/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver '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' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount250_file-10.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-df9f019-m [2024-11-05 19:37:53,563 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-05 19:37:53,633 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-05 19:37:53,638 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-05 19:37:53,638 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-05 19:37:53,669 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-05 19:37:53,669 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-05 19:37:53,670 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-05 19:37:53,670 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-05 19:37:53,671 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-05 19:37:53,671 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-05 19:37:53,671 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-05 19:37:53,672 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-05 19:37:53,672 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-05 19:37:53,672 INFO L153 SettingsManager]: * Use SBE=true [2024-11-05 19:37:53,673 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-05 19:37:53,673 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-05 19:37:53,673 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-05 19:37:53,674 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-05 19:37:53,674 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-05 19:37:53,674 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-05 19:37:53,675 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-05 19:37:53,675 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-05 19:37:53,675 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-05 19:37:53,676 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-05 19:37:53,676 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-05 19:37:53,676 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-05 19:37:53,676 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-05 19:37:53,677 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-05 19:37:53,677 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-05 19:37:53,677 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-05 19:37:53,677 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-05 19:37:53,678 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-05 19:37:53,678 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-05 19:37:53,678 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 19:37:53,678 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-05 19:37:53,679 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-05 19:37:53,679 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-05 19:37:53,679 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-05 19:37:53,679 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-05 19:37:53,679 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-05 19:37:53,680 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-05 19:37:53,680 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-05 19:37:53,680 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-05 19:37:53,680 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 19:37:53,911 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-05 19:37:53,931 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-05 19:37:53,937 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-05 19:37:53,938 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-05 19:37:53,940 INFO L274 PluginConnector]: CDTParser initialized [2024-11-05 19:37:53,942 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount250_file-10.i [2024-11-05 19:37:55,387 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-05 19:37:55,635 INFO L384 CDTParser]: Found 1 translation units. [2024-11-05 19:37:55,639 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount250_file-10.i [2024-11-05 19:37:55,657 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0fdf9d7f3/c4cbbf217b0e4546b4dfd9fac3c6ab80/FLAG3cf833e06 [2024-11-05 19:37:55,946 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0fdf9d7f3/c4cbbf217b0e4546b4dfd9fac3c6ab80 [2024-11-05 19:37:55,948 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-05 19:37:55,949 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-05 19:37:55,951 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-05 19:37:55,951 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-05 19:37:55,956 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-05 19:37:55,957 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 07:37:55" (1/1) ... [2024-11-05 19:37:55,958 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c115755 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:37:55, skipping insertion in model container [2024-11-05 19:37:55,958 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 07:37:55" (1/1) ... [2024-11-05 19:37:56,013 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-05 19:37:56,169 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount250_file-10.i[916,929] [2024-11-05 19:37:56,316 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 19:37:56,335 INFO L200 MainTranslator]: Completed pre-run [2024-11-05 19:37:56,345 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount250_file-10.i[916,929] [2024-11-05 19:37:56,414 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 19:37:56,441 INFO L204 MainTranslator]: Completed translation [2024-11-05 19:37:56,442 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:37:56 WrapperNode [2024-11-05 19:37:56,442 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-05 19:37:56,443 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-05 19:37:56,443 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-05 19:37:56,443 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-05 19:37:56,448 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:37:56" (1/1) ... [2024-11-05 19:37:56,467 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:37:56" (1/1) ... [2024-11-05 19:37:56,505 INFO L138 Inliner]: procedures = 27, calls = 78, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 402 [2024-11-05 19:37:56,505 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-05 19:37:56,506 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-05 19:37:56,506 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-05 19:37:56,506 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-05 19:37:56,516 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:37:56" (1/1) ... [2024-11-05 19:37:56,516 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:37:56" (1/1) ... [2024-11-05 19:37:56,528 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:37:56" (1/1) ... [2024-11-05 19:37:56,556 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]. [2024-11-05 19:37:56,556 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:37:56" (1/1) ... [2024-11-05 19:37:56,557 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:37:56" (1/1) ... [2024-11-05 19:37:56,589 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:37:56" (1/1) ... [2024-11-05 19:37:56,594 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:37:56" (1/1) ... [2024-11-05 19:37:56,606 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:37:56" (1/1) ... [2024-11-05 19:37:56,614 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:37:56" (1/1) ... [2024-11-05 19:37:56,629 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-05 19:37:56,630 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-05 19:37:56,630 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-05 19:37:56,630 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-05 19:37:56,631 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:37:56" (1/1) ... [2024-11-05 19:37:56,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 19:37:56,648 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-05 19:37:56,666 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) [2024-11-05 19:37:56,669 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 [2024-11-05 19:37:56,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-05 19:37:56,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-05 19:37:56,697 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-05 19:37:56,697 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-05 19:37:56,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-05 19:37:56,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-05 19:37:56,807 INFO L238 CfgBuilder]: Building ICFG [2024-11-05 19:37:56,809 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-05 19:38:05,356 INFO L? ?]: Removed 44 outVars from TransFormulas that were not future-live. [2024-11-05 19:38:05,356 INFO L287 CfgBuilder]: Performing block encoding [2024-11-05 19:38:05,380 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-05 19:38:05,380 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-05 19:38:05,381 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 07:38:05 BoogieIcfgContainer [2024-11-05 19:38:05,381 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-05 19:38:05,383 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-05 19:38:05,383 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-05 19:38:05,386 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-05 19:38:05,386 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 07:37:55" (1/3) ... [2024-11-05 19:38:05,386 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5657bd3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 07:38:05, skipping insertion in model container [2024-11-05 19:38:05,387 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:37:56" (2/3) ... [2024-11-05 19:38:05,387 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5657bd3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 07:38:05, skipping insertion in model container [2024-11-05 19:38:05,387 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 07:38:05" (3/3) ... [2024-11-05 19:38:05,388 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount250_file-10.i [2024-11-05 19:38:05,399 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-05 19:38:05,400 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-05 19:38:05,461 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-05 19:38:05,466 INFO L333 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, 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;@73804106, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-05 19:38:05,466 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-05 19:38:05,472 INFO L276 IsEmpty]: Start isEmpty. Operand has 170 states, 102 states have (on average 1.4313725490196079) internal successors, (146), 103 states have internal predecessors, (146), 65 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) [2024-11-05 19:38:05,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2024-11-05 19:38:05,497 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 19:38:05,499 INFO L215 NwaCegarLoop]: trace histogram [65, 65, 65, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 19:38:05,500 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 19:38:05,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 19:38:05,506 INFO L85 PathProgramCache]: Analyzing trace with hash -737838138, now seen corresponding path program 1 times [2024-11-05 19:38:05,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 19:38:05,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [76096223] [2024-11-05 19:38:05,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 19:38:05,517 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 [2024-11-05 19:38:05,517 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 19:38:05,521 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) [2024-11-05 19:38:05,522 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-05 19:38:06,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 19:38:06,341 INFO L255 TraceCheckSpWp]: Trace formula consists of 659 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-05 19:38:06,356 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 19:38:06,445 INFO L134 CoverageAnalysis]: Checked inductivity of 8320 backedges. 2460 proven. 0 refuted. 0 times theorem prover too weak. 5860 trivial. 0 not checked. [2024-11-05 19:38:06,445 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 19:38:08,202 INFO L134 CoverageAnalysis]: Checked inductivity of 8320 backedges. 22 proven. 106 refuted. 0 times theorem prover too weak. 8192 trivial. 0 not checked. [2024-11-05 19:38:08,203 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 19:38:08,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [76096223] [2024-11-05 19:38:08,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [76096223] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-05 19:38:08,204 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-05 19:38:08,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-05 19:38:08,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332753388] [2024-11-05 19:38:08,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-05 19:38:08,211 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-05 19:38:08,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 19:38:08,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-05 19:38:08,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-05 19:38:08,242 INFO L87 Difference]: Start difference. First operand has 170 states, 102 states have (on average 1.4313725490196079) internal successors, (146), 103 states have internal predecessors, (146), 65 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) Second operand has 2 states, 2 states have (on average 41.5) internal successors, (83), 2 states have internal predecessors, (83), 2 states have call successors, (65), 2 states have call predecessors, (65), 2 states have return successors, (65), 2 states have call predecessors, (65), 2 states have call successors, (65) [2024-11-05 19:38:08,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 19:38:08,283 INFO L93 Difference]: Finished difference Result 333 states and 611 transitions. [2024-11-05 19:38:08,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-05 19:38:08,286 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 41.5) internal successors, (83), 2 states have internal predecessors, (83), 2 states have call successors, (65), 2 states have call predecessors, (65), 2 states have return successors, (65), 2 states have call predecessors, (65), 2 states have call successors, (65) Word has length 401 [2024-11-05 19:38:08,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 19:38:08,294 INFO L225 Difference]: With dead ends: 333 [2024-11-05 19:38:08,294 INFO L226 Difference]: Without dead ends: 166 [2024-11-05 19:38:08,299 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 800 GetRequests, 800 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-05 19:38:08,302 INFO L432 NwaCegarLoop]: 268 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-05 19:38:08,302 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 268 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-05 19:38:08,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2024-11-05 19:38:08,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2024-11-05 19:38:08,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 99 states have (on average 1.393939393939394) internal successors, (138), 99 states have internal predecessors, (138), 65 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) [2024-11-05 19:38:08,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 268 transitions. [2024-11-05 19:38:08,363 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 268 transitions. Word has length 401 [2024-11-05 19:38:08,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 19:38:08,365 INFO L471 AbstractCegarLoop]: Abstraction has 166 states and 268 transitions. [2024-11-05 19:38:08,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 41.5) internal successors, (83), 2 states have internal predecessors, (83), 2 states have call successors, (65), 2 states have call predecessors, (65), 2 states have return successors, (65), 2 states have call predecessors, (65), 2 states have call successors, (65) [2024-11-05 19:38:08,366 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 268 transitions. [2024-11-05 19:38:08,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2024-11-05 19:38:08,381 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 19:38:08,381 INFO L215 NwaCegarLoop]: trace histogram [65, 65, 65, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 19:38:08,415 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-11-05 19:38:08,582 WARN L453 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 [2024-11-05 19:38:08,583 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 19:38:08,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 19:38:08,584 INFO L85 PathProgramCache]: Analyzing trace with hash -1494359300, now seen corresponding path program 1 times [2024-11-05 19:38:08,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 19:38:08,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [653124366] [2024-11-05 19:38:08,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 19:38:08,585 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 [2024-11-05 19:38:08,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 19:38:08,589 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) [2024-11-05 19:38:08,590 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 [2024-11-05 19:38:09,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 19:38:09,447 INFO L255 TraceCheckSpWp]: Trace formula consists of 659 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 19:38:09,458 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 19:38:09,536 INFO L134 CoverageAnalysis]: Checked inductivity of 8320 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8320 trivial. 0 not checked. [2024-11-05 19:38:09,536 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 19:38:11,084 INFO L134 CoverageAnalysis]: Checked inductivity of 8320 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8320 trivial. 0 not checked. [2024-11-05 19:38:11,085 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 19:38:11,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [653124366] [2024-11-05 19:38:11,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [653124366] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 19:38:11,085 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 19:38:11,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-05 19:38:11,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248448404] [2024-11-05 19:38:11,086 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 19:38:11,088 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-05 19:38:11,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 19:38:11,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-05 19:38:11,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 19:38:11,089 INFO L87 Difference]: Start difference. First operand 166 states and 268 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 1 states have call predecessors, (65), 1 states have call successors, (65) [2024-11-05 19:38:15,332 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-05 19:38:19,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-05 19:38:19,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 19:38:19,365 INFO L93 Difference]: Finished difference Result 491 states and 796 transitions. [2024-11-05 19:38:19,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-05 19:38:19,418 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 1 states have call predecessors, (65), 1 states have call successors, (65) Word has length 401 [2024-11-05 19:38:19,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 19:38:19,425 INFO L225 Difference]: With dead ends: 491 [2024-11-05 19:38:19,426 INFO L226 Difference]: Without dead ends: 328 [2024-11-05 19:38:19,428 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 800 GetRequests, 799 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 19:38:19,429 INFO L432 NwaCegarLoop]: 266 mSDtfsCounter, 261 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 4 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 261 SdHoareTripleChecker+Valid, 524 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2024-11-05 19:38:19,429 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [261 Valid, 524 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 5 Invalid, 2 Unknown, 0 Unchecked, 8.2s Time] [2024-11-05 19:38:19,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2024-11-05 19:38:19,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 326. [2024-11-05 19:38:19,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326 states, 193 states have (on average 1.38860103626943) internal successors, (268), 193 states have internal predecessors, (268), 130 states have call successors, (130), 2 states have call predecessors, (130), 2 states have return successors, (130), 130 states have call predecessors, (130), 130 states have call successors, (130) [2024-11-05 19:38:19,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 528 transitions. [2024-11-05 19:38:19,505 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 528 transitions. Word has length 401 [2024-11-05 19:38:19,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 19:38:19,506 INFO L471 AbstractCegarLoop]: Abstraction has 326 states and 528 transitions. [2024-11-05 19:38:19,507 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 1 states have call predecessors, (65), 1 states have call successors, (65) [2024-11-05 19:38:19,507 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 528 transitions. [2024-11-05 19:38:19,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2024-11-05 19:38:19,513 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 19:38:19,514 INFO L215 NwaCegarLoop]: trace histogram [65, 65, 65, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 19:38:19,548 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-05 19:38:19,714 WARN L453 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 [2024-11-05 19:38:19,715 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 19:38:19,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 19:38:19,716 INFO L85 PathProgramCache]: Analyzing trace with hash 556624698, now seen corresponding path program 1 times [2024-11-05 19:38:19,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 19:38:19,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2113088975] [2024-11-05 19:38:19,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 19:38:19,716 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 19:38:19,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 19:38:19,718 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) [2024-11-05 19:38:19,719 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 [2024-11-05 19:38:20,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 19:38:20,477 INFO L255 TraceCheckSpWp]: Trace formula consists of 658 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-05 19:38:20,483 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 19:38:23,911 INFO L134 CoverageAnalysis]: Checked inductivity of 8320 backedges. 4068 proven. 114 refuted. 0 times theorem prover too weak. 4138 trivial. 0 not checked. [2024-11-05 19:38:23,911 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 19:38:27,112 INFO L134 CoverageAnalysis]: Checked inductivity of 8320 backedges. 78 proven. 114 refuted. 0 times theorem prover too weak. 8128 trivial. 0 not checked. [2024-11-05 19:38:27,112 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 19:38:27,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2113088975] [2024-11-05 19:38:27,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [2113088975] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-05 19:38:27,113 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-05 19:38:27,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2024-11-05 19:38:27,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420320533] [2024-11-05 19:38:27,116 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-05 19:38:27,117 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-05 19:38:27,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 19:38:27,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-05 19:38:27,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-05 19:38:27,119 INFO L87 Difference]: Start difference. First operand 326 states and 528 transitions. Second operand has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 7 states have internal predecessors, (88), 2 states have call successors, (103), 2 states have call predecessors, (103), 4 states have return successors, (104), 2 states have call predecessors, (104), 2 states have call successors, (104) [2024-11-05 19:38:34,079 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-05 19:38:38,083 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-05 19:38:39,560 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-05 19:38:39,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 19:38:39,568 INFO L93 Difference]: Finished difference Result 661 states and 1063 transitions. [2024-11-05 19:38:39,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-05 19:38:39,629 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 7 states have internal predecessors, (88), 2 states have call successors, (103), 2 states have call predecessors, (103), 4 states have return successors, (104), 2 states have call predecessors, (104), 2 states have call successors, (104) Word has length 401 [2024-11-05 19:38:39,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 19:38:39,634 INFO L225 Difference]: With dead ends: 661 [2024-11-05 19:38:39,634 INFO L226 Difference]: Without dead ends: 338 [2024-11-05 19:38:39,636 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 803 GetRequests, 794 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2024-11-05 19:38:39,637 INFO L432 NwaCegarLoop]: 195 mSDtfsCounter, 223 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 343 mSolverCounterSat, 63 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 452 SdHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 343 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.2s IncrementalHoareTripleChecker+Time [2024-11-05 19:38:39,637 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 452 Invalid, 408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 343 Invalid, 2 Unknown, 0 Unchecked, 12.2s Time] [2024-11-05 19:38:39,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2024-11-05 19:38:39,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 334. [2024-11-05 19:38:39,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 334 states, 199 states have (on average 1.3668341708542713) internal successors, (272), 199 states have internal predecessors, (272), 130 states have call successors, (130), 4 states have call predecessors, (130), 4 states have return successors, (130), 130 states have call predecessors, (130), 130 states have call successors, (130) [2024-11-05 19:38:39,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 532 transitions. [2024-11-05 19:38:39,680 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 532 transitions. Word has length 401 [2024-11-05 19:38:39,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 19:38:39,681 INFO L471 AbstractCegarLoop]: Abstraction has 334 states and 532 transitions. [2024-11-05 19:38:39,681 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 7 states have internal predecessors, (88), 2 states have call successors, (103), 2 states have call predecessors, (103), 4 states have return successors, (104), 2 states have call predecessors, (104), 2 states have call successors, (104) [2024-11-05 19:38:39,681 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 532 transitions. [2024-11-05 19:38:39,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 403 [2024-11-05 19:38:39,684 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 19:38:39,684 INFO L215 NwaCegarLoop]: trace histogram [65, 65, 65, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 19:38:39,722 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-05 19:38:39,885 WARN L453 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 [2024-11-05 19:38:39,885 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 19:38:39,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 19:38:39,886 INFO L85 PathProgramCache]: Analyzing trace with hash 138674209, now seen corresponding path program 1 times [2024-11-05 19:38:39,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 19:38:39,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1301575845] [2024-11-05 19:38:39,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 19:38:39,887 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 [2024-11-05 19:38:39,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 19:38:39,890 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) [2024-11-05 19:38:39,891 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 [2024-11-05 19:38:40,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 19:38:40,630 INFO L255 TraceCheckSpWp]: Trace formula consists of 659 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-05 19:38:40,637 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 19:38:48,930 INFO L134 CoverageAnalysis]: Checked inductivity of 8320 backedges. 5975 proven. 207 refuted. 0 times theorem prover too weak. 2138 trivial. 0 not checked. [2024-11-05 19:38:48,930 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 19:38:55,992 INFO L134 CoverageAnalysis]: Checked inductivity of 8320 backedges. 525 proven. 225 refuted. 0 times theorem prover too weak. 7570 trivial. 0 not checked. [2024-11-05 19:38:55,993 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 19:38:55,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1301575845] [2024-11-05 19:38:55,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1301575845] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-05 19:38:55,993 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-05 19:38:55,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 24 [2024-11-05 19:38:55,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587347734] [2024-11-05 19:38:55,994 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-05 19:38:55,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-05 19:38:55,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 19:38:55,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-05 19:38:55,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=398, Unknown=0, NotChecked=0, Total=552 [2024-11-05 19:38:55,997 INFO L87 Difference]: Start difference. First operand 334 states and 532 transitions. Second operand has 24 states, 24 states have (on average 5.041666666666667) internal successors, (121), 24 states have internal predecessors, (121), 5 states have call successors, (103), 5 states have call predecessors, (103), 13 states have return successors, (104), 5 states have call predecessors, (104), 5 states have call successors, (104) [2024-11-05 19:39:08,344 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-05 19:39:12,352 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-05 19:39:16,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-05 19:39:20,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-05 19:39:29,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 19:39:29,140 INFO L93 Difference]: Finished difference Result 866 states and 1335 transitions. [2024-11-05 19:39:29,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-11-05 19:39:29,141 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 5.041666666666667) internal successors, (121), 24 states have internal predecessors, (121), 5 states have call successors, (103), 5 states have call predecessors, (103), 13 states have return successors, (104), 5 states have call predecessors, (104), 5 states have call successors, (104) Word has length 402 [2024-11-05 19:39:29,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 19:39:29,146 INFO L225 Difference]: With dead ends: 866 [2024-11-05 19:39:29,146 INFO L226 Difference]: Without dead ends: 535 [2024-11-05 19:39:29,148 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 843 GetRequests, 784 SyntacticMatches, 1 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 935 ImplicationChecksByTransitivity, 8.2s TimeCoverageRelationStatistics Valid=949, Invalid=2591, Unknown=0, NotChecked=0, Total=3540 [2024-11-05 19:39:29,149 INFO L432 NwaCegarLoop]: 320 mSDtfsCounter, 1208 mSDsluCounter, 691 mSDsCounter, 0 mSdLazyCounter, 1264 mSolverCounterSat, 860 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1208 SdHoareTripleChecker+Valid, 1011 SdHoareTripleChecker+Invalid, 2127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 860 IncrementalHoareTripleChecker+Valid, 1264 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.8s IncrementalHoareTripleChecker+Time [2024-11-05 19:39:29,149 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1208 Valid, 1011 Invalid, 2127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [860 Valid, 1264 Invalid, 3 Unknown, 0 Unchecked, 27.8s Time] [2024-11-05 19:39:29,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 535 states. [2024-11-05 19:39:29,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 535 to 480. [2024-11-05 19:39:29,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 480 states, 269 states have (on average 1.2490706319702602) internal successors, (336), 270 states have internal predecessors, (336), 195 states have call successors, (195), 15 states have call predecessors, (195), 15 states have return successors, (195), 194 states have call predecessors, (195), 195 states have call successors, (195) [2024-11-05 19:39:29,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 480 states and 726 transitions. [2024-11-05 19:39:29,214 INFO L78 Accepts]: Start accepts. Automaton has 480 states and 726 transitions. Word has length 402 [2024-11-05 19:39:29,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 19:39:29,215 INFO L471 AbstractCegarLoop]: Abstraction has 480 states and 726 transitions. [2024-11-05 19:39:29,216 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 5.041666666666667) internal successors, (121), 24 states have internal predecessors, (121), 5 states have call successors, (103), 5 states have call predecessors, (103), 13 states have return successors, (104), 5 states have call predecessors, (104), 5 states have call successors, (104) [2024-11-05 19:39:29,216 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 726 transitions. [2024-11-05 19:39:29,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2024-11-05 19:39:29,218 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 19:39:29,218 INFO L215 NwaCegarLoop]: trace histogram [65, 65, 65, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 19:39:29,249 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