/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n3_w16_d8_e0.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 21:02:29,412 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 21:02:29,456 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2023-12-16 21:02:29,459 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 21:02:29,459 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 21:02:29,473 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 21:02:29,474 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 21:02:29,474 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 21:02:29,474 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 21:02:29,474 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 21:02:29,475 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 21:02:29,475 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 21:02:29,476 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 21:02:29,476 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 21:02:29,476 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 21:02:29,476 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 21:02:29,477 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 21:02:29,477 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 21:02:29,477 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 21:02:29,478 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 21:02:29,478 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 21:02:29,478 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-16 21:02:29,479 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-16 21:02:29,479 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 21:02:29,479 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-16 21:02:29,479 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 21:02:29,480 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 21:02:29,480 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 21:02:29,480 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 21:02:29,481 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 21:02:29,481 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 21:02:29,481 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 21:02:29,482 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 21:02:29,482 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 21:02:29,482 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 21:02:29,482 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-16 21:02:29,482 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-16 21:02:29,483 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 21:02:29,483 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 21:02:29,483 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 21:02:29,483 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 21:02:29,483 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 21:02:29,484 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-16 21:02:29,484 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-16 21:02:29,691 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 21:02:29,710 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 21:02:29,713 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 21:02:29,714 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 21:02:29,714 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 21:02:29,715 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n3_w16_d8_e0.c [2023-12-16 21:02:30,808 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 21:02:31,100 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 21:02:31,100 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n3_w16_d8_e0.c [2023-12-16 21:02:31,112 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3af58330b/8891c5134ecb4a68b8d5b798682266a8/FLAG25ff39dd9 [2023-12-16 21:02:31,121 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3af58330b/8891c5134ecb4a68b8d5b798682266a8 [2023-12-16 21:02:31,123 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 21:02:31,124 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 21:02:31,125 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 21:02:31,125 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 21:02:31,128 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 21:02:31,128 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 09:02:31" (1/1) ... [2023-12-16 21:02:31,129 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d76cd4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:02:31, skipping insertion in model container [2023-12-16 21:02:31,129 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 09:02:31" (1/1) ... [2023-12-16 21:02:31,198 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 21:02:31,343 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n3_w16_d8_e0.c[1270,1283] [2023-12-16 21:02:31,610 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 21:02:31,624 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 21:02:31,637 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n3_w16_d8_e0.c[1270,1283] [2023-12-16 21:02:31,752 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 21:02:31,764 INFO L206 MainTranslator]: Completed translation [2023-12-16 21:02:31,766 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:02:31 WrapperNode [2023-12-16 21:02:31,766 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 21:02:31,767 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 21:02:31,767 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 21:02:31,767 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 21:02:31,772 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:02:31" (1/1) ... [2023-12-16 21:02:31,810 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:02:31" (1/1) ... [2023-12-16 21:02:31,890 INFO L138 Inliner]: procedures = 17, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1692 [2023-12-16 21:02:31,891 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 21:02:31,891 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 21:02:31,891 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 21:02:31,891 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 21:02:31,899 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:02:31" (1/1) ... [2023-12-16 21:02:31,899 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:02:31" (1/1) ... [2023-12-16 21:02:31,911 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:02:31" (1/1) ... [2023-12-16 21:02:31,942 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 21:02:31,942 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:02:31" (1/1) ... [2023-12-16 21:02:31,943 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:02:31" (1/1) ... [2023-12-16 21:02:31,973 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:02:31" (1/1) ... [2023-12-16 21:02:31,977 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:02:31" (1/1) ... [2023-12-16 21:02:31,986 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:02:31" (1/1) ... [2023-12-16 21:02:31,992 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:02:31" (1/1) ... [2023-12-16 21:02:32,002 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 21:02:32,003 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 21:02:32,003 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 21:02:32,003 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 21:02:32,003 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:02:31" (1/1) ... [2023-12-16 21:02:32,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 21:02:32,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 21:02:32,042 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 21:02:32,050 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 21:02:32,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 21:02:32,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-16 21:02:32,069 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-16 21:02:32,069 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-16 21:02:32,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 21:02:32,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 21:02:32,282 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 21:02:32,284 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 21:02:33,200 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 21:02:33,278 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 21:02:33,278 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 21:02:33,278 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 09:02:33 BoogieIcfgContainer [2023-12-16 21:02:33,279 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 21:02:33,280 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 21:02:33,280 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 21:02:33,282 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 21:02:33,282 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 09:02:31" (1/3) ... [2023-12-16 21:02:33,283 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52e49701 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 09:02:33, skipping insertion in model container [2023-12-16 21:02:33,283 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:02:31" (2/3) ... [2023-12-16 21:02:33,283 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52e49701 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 09:02:33, skipping insertion in model container [2023-12-16 21:02:33,283 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 09:02:33" (3/3) ... [2023-12-16 21:02:33,284 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.arbitrated_top_n3_w16_d8_e0.c [2023-12-16 21:02:33,295 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 21:02:33,295 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 21:02:33,326 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 21:02:33,334 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;@2dfe7a96, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 21:02:33,334 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 21:02:33,337 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 19 states have (on average 1.263157894736842) internal successors, (24), 20 states have internal predecessors, (24), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-12-16 21:02:33,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-16 21:02:33,344 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 21:02:33,344 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 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 21:02:33,344 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 21:02:33,353 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 21:02:33,353 INFO L85 PathProgramCache]: Analyzing trace with hash -1229239407, now seen corresponding path program 1 times [2023-12-16 21:02:33,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 21:02:33,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [227175724] [2023-12-16 21:02:33,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 21:02:33,363 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 21:02:33,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 21:02:33,366 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 21:02:33,377 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 21:02:33,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 21:02:33,841 INFO L262 TraceCheckSpWp]: Trace formula consists of 759 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-16 21:02:33,848 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 21:02:33,877 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2023-12-16 21:02:33,877 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 21:02:33,878 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 21:02:33,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [227175724] [2023-12-16 21:02:33,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [227175724] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 21:02:33,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 21:02:33,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 21:02:33,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684664655] [2023-12-16 21:02:33,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 21:02:33,883 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-16 21:02:33,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 21:02:33,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-16 21:02:33,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 21:02:33,905 INFO L87 Difference]: Start difference. First operand has 32 states, 19 states have (on average 1.263157894736842) internal successors, (24), 20 states have internal predecessors, (24), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-12-16 21:02:33,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 21:02:33,934 INFO L93 Difference]: Finished difference Result 61 states and 96 transitions. [2023-12-16 21:02:33,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-16 21:02:33,938 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 64 [2023-12-16 21:02:33,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 21:02:33,942 INFO L225 Difference]: With dead ends: 61 [2023-12-16 21:02:33,942 INFO L226 Difference]: Without dead ends: 30 [2023-12-16 21:02:33,945 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 63 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 21:02:33,947 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 21:02:33,948 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 38 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 21:02:33,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2023-12-16 21:02:33,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2023-12-16 21:02:33,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 18 states have (on average 1.0555555555555556) internal successors, (19), 18 states have internal predecessors, (19), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-12-16 21:02:33,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 39 transitions. [2023-12-16 21:02:33,979 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 39 transitions. Word has length 64 [2023-12-16 21:02:33,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 21:02:33,979 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 39 transitions. [2023-12-16 21:02:33,979 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-12-16 21:02:33,979 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 39 transitions. [2023-12-16 21:02:33,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-16 21:02:33,981 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 21:02:33,981 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 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 21:02:33,989 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-12-16 21:02:34,187 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 21:02:34,187 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 21:02:34,188 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 21:02:34,188 INFO L85 PathProgramCache]: Analyzing trace with hash -148556931, now seen corresponding path program 1 times [2023-12-16 21:02:34,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 21:02:34,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1241457704] [2023-12-16 21:02:34,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 21:02:34,189 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 21:02:34,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 21:02:34,190 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 21:02:34,191 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 21:02:34,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 21:02:34,789 INFO L262 TraceCheckSpWp]: Trace formula consists of 759 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-16 21:02:34,794 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 21:02:35,026 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-12-16 21:02:35,027 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 21:02:35,027 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 21:02:35,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1241457704] [2023-12-16 21:02:35,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1241457704] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 21:02:35,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 21:02:35,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 21:02:35,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159696812] [2023-12-16 21:02:35,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 21:02:35,032 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 21:02:35,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 21:02:35,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 21:02:35,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 21:02:35,033 INFO L87 Difference]: Start difference. First operand 30 states and 39 transitions. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-12-16 21:02:35,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 21:02:35,233 INFO L93 Difference]: Finished difference Result 55 states and 74 transitions. [2023-12-16 21:02:35,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 21:02:35,234 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 64 [2023-12-16 21:02:35,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 21:02:35,235 INFO L225 Difference]: With dead ends: 55 [2023-12-16 21:02:35,236 INFO L226 Difference]: Without dead ends: 53 [2023-12-16 21:02:35,236 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-16 21:02:35,237 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 3 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-16 21:02:35,237 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 75 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-16 21:02:35,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2023-12-16 21:02:35,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 52. [2023-12-16 21:02:35,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 30 states have (on average 1.0333333333333334) internal successors, (31), 30 states have internal predecessors, (31), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-16 21:02:35,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 71 transitions. [2023-12-16 21:02:35,247 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 71 transitions. Word has length 64 [2023-12-16 21:02:35,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 21:02:35,250 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 71 transitions. [2023-12-16 21:02:35,250 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-12-16 21:02:35,250 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 71 transitions. [2023-12-16 21:02:35,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-12-16 21:02:35,256 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 21:02:35,256 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2023-12-16 21:02:35,263 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 21:02:35,460 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 21:02:35,461 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 21:02:35,461 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 21:02:35,461 INFO L85 PathProgramCache]: Analyzing trace with hash -438810163, now seen corresponding path program 1 times [2023-12-16 21:02:35,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 21:02:35,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1989945263] [2023-12-16 21:02:35,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 21:02:35,464 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 21:02:35,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 21:02:35,465 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 21:02:35,466 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 21:02:39,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 21:02:39,070 INFO L262 TraceCheckSpWp]: Trace formula consists of 2118 conjuncts, 45 conjunts are in the unsatisfiable core [2023-12-16 21:02:39,078 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 21:02:39,618 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 18 proven. 61 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2023-12-16 21:02:39,618 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 21:02:39,747 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 21:02:39,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1989945263] [2023-12-16 21:02:39,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1989945263] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 21:02:39,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [324047273] [2023-12-16 21:02:39,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 21:02:39,752 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-16 21:02:39,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2023-12-16 21:02:39,797 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-16 21:02:39,799 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-16 21:02:41,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 21:02:41,166 INFO L262 TraceCheckSpWp]: Trace formula consists of 2118 conjuncts, 46 conjunts are in the unsatisfiable core [2023-12-16 21:02:41,176 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 21:02:41,554 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 18 proven. 61 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2023-12-16 21:02:41,555 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 21:02:41,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [324047273] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 21:02:41,646 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-16 21:02:41,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2023-12-16 21:02:41,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988169362] [2023-12-16 21:02:41,647 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-16 21:02:41,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-16 21:02:41,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 21:02:41,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-16 21:02:41,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-12-16 21:02:41,649 INFO L87 Difference]: Start difference. First operand 52 states and 71 transitions. Second operand has 9 states, 8 states have (on average 4.125) internal successors, (33), 9 states have internal predecessors, (33), 4 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2023-12-16 21:02:42,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 21:02:42,361 INFO L93 Difference]: Finished difference Result 78 states and 107 transitions. [2023-12-16 21:02:42,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-16 21:02:42,365 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.125) internal successors, (33), 9 states have internal predecessors, (33), 4 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) Word has length 127 [2023-12-16 21:02:42,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 21:02:42,367 INFO L225 Difference]: With dead ends: 78 [2023-12-16 21:02:42,367 INFO L226 Difference]: Without dead ends: 76 [2023-12-16 21:02:42,367 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 250 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=56, Invalid=216, Unknown=0, NotChecked=0, Total=272 [2023-12-16 21:02:42,368 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 19 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 355 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-16 21:02:42,368 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 147 Invalid, 364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 355 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-16 21:02:42,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2023-12-16 21:02:42,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 75. [2023-12-16 21:02:42,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 43 states have (on average 1.0232558139534884) internal successors, (44), 43 states have internal predecessors, (44), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-12-16 21:02:42,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 104 transitions. [2023-12-16 21:02:42,379 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 104 transitions. Word has length 127 [2023-12-16 21:02:42,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 21:02:42,379 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 104 transitions. [2023-12-16 21:02:42,379 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.125) internal successors, (33), 9 states have internal predecessors, (33), 4 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2023-12-16 21:02:42,380 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 104 transitions. [2023-12-16 21:02:42,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2023-12-16 21:02:42,381 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 21:02:42,381 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 30, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1] [2023-12-16 21:02:42,394 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 21:02:42,606 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-16 21:02:42,794 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2023-12-16 21:02:42,795 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 21:02:42,795 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 21:02:42,795 INFO L85 PathProgramCache]: Analyzing trace with hash -1049908867, now seen corresponding path program 2 times [2023-12-16 21:02:42,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 21:02:42,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [291817730] [2023-12-16 21:02:42,797 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-16 21:02:42,797 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 21:02:42,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 21:02:42,798 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 21:02:42,814 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 21:02:53,745 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-16 21:02:53,746 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-16 21:02:53,834 INFO L262 TraceCheckSpWp]: Trace formula consists of 3477 conjuncts, 215 conjunts are in the unsatisfiable core [2023-12-16 21:02:53,863 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 21:03:07,552 INFO L134 CoverageAnalysis]: Checked inductivity of 1807 backedges. 234 proven. 208 refuted. 0 times theorem prover too weak. 1365 trivial. 0 not checked. [2023-12-16 21:03:07,552 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 21:03:08,347 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 21:03:08,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [291817730] [2023-12-16 21:03:08,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [291817730] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 21:03:08,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [814511225] [2023-12-16 21:03:08,348 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-16 21:03:08,348 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-16 21:03:08,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2023-12-16 21:03:08,354 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-16 21:03:08,354 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-16 21:03:10,495 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-16 21:03:10,495 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-16 21:03:10,622 INFO L262 TraceCheckSpWp]: Trace formula consists of 3477 conjuncts, 204 conjunts are in the unsatisfiable core [2023-12-16 21:03:10,639 INFO L285 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2023-12-16 21:03:41,169 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-16 21:03:41,193 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 21:03:41,194 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (7)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-16 21:03:41,495 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 21:03:41,515 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2023-12-16 21:03:41,719 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2023-12-16 21:03:41,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt,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 21:03:41,896 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 191 with TraceHistMax 30,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 30 known predicates. [2023-12-16 21:03:41,899 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1] [2023-12-16 21:03:41,901 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 21:03:41,902 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 09:03:41 BoogieIcfgContainer [2023-12-16 21:03:41,902 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 21:03:41,902 INFO L158 Benchmark]: Toolchain (without parser) took 70778.52ms. Allocated memory was 229.6MB in the beginning and 775.9MB in the end (delta: 546.3MB). Free memory was 176.5MB in the beginning and 560.8MB in the end (delta: -384.3MB). Peak memory consumption was 163.1MB. Max. memory is 8.0GB. [2023-12-16 21:03:41,903 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 190.8MB. Free memory was 139.7MB in the beginning and 139.5MB in the end (delta: 142.7kB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 21:03:41,903 INFO L158 Benchmark]: CACSL2BoogieTranslator took 642.00ms. Allocated memory is still 229.6MB. Free memory was 176.5MB in the beginning and 184.6MB in the end (delta: -8.1MB). Peak memory consumption was 63.8MB. Max. memory is 8.0GB. [2023-12-16 21:03:41,903 INFO L158 Benchmark]: Boogie Procedure Inliner took 123.59ms. Allocated memory is still 229.6MB. Free memory was 184.6MB in the beginning and 171.5MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2023-12-16 21:03:41,903 INFO L158 Benchmark]: Boogie Preprocessor took 110.89ms. Allocated memory is still 229.6MB. Free memory was 171.5MB in the beginning and 156.3MB in the end (delta: 15.2MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2023-12-16 21:03:41,903 INFO L158 Benchmark]: RCFGBuilder took 1275.89ms. Allocated memory was 229.6MB in the beginning and 300.9MB in the end (delta: 71.3MB). Free memory was 156.3MB in the beginning and 235.6MB in the end (delta: -79.4MB). Peak memory consumption was 92.1MB. Max. memory is 8.0GB. [2023-12-16 21:03:41,903 INFO L158 Benchmark]: TraceAbstraction took 68622.05ms. Allocated memory was 300.9MB in the beginning and 775.9MB in the end (delta: 475.0MB). Free memory was 235.1MB in the beginning and 560.8MB in the end (delta: -325.7MB). Peak memory consumption was 148.8MB. Max. memory is 8.0GB. [2023-12-16 21:03:41,904 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 190.8MB. Free memory was 139.7MB in the beginning and 139.5MB in the end (delta: 142.7kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 642.00ms. Allocated memory is still 229.6MB. Free memory was 176.5MB in the beginning and 184.6MB in the end (delta: -8.1MB). Peak memory consumption was 63.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 123.59ms. Allocated memory is still 229.6MB. Free memory was 184.6MB in the beginning and 171.5MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 110.89ms. Allocated memory is still 229.6MB. Free memory was 171.5MB in the beginning and 156.3MB in the end (delta: 15.2MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * RCFGBuilder took 1275.89ms. Allocated memory was 229.6MB in the beginning and 300.9MB in the end (delta: 71.3MB). Free memory was 156.3MB in the beginning and 235.6MB in the end (delta: -79.4MB). Peak memory consumption was 92.1MB. Max. memory is 8.0GB. * TraceAbstraction took 68622.05ms. Allocated memory was 300.9MB in the beginning and 775.9MB in the end (delta: 475.0MB). Free memory was 235.1MB in the beginning and 560.8MB in the end (delta: -325.7MB). Peak memory consumption was 148.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 21]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 21). Cancelled while NwaCegarLoop was analyzing trace of length 191 with TraceHistMax 30,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 30 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 32 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 68.6s, OverallIterations: 4, TraceHistogramMax: 30, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 22 mSDsluCounter, 260 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 173 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 397 IncrementalHoareTripleChecker+Invalid, 406 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 87 mSDtfsCounter, 397 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 393 GetRequests, 374 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=75occurred in iteration=3, InterpolantAutomatonStates: 17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.7s SsaConstructionTime, 4.4s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 382 NumberOfCodeBlocks, 382 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 378 ConstructedInterpolants, 0 QuantifiedInterpolants, 1507 SizeOfPredicates, 103 NumberOfNonLiveVariables, 5754 ConjunctsInSsa, 106 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 1802/1924 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