/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/eca-rers2012/Problem13_label59.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-22 11:57:56,990 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-22 11:57:57,071 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-22 11:57:57,075 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-22 11:57:57,076 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-22 11:57:57,097 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-22 11:57:57,098 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-22 11:57:57,098 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-22 11:57:57,098 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-22 11:57:57,099 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-22 11:57:57,099 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-22 11:57:57,099 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-22 11:57:57,100 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-22 11:57:57,100 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-22 11:57:57,101 INFO L153 SettingsManager]: * Use SBE=true [2023-12-22 11:57:57,101 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-22 11:57:57,101 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-22 11:57:57,102 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-22 11:57:57,102 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-22 11:57:57,102 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-22 11:57:57,103 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-22 11:57:57,103 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-22 11:57:57,103 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-22 11:57:57,104 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-22 11:57:57,104 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-22 11:57:57,104 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-22 11:57:57,105 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-22 11:57:57,105 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-22 11:57:57,105 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-22 11:57:57,106 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-22 11:57:57,106 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-22 11:57:57,106 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-22 11:57:57,107 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-22 11:57:57,107 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-22 11:57:57,107 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-22 11:57:57,108 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-22 11:57:57,108 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-22 11:57:57,108 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-22 11:57:57,108 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-22 11:57:57,109 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-22 11:57:57,109 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-22 11:57:57,109 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-22 11:57:57,110 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-22 11:57:57,110 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-22 11:57:57,110 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-22 11:57:57,110 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-22 11:57:57,111 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-22 11:57:57,337 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-22 11:57:57,364 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-22 11:57:57,367 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-22 11:57:57,367 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-22 11:57:57,368 INFO L274 PluginConnector]: CDTParser initialized [2023-12-22 11:57:57,370 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem13_label59.c [2023-12-22 11:57:58,574 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-22 11:57:59,094 INFO L384 CDTParser]: Found 1 translation units. [2023-12-22 11:57:59,095 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem13_label59.c [2023-12-22 11:57:59,126 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52325e770/967d33ae8170458a9e5d927a4a0b12b4/FLAG92508d432 [2023-12-22 11:57:59,143 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52325e770/967d33ae8170458a9e5d927a4a0b12b4 [2023-12-22 11:57:59,147 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-22 11:57:59,149 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-22 11:57:59,150 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-22 11:57:59,150 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-22 11:57:59,155 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-22 11:57:59,155 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 11:57:59" (1/1) ... [2023-12-22 11:57:59,156 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14f10cab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:57:59, skipping insertion in model container [2023-12-22 11:57:59,157 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 11:57:59" (1/1) ... [2023-12-22 11:57:59,284 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-22 11:57:59,563 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem13_label59.c[6607,6620] [2023-12-22 11:58:00,369 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-22 11:58:00,380 INFO L202 MainTranslator]: Completed pre-run [2023-12-22 11:58:00,403 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem13_label59.c[6607,6620] [2023-12-22 11:58:00,989 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-22 11:58:01,012 INFO L206 MainTranslator]: Completed translation [2023-12-22 11:58:01,014 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:58:01 WrapperNode [2023-12-22 11:58:01,014 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-22 11:58:01,016 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-22 11:58:01,016 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-22 11:58:01,016 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-22 11:58:01,023 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:58:01" (1/1) ... [2023-12-22 11:58:01,102 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:58:01" (1/1) ... [2023-12-22 11:58:01,267 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 5582 [2023-12-22 11:58:01,267 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-22 11:58:01,268 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-22 11:58:01,268 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-22 11:58:01,268 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-22 11:58:01,278 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:58:01" (1/1) ... [2023-12-22 11:58:01,278 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:58:01" (1/1) ... [2023-12-22 11:58:01,308 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:58:01" (1/1) ... [2023-12-22 11:58:01,391 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]. [2023-12-22 11:58:01,392 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:58:01" (1/1) ... [2023-12-22 11:58:01,392 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:58:01" (1/1) ... [2023-12-22 11:58:01,480 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:58:01" (1/1) ... [2023-12-22 11:58:01,503 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:58:01" (1/1) ... [2023-12-22 11:58:01,534 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:58:01" (1/1) ... [2023-12-22 11:58:01,560 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:58:01" (1/1) ... [2023-12-22 11:58:01,680 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-22 11:58:01,686 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-22 11:58:01,686 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-22 11:58:01,686 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-22 11:58:01,687 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:58:01" (1/1) ... [2023-12-22 11:58:01,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-22 11:58:01,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-22 11:58:01,717 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) [2023-12-22 11:58:01,721 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 [2023-12-22 11:58:01,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-22 11:58:01,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-22 11:58:01,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-22 11:58:01,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-22 11:58:01,840 INFO L241 CfgBuilder]: Building ICFG [2023-12-22 11:58:01,842 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-22 11:58:50,412 INFO L282 CfgBuilder]: Performing block encoding [2023-12-22 11:58:50,493 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-22 11:58:50,493 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-22 11:58:50,493 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 11:58:50 BoogieIcfgContainer [2023-12-22 11:58:50,493 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-22 11:58:50,499 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-22 11:58:50,499 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-22 11:58:50,502 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-22 11:58:50,502 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 11:57:59" (1/3) ... [2023-12-22 11:58:50,503 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@114825f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 11:58:50, skipping insertion in model container [2023-12-22 11:58:50,504 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:58:01" (2/3) ... [2023-12-22 11:58:50,504 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@114825f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 11:58:50, skipping insertion in model container [2023-12-22 11:58:50,504 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 11:58:50" (3/3) ... [2023-12-22 11:58:50,505 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem13_label59.c [2023-12-22 11:58:50,521 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-22 11:58:50,522 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-22 11:58:50,591 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-22 11:58:50,598 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;@3c998274, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-22 11:58:50,598 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-22 11:58:50,607 INFO L276 IsEmpty]: Start isEmpty. Operand has 1036 states, 1034 states have (on average 1.877176015473888) internal successors, (1941), 1035 states have internal predecessors, (1941), 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) [2023-12-22 11:58:50,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-22 11:58:50,613 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 11:58:50,614 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-22 11:58:50,614 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 11:58:50,618 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 11:58:50,618 INFO L85 PathProgramCache]: Analyzing trace with hash -1485470434, now seen corresponding path program 1 times [2023-12-22 11:58:50,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 11:58:50,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1701480999] [2023-12-22 11:58:50,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 11:58:50,630 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 [2023-12-22 11:58:50,631 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 11:58:50,636 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) [2023-12-22 11:58:50,643 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 [2023-12-22 11:58:50,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 11:58:50,736 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-22 11:58:50,740 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 11:58:50,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-22 11:58:50,766 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 11:58:50,767 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 11:58:50,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1701480999] [2023-12-22 11:58:50,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1701480999] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 11:58:50,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 11:58:50,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-22 11:58:50,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405626060] [2023-12-22 11:58:50,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 11:58:50,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-22 11:58:50,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 11:58:50,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-22 11:58:50,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-22 11:58:50,812 INFO L87 Difference]: Start difference. First operand has 1036 states, 1034 states have (on average 1.877176015473888) internal successors, (1941), 1035 states have internal predecessors, (1941), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 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) [2023-12-22 11:58:50,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 11:58:50,912 INFO L93 Difference]: Finished difference Result 2071 states and 3881 transitions. [2023-12-22 11:58:50,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-22 11:58:50,914 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2023-12-22 11:58:50,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 11:58:50,934 INFO L225 Difference]: With dead ends: 2071 [2023-12-22 11:58:50,934 INFO L226 Difference]: Without dead ends: 1034 [2023-12-22 11:58:50,945 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-22 11:58:50,948 INFO L413 NwaCegarLoop]: 1876 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1876 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-22 11:58:50,949 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1876 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-22 11:58:50,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1034 states. [2023-12-22 11:58:51,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1034 to 1034. [2023-12-22 11:58:51,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1034 states, 1033 states have (on average 1.8160696999031947) internal successors, (1876), 1033 states have internal predecessors, (1876), 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) [2023-12-22 11:58:51,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 1034 states and 1876 transitions. [2023-12-22 11:58:51,056 INFO L78 Accepts]: Start accepts. Automaton has 1034 states and 1876 transitions. Word has length 45 [2023-12-22 11:58:51,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 11:58:51,057 INFO L495 AbstractCegarLoop]: Abstraction has 1034 states and 1876 transitions. [2023-12-22 11:58:51,057 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 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) [2023-12-22 11:58:51,057 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 1876 transitions. [2023-12-22 11:58:51,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-22 11:58:51,058 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 11:58:51,058 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-22 11:58:51,067 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 [2023-12-22 11:58:51,262 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 [2023-12-22 11:58:51,262 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 11:58:51,263 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 11:58:51,263 INFO L85 PathProgramCache]: Analyzing trace with hash -453512909, now seen corresponding path program 1 times [2023-12-22 11:58:51,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 11:58:51,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1875620775] [2023-12-22 11:58:51,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 11:58:51,265 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 [2023-12-22 11:58:51,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 11:58:51,266 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) [2023-12-22 11:58:51,267 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 [2023-12-22 11:58:51,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 11:58:51,319 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-22 11:58:51,321 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 11:58:51,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-22 11:58:51,491 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 11:58:51,491 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 11:58:51,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1875620775] [2023-12-22 11:58:51,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1875620775] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 11:58:51,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 11:58:51,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-22 11:58:51,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069367439] [2023-12-22 11:58:51,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 11:58:51,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-22 11:58:51,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 11:58:51,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-22 11:58:51,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-22 11:58:51,499 INFO L87 Difference]: Start difference. First operand 1034 states and 1876 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 2 states have internal predecessors, (45), 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) [2023-12-22 11:59:46,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 11:59:46,806 INFO L93 Difference]: Finished difference Result 2927 states and 5402 transitions. [2023-12-22 11:59:46,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-22 11:59:46,807 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 2 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2023-12-22 11:59:46,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 11:59:46,817 INFO L225 Difference]: With dead ends: 2927 [2023-12-22 11:59:46,817 INFO L226 Difference]: Without dead ends: 1894 [2023-12-22 11:59:46,819 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-22 11:59:46,820 INFO L413 NwaCegarLoop]: 601 mSDtfsCounter, 836 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 3018 mSolverCounterSat, 361 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 45.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 836 SdHoareTripleChecker+Valid, 737 SdHoareTripleChecker+Invalid, 3379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 361 IncrementalHoareTripleChecker+Valid, 3018 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 55.1s IncrementalHoareTripleChecker+Time [2023-12-22 11:59:46,820 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [836 Valid, 737 Invalid, 3379 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [361 Valid, 3018 Invalid, 0 Unknown, 0 Unchecked, 55.1s Time] [2023-12-22 11:59:46,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1894 states. [2023-12-22 11:59:46,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1894 to 1837. [2023-12-22 11:59:46,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1837 states, 1836 states have (on average 1.661764705882353) internal successors, (3051), 1836 states have internal predecessors, (3051), 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) [2023-12-22 11:59:46,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1837 states to 1837 states and 3051 transitions. [2023-12-22 11:59:46,862 INFO L78 Accepts]: Start accepts. Automaton has 1837 states and 3051 transitions. Word has length 45 [2023-12-22 11:59:46,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 11:59:46,862 INFO L495 AbstractCegarLoop]: Abstraction has 1837 states and 3051 transitions. [2023-12-22 11:59:46,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 2 states have internal predecessors, (45), 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) [2023-12-22 11:59:46,863 INFO L276 IsEmpty]: Start isEmpty. Operand 1837 states and 3051 transitions. [2023-12-22 11:59:46,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-12-22 11:59:46,865 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 11:59:46,866 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-22 11:59:46,868 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 [2023-12-22 11:59:47,068 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 [2023-12-22 11:59:47,068 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 11:59:47,069 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 11:59:47,069 INFO L85 PathProgramCache]: Analyzing trace with hash -2046459500, now seen corresponding path program 1 times [2023-12-22 11:59:47,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 11:59:47,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [834110579] [2023-12-22 11:59:47,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 11:59:47,071 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 [2023-12-22 11:59:47,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 11:59:47,072 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) [2023-12-22 11:59:47,074 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 [2023-12-22 11:59:47,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 11:59:47,157 INFO L262 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-22 11:59:47,160 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 11:59:47,341 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-22 11:59:47,342 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 11:59:47,342 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 11:59:47,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [834110579] [2023-12-22 11:59:47,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [834110579] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 11:59:47,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 11:59:47,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-22 11:59:47,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106528102] [2023-12-22 11:59:47,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 11:59:47,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-22 11:59:47,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 11:59:47,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-22 11:59:47,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-22 11:59:47,344 INFO L87 Difference]: Start difference. First operand 1837 states and 3051 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 2 states have internal predecessors, (111), 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) [2023-12-22 12:01:03,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 12:01:03,942 INFO L93 Difference]: Finished difference Result 5268 states and 8799 transitions. [2023-12-22 12:01:03,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-22 12:01:03,955 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 2 states have internal predecessors, (111), 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 111 [2023-12-22 12:01:03,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 12:01:03,968 INFO L225 Difference]: With dead ends: 5268 [2023-12-22 12:01:03,969 INFO L226 Difference]: Without dead ends: 3432 [2023-12-22 12:01:03,973 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-22 12:01:03,974 INFO L413 NwaCegarLoop]: 1027 mSDtfsCounter, 783 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 2711 mSolverCounterSat, 566 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 64.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 783 SdHoareTripleChecker+Valid, 1214 SdHoareTripleChecker+Invalid, 3277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 566 IncrementalHoareTripleChecker+Valid, 2711 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 76.4s IncrementalHoareTripleChecker+Time [2023-12-22 12:01:03,975 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [783 Valid, 1214 Invalid, 3277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [566 Valid, 2711 Invalid, 0 Unknown, 0 Unchecked, 76.4s Time] [2023-12-22 12:01:03,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3432 states. [2023-12-22 12:01:04,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3432 to 3425. [2023-12-22 12:01:04,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3425 states, 3424 states have (on average 1.4240654205607477) internal successors, (4876), 3424 states have internal predecessors, (4876), 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) [2023-12-22 12:01:04,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3425 states to 3425 states and 4876 transitions. [2023-12-22 12:01:04,045 INFO L78 Accepts]: Start accepts. Automaton has 3425 states and 4876 transitions. Word has length 111 [2023-12-22 12:01:04,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 12:01:04,045 INFO L495 AbstractCegarLoop]: Abstraction has 3425 states and 4876 transitions. [2023-12-22 12:01:04,046 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 2 states have internal predecessors, (111), 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) [2023-12-22 12:01:04,046 INFO L276 IsEmpty]: Start isEmpty. Operand 3425 states and 4876 transitions. [2023-12-22 12:01:04,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-12-22 12:01:04,047 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 12:01:04,048 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-22 12:01:04,055 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 [2023-12-22 12:01:04,252 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 [2023-12-22 12:01:04,252 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 12:01:04,253 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 12:01:04,253 INFO L85 PathProgramCache]: Analyzing trace with hash -1363154123, now seen corresponding path program 1 times [2023-12-22 12:01:04,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 12:01:04,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [859398160] [2023-12-22 12:01:04,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 12:01:04,255 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 [2023-12-22 12:01:04,256 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 12:01:04,257 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) [2023-12-22 12:01:04,259 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-12-22 12:01:04,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 12:01:04,386 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-22 12:01:04,389 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 12:01:04,494 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-22 12:01:04,495 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 12:01:04,495 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 12:01:04,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [859398160] [2023-12-22 12:01:04,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [859398160] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 12:01:04,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 12:01:04,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-22 12:01:04,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702600504] [2023-12-22 12:01:04,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 12:01:04,497 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-22 12:01:04,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 12:01:04,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-22 12:01:04,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-22 12:01:04,498 INFO L87 Difference]: Start difference. First operand 3425 states and 4876 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 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) [2023-12-22 12:02:15,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 12:02:15,657 INFO L93 Difference]: Finished difference Result 8485 states and 12576 transitions. [2023-12-22 12:02:15,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-22 12:02:15,673 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 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 118 [2023-12-22 12:02:15,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 12:02:15,716 INFO L225 Difference]: With dead ends: 8485 [2023-12-22 12:02:15,716 INFO L226 Difference]: Without dead ends: 5848 [2023-12-22 12:02:15,738 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-22 12:02:15,740 INFO L413 NwaCegarLoop]: 1712 mSDtfsCounter, 858 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 2546 mSolverCounterSat, 704 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 58.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 858 SdHoareTripleChecker+Valid, 1862 SdHoareTripleChecker+Invalid, 3250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 704 IncrementalHoareTripleChecker+Valid, 2546 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 70.9s IncrementalHoareTripleChecker+Time [2023-12-22 12:02:15,741 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [858 Valid, 1862 Invalid, 3250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [704 Valid, 2546 Invalid, 0 Unknown, 0 Unchecked, 70.9s Time] [2023-12-22 12:02:15,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5848 states. [2023-12-22 12:02:15,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5848 to 5830. [2023-12-22 12:02:15,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5830 states, 5829 states have (on average 1.3041688111168297) internal successors, (7602), 5829 states have internal predecessors, (7602), 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) [2023-12-22 12:02:15,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5830 states to 5830 states and 7602 transitions. [2023-12-22 12:02:15,924 INFO L78 Accepts]: Start accepts. Automaton has 5830 states and 7602 transitions. Word has length 118 [2023-12-22 12:02:15,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 12:02:15,926 INFO L495 AbstractCegarLoop]: Abstraction has 5830 states and 7602 transitions. [2023-12-22 12:02:15,926 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 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) [2023-12-22 12:02:15,926 INFO L276 IsEmpty]: Start isEmpty. Operand 5830 states and 7602 transitions. [2023-12-22 12:02:15,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-12-22 12:02:15,930 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 12:02:15,931 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-22 12:02:15,955 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-12-22 12:02:16,137 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 [2023-12-22 12:02:16,138 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 12:02:16,138 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 12:02:16,139 INFO L85 PathProgramCache]: Analyzing trace with hash 1975185832, now seen corresponding path program 1 times [2023-12-22 12:02:16,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 12:02:16,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1956336104] [2023-12-22 12:02:16,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 12:02:16,140 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 [2023-12-22 12:02:16,140 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 12:02:16,141 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) [2023-12-22 12:02:16,168 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 [2023-12-22 12:02:16,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 12:02:16,233 INFO L262 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-22 12:02:16,235 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 12:02:16,333 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-22 12:02:16,333 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 12:02:16,333 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 12:02:16,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1956336104] [2023-12-22 12:02:16,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1956336104] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 12:02:16,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 12:02:16,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-22 12:02:16,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504466403] [2023-12-22 12:02:16,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 12:02:16,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-22 12:02:16,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 12:02:16,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-22 12:02:16,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-22 12:02:16,335 INFO L87 Difference]: Start difference. First operand 5830 states and 7602 transitions. Second operand has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 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) [2023-12-22 12:03:17,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 12:03:17,002 INFO L93 Difference]: Finished difference Result 13258 states and 17980 transitions. [2023-12-22 12:03:17,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-22 12:03:17,015 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 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 133 [2023-12-22 12:03:17,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 12:03:17,051 INFO L225 Difference]: With dead ends: 13258 [2023-12-22 12:03:17,051 INFO L226 Difference]: Without dead ends: 8216 [2023-12-22 12:03:17,080 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-22 12:03:17,081 INFO L413 NwaCegarLoop]: 1731 mSDtfsCounter, 840 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 2508 mSolverCounterSat, 741 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 49.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 840 SdHoareTripleChecker+Valid, 1884 SdHoareTripleChecker+Invalid, 3249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 741 IncrementalHoareTripleChecker+Valid, 2508 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 60.5s IncrementalHoareTripleChecker+Time [2023-12-22 12:03:17,082 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [840 Valid, 1884 Invalid, 3249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [741 Valid, 2508 Invalid, 0 Unknown, 0 Unchecked, 60.5s Time] [2023-12-22 12:03:17,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8216 states. [2023-12-22 12:03:17,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8216 to 8212. [2023-12-22 12:03:17,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8212 states, 8211 states have (on average 1.2516136889538425) internal successors, (10277), 8211 states have internal predecessors, (10277), 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) [2023-12-22 12:03:17,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8212 states to 8212 states and 10277 transitions. [2023-12-22 12:03:17,357 INFO L78 Accepts]: Start accepts. Automaton has 8212 states and 10277 transitions. Word has length 133 [2023-12-22 12:03:17,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 12:03:17,373 INFO L495 AbstractCegarLoop]: Abstraction has 8212 states and 10277 transitions. [2023-12-22 12:03:17,374 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 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) [2023-12-22 12:03:17,375 INFO L276 IsEmpty]: Start isEmpty. Operand 8212 states and 10277 transitions. [2023-12-22 12:03:17,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-12-22 12:03:17,379 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 12:03:17,384 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-22 12:03:17,391 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 [2023-12-22 12:03:17,588 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-22 12:03:17,588 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 12:03:17,588 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 12:03:17,589 INFO L85 PathProgramCache]: Analyzing trace with hash 896494740, now seen corresponding path program 1 times [2023-12-22 12:03:17,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 12:03:17,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1414788716] [2023-12-22 12:03:17,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 12:03:17,590 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 [2023-12-22 12:03:17,590 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 12:03:17,608 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-22 12:03:17,653 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-12-22 12:03:17,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 12:03:17,841 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-22 12:03:17,844 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 12:03:17,974 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-22 12:03:17,974 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 12:03:17,974 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 12:03:17,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1414788716] [2023-12-22 12:03:17,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1414788716] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 12:03:17,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 12:03:17,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-22 12:03:17,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343609122] [2023-12-22 12:03:17,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 12:03:17,975 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-22 12:03:17,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 12:03:17,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-22 12:03:17,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-22 12:03:17,976 INFO L87 Difference]: Start difference. First operand 8212 states and 10277 transitions. Second operand has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 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) [2023-12-22 12:04:48,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 12:04:48,927 INFO L93 Difference]: Finished difference Result 18044 states and 23368 transitions. [2023-12-22 12:04:48,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-22 12:04:48,941 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 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 141 [2023-12-22 12:04:48,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 12:04:48,998 INFO L225 Difference]: With dead ends: 18044 [2023-12-22 12:04:48,999 INFO L226 Difference]: Without dead ends: 10620 [2023-12-22 12:04:49,029 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-22 12:04:49,030 INFO L413 NwaCegarLoop]: 1927 mSDtfsCounter, 827 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 2648 mSolverCounterSat, 714 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 75.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 827 SdHoareTripleChecker+Valid, 2070 SdHoareTripleChecker+Invalid, 3362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 714 IncrementalHoareTripleChecker+Valid, 2648 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 90.7s IncrementalHoareTripleChecker+Time [2023-12-22 12:04:49,030 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [827 Valid, 2070 Invalid, 3362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [714 Valid, 2648 Invalid, 0 Unknown, 0 Unchecked, 90.7s Time] [2023-12-22 12:04:49,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10620 states. [2023-12-22 12:04:49,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10620 to 10597. [2023-12-22 12:04:49,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10597 states, 10596 states have (on average 1.2265949414873538) internal successors, (12997), 10596 states have internal predecessors, (12997), 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) [2023-12-22 12:04:49,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10597 states to 10597 states and 12997 transitions. [2023-12-22 12:04:49,505 INFO L78 Accepts]: Start accepts. Automaton has 10597 states and 12997 transitions. Word has length 141 [2023-12-22 12:04:49,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 12:04:49,520 INFO L495 AbstractCegarLoop]: Abstraction has 10597 states and 12997 transitions. [2023-12-22 12:04:49,521 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 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) [2023-12-22 12:04:49,521 INFO L276 IsEmpty]: Start isEmpty. Operand 10597 states and 12997 transitions. [2023-12-22 12:04:49,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-12-22 12:04:49,523 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 12:04:49,523 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-22 12:04:49,528 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2023-12-22 12:04:49,725 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-22 12:04:49,726 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 12:04:49,726 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 12:04:49,726 INFO L85 PathProgramCache]: Analyzing trace with hash 1068785989, now seen corresponding path program 1 times [2023-12-22 12:04:49,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 12:04:49,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1030575593] [2023-12-22 12:04:49,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 12:04:49,728 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 [2023-12-22 12:04:49,728 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 12:04:49,749 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-22 12:04:49,781 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-12-22 12:04:49,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 12:04:49,958 INFO L262 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-22 12:04:49,962 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 12:04:51,967 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-22 12:04:51,967 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-22 12:04:56,224 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-22 12:04:56,224 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 12:04:56,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1030575593] [2023-12-22 12:04:56,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1030575593] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-22 12:04:56,224 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-22 12:04:56,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2023-12-22 12:04:56,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510190363] [2023-12-22 12:04:56,225 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-22 12:04:56,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-22 12:04:56,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 12:04:56,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-22 12:04:56,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-12-22 12:04:56,226 INFO L87 Difference]: Start difference. First operand 10597 states and 12997 transitions. Second operand has 6 states, 6 states have (on average 41.0) internal successors, (246), 5 states have internal predecessors, (246), 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) [2023-12-22 12:05:16,751 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 12:05:20,039 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 12:05:26,301 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 12:05:27,964 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 12:05:57,885 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 12:06:22,107 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 12:07:09,057 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 12:07:24,950 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 12:07:44,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 12:07:44,659 INFO L93 Difference]: Finished difference Result 32241 states and 40572 transitions. [2023-12-22 12:07:44,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-22 12:07:44,660 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 41.0) internal successors, (246), 5 states have internal predecessors, (246), 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 150 [2023-12-22 12:07:44,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 12:07:44,750 INFO L225 Difference]: With dead ends: 32241 [2023-12-22 12:07:44,750 INFO L226 Difference]: Without dead ends: 22432 [2023-12-22 12:07:44,760 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 294 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2023-12-22 12:07:44,776 INFO L413 NwaCegarLoop]: 997 mSDtfsCounter, 5304 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 9811 mSolverCounterSat, 2301 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 144.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5304 SdHoareTripleChecker+Valid, 1255 SdHoareTripleChecker+Invalid, 12112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2301 IncrementalHoareTripleChecker+Valid, 9811 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 167.5s IncrementalHoareTripleChecker+Time [2023-12-22 12:07:44,776 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5304 Valid, 1255 Invalid, 12112 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2301 Valid, 9811 Invalid, 0 Unknown, 0 Unchecked, 167.5s Time] [2023-12-22 12:07:44,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22432 states. [2023-12-22 12:07:45,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22432 to 22392. [2023-12-22 12:07:45,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22392 states, 22391 states have (on average 1.1387164485730874) internal successors, (25497), 22391 states have internal predecessors, (25497), 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) [2023-12-22 12:07:45,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22392 states to 22392 states and 25497 transitions. [2023-12-22 12:07:45,155 INFO L78 Accepts]: Start accepts. Automaton has 22392 states and 25497 transitions. Word has length 150 [2023-12-22 12:07:45,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 12:07:45,156 INFO L495 AbstractCegarLoop]: Abstraction has 22392 states and 25497 transitions. [2023-12-22 12:07:45,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 41.0) internal successors, (246), 5 states have internal predecessors, (246), 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) [2023-12-22 12:07:45,156 INFO L276 IsEmpty]: Start isEmpty. Operand 22392 states and 25497 transitions. [2023-12-22 12:07:45,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-12-22 12:07:45,158 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 12:07:45,158 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-22 12:07:45,166 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 (8)] Forceful destruction successful, exit code 0 [2023-12-22 12:07:45,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-22 12:07:45,364 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 12:07:45,364 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 12:07:45,364 INFO L85 PathProgramCache]: Analyzing trace with hash 2002303798, now seen corresponding path program 1 times [2023-12-22 12:07:45,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 12:07:45,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [171381346] [2023-12-22 12:07:45,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 12:07:45,365 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 [2023-12-22 12:07:45,366 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 12:07:45,366 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-22 12:07:45,367 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2023-12-22 12:07:45,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 12:07:45,435 INFO L262 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-22 12:07:45,437 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 12:07:45,938 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-22 12:07:45,938 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 12:07:45,938 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 12:07:45,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [171381346] [2023-12-22 12:07:45,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [171381346] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 12:07:45,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 12:07:45,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-22 12:07:45,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196026547] [2023-12-22 12:07:45,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 12:07:45,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-22 12:07:45,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 12:07:45,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-22 12:07:45,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-22 12:07:45,940 INFO L87 Difference]: Start difference. First operand 22392 states and 25497 transitions. Second operand has 3 states, 3 states have (on average 52.0) internal successors, (156), 2 states have internal predecessors, (156), 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) [2023-12-22 12:08:37,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 12:08:37,234 INFO L93 Difference]: Finished difference Result 44783 states and 50993 transitions. [2023-12-22 12:08:37,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-22 12:08:37,245 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 2 states have internal predecessors, (156), 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 156 [2023-12-22 12:08:37,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 12:08:37,282 INFO L225 Difference]: With dead ends: 44783 [2023-12-22 12:08:37,282 INFO L226 Difference]: Without dead ends: 22392 [2023-12-22 12:08:37,305 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-22 12:08:37,305 INFO L413 NwaCegarLoop]: 1081 mSDtfsCounter, 678 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 2531 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 678 SdHoareTripleChecker+Valid, 1210 SdHoareTripleChecker+Invalid, 2570 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 2531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 51.0s IncrementalHoareTripleChecker+Time [2023-12-22 12:08:37,306 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [678 Valid, 1210 Invalid, 2570 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 2531 Invalid, 0 Unknown, 0 Unchecked, 51.0s Time] [2023-12-22 12:08:37,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22392 states. [2023-12-22 12:08:37,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22392 to 22392. [2023-12-22 12:08:37,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22392 states, 22391 states have (on average 1.1369300165244964) internal successors, (25457), 22391 states have internal predecessors, (25457), 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) [2023-12-22 12:08:37,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22392 states to 22392 states and 25457 transitions. [2023-12-22 12:08:37,573 INFO L78 Accepts]: Start accepts. Automaton has 22392 states and 25457 transitions. Word has length 156 [2023-12-22 12:08:37,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 12:08:37,574 INFO L495 AbstractCegarLoop]: Abstraction has 22392 states and 25457 transitions. [2023-12-22 12:08:37,574 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 2 states have internal predecessors, (156), 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) [2023-12-22 12:08:37,574 INFO L276 IsEmpty]: Start isEmpty. Operand 22392 states and 25457 transitions. [2023-12-22 12:08:37,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-12-22 12:08:37,575 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 12:08:37,576 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-22 12:08:37,583 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 (9)] Forceful destruction successful, exit code 0 [2023-12-22 12:08:37,779 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-22 12:08:37,780 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 12:08:37,780 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 12:08:37,780 INFO L85 PathProgramCache]: Analyzing trace with hash -807328180, now seen corresponding path program 1 times [2023-12-22 12:08:37,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 12:08:37,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1984875449] [2023-12-22 12:08:37,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 12:08:37,781 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 [2023-12-22 12:08:37,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 12:08:37,782 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-22 12:08:37,783 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2023-12-22 12:08:37,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 12:08:37,869 INFO L262 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-22 12:08:37,872 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 12:08:38,219 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-22 12:08:38,220 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-22 12:08:42,590 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-22 12:08:42,590 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 12:08:42,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1984875449] [2023-12-22 12:08:42,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1984875449] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-22 12:08:42,590 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-22 12:08:42,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2023-12-22 12:08:42,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730327245] [2023-12-22 12:08:42,591 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-22 12:08:42,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-22 12:08:42,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 12:08:42,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-22 12:08:42,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-12-22 12:08:42,592 INFO L87 Difference]: Start difference. First operand 22392 states and 25457 transitions. Second operand has 6 states, 6 states have (on average 56.5) internal successors, (339), 5 states have internal predecessors, (339), 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) [2023-12-22 12:10:12,528 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] Received shutdown request... [2023-12-22 12:12:31,374 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 [2023-12-22 12:12:31,375 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 (10)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-22 12:12:31,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-22 12:12:31,461 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 339 GetRequests, 334 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-22 12:12:31,462 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 3672 mSDsluCounter, 439 mSDsCounter, 0 mSdLazyCounter, 5854 mSolverCounterSat, 1887 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 203.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3672 SdHoareTripleChecker+Valid, 589 SdHoareTripleChecker+Invalid, 7741 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1887 IncrementalHoareTripleChecker+Valid, 5854 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 228.3s IncrementalHoareTripleChecker+Time [2023-12-22 12:12:31,462 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3672 Valid, 589 Invalid, 7741 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1887 Valid, 5854 Invalid, 0 Unknown, 0 Unchecked, 228.3s Time] [2023-12-22 12:12:31,463 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-22 12:12:31,492 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2023-12-22 12:12:31,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-22 12:12:31,676 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was constructing difference of abstraction (22392states) and FLOYD_HOARE automaton (currently 7 states, 6 states before enhancement),while ReachableStatesComputation was computing reachable states (24971 states constructed, input type IntersectNwa). [2023-12-22 12:12:31,691 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-22 12:12:31,694 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-22 12:12:31,695 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 12:12:31 BoogieIcfgContainer [2023-12-22 12:12:31,696 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-22 12:12:31,696 INFO L158 Benchmark]: Toolchain (without parser) took 872547.44ms. Allocated memory was 219.2MB in the beginning and 643.8MB in the end (delta: 424.7MB). Free memory was 149.9MB in the beginning and 208.5MB in the end (delta: -58.6MB). Peak memory consumption was 459.4MB. Max. memory is 8.0GB. [2023-12-22 12:12:31,707 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 219.2MB. Free memory is still 169.7MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-22 12:12:31,708 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1864.88ms. Allocated memory was 219.2MB in the beginning and 286.3MB in the end (delta: 67.1MB). Free memory was 149.6MB in the beginning and 207.0MB in the end (delta: -57.4MB). Peak memory consumption was 171.7MB. Max. memory is 8.0GB. [2023-12-22 12:12:31,708 INFO L158 Benchmark]: Boogie Procedure Inliner took 251.63ms. Allocated memory is still 286.3MB. Free memory was 207.0MB in the beginning and 161.9MB in the end (delta: 45.1MB). Peak memory consumption was 44.0MB. Max. memory is 8.0GB. [2023-12-22 12:12:31,708 INFO L158 Benchmark]: Boogie Preprocessor took 416.54ms. Allocated memory is still 286.3MB. Free memory was 161.9MB in the beginning and 182.2MB in the end (delta: -20.4MB). Peak memory consumption was 80.3MB. Max. memory is 8.0GB. [2023-12-22 12:12:31,708 INFO L158 Benchmark]: RCFGBuilder took 48807.98ms. Allocated memory was 286.3MB in the beginning and 643.8MB in the end (delta: 357.6MB). Free memory was 182.2MB in the beginning and 392.5MB in the end (delta: -210.2MB). Peak memory consumption was 232.8MB. Max. memory is 8.0GB. [2023-12-22 12:12:31,709 INFO L158 Benchmark]: TraceAbstraction took 821196.55ms. Allocated memory is still 643.8MB. Free memory was 391.4MB in the beginning and 208.5MB in the end (delta: 183.0MB). Peak memory consumption was 275.5MB. Max. memory is 8.0GB. [2023-12-22 12:12:31,710 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 219.2MB. Free memory is still 169.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 1864.88ms. Allocated memory was 219.2MB in the beginning and 286.3MB in the end (delta: 67.1MB). Free memory was 149.6MB in the beginning and 207.0MB in the end (delta: -57.4MB). Peak memory consumption was 171.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 251.63ms. Allocated memory is still 286.3MB. Free memory was 207.0MB in the beginning and 161.9MB in the end (delta: 45.1MB). Peak memory consumption was 44.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 416.54ms. Allocated memory is still 286.3MB. Free memory was 161.9MB in the beginning and 182.2MB in the end (delta: -20.4MB). Peak memory consumption was 80.3MB. Max. memory is 8.0GB. * RCFGBuilder took 48807.98ms. Allocated memory was 286.3MB in the beginning and 643.8MB in the end (delta: 357.6MB). Free memory was 182.2MB in the beginning and 392.5MB in the end (delta: -210.2MB). Peak memory consumption was 232.8MB. Max. memory is 8.0GB. * TraceAbstraction took 821196.55ms. Allocated memory is still 643.8MB. Free memory was 391.4MB in the beginning and 208.5MB in the end (delta: 183.0MB). Peak memory consumption was 275.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 160]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 160). Cancelled while NwaCegarLoop was constructing difference of abstraction (22392states) and FLOYD_HOARE automaton (currently 7 states, 6 states before enhancement),while ReachableStatesComputation was computing reachable states (24971 states constructed, input type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 1036 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 821.1s, OverallIterations: 9, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 804.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 13798 SdHoareTripleChecker+Valid, 800.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13798 mSDsluCounter, 12697 SdHoareTripleChecker+Invalid, 684.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1595 mSDsCounter, 7313 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 31629 IncrementalHoareTripleChecker+Invalid, 38942 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7313 mSolverCounterUnsat, 11102 mSDtfsCounter, 31629 mSolverCounterSat, 0.5s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1383 GetRequests, 1364 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22392occurred in iteration=7, InterpolantAutomatonStates: 30, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.8s AutomataMinimizationTime, 8 MinimizatonAttempts, 149 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 12.3s InterpolantComputationTime, 1069 NumberOfCodeBlocks, 1069 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1378 ConstructedInterpolants, 0 QuantifiedInterpolants, 8164 SizeOfPredicates, 8 NumberOfNonLiveVariables, 1440 ConjunctsInSsa, 25 ConjunctsInUnsatCore, 11 InterpolantComputations, 7 PerfectInterpolantSequences, 215/387 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