/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_amount50_file-12.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-03 08:48:12,401 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-03 08:48:12,473 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-03 08:48:12,480 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-03 08:48:12,480 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-03 08:48:12,509 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-03 08:48:12,510 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-03 08:48:12,510 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-03 08:48:12,511 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-03 08:48:12,511 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-03 08:48:12,511 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-03 08:48:12,512 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-03 08:48:12,513 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-03 08:48:12,514 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-03 08:48:12,514 INFO L153 SettingsManager]: * Use SBE=true [2024-11-03 08:48:12,515 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-03 08:48:12,515 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-03 08:48:12,515 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-03 08:48:12,516 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-03 08:48:12,516 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-03 08:48:12,516 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-03 08:48:12,518 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-03 08:48:12,518 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-03 08:48:12,519 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-03 08:48:12,519 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-03 08:48:12,519 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-03 08:48:12,519 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-03 08:48:12,519 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-03 08:48:12,520 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-03 08:48:12,520 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-03 08:48:12,520 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-03 08:48:12,520 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-03 08:48:12,521 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-03 08:48:12,521 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-03 08:48:12,521 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 08:48:12,521 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-03 08:48:12,521 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-03 08:48:12,522 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-03 08:48:12,522 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-03 08:48:12,522 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-03 08:48:12,522 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-03 08:48:12,523 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-03 08:48:12,524 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-03 08:48:12,524 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-03 08:48:12,524 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-03 08:48:12,775 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-03 08:48:12,795 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-03 08:48:12,799 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-03 08:48:12,800 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-03 08:48:12,800 INFO L274 PluginConnector]: CDTParser initialized [2024-11-03 08:48:12,802 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount50_file-12.i [2024-11-03 08:48:14,261 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-03 08:48:14,447 INFO L384 CDTParser]: Found 1 translation units. [2024-11-03 08:48:14,448 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount50_file-12.i [2024-11-03 08:48:14,458 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c05e5a347/3a2df3e813fe4526952cc21bdcdc3095/FLAGce1ccdeb2 [2024-11-03 08:48:14,472 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c05e5a347/3a2df3e813fe4526952cc21bdcdc3095 [2024-11-03 08:48:14,478 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-03 08:48:14,480 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-03 08:48:14,481 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-03 08:48:14,481 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-03 08:48:14,487 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-03 08:48:14,488 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 08:48:14" (1/1) ... [2024-11-03 08:48:14,489 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26983dc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:48:14, skipping insertion in model container [2024-11-03 08:48:14,489 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 08:48:14" (1/1) ... [2024-11-03 08:48:14,525 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-03 08:48:14,699 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_amount50_file-12.i[915,928] [2024-11-03 08:48:14,754 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 08:48:14,775 INFO L200 MainTranslator]: Completed pre-run [2024-11-03 08:48:14,787 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_amount50_file-12.i[915,928] [2024-11-03 08:48:14,817 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 08:48:14,837 INFO L204 MainTranslator]: Completed translation [2024-11-03 08:48:14,839 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:48:14 WrapperNode [2024-11-03 08:48:14,839 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-03 08:48:14,841 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-03 08:48:14,841 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-03 08:48:14,841 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-03 08:48:14,849 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:48:14" (1/1) ... [2024-11-03 08:48:14,869 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:48:14" (1/1) ... [2024-11-03 08:48:14,906 INFO L138 Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 147 [2024-11-03 08:48:14,907 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-03 08:48:14,908 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-03 08:48:14,908 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-03 08:48:14,908 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-03 08:48:14,918 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:48:14" (1/1) ... [2024-11-03 08:48:14,919 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:48:14" (1/1) ... [2024-11-03 08:48:14,924 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:48:14" (1/1) ... [2024-11-03 08:48:14,939 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]. [2024-11-03 08:48:14,940 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:48:14" (1/1) ... [2024-11-03 08:48:14,940 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:48:14" (1/1) ... [2024-11-03 08:48:14,949 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:48:14" (1/1) ... [2024-11-03 08:48:14,953 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:48:14" (1/1) ... [2024-11-03 08:48:14,955 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:48:14" (1/1) ... [2024-11-03 08:48:14,957 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:48:14" (1/1) ... [2024-11-03 08:48:14,965 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-03 08:48:14,970 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-03 08:48:14,970 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-03 08:48:14,970 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-03 08:48:14,971 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:48:14" (1/1) ... [2024-11-03 08:48:14,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 08:48:15,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-03 08:48:15,014 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) [2024-11-03 08:48:15,016 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 [2024-11-03 08:48:15,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-03 08:48:15,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-03 08:48:15,038 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-03 08:48:15,038 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-03 08:48:15,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-03 08:48:15,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-03 08:48:15,109 INFO L238 CfgBuilder]: Building ICFG [2024-11-03 08:48:15,111 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-03 08:48:19,856 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-03 08:48:19,856 INFO L287 CfgBuilder]: Performing block encoding [2024-11-03 08:48:19,874 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-03 08:48:19,874 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-03 08:48:19,875 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 08:48:19 BoogieIcfgContainer [2024-11-03 08:48:19,875 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-03 08:48:19,879 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-03 08:48:19,879 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-03 08:48:19,883 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-03 08:48:19,883 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 08:48:14" (1/3) ... [2024-11-03 08:48:19,884 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cb7903b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 08:48:19, skipping insertion in model container [2024-11-03 08:48:19,885 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:48:14" (2/3) ... [2024-11-03 08:48:19,885 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cb7903b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 08:48:19, skipping insertion in model container [2024-11-03 08:48:19,885 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 08:48:19" (3/3) ... [2024-11-03 08:48:19,890 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-12.i [2024-11-03 08:48:19,907 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-03 08:48:19,908 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-03 08:48:19,962 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-03 08:48:19,968 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;@13dc8eb7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-03 08:48:19,969 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-03 08:48:19,973 INFO L276 IsEmpty]: Start isEmpty. Operand has 66 states, 40 states have (on average 1.35) internal successors, (54), 41 states have internal predecessors, (54), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-03 08:48:19,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-03 08:48:19,986 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 08:48:19,987 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 08:48:19,987 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 08:48:19,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 08:48:19,992 INFO L85 PathProgramCache]: Analyzing trace with hash 2106629182, now seen corresponding path program 1 times [2024-11-03 08:48:20,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 08:48:20,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [71528430] [2024-11-03 08:48:20,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 08:48:20,004 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 [2024-11-03 08:48:20,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-03 08:48:20,006 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) [2024-11-03 08:48:20,008 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 [2024-11-03 08:48:20,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 08:48:20,432 INFO L255 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-03 08:48:20,445 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 08:48:20,495 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 464 proven. 0 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2024-11-03 08:48:20,495 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 08:48:21,015 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 14 proven. 30 refuted. 0 times theorem prover too weak. 968 trivial. 0 not checked. [2024-11-03 08:48:21,017 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 08:48:21,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [71528430] [2024-11-03 08:48:21,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [71528430] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 08:48:21,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 08:48:21,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-03 08:48:21,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107965040] [2024-11-03 08:48:21,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 08:48:21,028 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-03 08:48:21,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 08:48:21,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-03 08:48:21,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-03 08:48:21,062 INFO L87 Difference]: Start difference. First operand has 66 states, 40 states have (on average 1.35) internal successors, (54), 41 states have internal predecessors, (54), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-03 08:48:21,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 08:48:21,087 INFO L93 Difference]: Finished difference Result 125 states and 217 transitions. [2024-11-03 08:48:21,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-03 08:48:21,089 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 145 [2024-11-03 08:48:21,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 08:48:21,098 INFO L225 Difference]: With dead ends: 125 [2024-11-03 08:48:21,098 INFO L226 Difference]: Without dead ends: 62 [2024-11-03 08:48:21,103 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 288 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-03 08:48:21,109 INFO L432 NwaCegarLoop]: 93 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, 93 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 [2024-11-03 08:48:21,111 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-03 08:48:21,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2024-11-03 08:48:21,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2024-11-03 08:48:21,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 37 states have (on average 1.2702702702702702) internal successors, (47), 37 states have internal predecessors, (47), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-03 08:48:21,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 93 transitions. [2024-11-03 08:48:21,155 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 93 transitions. Word has length 145 [2024-11-03 08:48:21,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 08:48:21,156 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 93 transitions. [2024-11-03 08:48:21,156 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-03 08:48:21,156 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 93 transitions. [2024-11-03 08:48:21,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-03 08:48:21,159 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 08:48:21,160 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 08:48:21,171 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 [2024-11-03 08:48:21,360 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 [2024-11-03 08:48:21,361 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 08:48:21,362 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 08:48:21,362 INFO L85 PathProgramCache]: Analyzing trace with hash 706993468, now seen corresponding path program 1 times [2024-11-03 08:48:21,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 08:48:21,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1450746460] [2024-11-03 08:48:21,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 08:48:21,363 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-03 08:48:21,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-03 08:48:21,364 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) [2024-11-03 08:48:21,365 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 [2024-11-03 08:48:21,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 08:48:21,719 INFO L255 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-03 08:48:21,726 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 08:48:23,296 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-03 08:48:23,296 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 08:48:23,672 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-03 08:48:23,673 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 08:48:23,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1450746460] [2024-11-03 08:48:23,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1450746460] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 08:48:23,674 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 08:48:23,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 5] imperfect sequences [] total 8 [2024-11-03 08:48:23,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182477588] [2024-11-03 08:48:23,674 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 08:48:23,677 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-03 08:48:23,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 08:48:23,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-03 08:48:23,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-03 08:48:23,679 INFO L87 Difference]: Start difference. First operand 62 states and 93 transitions. Second operand has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 2 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2024-11-03 08:48:25,314 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-03 08:48:28,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-03 08:48:28,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 08:48:28,182 INFO L93 Difference]: Finished difference Result 181 states and 274 transitions. [2024-11-03 08:48:28,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-03 08:48:28,210 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 2 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) Word has length 145 [2024-11-03 08:48:28,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 08:48:28,213 INFO L225 Difference]: With dead ends: 181 [2024-11-03 08:48:28,213 INFO L226 Difference]: Without dead ends: 122 [2024-11-03 08:48:28,214 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 291 GetRequests, 283 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2024-11-03 08:48:28,215 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 47 mSDsluCounter, 402 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 489 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-11-03 08:48:28,216 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 489 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2024-11-03 08:48:28,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-03 08:48:28,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 105. [2024-11-03 08:48:28,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 56 states have (on average 1.1785714285714286) internal successors, (66), 56 states have internal predecessors, (66), 46 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-03 08:48:28,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 158 transitions. [2024-11-03 08:48:28,250 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 158 transitions. Word has length 145 [2024-11-03 08:48:28,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 08:48:28,251 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 158 transitions. [2024-11-03 08:48:28,251 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 2 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2024-11-03 08:48:28,251 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 158 transitions. [2024-11-03 08:48:28,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-03 08:48:28,256 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 08:48:28,256 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 08:48:28,271 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 [2024-11-03 08:48:28,456 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 [2024-11-03 08:48:28,457 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 08:48:28,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 08:48:28,458 INFO L85 PathProgramCache]: Analyzing trace with hash -361848472, now seen corresponding path program 1 times [2024-11-03 08:48:28,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 08:48:28,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [743274876] [2024-11-03 08:48:28,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 08:48:28,458 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 [2024-11-03 08:48:28,458 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-03 08:48:28,461 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) [2024-11-03 08:48:28,462 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 [2024-11-03 08:48:29,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 08:48:29,040 INFO L255 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-03 08:48:29,049 INFO L278 TraceCheckSpWp]: Computing forward predicates...