,055 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 09:57:33,055 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 09:57:33,055 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 09:57:33,055 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 09:57:33,056 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 09:57:33,056 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 09:57:33,056 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 09:57:33,056 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 09:57:33,057 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 09:57:33,057 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 09:57:33,057 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-16 09:57:33,057 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-16 09:57:33,058 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 09:57:33,058 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-16 09:57:33,058 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 09:57:33,058 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 09:57:33,058 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 09:57:33,059 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 09:57:33,059 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 09:57:33,059 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 09:57:33,059 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 09:57:33,059 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 09:57:33,060 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 09:57:33,060 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 09:57:33,060 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 09:57:33,060 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-16 09:57:33,061 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-16 09:57:33,061 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 09:57:33,067 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 09:57:33,067 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 09:57:33,067 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 09:57:33,067 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 09:57:33,067 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-16 09:57:33,067 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-16 09:57:33,281 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 09:57:33,300 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 09:57:33,302 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 09:57:33,303 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 09:57:33,304 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 09:57:33,305 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/psyco/psyco_net_1.c [2023-12-16 09:57:34,353 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 09:57:34,880 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 09:57:34,881 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/psyco/psyco_net_1.c [2023-12-16 09:57:34,965 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c6ba1a98/6701350a0d9a49f6b3dffc4456fa19f9/FLAGaa2a330fc [2023-12-16 09:57:34,978 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c6ba1a98/6701350a0d9a49f6b3dffc4456fa19f9 [2023-12-16 09:57:34,980 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 09:57:34,981 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 09:57:34,982 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 09:57:34,982 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 09:57:34,990 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 09:57:34,990 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 09:57:34" (1/1) ... [2023-12-16 09:57:34,991 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a46a0b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:57:34, skipping insertion in model container [2023-12-16 09:57:34,991 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 09:57:34" (1/1) ... [2023-12-16 09:57:35,237 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 09:57:36,234 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/psyco/psyco_net_1.c[2349407,2349420] [2023-12-16 09:57:36,280 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 09:57:36,295 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 09:57:36,776 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/psyco/psyco_net_1.c[2349407,2349420] [2023-12-16 09:57:36,803 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 09:57:36,814 INFO L206 MainTranslator]: Completed translation [2023-12-16 09:57:36,814 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:57:36 WrapperNode [2023-12-16 09:57:36,814 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 09:57:36,815 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 09:57:36,815 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 09:57:36,815 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 09:57:36,820 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:57:36" (1/1) ... [2023-12-16 09:57:36,998 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:57:36" (1/1) ... [2023-12-16 09:57:37,593 INFO L138 Inliner]: procedures = 12, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 50075 [2023-12-16 09:57:37,593 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 09:57:37,594 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 09:57:37,594 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 09:57:37,594 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 09:57:37,602 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:57:36" (1/1) ... [2023-12-16 09:57:37,602 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:57:36" (1/1) ... [2023-12-16 09:57:37,754 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:57:36" (1/1) ... [2023-12-16 09:57:37,983 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-12-16 09:57:37,984 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:57:36" (1/1) ... [2023-12-16 09:57:37,984 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:57:36" (1/1) ... [2023-12-16 09:57:38,253 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:57:36" (1/1) ... [2023-12-16 09:57:38,370 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:57:36" (1/1) ... [2023-12-16 09:57:38,420 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:57:36" (1/1) ... [2023-12-16 09:57:38,469 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:57:36" (1/1) ... [2023-12-16 09:57:38,608 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 09:57:38,609 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 09:57:38,609 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 09:57:38,609 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 09:57:38,610 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:57:36" (1/1) ... [2023-12-16 09:57:38,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 09:57:38,621 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 09:57:38,631 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-16 09:57:38,634 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-16 09:57:38,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 09:57:38,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 09:57:38,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 09:57:38,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-16 09:57:39,265 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 09:57:39,266 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 09:57:51,902 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 09:57:52,053 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 09:57:52,053 INFO L309 CfgBuilder]: Removed 1130 assume(true) statements. [2023-12-16 09:57:52,053 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 09:57:52 BoogieIcfgContainer [2023-12-16 09:57:52,054 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 09:57:52,056 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 09:57:52,056 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 09:57:52,058 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 09:57:52,058 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 09:57:34" (1/3) ... [2023-12-16 09:57:52,059 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d677897 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 09:57:52, skipping insertion in model container [2023-12-16 09:57:52,059 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:57:36" (2/3) ... [2023-12-16 09:57:52,059 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d677897 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 09:57:52, skipping insertion in model container [2023-12-16 09:57:52,059 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 09:57:52" (3/3) ... [2023-12-16 09:57:52,060 INFO L112 eAbstractionObserver]: Analyzing ICFG psyco_net_1.c [2023-12-16 09:57:52,072 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 09:57:52,072 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 09:57:52,201 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 09:57:52,206 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;@457f79b4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 09:57:52,206 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 09:57:52,235 INFO L276 IsEmpty]: Start isEmpty. Operand has 9209 states, 9207 states have (on average 1.9996741609644835) internal successors, (18411), 9208 states have internal predecessors, (18411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 09:57:52,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-16 09:57:52,240 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 09:57:52,241 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 09:57:52,241 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 09:57:52,246 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 09:57:52,246 INFO L85 PathProgramCache]: Analyzing trace with hash 182211473, now seen corresponding path program 1 times [2023-12-16 09:57:52,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 09:57:52,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2130175416] [2023-12-16 09:57:52,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 09:57:52,256 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 09:57:52,256 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 09:57:52,258 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 09:57:52,264 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-16 09:57:52,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 09:57:52,740 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-16 09:57:52,753 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 09:57:52,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 09:57:52,768 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 09:57:52,768 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 09:57:52,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2130175416] [2023-12-16 09:57:52,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2130175416] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 09:57:52,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 09:57:52,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 09:57:52,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075105950] [2023-12-16 09:57:52,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 09:57:52,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-16 09:57:52,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 09:57:52,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-16 09:57:52,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 09:57:52,817 INFO L87 Difference]: Start difference. First operand has 9209 states, 9207 states have (on average 1.9996741609644835) internal successors, (18411), 9208 states have internal predecessors, (18411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 09:57:53,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 09:57:53,035 INFO L93 Difference]: Finished difference Result 17695 states and 35377 transitions. [2023-12-16 09:57:53,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-16 09:57:53,038 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2023-12-16 09:57:53,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 09:57:53,075 INFO L225 Difference]: With dead ends: 17695 [2023-12-16 09:57:53,075 INFO L226 Difference]: Without dead ends: 8279 [2023-12-16 09:57:53,090 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 09:57:53,093 INFO L413 NwaCegarLoop]: 14143 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 14143 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 09:57:53,093 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 14143 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 09:57:53,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8279 states. [2023-12-16 09:57:53,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8279 to 8279. [2023-12-16 09:57:53,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8279 states, 8278 states have (on average 1.5699444310219859) internal successors, (12996), 8278 states have internal predecessors, (12996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 09:57:53,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8279 states to 8279 states and 12996 transitions. [2023-12-16 09:57:53,260 INFO L78 Accepts]: Start accepts. Automaton has 8279 states and 12996 transitions. Word has length 8 [2023-12-16 09:57:53,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 09:57:53,261 INFO L495 AbstractCegarLoop]: Abstraction has 8279 states and 12996 transitions. [2023-12-16 09:57:53,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 09:57:53,261 INFO L276 IsEmpty]: Start isEmpty. Operand 8279 states and 12996 transitions. [2023-12-16 09:57:53,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-16 09:57:53,261 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 09:57:53,261 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 09:57:53,269 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 09:57:53,464 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 09:57:53,464 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 09:57:53,465 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 09:57:53,465 INFO L85 PathProgramCache]: Analyzing trace with hash 1884649833, now seen corresponding path program 1 times [2023-12-16 09:57:53,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 09:57:53,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [295722660] [2023-12-16 09:57:53,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 09:57:53,466 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 09:57:53,466 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 09:57:53,467 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 09:57:53,467 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-16 09:57:53,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 09:57:53,968 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 09:57:53,973 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 09:57:53,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 09:57:53,985 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 09:57:53,985 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 09:57:53,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [295722660] [2023-12-16 09:57:53,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [295722660] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 09:57:53,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 09:57:53,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 09:57:53,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512029234] [2023-12-16 09:57:53,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 09:57:53,990 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 09:57:53,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 09:57:53,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 09:57:53,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 09:57:53,991 INFO L87 Difference]: Start difference. First operand 8279 states and 12996 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 09:57:55,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 09:57:55,937 INFO L93 Difference]: Finished difference Result 16560 states and 25995 transitions. [2023-12-16 09:57:55,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 09:57:55,938 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2023-12-16 09:57:55,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 09:57:55,962 INFO L225 Difference]: With dead ends: 16560 [2023-12-16 09:57:55,962 INFO L226 Difference]: Without dead ends: 8282 [2023-12-16 09:57:55,973 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 09:57:55,974 INFO L413 NwaCegarLoop]: 12994 mSDtfsCounter, 4 mSDsluCounter, 11519 mSDsCounter, 0 mSdLazyCounter, 1474 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 24513 SdHoareTripleChecker+Invalid, 1475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1474 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-12-16 09:57:55,974 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 24513 Invalid, 1475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1474 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-12-16 09:57:55,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8282 states. [2023-12-16 09:57:56,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8282 to 8282. [2023-12-16 09:57:56,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8282 states, 8281 states have (on average 1.569737954353339) internal successors, (12999), 8281 states have internal predecessors, (12999), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 09:57:56,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8282 states to 8282 states and 12999 transitions. [2023-12-16 09:57:56,105 INFO L78 Accepts]: Start accepts. Automaton has 8282 states and 12999 transitions. Word has length 9 [2023-12-16 09:57:56,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 09:57:56,105 INFO L495 AbstractCegarLoop]: Abstraction has 8282 states and 12999 transitions. [2023-12-16 09:57:56,106 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 09:57:56,106 INFO L276 IsEmpty]: Start isEmpty. Operand 8282 states and 12999 transitions. [2023-12-16 09:57:56,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-16 09:57:56,107 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 09:57:56,107 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 09:57:56,112 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-12-16 09:57:56,308 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 09:57:56,308 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 09:57:56,309 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 09:57:56,309 INFO L85 PathProgramCache]: Analyzing trace with hash 897026676, now seen corresponding path program 1 times [2023-12-16 09:57:56,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 09:57:56,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [742212300] [2023-12-16 09:57:56,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 09:57:56,309 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 09:57:56,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 09:57:56,311 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 09:57:56,315 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 09:57:56,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 09:57:56,733 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 09:57:56,739 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 09:57:56,750 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 09:57:56,750 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 09:57:56,750 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 09:57:56,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [742212300] [2023-12-16 09:57:56,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [742212300] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 09:57:56,750 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 09:57:56,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 09:57:56,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674898619] [2023-12-16 09:57:56,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 09:57:56,751 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 09:57:56,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 09:57:56,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 09:57:56,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 09:57:56,752 INFO L87 Difference]: Start difference. First operand 8282 states and 12999 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 09:57:58,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 09:57:58,832 INFO L93 Difference]: Finished difference Result 16568 states and 26004 transitions. [2023-12-16 09:57:58,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 09:57:58,833 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2023-12-16 09:57:58,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 09:57:58,855 INFO L225 Difference]: With dead ends: 16568 [2023-12-16 09:57:58,856 INFO L226 Difference]: Without dead ends: 8288 [2023-12-16 09:57:58,861 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 09:57:58,862 INFO L413 NwaCegarLoop]: 12993 mSDtfsCounter, 329 mSDsluCounter, 11196 mSDsCounter, 0 mSdLazyCounter, 1443 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 329 SdHoareTripleChecker+Valid, 24189 SdHoareTripleChecker+Invalid, 1479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1443 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-12-16 09:57:58,862 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [329 Valid, 24189 Invalid, 1479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1443 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-12-16 09:57:58,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8288 states. [2023-12-16 09:57:58,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8288 to 8286. [2023-12-16 09:57:58,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8286 states, 8285 states have (on average 1.5694628847314425) internal successors, (13003), 8285 states have internal predecessors, (13003), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 09:57:58,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8286 states to 8286 states and 13003 transitions. [2023-12-16 09:57:58,992 INFO L78 Accepts]: Start accepts. Automaton has 8286 states and 13003 transitions. Word has length 14 [2023-12-16 09:57:58,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 09:57:58,992 INFO L495 AbstractCegarLoop]: Abstraction has 8286 states and 13003 transitions. [2023-12-16 09:57:58,992 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 09:57:58,993 INFO L276 IsEmpty]: Start isEmpty. Operand 8286 states and 13003 transitions. [2023-12-16 09:57:58,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-16 09:57:58,994 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 09:57:58,994 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 09:57:59,002 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 09:57:59,202 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 09:57:59,203 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 09:57:59,204 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 09:57:59,204 INFO L85 PathProgramCache]: Analyzing trace with hash 1409738145, now seen corresponding path program 1 times [2023-12-16 09:57:59,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 09:57:59,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1961618574] [2023-12-16 09:57:59,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 09:57:59,204 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 09:57:59,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 09:57:59,205 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 09:57:59,206 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 09:57:59,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 09:57:59,612 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 09:57:59,618 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 09:57:59,640 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 09:57:59,641 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 09:57:59,641 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 09:57:59,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1961618574] [2023-12-16 09:57:59,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1961618574] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 09:57:59,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 09:57:59,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 09:57:59,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977840995] [2023-12-16 09:57:59,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 09:57:59,642 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 09:57:59,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 09:57:59,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 09:57:59,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 09:57:59,642 INFO L87 Difference]: Start difference. First operand 8286 states and 13003 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 09:58:02,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 09:58:02,879 INFO L93 Difference]: Finished difference Result 16490 states and 25884 transitions. [2023-12-16 09:58:02,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 09:58:02,880 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2023-12-16 09:58:02,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 09:58:02,893 INFO L225 Difference]: With dead ends: 16490 [2023-12-16 09:58:02,893 INFO L226 Difference]: Without dead ends: 8164 [2023-12-16 09:58:02,903 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 09:58:02,904 INFO L413 NwaCegarLoop]: 9996 mSDtfsCounter, 11116 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2419 mSolverCounterSat, 1749 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11116 SdHoareTripleChecker+Valid, 9996 SdHoareTripleChecker+Invalid, 4168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1749 IncrementalHoareTripleChecker+Valid, 2419 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-12-16 09:58:02,904 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11116 Valid, 9996 Invalid, 4168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1749 Valid, 2419 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2023-12-16 09:58:02,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8164 states. [2023-12-16 09:58:02,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8164 to 8164. [2023-12-16 09:58:03,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8164 states, 8163 states have (on average 1.516599289476908) internal successors, (12380), 8163 states have internal predecessors, (12380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 09:58:03,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8164 states to 8164 states and 12380 transitions. [2023-12-16 09:58:03,018 INFO L78 Accepts]: Start accepts. Automaton has 8164 states and 12380 transitions. Word has length 18 [2023-12-16 09:58:03,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 09:58:03,019 INFO L495 AbstractCegarLoop]: Abstraction has 8164 states and 12380 transitions. [2023-12-16 09:58:03,019 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 09:58:03,019 INFO L276 IsEmpty]: Start isEmpty. Operand 8164 states and 12380 transitions. [2023-12-16 09:58:03,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-16 09:58:03,020 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 09:58:03,020 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 09:58:03,027 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 (5)] Ended with exit code 0 [2023-12-16 09:58:03,222 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 09:58:03,225 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 09:58:03,225 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 09:58:03,225 INFO L85 PathProgramCache]: Analyzing trace with hash 1096116993, now seen corresponding path program 1 times [2023-12-16 09:58:03,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 09:58:03,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1651397896] [2023-12-16 09:58:03,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 09:58:03,226 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 09:58:03,226 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 09:58:03,227 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) [2023-12-16 09:58:03,227 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 [2023-12-16 09:58:03,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 09:58:03,640 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 09:58:03,645 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 09:58:03,668 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 09:58:03,668 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 09:58:03,668 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 09:58:03,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1651397896] [2023-12-16 09:58:03,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1651397896] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 09:58:03,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 09:58:03,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 09:58:03,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065579779] [2023-12-16 09:58:03,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 09:58:03,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 09:58:03,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 09:58:03,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 09:58:03,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 09:58:03,670 INFO L87 Difference]: Start difference. First operand 8164 states and 12380 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 09:58:07,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 09:58:07,584 INFO L93 Difference]: Finished difference Result 24488 states and 37136 transitions. [2023-12-16 09:58:07,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 09:58:07,585 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2023-12-16 09:58:07,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 09:58:07,614 INFO L225 Difference]: With dead ends: 24488 [2023-12-16 09:58:07,614 INFO L226 Difference]: Without dead ends: 16276 [2023-12-16 09:58:07,626 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 09:58:07,627 INFO L413 NwaCegarLoop]: 10922 mSDtfsCounter, 11045 mSDsluCounter, 10880 mSDsCounter, 0 mSdLazyCounter, 2812 mSolverCounterSat, 1427 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11045 SdHoareTripleChecker+Valid, 21802 SdHoareTripleChecker+Invalid, 4239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1427 IncrementalHoareTripleChecker+Valid, 2812 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2023-12-16 09:58:07,627 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11045 Valid, 21802 Invalid, 4239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1427 Valid, 2812 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2023-12-16 09:58:07,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16276 states. [2023-12-16 09:58:07,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16276 to 14962. [2023-12-16 09:58:07,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14962 states, 14961 states have (on average 1.5566472829356326) internal successors, (23289), 14961 states have internal predecessors, (23289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 09:58:08,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14962 states to 14962 states and 23289 transitions. [2023-12-16 09:58:08,007 INFO L78 Accepts]: Start accepts. Automaton has 14962 states and 23289 transitions. Word has length 22 [2023-12-16 09:58:08,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 09:58:08,007 INFO L495 AbstractCegarLoop]: Abstraction has 14962 states and 23289 transitions. [2023-12-16 09:58:08,007 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 09:58:08,009 INFO L276 IsEmpty]: Start isEmpty. Operand 14962 states and 23289 transitions. [2023-12-16 09:58:08,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-16 09:58:08,012 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 09:58:08,016 INFO L195 NwaCegarLoop]: trace histogram [2, 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 09:58:08,019 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 (6)] Ended with exit code 0 [2023-12-16 09:58:08,218 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 09:58:08,219 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 09:58:08,219 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 09:58:08,219 INFO L85 PathProgramCache]: Analyzing trace with hash 1423449426, now seen corresponding path program 1 times [2023-12-16 09:58:08,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 09:58:08,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [956940687] [2023-12-16 09:58:08,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 09:58:08,220 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 09:58:08,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 09:58:08,222 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 09:58:08,222 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 (7)] Waiting until timeout for monitored process [2023-12-16 09:58:08,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 09:58:08,663 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-16 09:58:08,668 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 09:58:08,742 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 09:58:08,743 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 09:58:08,743 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 09:58:08,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [956940687] [2023-12-16 09:58:08,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [956940687] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 09:58:08,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 09:58:08,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 09:58:08,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761505859] [2023-12-16 09:58:08,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 09:58:08,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 09:58:08,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 09:58:08,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 09:58:08,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 09:58:08,744 INFO L87 Difference]: Start difference. First operand 14962 states and 23289 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 09:58:14,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 09:58:14,173 INFO L93 Difference]: Finished difference Result 37762 states and 58559 transitions. [2023-12-16 09:58:14,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 09:58:14,174 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2023-12-16 09:58:14,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 09:58:14,208 INFO L225 Difference]: With dead ends: 37762 [2023-12-16 09:58:14,208 INFO L226 Difference]: Without dead ends: 22520 [2023-12-16 09:58:14,225 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 09:58:14,226 INFO L413 NwaCegarLoop]: 10500 mSDtfsCounter, 10474 mSDsluCounter, 9628 mSDsCounter, 0 mSdLazyCounter, 4456 mSolverCounterSat, 1487 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10474 SdHoareTripleChecker+Valid, 20128 SdHoareTripleChecker+Invalid, 5943 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1487 IncrementalHoareTripleChecker+Valid, 4456 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2023-12-16 09:58:14,226 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10474 Valid, 20128 Invalid, 5943 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1487 Valid, 4456 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2023-12-16 09:58:14,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22520 states. [2023-12-16 09:58:14,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22520 to 21280. [2023-12-16 09:58:14,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21280 states, 21279 states have (on average 1.5519056346632831) internal successors, (33023), 21279 states have internal predecessors, (33023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 09:58:14,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21280 states to 21280 states and 33023 transitions. [2023-12-16 09:58:14,505 INFO L78 Accepts]: Start accepts. Automaton has 21280 states and 33023 transitions. Word has length 24 [2023-12-16 09:58:14,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 09:58:14,505 INFO L495 AbstractCegarLoop]: Abstraction has 21280 states and 33023 transitions. [2023-12-16 09:58:14,507 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 09:58:14,507 INFO L276 IsEmpty]: Start isEmpty. Operand 21280 states and 33023 transitions. [2023-12-16 09:58:14,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-16 09:58:14,509 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 09:58:14,510 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 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 09:58:14,513 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 (7)] Forceful destruction successful, exit code 0 [2023-12-16 09:58:14,713 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 09:58:14,715 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 09:58:14,715 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 09:58:14,716 INFO L85 PathProgramCache]: Analyzing trace with hash 1092028023, now seen corresponding path program 1 times [2023-12-16 09:58:14,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 09:58:14,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [827255622] [2023-12-16 09:58:14,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 09:58:14,716 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 09:58:14,716 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 09:58:14,718 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 09:58:14,718 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 (8)] Waiting until timeout for monitored process [2023-12-16 09:58:15,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 09:58:15,184 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-16 09:58:15,190 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 09:58:15,258 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 09:58:15,258 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 09:58:15,259 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 09:58:15,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [827255622] [2023-12-16 09:58:15,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [827255622] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 09:58:15,259 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 09:58:15,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 09:58:15,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077609849] [2023-12-16 09:58:15,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 09:58:15,259 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 09:58:15,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 09:58:15,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 09:58:15,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 09:58:15,260 INFO L87 Difference]: Start difference. First operand 21280 states and 33023 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 09:58:21,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 09:58:21,456 INFO L93 Difference]: Finished difference Result 63806 states and 99005 transitions. [2023-12-16 09:58:21,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 09:58:21,456 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2023-12-16 09:58:21,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 09:58:21,509 INFO L225 Difference]: With dead ends: 63806 [2023-12-16 09:58:21,509 INFO L226 Difference]: Without dead ends: 42528 [2023-12-16 09:58:21,524 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 09:58:21,524 INFO L413 NwaCegarLoop]: 21588 mSDtfsCounter, 11013 mSDsluCounter, 9572 mSDsCounter, 0 mSdLazyCounter, 5598 mSolverCounterSat, 1148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11013 SdHoareTripleChecker+Valid, 31160 SdHoareTripleChecker+Invalid, 6746 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1148 IncrementalHoareTripleChecker+Valid, 5598 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2023-12-16 09:58:21,525 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11013 Valid, 31160 Invalid, 6746 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1148 Valid, 5598 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2023-12-16 09:58:21,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42528 states. [2023-12-16 09:58:21,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42528 to 40444. [2023-12-16 09:58:21,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40444 states, 40443 states have (on average 1.5746606334841629) internal successors, (63684), 40443 states have internal predecessors, (63684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 09:58:22,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40444 states to 40444 states and 63684 transitions. [2023-12-16 09:58:22,025 INFO L78 Accepts]: Start accepts. Automaton has 40444 states and 63684 transitions. Word has length 29 [2023-12-16 09:58:22,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 09:58:22,026 INFO L495 AbstractCegarLoop]: Abstraction has 40444 states and 63684 transitions. [2023-12-16 09:58:22,026 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 09:58:22,026 INFO L276 IsEmpty]: Start isEmpty. Operand 40444 states and 63684 transitions. [2023-12-16 09:58:22,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-16 09:58:22,026 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 09:58:22,026 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 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 09:58:22,031 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 (8)] Ended with exit code 0 [2023-12-16 09:58:22,229 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 09:58:22,229 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 09:58:22,230 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 09:58:22,230 INFO L85 PathProgramCache]: Analyzing trace with hash -197265190, now seen corresponding path program 1 times [2023-12-16 09:58:22,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 09:58:22,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1182585778] [2023-12-16 09:58:22,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 09:58:22,230 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 09:58:22,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 09:58:22,231 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 09:58:22,232 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 (9)] Waiting until timeout for monitored process [2023-12-16 09:58:22,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 09:58:22,676 INFO L262 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 09:58:22,681 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 09:58:22,701 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-16 09:58:22,701 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 09:58:22,701 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 09:58:22,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1182585778] [2023-12-16 09:58:22,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1182585778] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 09:58:22,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 09:58:22,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 09:58:22,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243665703] [2023-12-16 09:58:22,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 09:58:22,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 09:58:22,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 09:58:22,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 09:58:22,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 09:58:22,702 INFO L87 Difference]: Start difference. First operand 40444 states and 63684 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 09:58:24,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 09:58:24,688 INFO L93 Difference]: Finished difference Result 80918 states and 127421 transitions. [2023-12-16 09:58:24,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 09:58:24,688 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2023-12-16 09:58:24,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 09:58:24,734 INFO L225 Difference]: With dead ends: 80918 [2023-12-16 09:58:24,734 INFO L226 Difference]: Without dead ends: 40476 [2023-12-16 09:58:24,755 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 09:58:24,756 INFO L413 NwaCegarLoop]: 12340 mSDtfsCounter, 305 mSDsluCounter, 10698 mSDsCounter, 0 mSdLazyCounter, 1309 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 305 SdHoareTripleChecker+Valid, 23038 SdHoareTripleChecker+Invalid, 1349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 1309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-16 09:58:24,756 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [305 Valid, 23038 Invalid, 1349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 1309 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-16 09:58:24,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40476 states. [2023-12-16 09:58:25,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40476 to 40474. [2023-12-16 09:58:25,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40474 states, 40473 states have (on average 1.5742346749684974) internal successors, (63714), 40473 states have internal predecessors, (63714), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 09:58:25,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40474 states to 40474 states and 63714 transitions. [2023-12-16 09:58:25,332 INFO L78 Accepts]: Start accepts. Automaton has 40474 states and 63714 transitions. Word has length 35 [2023-12-16 09:58:25,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 09:58:25,333 INFO L495 AbstractCegarLoop]: Abstraction has 40474 states and 63714 transitions. [2023-12-16 09:58:25,333 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 09:58:25,333 INFO L276 IsEmpty]: Start isEmpty. Operand 40474 states and 63714 transitions. [2023-12-16 09:58:25,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-16 09:58:25,335 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 09:58:25,335 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:58:25,340 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 (9)] Ended with exit code 0 [2023-12-16 09:58:25,538 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 09:58:25,538 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 09:58:25,539 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 09:58:25,539 INFO L85 PathProgramCache]: Analyzing trace with hash -504887773, now seen corresponding path program 1 times [2023-12-16 09:58:25,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 09:58:25,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [611959194] [2023-12-16 09:58:25,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 09:58:25,539 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 09:58:25,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 09:58:25,540 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 09:58:25,541 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 (10)] Waiting until timeout for monitored process [2023-12-16 09:58:25,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 09:58:25,984 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 09:58:25,988 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 09:58:26,021 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 09:58:26,021 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 09:58:26,021 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 09:58:26,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [611959194] [2023-12-16 09:58:26,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [611959194] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 09:58:26,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 09:58:26,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 09:58:26,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563725899] [2023-12-16 09:58:26,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 09:58:26,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 09:58:26,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 09:58:26,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 09:58:26,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 09:58:26,022 INFO L87 Difference]: Start difference. First operand 40474 states and 63714 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 09:58:30,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 09:58:30,280 INFO L93 Difference]: Finished difference Result 109022 states and 171832 transitions. [2023-12-16 09:58:30,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 09:58:30,281 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2023-12-16 09:58:30,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 09:58:30,371 INFO L225 Difference]: With dead ends: 109022 [2023-12-16 09:58:30,371 INFO L226 Difference]: Without dead ends: 68500 [2023-12-16 09:58:30,400 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 09:58:30,401 INFO L413 NwaCegarLoop]: 10922 mSDtfsCounter, 11029 mSDsluCounter, 10880 mSDsCounter, 0 mSdLazyCounter, 2748 mSolverCounterSat, 1395 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11029 SdHoareTripleChecker+Valid, 21802 SdHoareTripleChecker+Invalid, 4143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1395 IncrementalHoareTripleChecker+Valid, 2748 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2023-12-16 09:58:30,401 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11029 Valid, 21802 Invalid, 4143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1395 Valid, 2748 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2023-12-16 09:58:30,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68500 states. [2023-12-16 09:58:31,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68500 to 66770. [2023-12-16 09:58:31,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66770 states, 66769 states have (on average 1.585136814988992) internal successors, (105838), 66769 states have internal predecessors, (105838), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 09:58:31,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66770 states to 66770 states and 105838 transitions. [2023-12-16 09:58:31,288 INFO L78 Accepts]: Start accepts. Automaton has 66770 states and 105838 transitions. Word has length 38 [2023-12-16 09:58:31,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 09:58:31,288 INFO L495 AbstractCegarLoop]: Abstraction has 66770 states and 105838 transitions. [2023-12-16 09:58:31,288 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 09:58:31,288 INFO L276 IsEmpty]: Start isEmpty. Operand 66770 states and 105838 transitions. [2023-12-16 09:58:31,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-16 09:58:31,289 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 09:58:31,289 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:58:31,296 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 (10)] Forceful destruction successful, exit code 0 [2023-12-16 09:58:31,490 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 09:58:31,490 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 09:58:31,490 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 09:58:31,491 INFO L85 PathProgramCache]: Analyzing trace with hash 2095911498, now seen corresponding path program 1 times [2023-12-16 09:58:31,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 09:58:31,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [788642315] [2023-12-16 09:58:31,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 09:58:31,491 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 09:58:31,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 09:58:31,492 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 09:58:31,494 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 (11)] Waiting until timeout for monitored process [2023-12-16 09:58:32,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 09:58:32,140 INFO L262 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 09:58:32,144 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 09:58:32,154 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-16 09:58:32,155 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 09:58:32,155 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 09:58:32,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [788642315] [2023-12-16 09:58:32,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [788642315] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 09:58:32,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 09:58:32,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 09:58:32,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407481568] [2023-12-16 09:58:32,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 09:58:32,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 09:58:32,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 09:58:32,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 09:58:32,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 09:58:32,156 INFO L87 Difference]: Start difference. First operand 66770 states and 105838 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 09:58:34,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 09:58:34,231 INFO L93 Difference]: Finished difference Result 133600 states and 211785 transitions. [2023-12-16 09:58:34,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 09:58:34,231 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2023-12-16 09:58:34,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 09:58:34,438 INFO L225 Difference]: With dead ends: 133600 [2023-12-16 09:58:34,438 INFO L226 Difference]: Without dead ends: 66832 [2023-12-16 09:58:34,464 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 09:58:34,465 INFO L413 NwaCegarLoop]: 12340 mSDtfsCounter, 286 mSDsluCounter, 10718 mSDsCounter, 0 mSdLazyCounter, 1275 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 23058 SdHoareTripleChecker+Invalid, 1351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 1275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-12-16 09:58:34,465 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [286 Valid, 23058 Invalid, 1351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 1275 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-12-16 09:58:34,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66832 states. [2023-12-16 09:58:35,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66832 to 66830. [2023-12-16 09:58:35,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66830 states, 66829 states have (on average 1.5846114710679495) internal successors, (105898), 66829 states have internal predecessors, (105898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 09:58:35,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66830 states to 66830 states and 105898 transitions. [2023-12-16 09:58:35,296 INFO L78 Accepts]: Start accepts. Automaton has 66830 states and 105898 transitions. Word has length 45 [2023-12-16 09:58:35,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 09:58:35,296 INFO L495 AbstractCegarLoop]: Abstraction has 66830 states and 105898 transitions. [2023-12-16 09:58:35,296 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 09:58:35,296 INFO L276 IsEmpty]: Start isEmpty. Operand 66830 states and 105898 transitions. [2023-12-16 09:58:35,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-16 09:58:35,297 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 09:58:35,297 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:58:35,304 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 (11)] Forceful destruction successful, exit code 0 [2023-12-16 09:58:35,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 09:58:35,499 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 09:58:35,500 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 09:58:35,501 INFO L85 PathProgramCache]: Analyzing trace with hash -1850197707, now seen corresponding path program 1 times [2023-12-16 09:58:35,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 09:58:35,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [506902669] [2023-12-16 09:58:35,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 09:58:35,502 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 09:58:35,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 09:58:35,502 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 09:58:35,504 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 (12)] Waiting until timeout for monitored process [2023-12-16 09:58:35,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 09:58:35,940 INFO L262 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-16 09:58:35,954 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 09:58:36,046 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 09:58:36,047 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 09:58:36,047 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 09:58:36,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [506902669] [2023-12-16 09:58:36,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [506902669] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 09:58:36,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 09:58:36,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 09:58:36,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510797984] [2023-12-16 09:58:36,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 09:58:36,048 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 09:58:36,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 09:58:36,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 09:58:36,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-16 09:58:36,049 INFO L87 Difference]: Start difference. First operand 66830 states and 105898 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Received shutdown request... [2023-12-16 09:58:36,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 09:58:36,720 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-16 09:58:36,720 INFO L413 NwaCegarLoop]: 1427 mSDtfsCounter, 1735 mSDsluCounter, 1212 mSDsCounter, 0 mSdLazyCounter, 599 mSolverCounterSat, 219 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1735 SdHoareTripleChecker+Valid, 2639 SdHoareTripleChecker+Invalid, 818 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 219 IncrementalHoareTripleChecker+Valid, 599 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-16 09:58:36,721 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1735 Valid, 2639 Invalid, 818 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [219 Valid, 599 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-16 09:58:36,721 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 09:58:36,726 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 (12)] Forceful destruction successful, exit code 0 [2023-12-16 09:58:36,744 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 (12)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-16 09:58:36,744 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-16 09:58:36,922 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 09:58:36,923 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was constructing difference of abstraction (66830states) and FLOYD_HOARE automaton (currently 4 states, 4 states before enhancement),while ReachableStatesComputation was computing reachable states (2143 states constructed, input type IntersectNwa). [2023-12-16 09:58:36,926 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 09:58:36,927 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 09:58:36,929 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 09:58:36 BoogieIcfgContainer [2023-12-16 09:58:36,929 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 09:58:36,929 INFO L158 Benchmark]: Toolchain (without parser) took 61947.92ms. Allocated memory was 266.3MB in the beginning and 3.0GB in the end (delta: 2.7GB). Free memory was 153.1MB in the beginning and 1.7GB in the end (delta: -1.5GB). Peak memory consumption was 1.3GB. Max. memory is 8.0GB. [2023-12-16 09:58:36,929 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 221.2MB. Free memory was 168.7MB in the beginning and 168.5MB in the end (delta: 197.2kB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 09:58:36,929 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1832.47ms. Allocated memory was 266.3MB in the beginning and 380.6MB in the end (delta: 114.3MB). Free memory was 153.1MB in the beginning and 208.5MB in the end (delta: -55.3MB). Peak memory consumption was 207.9MB. Max. memory is 8.0GB. [2023-12-16 09:58:36,930 INFO L158 Benchmark]: Boogie Procedure Inliner took 778.14ms. Allocated memory was 380.6MB in the beginning and 794.8MB in the end (delta: 414.2MB). Free memory was 208.5MB in the beginning and 554.5MB in the end (delta: -346.0MB). Peak memory consumption was 198.7MB. Max. memory is 8.0GB. [2023-12-16 09:58:36,930 INFO L158 Benchmark]: Boogie Preprocessor took 1014.47ms. Allocated memory is still 794.8MB. Free memory was 554.5MB in the beginning and 476.9MB in the end (delta: 77.6MB). Peak memory consumption was 77.6MB. Max. memory is 8.0GB. [2023-12-16 09:58:36,930 INFO L158 Benchmark]: RCFGBuilder took 13444.85ms. Allocated memory was 794.8MB in the beginning and 2.8GB in the end (delta: 2.0GB). Free memory was 476.9MB in the beginning and 2.2GB in the end (delta: -1.7GB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. [2023-12-16 09:58:36,930 INFO L158 Benchmark]: TraceAbstraction took 44873.15ms. Allocated memory was 2.8GB in the beginning and 3.0GB in the end (delta: 209.7MB). Free memory was 2.2GB in the beginning and 1.7GB in the end (delta: 495.5MB). Peak memory consumption was 776.5MB. Max. memory is 8.0GB. [2023-12-16 09:58:36,931 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46ms. Allocated memory is still 221.2MB. Free memory was 168.7MB in the beginning and 168.5MB in the end (delta: 197.2kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 1832.47ms. Allocated memory was 266.3MB in the beginning and 380.6MB in the end (delta: 114.3MB). Free memory was 153.1MB in the beginning and 208.5MB in the end (delta: -55.3MB). Peak memory consumption was 207.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 778.14ms. Allocated memory was 380.6MB in the beginning and 794.8MB in the end (delta: 414.2MB). Free memory was 208.5MB in the beginning and 554.5MB in the end (delta: -346.0MB). Peak memory consumption was 198.7MB. Max. memory is 8.0GB. * Boogie Preprocessor took 1014.47ms. Allocated memory is still 794.8MB. Free memory was 554.5MB in the beginning and 476.9MB in the end (delta: 77.6MB). Peak memory consumption was 77.6MB. Max. memory is 8.0GB. * RCFGBuilder took 13444.85ms. Allocated memory was 794.8MB in the beginning and 2.8GB in the end (delta: 2.0GB). Free memory was 476.9MB in the beginning and 2.2GB in the end (delta: -1.7GB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. * TraceAbstraction took 44873.15ms. Allocated memory was 2.8GB in the beginning and 3.0GB in the end (delta: 209.7MB). Free memory was 2.2GB in the beginning and 1.7GB in the end (delta: 495.5MB). Peak memory consumption was 776.5MB. 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: 49140]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 49140). Cancelled while NwaCegarLoop was constructing difference of abstraction (66830states) and FLOYD_HOARE automaton (currently 4 states, 4 states before enhancement),while ReachableStatesComputation was computing reachable states (2143 states constructed, input type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9209 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 44.8s, OverallIterations: 11, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 32.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 57336 SdHoareTripleChecker+Valid, 29.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 57336 mSDsluCounter, 216468 SdHoareTripleChecker+Invalid, 23.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 86303 mSDsCounter, 7578 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 24135 IncrementalHoareTripleChecker+Invalid, 31713 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7578 mSolverCounterUnsat, 130165 mSDtfsCounter, 24135 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 282 GetRequests, 271 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=66830occurred in iteration=10, InterpolantAutomatonStates: 29, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.0s AutomataMinimizationTime, 10 MinimizatonAttempts, 6374 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.9s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 293 NumberOfCodeBlocks, 293 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 282 ConstructedInterpolants, 0 QuantifiedInterpolants, 810 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1393 ConjunctsInSsa, 25 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 34/34 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