/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-15.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-03 08:48:17,610 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-03 08:48:17,658 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 08:48:17,662 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-03 08:48:17,662 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-03 08:48:17,677 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-03 08:48:17,677 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-03 08:48:17,677 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-03 08:48:17,678 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-03 08:48:17,678 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-03 08:48:17,678 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-03 08:48:17,679 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-03 08:48:17,679 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-03 08:48:17,679 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-03 08:48:17,679 INFO L153 SettingsManager]: * Use SBE=true [2024-11-03 08:48:17,680 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-03 08:48:17,680 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-03 08:48:17,680 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-03 08:48:17,680 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-03 08:48:17,681 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-03 08:48:17,681 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-03 08:48:17,681 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-03 08:48:17,681 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-03 08:48:17,682 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-03 08:48:17,682 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-03 08:48:17,682 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-03 08:48:17,682 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-03 08:48:17,682 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-03 08:48:17,683 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-03 08:48:17,683 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-03 08:48:17,683 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-03 08:48:17,683 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-03 08:48:17,684 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-03 08:48:17,684 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-03 08:48:17,684 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 08:48:17,684 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-03 08:48:17,685 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-03 08:48:17,685 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-03 08:48:17,685 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-03 08:48:17,685 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-03 08:48:17,685 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-03 08:48:17,686 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-03 08:48:17,686 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-03 08:48:17,686 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-03 08:48:17,687 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-03 08:48:17,877 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-03 08:48:17,903 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-03 08:48:17,906 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-03 08:48:17,908 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-03 08:48:17,908 INFO L274 PluginConnector]: CDTParser initialized [2024-11-03 08:48:17,909 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount50_file-15.i [2024-11-03 08:48:19,165 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-03 08:48:19,330 INFO L384 CDTParser]: Found 1 translation units. [2024-11-03 08:48:19,330 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount50_file-15.i [2024-11-03 08:48:19,337 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/074f90cfc/ca0ec4f23bbb4abf872b8a8dd5705322/FLAGb5eeee04e [2024-11-03 08:48:19,745 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/074f90cfc/ca0ec4f23bbb4abf872b8a8dd5705322 [2024-11-03 08:48:19,747 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-03 08:48:19,748 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-03 08:48:19,749 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-03 08:48:19,749 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-03 08:48:19,756 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-03 08:48:19,760 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 08:48:19" (1/1) ... [2024-11-03 08:48:19,761 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@460f49ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:48:19, skipping insertion in model container [2024-11-03 08:48:19,761 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 08:48:19" (1/1) ... [2024-11-03 08:48:19,789 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-03 08:48:19,931 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-15.i[915,928] [2024-11-03 08:48:19,994 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 08:48:20,010 INFO L200 MainTranslator]: Completed pre-run [2024-11-03 08:48:20,020 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-15.i[915,928] [2024-11-03 08:48:20,049 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 08:48:20,068 INFO L204 MainTranslator]: Completed translation [2024-11-03 08:48:20,070 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:48:20 WrapperNode [2024-11-03 08:48:20,070 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-03 08:48:20,071 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-03 08:48:20,071 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-03 08:48:20,072 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-03 08:48:20,077 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:48:20" (1/1) ... [2024-11-03 08:48:20,089 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:48:20" (1/1) ... [2024-11-03 08:48:20,114 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 148 [2024-11-03 08:48:20,114 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-03 08:48:20,115 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-03 08:48:20,115 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-03 08:48:20,115 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-03 08:48:20,125 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:48:20" (1/1) ... [2024-11-03 08:48:20,126 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:48:20" (1/1) ... [2024-11-03 08:48:20,129 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:48:20" (1/1) ... [2024-11-03 08:48:20,138 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 08:48:20,139 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:48:20" (1/1) ... [2024-11-03 08:48:20,139 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:48:20" (1/1) ... [2024-11-03 08:48:20,152 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:48:20" (1/1) ... [2024-11-03 08:48:20,158 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:48:20" (1/1) ... [2024-11-03 08:48:20,160 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:48:20" (1/1) ... [2024-11-03 08:48:20,161 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:48:20" (1/1) ... [2024-11-03 08:48:20,164 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-03 08:48:20,165 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-03 08:48:20,166 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-03 08:48:20,166 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-03 08:48:20,166 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:48:20" (1/1) ... [2024-11-03 08:48:20,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 08:48:20,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-03 08:48:20,209 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 08:48:20,212 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 08:48:20,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-03 08:48:20,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-03 08:48:20,234 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-03 08:48:20,234 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-03 08:48:20,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-03 08:48:20,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-03 08:48:20,327 INFO L238 CfgBuilder]: Building ICFG [2024-11-03 08:48:20,330 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-03 08:48:23,815 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-03 08:48:23,815 INFO L287 CfgBuilder]: Performing block encoding [2024-11-03 08:48:23,829 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-03 08:48:23,829 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-03 08:48:23,829 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 08:48:23 BoogieIcfgContainer [2024-11-03 08:48:23,829 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-03 08:48:23,831 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-03 08:48:23,832 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-03 08:48:23,836 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-03 08:48:23,836 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 08:48:19" (1/3) ... [2024-11-03 08:48:23,837 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@301a0883 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 08:48:23, skipping insertion in model container [2024-11-03 08:48:23,837 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:48:20" (2/3) ... [2024-11-03 08:48:23,837 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@301a0883 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 08:48:23, skipping insertion in model container [2024-11-03 08:48:23,838 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 08:48:23" (3/3) ... [2024-11-03 08:48:23,839 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-15.i [2024-11-03 08:48:23,852 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-03 08:48:23,853 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-03 08:48:23,930 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-03 08:48:23,935 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;@2c3ee1b8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-03 08:48:23,935 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-03 08:48:23,938 INFO L276 IsEmpty]: Start isEmpty. Operand has 67 states, 44 states have (on average 1.3636363636363635) internal successors, (60), 45 states have internal predecessors, (60), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-03 08:48:23,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-03 08:48:23,947 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 08:48:23,948 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:48:23,948 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 08:48:23,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 08:48:23,953 INFO L85 PathProgramCache]: Analyzing trace with hash 1839978573, now seen corresponding path program 1 times [2024-11-03 08:48:23,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 08:48:23,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [585653149] [2024-11-03 08:48:23,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 08:48:23,961 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 08:48:23,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-03 08:48:23,963 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 08:48:23,964 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 08:48:24,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 08:48:24,278 INFO L255 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-03 08:48:24,287 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 08:48:24,321 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 398 proven. 0 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2024-11-03 08:48:24,322 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 08:48:24,526 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2024-11-03 08:48:24,527 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 08:48:24,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [585653149] [2024-11-03 08:48:24,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [585653149] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 08:48:24,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 08:48:24,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-03 08:48:24,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909243430] [2024-11-03 08:48:24,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 08:48:24,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-03 08:48:24,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 08:48:24,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-03 08:48:24,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-03 08:48:24,559 INFO L87 Difference]: Start difference. First operand has 67 states, 44 states have (on average 1.3636363636363635) internal successors, (60), 45 states have internal predecessors, (60), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-03 08:48:24,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 08:48:24,579 INFO L93 Difference]: Finished difference Result 127 states and 214 transitions. [2024-11-03 08:48:24,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-03 08:48:24,581 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 132 [2024-11-03 08:48:24,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 08:48:24,586 INFO L225 Difference]: With dead ends: 127 [2024-11-03 08:48:24,586 INFO L226 Difference]: Without dead ends: 63 [2024-11-03 08:48:24,589 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 262 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 08:48:24,592 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 08:48:24,592 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 08:48:24,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-11-03 08:48:24,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2024-11-03 08:48:24,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 41 states have (on average 1.2926829268292683) internal successors, (53), 41 states have internal predecessors, (53), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-03 08:48:24,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 93 transitions. [2024-11-03 08:48:24,627 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 93 transitions. Word has length 132 [2024-11-03 08:48:24,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 08:48:24,628 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 93 transitions. [2024-11-03 08:48:24,628 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-03 08:48:24,628 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 93 transitions. [2024-11-03 08:48:24,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-03 08:48:24,630 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 08:48:24,631 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:48:24,642 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 08:48:24,831 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 08:48:24,832 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 08:48:24,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 08:48:24,833 INFO L85 PathProgramCache]: Analyzing trace with hash 2103523225, now seen corresponding path program 1 times [2024-11-03 08:48:24,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 08:48:24,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1982941758] [2024-11-03 08:48:24,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 08:48:24,833 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 08:48:24,833 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-03 08:48:24,835 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 08:48:24,838 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 08:48:25,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 08:48:25,163 INFO L255 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-03 08:48:25,168 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 08:48:26,493 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-03 08:48:26,494 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 08:48:26,989 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-03 08:48:26,989 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 08:48:26,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1982941758] [2024-11-03 08:48:26,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1982941758] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 08:48:26,990 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 08:48:26,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 6 [2024-11-03 08:48:26,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725830626] [2024-11-03 08:48:26,990 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 08:48:26,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-03 08:48:26,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 08:48:26,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-03 08:48:26,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-03 08:48:26,996 INFO L87 Difference]: Start difference. First operand 63 states and 93 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2024-11-03 08:48:28,989 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-03 08:48:30,380 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-03 08:48:30,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 08:48:30,441 INFO L93 Difference]: Finished difference Result 204 states and 303 transitions. [2024-11-03 08:48:30,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-03 08:48:30,460 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 132 [2024-11-03 08:48:30,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 08:48:30,463 INFO L225 Difference]: With dead ends: 204 [2024-11-03 08:48:30,463 INFO L226 Difference]: Without dead ends: 144 [2024-11-03 08:48:30,464 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 259 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-03 08:48:30,464 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 105 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2024-11-03 08:48:30,465 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 363 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2024-11-03 08:48:30,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2024-11-03 08:48:30,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 103. [2024-11-03 08:48:30,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 60 states have (on average 1.2) internal successors, (72), 60 states have internal predecessors, (72), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-03 08:48:30,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 152 transitions. [2024-11-03 08:48:30,489 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 152 transitions. Word has length 132 [2024-11-03 08:48:30,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 08:48:30,490 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 152 transitions. [2024-11-03 08:48:30,490 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2024-11-03 08:48:30,490 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 152 transitions. [2024-11-03 08:48:30,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-03 08:48:30,491 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 08:48:30,491 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:48:30,502 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 08:48:30,692 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 08:48:30,692 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 08:48:30,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 08:48:30,693 INFO L85 PathProgramCache]: Analyzing trace with hash -1914306128, now seen corresponding path program 1 times [2024-11-03 08:48:30,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 08:48:30,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [812162185] [2024-11-03 08:48:30,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 08:48:30,693 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 08:48:30,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-03 08:48:30,695 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 08:48:30,695 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 08:48:30,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 08:48:30,989 INFO L255 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-03 08:48:30,992 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 08:48:32,888 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-03 08:48:32,888 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 08:48:33,301 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-03 08:48:33,302 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 08:48:33,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [812162185] [2024-11-03 08:48:33,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [812162185] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 08:48:33,303 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 08:48:33,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2024-11-03 08:48:33,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321442788] [2024-11-03 08:48:33,303 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 08:48:33,303 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-03 08:48:33,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 08:48:33,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-03 08:48:33,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-03 08:48:33,305 INFO L87 Difference]: Start difference. First operand 103 states and 152 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2024-11-03 08:48:34,779 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-03 08:48:36,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-03 08:48:39,793 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-03 08:48:44,909 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-03 08:48:49,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-03 08:48:51,616 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-03 08:48:51,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 08:48:51,696 INFO L93 Difference]: Finished difference Result 280 states and 417 transitions. [2024-11-03 08:48:51,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-03 08:48:51,712 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 133 [2024-11-03 08:48:51,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 08:48:51,715 INFO L225 Difference]: With dead ends: 280 [2024-11-03 08:48:51,715 INFO L226 Difference]: Without dead ends: 220 [2024-11-03 08:48:51,716 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 263 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-03 08:48:51,716 INFO L432 NwaCegarLoop]: 158 mSDtfsCounter, 153 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.7s IncrementalHoareTripleChecker+Time [2024-11-03 08:48:51,717 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 273 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 17.7s Time] [2024-11-03 08:48:51,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2024-11-03 08:48:51,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 105. [2024-11-03 08:48:51,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 62 states have (on average 1.1935483870967742) internal successors, (74), 62 states have internal predecessors, (74), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-03 08:48:51,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 154 transitions. [2024-11-03 08:48:51,743 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 154 transitions. Word has length 133 [2024-11-03 08:48:51,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 08:48:51,747 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 154 transitions. [2024-11-03 08:48:51,748 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2024-11-03 08:48:51,748 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 154 transitions. [2024-11-03 08:48:51,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-03 08:48:51,751 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 08:48:51,751 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:48:51,763 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2024-11-03 08:48:51,952 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 [2024-11-03 08:48:51,952 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 08:48:51,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 08:48:51,953 INFO L85 PathProgramCache]: Analyzing trace with hash -1656140690, now seen corresponding path program 1 times [2024-11-03 08:48:51,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 08:48:51,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1926331343] [2024-11-03 08:48:51,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 08:48:51,953 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-03 08:48:51,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-03 08:48:51,956 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) [2024-11-03 08:48:51,957 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 [2024-11-03 08:48:52,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 08:48:52,228 INFO L255 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-03 08:48:52,231 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 08:48:53,147 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 39 proven. 336 refuted. 0 times theorem prover too weak. 385 trivial. 0 not checked. [2024-11-03 08:48:53,148 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 08:48:53,763 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 39 proven. 18 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-11-03 08:48:53,763 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 08:48:53,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1926331343] [2024-11-03 08:48:53,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1926331343] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-03 08:48:53,763 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-03 08:48:53,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-11-03 08:48:53,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413081892] [2024-11-03 08:48:53,764 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-03 08:48:53,764 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-03 08:48:53,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 08:48:53,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-03 08:48:53,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-03 08:48:53,765 INFO L87 Difference]: Start difference. First operand 105 states and 154 transitions. Second operand has 11 states, 11 states have (on average 6.545454545454546) internal successors, (72), 11 states have internal predecessors, (72), 4 states have call successors, (40), 3 states have call predecessors, (40), 5 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) [2024-11-03 08:48:56,983 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-03 08:49:00,245 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-03 08:49:01,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 08:49:01,084 INFO L93 Difference]: Finished difference Result 243 states and 348 transitions. [2024-11-03 08:49:01,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-03 08:49:01,095 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.545454545454546) internal successors, (72), 11 states have internal predecessors, (72), 4 states have call successors, (40), 3 states have call predecessors, (40), 5 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) Word has length 133 [2024-11-03 08:49:01,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 08:49:01,097 INFO L225 Difference]: With dead ends: 243 [2024-11-03 08:49:01,097 INFO L226 Difference]: Without dead ends: 181 [2024-11-03 08:49:01,098 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 280 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=196, Invalid=404, Unknown=0, NotChecked=0, Total=600 [2024-11-03 08:49:01,099 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 200 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 162 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 162 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2024-11-03 08:49:01,100 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [200 Valid, 264 Invalid, 347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [162 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 6.6s Time] [2024-11-03 08:49:01,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2024-11-03 08:49:01,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 111. [2024-11-03 08:49:01,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 66 states have (on average 1.1666666666666667) internal successors, (77), 66 states have internal predecessors, (77), 40 states have call successors, (40), 4 states have call predecessors, (40), 4 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-03 08:49:01,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 157 transitions. [2024-11-03 08:49:01,123 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 157 transitions. Word has length 133 [2024-11-03 08:49:01,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 08:49:01,124 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 157 transitions. [2024-11-03 08:49:01,124 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.545454545454546) internal successors, (72), 11 states have internal predecessors, (72), 4 states have call successors, (40), 3 states have call predecessors, (40), 5 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) [2024-11-03 08:49:01,124 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 157 transitions. [2024-11-03 08:49:01,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-03 08:49:01,125 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 08:49:01,126 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:49:01,138 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-03 08:49:01,326 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-03 08:49:01,326 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 08:49:01,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 08:49:01,327 INFO L85 PathProgramCache]: Analyzing trace with hash 1836374913, now seen corresponding path program 1 times [2024-11-03 08:49:01,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 08:49:01,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1350629748] [2024-11-03 08:49:01,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 08:49:01,328 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 08:49:01,328 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-03 08:49:01,330 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-03 08:49:01,334 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-03 08:49:01,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 08:49:01,623 INFO L255 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-03 08:49:01,626 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 08:49:01,814 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 289 proven. 12 refuted. 0 times theorem prover too weak. 459 trivial. 0 not checked. [2024-11-03 08:49:01,814 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 08:49:02,192 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 45 proven. 12 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-11-03 08:49:02,193 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 08:49:02,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1350629748] [2024-11-03 08:49:02,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1350629748] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-03 08:49:02,193 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-03 08:49:02,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2024-11-03 08:49:02,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921827800] [2024-11-03 08:49:02,193 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-03 08:49:02,194 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-03 08:49:02,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 08:49:02,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-03 08:49:02,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-03 08:49:02,195 INFO L87 Difference]: Start difference. First operand 111 states and 157 transitions. Second operand has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-03 08:49:04,665 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-03 08:49:04,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 08:49:04,769 INFO L93 Difference]: Finished difference Result 188 states and 257 transitions. [2024-11-03 08:49:04,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-03 08:49:04,788 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 134 [2024-11-03 08:49:04,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 08:49:04,789 INFO L225 Difference]: With dead ends: 188 [2024-11-03 08:49:04,789 INFO L226 Difference]: Without dead ends: 124 [2024-11-03 08:49:04,790 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 259 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=184, Unknown=0, NotChecked=0, Total=272 [2024-11-03 08:49:04,791 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 79 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-03 08:49:04,791 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 150 Invalid, 266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-03 08:49:04,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-11-03 08:49:04,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 116. [2024-11-03 08:49:04,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 69 states have (on average 1.0724637681159421) internal successors, (74), 69 states have internal predecessors, (74), 40 states have call successors, (40), 6 states have call predecessors, (40), 6 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-03 08:49:04,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 154 transitions. [2024-11-03 08:49:04,806 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 154 transitions. Word has length 134 [2024-11-03 08:49:04,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 08:49:04,806 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 154 transitions. [2024-11-03 08:49:04,806 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-03 08:49:04,807 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 154 transitions. [2024-11-03 08:49:04,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-03 08:49:04,807 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 08:49:04,807 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:49:04,825 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2024-11-03 08:49:05,008 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-03 08:49:05,009 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 08:49:05,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 08:49:05,009 INFO L85 PathProgramCache]: Analyzing trace with hash 2123406273, now seen corresponding path program 1 times [2024-11-03 08:49:05,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 08:49:05,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [618712999] [2024-11-03 08:49:05,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 08:49:05,009 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 08:49:05,010 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-03 08:49:05,011 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-03 08:49:05,012 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-03 08:49:05,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 08:49:05,291 INFO L255 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-03 08:49:05,293 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 08:49:05,611 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 289 proven. 12 refuted. 0 times theorem prover too weak. 459 trivial. 0 not checked. [2024-11-03 08:49:05,611 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 08:49:05,875 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 45 proven. 12 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-11-03 08:49:05,875 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 08:49:05,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [618712999] [2024-11-03 08:49:05,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [618712999] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-03 08:49:05,875 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-03 08:49:05,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2024-11-03 08:49:05,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744859448] [2024-11-03 08:49:05,876 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-03 08:49:05,876 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-03 08:49:05,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 08:49:05,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-03 08:49:05,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-03 08:49:05,877 INFO L87 Difference]: Start difference. First operand 116 states and 154 transitions. Second operand has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-03 08:49:08,801 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-03 08:49:08,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 08:49:08,901 INFO L93 Difference]: Finished difference Result 189 states and 248 transitions. [2024-11-03 08:49:08,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-03 08:49:08,917 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 134 [2024-11-03 08:49:08,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 08:49:08,919 INFO L225 Difference]: With dead ends: 189 [2024-11-03 08:49:08,919 INFO L226 Difference]: Without dead ends: 124 [2024-11-03 08:49:08,919 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 259 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=88, Invalid=184, Unknown=0, NotChecked=0, Total=272 [2024-11-03 08:49:08,920 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 74 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-03 08:49:08,922 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 150 Invalid, 258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-11-03 08:49:08,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-11-03 08:49:08,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 116. [2024-11-03 08:49:08,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 69 states have (on average 1.0579710144927537) internal successors, (73), 69 states have internal predecessors, (73), 40 states have call successors, (40), 6 states have call predecessors, (40), 6 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-03 08:49:08,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 153 transitions. [2024-11-03 08:49:08,941 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 153 transitions. Word has length 134 [2024-11-03 08:49:08,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 08:49:08,941 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 153 transitions. [2024-11-03 08:49:08,942 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-03 08:49:08,942 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 153 transitions. [2024-11-03 08:49:08,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-03 08:49:08,943 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 08:49:08,943 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:49:08,954 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2024-11-03 08:49:09,143 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-03 08:49:09,144 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 08:49:09,144 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 08:49:09,144 INFO L85 PathProgramCache]: Analyzing trace with hash -396553661, now seen corresponding path program 1 times [2024-11-03 08:49:09,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 08:49:09,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [644777472] [2024-11-03 08:49:09,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 08:49:09,144 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 08:49:09,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-03 08:49:09,146 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-03 08:49:09,146 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-03 08:49:09,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 08:49:09,414 INFO L255 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-03 08:49:09,421 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 08:49:51,830 WARN L286 SmtUtils]: Spent 12.75s on a formula simplification that was a NOOP. DAG size: 32 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)