/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.szymanski.1.prop1-back-serstep.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-26 16:21:18,699 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-26 16:21:18,760 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2023-12-26 16:21:18,764 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-26 16:21:18,764 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-26 16:21:18,791 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-26 16:21:18,791 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-26 16:21:18,791 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-26 16:21:18,792 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-26 16:21:18,795 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-26 16:21:18,795 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-26 16:21:18,795 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-26 16:21:18,796 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-26 16:21:18,797 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-26 16:21:18,797 INFO L153 SettingsManager]: * Use SBE=true [2023-12-26 16:21:18,797 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-26 16:21:18,797 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-26 16:21:18,797 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-26 16:21:18,797 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-26 16:21:18,798 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-26 16:21:18,798 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-26 16:21:18,798 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-26 16:21:18,798 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-26 16:21:18,798 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-26 16:21:18,799 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-26 16:21:18,799 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-26 16:21:18,799 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-26 16:21:18,799 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-26 16:21:18,800 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-26 16:21:18,800 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-26 16:21:18,801 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-26 16:21:18,801 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-26 16:21:18,801 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-26 16:21:18,801 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-26 16:21:18,801 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-26 16:21:18,801 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-26 16:21:18,801 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-26 16:21:18,802 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-26 16:21:18,802 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-26 16:21:18,802 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-26 16:21:18,802 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-26 16:21:18,802 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-26 16:21:18,802 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-26 16:21:18,802 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-26 16:21:18,994 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-26 16:21:19,012 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-26 16:21:19,014 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-26 16:21:19,015 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-26 16:21:19,015 INFO L274 PluginConnector]: CDTParser initialized [2023-12-26 16:21:19,016 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.szymanski.1.prop1-back-serstep.c [2023-12-26 16:21:20,069 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-26 16:21:20,389 INFO L384 CDTParser]: Found 1 translation units. [2023-12-26 16:21:20,390 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.szymanski.1.prop1-back-serstep.c [2023-12-26 16:21:20,405 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bff5cdb71/83e4f11feb6f44699c42783c42f79f5a/FLAGb85630520 [2023-12-26 16:21:20,417 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bff5cdb71/83e4f11feb6f44699c42783c42f79f5a [2023-12-26 16:21:20,419 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-26 16:21:20,420 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-26 16:21:20,422 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-26 16:21:20,422 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-26 16:21:20,425 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-26 16:21:20,425 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.12 04:21:20" (1/1) ... [2023-12-26 16:21:20,426 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34993453 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 04:21:20, skipping insertion in model container [2023-12-26 16:21:20,426 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.12 04:21:20" (1/1) ... [2023-12-26 16:21:20,501 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-26 16:21:20,675 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.szymanski.1.prop1-back-serstep.c[1177,1190] [2023-12-26 16:21:21,093 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-26 16:21:21,101 INFO L202 MainTranslator]: Completed pre-run [2023-12-26 16:21:21,109 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.szymanski.1.prop1-back-serstep.c[1177,1190] [2023-12-26 16:21:21,247 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-26 16:21:21,258 INFO L206 MainTranslator]: Completed translation [2023-12-26 16:21:21,258 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 04:21:21 WrapperNode [2023-12-26 16:21:21,258 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-26 16:21:21,259 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-26 16:21:21,259 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-26 16:21:21,260 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-26 16:21:21,264 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 04:21:21" (1/1) ... [2023-12-26 16:21:21,316 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 04:21:21" (1/1) ... [2023-12-26 16:21:21,583 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4943 [2023-12-26 16:21:21,583 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-26 16:21:21,584 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-26 16:21:21,584 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-26 16:21:21,584 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-26 16:21:21,593 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 04:21:21" (1/1) ... [2023-12-26 16:21:21,593 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 04:21:21" (1/1) ... [2023-12-26 16:21:21,619 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 04:21:21" (1/1) ... [2023-12-26 16:21:21,752 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-12-26 16:21:21,752 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 04:21:21" (1/1) ... [2023-12-26 16:21:21,752 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 04:21:21" (1/1) ... [2023-12-26 16:21:21,810 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 04:21:21" (1/1) ... [2023-12-26 16:21:21,818 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 04:21:21" (1/1) ... [2023-12-26 16:21:21,848 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 04:21:21" (1/1) ... [2023-12-26 16:21:21,864 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 04:21:21" (1/1) ... [2023-12-26 16:21:21,900 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-26 16:21:21,901 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-26 16:21:21,901 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-26 16:21:21,901 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-26 16:21:21,902 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 04:21:21" (1/1) ... [2023-12-26 16:21:21,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-26 16:21:21,912 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-26 16:21:21,953 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-26 16:21:21,959 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-26 16:21:21,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-26 16:21:21,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-26 16:21:21,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-26 16:21:21,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-26 16:21:22,563 INFO L241 CfgBuilder]: Building ICFG [2023-12-26 16:21:22,565 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-26 16:21:31,335 INFO L282 CfgBuilder]: Performing block encoding [2023-12-26 16:21:31,517 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-26 16:21:31,517 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-26 16:21:31,517 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.12 04:21:31 BoogieIcfgContainer [2023-12-26 16:21:31,518 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-26 16:21:31,519 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-26 16:21:31,519 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-26 16:21:31,521 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-26 16:21:31,522 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.12 04:21:20" (1/3) ... [2023-12-26 16:21:31,522 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@345dc33e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.12 04:21:31, skipping insertion in model container [2023-12-26 16:21:31,522 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 04:21:21" (2/3) ... [2023-12-26 16:21:31,522 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@345dc33e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.12 04:21:31, skipping insertion in model container [2023-12-26 16:21:31,523 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.12 04:21:31" (3/3) ... [2023-12-26 16:21:31,523 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.szymanski.1.prop1-back-serstep.c [2023-12-26 16:21:31,535 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-26 16:21:31,535 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-26 16:21:31,568 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-26 16:21:31,572 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;@68b6318a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-26 16:21:31,573 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-26 16:21:31,575 INFO L276 IsEmpty]: Start isEmpty. Operand has 8 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-26 16:21:31,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-26 16:21:31,579 INFO L187 NwaCegarLoop]: Found error trace [2023-12-26 16:21:31,581 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-12-26 16:21:31,581 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-26 16:21:31,586 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-26 16:21:31,586 INFO L85 PathProgramCache]: Analyzing trace with hash 1827279, now seen corresponding path program 1 times [2023-12-26 16:21:31,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-26 16:21:31,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [909370962] [2023-12-26 16:21:31,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-26 16:21:31,599 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-26 16:21:31,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-26 16:21:31,628 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-26 16:21:31,659 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-26 16:21:32,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-26 16:21:32,428 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-26 16:21:32,441 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-26 16:21:32,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-26 16:21:32,520 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-26 16:21:32,521 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-26 16:21:32,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [909370962] [2023-12-26 16:21:32,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [909370962] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-26 16:21:32,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-26 16:21:32,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-26 16:21:32,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272714581] [2023-12-26 16:21:32,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-26 16:21:32,527 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-26 16:21:32,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-26 16:21:32,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-26 16:21:32,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-26 16:21:32,551 INFO L87 Difference]: Start difference. First operand has 8 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-26 16:21:33,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-26 16:21:33,708 INFO L93 Difference]: Finished difference Result 16 states and 24 transitions. [2023-12-26 16:21:33,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-26 16:21:33,710 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2023-12-26 16:21:33,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-26 16:21:33,714 INFO L225 Difference]: With dead ends: 16 [2023-12-26 16:21:33,714 INFO L226 Difference]: Without dead ends: 9 [2023-12-26 16:21:33,719 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-26 16:21:33,721 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 3 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-26 16:21:33,722 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 6 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-26 16:21:33,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2023-12-26 16:21:33,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2023-12-26 16:21:33,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-26 16:21:33,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2023-12-26 16:21:33,740 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 4 [2023-12-26 16:21:33,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-26 16:21:33,740 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2023-12-26 16:21:33,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-26 16:21:33,741 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2023-12-26 16:21:33,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-26 16:21:33,741 INFO L187 NwaCegarLoop]: Found error trace [2023-12-26 16:21:33,741 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2023-12-26 16:21:33,760 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 [2023-12-26 16:21:33,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-26 16:21:33,947 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-26 16:21:33,948 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-26 16:21:33,948 INFO L85 PathProgramCache]: Analyzing trace with hash -1393329571, now seen corresponding path program 1 times [2023-12-26 16:21:33,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-26 16:21:33,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1103236150] [2023-12-26 16:21:33,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-26 16:21:33,953 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-26 16:21:33,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-26 16:21:33,968 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-26 16:21:33,984 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-26 16:21:42,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-26 16:21:42,160 INFO L262 TraceCheckSpWp]: Trace formula consists of 4215 conjuncts, 123 conjunts are in the unsatisfiable core [2023-12-26 16:21:42,187 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-26 16:21:44,130 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-26 16:21:44,131 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-26 16:21:55,473 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-26 16:21:55,474 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-26 16:21:55,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1103236150] [2023-12-26 16:21:55,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1103236150] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-26 16:21:55,479 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-26 16:21:55,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2023-12-26 16:21:55,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250607279] [2023-12-26 16:21:55,480 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-26 16:21:55,481 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-26 16:21:55,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-26 16:21:55,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-26 16:21:55,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=66, Unknown=1, NotChecked=0, Total=90 [2023-12-26 16:21:55,485 INFO L87 Difference]: Start difference. First operand 8 states and 8 transitions. Second operand has 10 states, 10 states have (on average 1.3) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-26 16:21:57,424 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-26 16:22:00,659 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-26 16:22:00,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-26 16:22:00,893 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2023-12-26 16:22:00,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-26 16:22:00,894 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.3) internal successors, (13), 9 states have internal predecessors, (13), 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 7 [2023-12-26 16:22:00,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-26 16:22:00,894 INFO L225 Difference]: With dead ends: 14 [2023-12-26 16:22:00,895 INFO L226 Difference]: Without dead ends: 12 [2023-12-26 16:22:00,895 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 10.5s TimeCoverageRelationStatistics Valid=47, Invalid=108, Unknown=1, NotChecked=0, Total=156 [2023-12-26 16:22:00,896 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 6 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2023-12-26 16:22:00,896 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 16 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2023-12-26 16:22:00,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2023-12-26 16:22:00,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2023-12-26 16:22:00,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-26 16:22:00,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2023-12-26 16:22:00,900 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 7 [2023-12-26 16:22:00,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-26 16:22:00,900 INFO L495 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2023-12-26 16:22:00,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.3) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-26 16:22:00,900 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2023-12-26 16:22:00,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-26 16:22:00,901 INFO L187 NwaCegarLoop]: Found error trace [2023-12-26 16:22:00,901 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1] [2023-12-26 16:22:00,932 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-12-26 16:22:01,102 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-26 16:22:01,103 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-26 16:22:01,103 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-26 16:22:01,103 INFO L85 PathProgramCache]: Analyzing trace with hash -2112524529, now seen corresponding path program 2 times [2023-12-26 16:22:01,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-26 16:22:01,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1740941457] [2023-12-26 16:22:01,130 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-26 16:22:01,130 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-26 16:22:01,130 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-26 16:22:01,131 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-26 16:22:01,153 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-12-26 16:22:27,010 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-26 16:22:27,011 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-26 16:22:27,185 INFO L262 TraceCheckSpWp]: Trace formula consists of 7999 conjuncts, 382 conjunts are in the unsatisfiable core [2023-12-26 16:22:27,218 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-26 16:23:29,930 WARN L293 SmtUtils]: Spent 23.77s on a formula simplification that was a NOOP. DAG size: 1528 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-26 16:23:40,537 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-26 16:23:40,537 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-26 16:26:14,391 WARN L293 SmtUtils]: Spent 1.19m on a formula simplification that was a NOOP. DAG size: 1835 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-26 16:29:55,709 WARN L293 SmtUtils]: Spent 1.17m on a formula simplification that was a NOOP. DAG size: 1971 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-26 16:29:55,741 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-26 16:29:55,742 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-26 16:29:55,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1740941457] [2023-12-26 16:29:55,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1740941457] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-26 16:29:55,749 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-26 16:29:55,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2023-12-26 16:29:55,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565472651] [2023-12-26 16:29:55,749 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-26 16:29:55,750 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-26 16:29:55,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-26 16:29:55,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-26 16:29:55,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=94, Unknown=7, NotChecked=0, Total=132 [2023-12-26 16:29:55,761 INFO L87 Difference]: Start difference. First operand 11 states and 11 transitions. Second operand has 12 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 11 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-26 16:29:59,062 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.26s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-26 16:31:07,932 WARN L293 SmtUtils]: Spent 44.09s on a formula simplification that was a NOOP. DAG size: 1541 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-26 16:31:11,296 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.33s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-26 16:32:27,252 WARN L293 SmtUtils]: Spent 54.54s on a formula simplification that was a NOOP. DAG size: 1549 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-26 16:32:30,540 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.28s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-26 16:32:37,226 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.98s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-26 16:32:39,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1] [2023-12-26 16:32:44,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.36s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1] [2023-12-26 16:32:46,247 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1] [2023-12-26 16:32:51,362 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.11s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1] [2023-12-26 16:32:59,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1] [2023-12-26 16:33:04,354 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.06s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1] [2023-12-26 16:33:05,673 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-26 16:33:08,300 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1] [2023-12-26 16:33:13,548 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.24s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1] [2023-12-26 16:34:26,020 WARN L293 SmtUtils]: Spent 27.95s on a formula simplification that was a NOOP. DAG size: 1530 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-26 16:34:31,245 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.21s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1] [2023-12-26 16:34:31,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-26 16:34:31,379 INFO L93 Difference]: Finished difference Result 17 states and 17 transitions. [2023-12-26 16:34:31,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-26 16:34:31,380 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 11 states have internal predecessors, (19), 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 10 [2023-12-26 16:34:31,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-26 16:34:31,380 INFO L225 Difference]: With dead ends: 17 [2023-12-26 16:34:31,380 INFO L226 Difference]: Without dead ends: 15 [2023-12-26 16:34:31,381 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 576.6s TimeCoverageRelationStatistics Valid=65, Invalid=168, Unknown=7, NotChecked=0, Total=240 [2023-12-26 16:34:31,381 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 11 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 52.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 53.1s IncrementalHoareTripleChecker+Time [2023-12-26 16:34:31,381 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 17 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 53.1s Time] [2023-12-26 16:34:31,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2023-12-26 16:34:31,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 14. [2023-12-26 16:34:31,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 13 states have (on average 1.0769230769230769) internal successors, (14), 13 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) [2023-12-26 16:34:31,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2023-12-26 16:34:31,414 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 10 [2023-12-26 16:34:31,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-26 16:34:31,414 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2023-12-26 16:34:31,415 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 11 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-26 16:34:31,415 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2023-12-26 16:34:31,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-26 16:34:31,415 INFO L187 NwaCegarLoop]: Found error trace [2023-12-26 16:34:31,415 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1] [2023-12-26 16:34:31,461 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2023-12-26 16:34:31,619 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 [2023-12-26 16:34:31,619 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-26 16:34:31,620 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-26 16:34:31,620 INFO L85 PathProgramCache]: Analyzing trace with hash -57678563, now seen corresponding path program 3 times [2023-12-26 16:34:31,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-26 16:34:31,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [920420611] [2023-12-26 16:34:31,629 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-12-26 16:34:31,629 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-26 16:34:31,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-26 16:34:31,632 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) [2023-12-26 16:34:31,633 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 Received shutdown request... [2023-12-26 16:35:50,542 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-26 16:35:50,570 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-26 16:35:51,573 ERROR L246 FreeRefinementEngine]: Caught known exception: Timeout or Toolchain cancelled by user [2023-12-26 16:35:51,574 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-26 16:35:51,716 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 [2023-12-26 16:35:51,716 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 [2023-12-26 16:35:51,775 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 [2023-12-26 16:35:51,775 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 14 with TraceHistMax 4,while AutomatonFreeRefinementEngine was Timeout during feasibility check between IpTcStrategyModuleMathsat [920420611] and IpTcStrategyModuleCvc4 [293189390]. [2023-12-26 16:35:51,779 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1] [2023-12-26 16:35:51,780 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-26 16:35:51,781 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.12 04:35:51 BoogieIcfgContainer [2023-12-26 16:35:51,782 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-26 16:35:51,782 INFO L158 Benchmark]: Toolchain (without parser) took 871362.00ms. Allocated memory was 273.7MB in the beginning and 1.5GB in the end (delta: 1.2GB). Free memory was 214.8MB in the beginning and 664.3MB in the end (delta: -449.5MB). Peak memory consumption was 763.2MB. Max. memory is 8.0GB. [2023-12-26 16:35:51,783 INFO L158 Benchmark]: CDTParser took 0.67ms. Allocated memory is still 227.5MB. Free memory is still 177.3MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-26 16:35:51,783 INFO L158 Benchmark]: CACSL2BoogieTranslator took 836.67ms. Allocated memory is still 273.7MB. Free memory was 214.4MB in the beginning and 147.1MB in the end (delta: 67.3MB). Peak memory consumption was 66.6MB. Max. memory is 8.0GB. [2023-12-26 16:35:51,785 INFO L158 Benchmark]: Boogie Procedure Inliner took 323.78ms. Allocated memory is still 273.7MB. Free memory was 147.1MB in the beginning and 188.5MB in the end (delta: -41.4MB). Peak memory consumption was 48.2MB. Max. memory is 8.0GB. [2023-12-26 16:35:51,788 INFO L158 Benchmark]: Boogie Preprocessor took 316.30ms. Allocated memory is still 273.7MB. Free memory was 188.5MB in the beginning and 166.5MB in the end (delta: 22.0MB). Peak memory consumption was 29.9MB. Max. memory is 8.0GB. [2023-12-26 16:35:51,789 INFO L158 Benchmark]: RCFGBuilder took 9616.83ms. Allocated memory was 273.7MB in the beginning and 708.8MB in the end (delta: 435.2MB). Free memory was 166.5MB in the beginning and 577.6MB in the end (delta: -411.0MB). Peak memory consumption was 427.8MB. Max. memory is 8.0GB. [2023-12-26 16:35:51,789 INFO L158 Benchmark]: TraceAbstraction took 860262.42ms. Allocated memory was 708.8MB in the beginning and 1.5GB in the end (delta: 777.0MB). Free memory was 577.0MB in the beginning and 664.3MB in the end (delta: -87.3MB). Peak memory consumption was 690.3MB. Max. memory is 8.0GB. [2023-12-26 16:35:51,792 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.67ms. Allocated memory is still 227.5MB. Free memory is still 177.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 836.67ms. Allocated memory is still 273.7MB. Free memory was 214.4MB in the beginning and 147.1MB in the end (delta: 67.3MB). Peak memory consumption was 66.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 323.78ms. Allocated memory is still 273.7MB. Free memory was 147.1MB in the beginning and 188.5MB in the end (delta: -41.4MB). Peak memory consumption was 48.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 316.30ms. Allocated memory is still 273.7MB. Free memory was 188.5MB in the beginning and 166.5MB in the end (delta: 22.0MB). Peak memory consumption was 29.9MB. Max. memory is 8.0GB. * RCFGBuilder took 9616.83ms. Allocated memory was 273.7MB in the beginning and 708.8MB in the end (delta: 435.2MB). Free memory was 166.5MB in the beginning and 577.6MB in the end (delta: -411.0MB). Peak memory consumption was 427.8MB. Max. memory is 8.0GB. * TraceAbstraction took 860262.42ms. Allocated memory was 708.8MB in the beginning and 1.5GB in the end (delta: 777.0MB). Free memory was 577.0MB in the beginning and 664.3MB in the end (delta: -87.3MB). Peak memory consumption was 690.3MB. 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 14 with TraceHistMax 4,while AutomatonFreeRefinementEngine was Timeout during feasibility check between IpTcStrategyModuleMathsat [920420611] and IpTcStrategyModuleCvc4 [293189390]. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 860.2s, OverallIterations: 4, TraceHistogramMax: 4, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 282.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 20 SdHoareTripleChecker+Valid, 58.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20 mSDsluCounter, 39 SdHoareTripleChecker+Invalid, 58.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 33 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 84 IncrementalHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 6 mSDtfsCounter, 84 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 41 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 587.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=3, InterpolantAutomatonStates: 20, 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, 3 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.3s SsaConstructionTime, 32.0s SatisfiabilityAnalysisTime, 462.3s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 33 ConstructedInterpolants, 20 QuantifiedInterpolants, 258017 SizeOfPredicates, 690 NumberOfNonLiveVariables, 12645 ConjunctsInSsa, 515 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 0/18 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