/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-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n3_w32_d16_e0.c -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-356b6ba-m [2024-11-01 16:28:44,871 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-01 16:28:44,965 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-01 16:28:44,973 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-01 16:28:44,974 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-01 16:28:45,007 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-01 16:28:45,008 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-01 16:28:45,008 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-01 16:28:45,009 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-01 16:28:45,011 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-01 16:28:45,011 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-01 16:28:45,012 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-01 16:28:45,012 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-01 16:28:45,012 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-01 16:28:45,013 INFO L153 SettingsManager]: * Use SBE=true [2024-11-01 16:28:45,013 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-01 16:28:45,013 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-01 16:28:45,014 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-01 16:28:45,017 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-01 16:28:45,019 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-01 16:28:45,020 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-01 16:28:45,020 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-01 16:28:45,021 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-01 16:28:45,021 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-01 16:28:45,021 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-01 16:28:45,021 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-01 16:28:45,022 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-01 16:28:45,022 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-01 16:28:45,022 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-01 16:28:45,022 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-01 16:28:45,023 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-01 16:28:45,023 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-01 16:28:45,023 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-01 16:28:45,023 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-01 16:28:45,024 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-01 16:28:45,024 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-01 16:28:45,025 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-01 16:28:45,025 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-01 16:28:45,025 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-01 16:28:45,026 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-01 16:28:45,026 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-01 16:28:45,026 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-11-01 16:28:45,026 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-01 16:28:45,372 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-01 16:28:45,390 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-01 16:28:45,393 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-01 16:28:45,394 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-01 16:28:45,394 INFO L274 PluginConnector]: CDTParser initialized [2024-11-01 16:28:45,395 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n3_w32_d16_e0.c [2024-11-01 16:28:46,882 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-01 16:28:47,268 INFO L384 CDTParser]: Found 1 translation units. [2024-11-01 16:28:47,269 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n3_w32_d16_e0.c [2024-11-01 16:28:47,295 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c1d783d8/0653605917fb4dc3bd2356c15bc5c1df/FLAG8f3f019fe [2024-11-01 16:28:47,452 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c1d783d8/0653605917fb4dc3bd2356c15bc5c1df [2024-11-01 16:28:47,454 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-01 16:28:47,455 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-01 16:28:47,456 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-01 16:28:47,456 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-01 16:28:47,460 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-01 16:28:47,461 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 04:28:47" (1/1) ... [2024-11-01 16:28:47,462 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ca965c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 04:28:47, skipping insertion in model container [2024-11-01 16:28:47,462 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 04:28:47" (1/1) ... [2024-11-01 16:28:47,541 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-01 16:28:47,780 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n3_w32_d16_e0.c[1325,1338] [2024-11-01 16:28:48,148 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-01 16:28:48,161 INFO L200 MainTranslator]: Completed pre-run [2024-11-01 16:28:48,172 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n3_w32_d16_e0.c[1325,1338] [2024-11-01 16:28:48,339 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-01 16:28:48,353 INFO L204 MainTranslator]: Completed translation [2024-11-01 16:28:48,354 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 04:28:48 WrapperNode [2024-11-01 16:28:48,354 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-01 16:28:48,355 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-01 16:28:48,355 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-01 16:28:48,355 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-01 16:28:48,361 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 04:28:48" (1/1) ... [2024-11-01 16:28:48,413 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 04:28:48" (1/1) ... [2024-11-01 16:28:48,531 INFO L138 Inliner]: procedures = 18, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2642 [2024-11-01 16:28:48,532 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-01 16:28:48,533 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-01 16:28:48,533 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-01 16:28:48,533 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-01 16:28:48,545 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 04:28:48" (1/1) ... [2024-11-01 16:28:48,545 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 04:28:48" (1/1) ... [2024-11-01 16:28:48,566 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 04:28:48" (1/1) ... [2024-11-01 16:28:48,728 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]. [2024-11-01 16:28:48,729 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 04:28:48" (1/1) ... [2024-11-01 16:28:48,729 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 04:28:48" (1/1) ... [2024-11-01 16:28:48,787 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 04:28:48" (1/1) ... [2024-11-01 16:28:48,805 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 04:28:48" (1/1) ... [2024-11-01 16:28:48,813 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 04:28:48" (1/1) ... [2024-11-01 16:28:48,829 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 04:28:48" (1/1) ... [2024-11-01 16:28:48,848 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-01 16:28:48,850 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-01 16:28:48,850 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-01 16:28:48,851 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-01 16:28:48,851 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 04:28:48" (1/1) ... [2024-11-01 16:28:48,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-01 16:28:48,870 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-01 16:28:48,884 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) [2024-11-01 16:28:48,890 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 [2024-11-01 16:28:48,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-01 16:28:48,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-01 16:28:48,920 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-01 16:28:48,920 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-01 16:28:48,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-01 16:28:48,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-01 16:28:49,351 INFO L238 CfgBuilder]: Building ICFG [2024-11-01 16:28:49,353 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-01 16:28:51,459 INFO L? ?]: Removed 953 outVars from TransFormulas that were not future-live. [2024-11-01 16:28:51,459 INFO L287 CfgBuilder]: Performing block encoding [2024-11-01 16:28:51,475 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-01 16:28:51,476 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-01 16:28:51,476 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 04:28:51 BoogieIcfgContainer [2024-11-01 16:28:51,476 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-01 16:28:51,479 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-01 16:28:51,479 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-01 16:28:51,483 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-01 16:28:51,483 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.11 04:28:47" (1/3) ... [2024-11-01 16:28:51,484 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72b8b29a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 04:28:51, skipping insertion in model container [2024-11-01 16:28:51,484 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 04:28:48" (2/3) ... [2024-11-01 16:28:51,484 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72b8b29a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 04:28:51, skipping insertion in model container [2024-11-01 16:28:51,485 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 04:28:51" (3/3) ... [2024-11-01 16:28:51,487 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.arbitrated_top_n3_w32_d16_e0.c [2024-11-01 16:28:51,505 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-01 16:28:51,506 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-01 16:28:51,564 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-01 16:28:51,572 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;@2558db1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-01 16:28:51,573 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-01 16:28:51,577 INFO L276 IsEmpty]: Start isEmpty. Operand has 34 states, 21 states have (on average 1.1904761904761905) internal successors, (25), 22 states have internal predecessors, (25), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-01 16:28:51,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-01 16:28:51,588 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 16:28:51,589 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-01 16:28:51,590 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 16:28:51,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 16:28:51,596 INFO L85 PathProgramCache]: Analyzing trace with hash -209771273, now seen corresponding path program 1 times [2024-11-01 16:28:51,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 16:28:51,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [988565276] [2024-11-01 16:28:51,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 16:28:51,608 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 [2024-11-01 16:28:51,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-01 16:28:51,612 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) [2024-11-01 16:28:51,614 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 [2024-11-01 16:28:53,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 16:28:53,814 INFO L255 TraceCheckSpWp]: Trace formula consists of 1159 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-01 16:28:53,831 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 16:28:54,199 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-01 16:28:54,200 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 16:28:54,806 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-01 16:28:54,808 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 16:28:54,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [988565276] [2024-11-01 16:28:54,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [988565276] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 16:28:54,809 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 16:28:54,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2024-11-01 16:28:54,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202081940] [2024-11-01 16:28:54,811 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 16:28:54,816 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-01 16:28:54,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 16:28:54,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-01 16:28:54,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-01 16:28:54,842 INFO L87 Difference]: Start difference. First operand has 34 states, 21 states have (on average 1.1904761904761905) internal successors, (25), 22 states have internal predecessors, (25), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-01 16:28:55,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 16:28:55,485 INFO L93 Difference]: Finished difference Result 85 states and 140 transitions. [2024-11-01 16:28:55,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-01 16:28:55,487 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 65 [2024-11-01 16:28:55,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 16:28:55,493 INFO L225 Difference]: With dead ends: 85 [2024-11-01 16:28:55,493 INFO L226 Difference]: Without dead ends: 53 [2024-11-01 16:28:55,495 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-01 16:28:55,498 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 0 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-01 16:28:55,499 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 132 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-01 16:28:55,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2024-11-01 16:28:55,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2024-11-01 16:28:55,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 31 states have (on average 1.032258064516129) internal successors, (32), 31 states have internal predecessors, (32), 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) [2024-11-01 16:28:55,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 72 transitions. [2024-11-01 16:28:55,546 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 72 transitions. Word has length 65 [2024-11-01 16:28:55,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 16:28:55,549 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 72 transitions. [2024-11-01 16:28:55,549 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-01 16:28:55,550 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2024-11-01 16:28:55,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-01 16:28:55,555 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 16:28:55,555 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-01 16:28:55,577 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-01 16:28:55,760 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 [2024-11-01 16:28:55,761 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 16:28:55,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 16:28:55,762 INFO L85 PathProgramCache]: Analyzing trace with hash -1242097501, now seen corresponding path program 1 times [2024-11-01 16:28:55,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 16:28:55,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [931375572] [2024-11-01 16:28:55,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 16:28:55,762 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 [2024-11-01 16:28:55,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-01 16:28:55,774 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) [2024-11-01 16:28:55,776 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 [2024-11-01 16:29:04,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 16:29:04,392 INFO L255 TraceCheckSpWp]: Trace formula consists of 2215 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-01 16:29:04,412 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 16:29:05,167 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 18 proven. 61 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-11-01 16:29:05,167 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 16:29:09,856 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 18 proven. 61 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-11-01 16:29:09,857 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 16:29:09,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [931375572] [2024-11-01 16:29:09,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [931375572] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-01 16:29:09,857 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-01 16:29:09,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2024-11-01 16:29:09,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031396558] [2024-11-01 16:29:09,857 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-01 16:29:09,859 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-01 16:29:09,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 16:29:09,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-01 16:29:09,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2024-11-01 16:29:09,861 INFO L87 Difference]: Start difference. First operand 53 states and 72 transitions. Second operand has 15 states, 13 states have (on average 4.769230769230769) internal successors, (62), 15 states have internal predecessors, (62), 8 states have call successors, (40), 1 states have call predecessors, (40), 2 states have return successors, (40), 6 states have call predecessors, (40), 8 states have call successors, (40) [2024-11-01 16:29:11,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 16:29:11,446 INFO L93 Difference]: Finished difference Result 78 states and 107 transitions. [2024-11-01 16:29:11,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-01 16:29:11,447 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 4.769230769230769) internal successors, (62), 15 states have internal predecessors, (62), 8 states have call successors, (40), 1 states have call predecessors, (40), 2 states have return successors, (40), 6 states have call predecessors, (40), 8 states have call successors, (40) Word has length 128 [2024-11-01 16:29:11,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 16:29:11,449 INFO L225 Difference]: With dead ends: 78 [2024-11-01 16:29:11,449 INFO L226 Difference]: Without dead ends: 76 [2024-11-01 16:29:11,450 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 241 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=67, Invalid=275, Unknown=0, NotChecked=0, Total=342 [2024-11-01 16:29:11,451 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 13 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 309 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-01 16:29:11,452 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 181 Invalid, 323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 309 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-01 16:29:11,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2024-11-01 16:29:11,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2024-11-01 16:29:11,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 44 states have (on average 1.0227272727272727) internal successors, (45), 44 states have internal predecessors, (45), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-01 16:29:11,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 105 transitions. [2024-11-01 16:29:11,470 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 105 transitions. Word has length 128 [2024-11-01 16:29:11,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 16:29:11,471 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 105 transitions. [2024-11-01 16:29:11,471 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 4.769230769230769) internal successors, (62), 15 states have internal predecessors, (62), 8 states have call successors, (40), 1 states have call predecessors, (40), 2 states have return successors, (40), 6 states have call predecessors, (40), 8 states have call successors, (40) [2024-11-01 16:29:11,472 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 105 transitions. [2024-11-01 16:29:11,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-11-01 16:29:11,477 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 16:29:11,477 INFO L215 NwaCegarLoop]: trace histogram [30, 30, 30, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1] [2024-11-01 16:29:11,521 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 [2024-11-01 16:29:11,678 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 [2024-11-01 16:29:11,678 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 16:29:11,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 16:29:11,679 INFO L85 PathProgramCache]: Analyzing trace with hash -2139398281, now seen corresponding path program 2 times [2024-11-01 16:29:11,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 16:29:11,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1754494846] [2024-11-01 16:29:11,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 16:29:11,680 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 [2024-11-01 16:29:11,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-01 16:29:11,684 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) [2024-11-01 16:29:11,685 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 [2024-11-01 16:29:32,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 16:29:32,525 INFO L255 TraceCheckSpWp]: Trace formula consists of 3271 conjuncts, 154 conjuncts are in the unsatisfiable core [2024-11-01 16:29:32,565 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 16:29:38,668 INFO L134 CoverageAnalysis]: Checked inductivity of 1807 backedges. 234 proven. 208 refuted. 0 times theorem prover too weak. 1365 trivial. 0 not checked. [2024-11-01 16:29:38,668 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 16:29:45,931 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse8 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|))) (let ((.cse22 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_344~0#1|)) (.cse16 (= ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_368~0#1|) ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_428~0#1|))) (.cse1 (= |c_ULTIMATE.start_main_~input_11~0#1| (_ bv0 8))) (.cse4 (= (_ bv0 8) |c_ULTIMATE.start_main_~state_422~0#1|)) (.cse5 (forall ((|v_ULTIMATE.start_main_~var_448_arg_1~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_451_arg_0~0#1_17| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse8 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_451_arg_0~0#1_17|) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_448_arg_1~0#1_16|)))))))))))))) (.cse6 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_96~0#1|)) (.cse11 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_82~0#1|))))) (.cse7 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_348~0#1|))) (let ((.cse0 (= (_ bv0 32) .cse7)) (.cse3 (forall ((|ULTIMATE.start_main_~var_305~0#1| (_ BitVec 8))) (= (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse8 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |ULTIMATE.start_main_~var_305~0#1|)))) (_ bv0 32)))) .cse11))))))))) (.cse17 (forall ((|ULTIMATE.start_main_~var_305~0#1| (_ BitVec 8))) (= (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse8 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse11 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |ULTIMATE.start_main_~var_305~0#1|)))) (_ bv1 32))))))))))))) (.cse20 (or .cse4 .cse5 (forall ((|v_ULTIMATE.start_main_~var_359_arg_1~0#1_16| (_ BitVec 8))) (= (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse6 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_359_arg_1~0#1_16|)))))))))) (.cse21 (forall ((|v_ULTIMATE.start_main_~var_359_arg_1~0#1_16| (_ BitVec 8))) (not (= (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse6 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_359_arg_1~0#1_16|)))))))))) (.cse14 (not .cse1)) (.cse15 (not .cse16)) (.cse9 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse22))))) (and (or .cse0 (let ((.cse12 (and (or .cse4 .cse5) (or (forall ((|v_ULTIMATE.start_main_~var_366_arg_1~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_347_arg_1~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_451_arg_0~0#1_17| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv255 32) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_347_arg_1~0#1_16|) .cse22))) (_ bv1 32)))))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_366_arg_1~0#1_16|))))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_451_arg_0~0#1_17|)))) .cse8)))) (not .cse4))))) (let ((.cse2 (and .cse20 (or .cse21 .cse12)))) (and (or (and (or .cse1 .cse2 .cse3) (or (and (or .cse4 .cse5 (forall ((|v_ULTIMATE.start_main_~var_353_arg_0~0#1_15| (_ BitVec 8)) (|ULTIMATE.start_main_~var_305~0#1| (_ BitVec 8))) (let ((.cse10 ((_ zero_extend 24) |ULTIMATE.start_main_~var_305~0#1|))) (or (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse6 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse7 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse8 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse9 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_353_arg_0~0#1_15|)))))))))) (bvneg ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse8 .cse10)))))))))))) (_ bv0 32)) (= (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse8 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse10))) (_ bv0 32)))) .cse11))))))))))) (or .cse12 (forall ((|v_ULTIMATE.start_main_~var_353_arg_0~0#1_15| (_ BitVec 8)) (|ULTIMATE.start_main_~var_305~0#1| (_ BitVec 8))) (let ((.cse13 ((_ zero_extend 24) |ULTIMATE.start_main_~var_305~0#1|))) (or (not (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse6 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse7 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse8 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse9 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_353_arg_0~0#1_15|)))))))))) (bvneg ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse8 .cse13)))))))))))) (_ bv0 32))) (= (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse8 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse13))) (_ bv0 32)))) .cse11)))))))))))) .cse14)) .cse15) (or .cse16 (and (or .cse1 .cse2 .cse17) (or (and (or .cse12 (forall ((|v_ULTIMATE.start_main_~var_353_arg_0~0#1_15| (_ BitVec 8)) (|ULTIMATE.start_main_~var_305~0#1| (_ BitVec 8))) (let ((.cse18 ((_ zero_extend 24) |ULTIMATE.start_main_~var_305~0#1|))) (or (not (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse6 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse7 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse8 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse9 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_353_arg_0~0#1_15|)))))))))) (bvneg ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse8 .cse18)))))))))))) (_ bv0 32))) (= (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse8 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse11 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse18))) (_ bv1 32))))))))))))))) (or .cse4 .cse5 (forall ((|v_ULTIMATE.start_main_~var_353_arg_0~0#1_15| (_ BitVec 8)) (|ULTIMATE.start_main_~var_305~0#1| (_ BitVec 8))) (let ((.cse19 ((_ zero_extend 24) |ULTIMATE.start_main_~var_305~0#1|))) (or (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse6 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse7 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse8 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse9 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_353_arg_0~0#1_15|)))))))))) (bvneg ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse8 .cse19)))))))))))) (_ bv0 32)) (= (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse8 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse11 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse19))) (_ bv1 32)))))))))))))))) .cse14))))))) (or (not .cse0) (and (or .cse1 (and (or .cse15 .cse3) (or .cse16 .cse17)) (and .cse20 (or .cse4 .cse21 .cse5))) (or .cse14 (and (or .cse4 (and (or .cse16 (forall ((|v_ULTIMATE.start_main_~var_353_arg_0~0#1_15| (_ BitVec 8)) (|ULTIMATE.start_main_~var_305~0#1| (_ BitVec 8))) (let ((.cse23 ((_ zero_extend 24) |ULTIMATE.start_main_~var_305~0#1|))) (or (= (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse6 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse8 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse9 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_353_arg_0~0#1_15|))))))))) (bvneg ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse8 .cse23))))))))))))) (= (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse8 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse11 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse23))) (_ bv1 32))))))))))))))) (or (forall ((|v_ULTIMATE.start_main_~var_353_arg_0~0#1_15| (_ BitVec 8)) (|ULTIMATE.start_main_~var_305~0#1| (_ BitVec 8))) (let ((.cse24 ((_ zero_extend 24) |ULTIMATE.start_main_~var_305~0#1|))) (or (= (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse6 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse8 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse9 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_353_arg_0~0#1_15|))))))))) (bvneg ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse8 .cse24))))))))))))) (= (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse8 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse24))) (_ bv0 32)))) .cse11)))))))))) .cse15)) .cse5) (or (and (or (forall ((|v_ULTIMATE.start_main_~var_353_arg_0~0#1_15| (_ BitVec 8)) (|ULTIMATE.start_main_~var_305~0#1| (_ BitVec 8))) (let ((.cse25 ((_ zero_extend 24) |ULTIMATE.start_main_~var_305~0#1|))) (or (not (= (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse6 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse8 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse9 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_353_arg_0~0#1_15|))))))))) (bvneg ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse8 .cse25)))))))))))))) (= (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse8 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse25))) (_ bv0 32)))) .cse11)))))))))) .cse15) (or .cse16 (forall ((|v_ULTIMATE.start_main_~var_353_arg_0~0#1_15| (_ BitVec 8)) (|ULTIMATE.start_main_~var_305~0#1| (_ BitVec 8))) (let ((.cse26 ((_ zero_extend 24) |ULTIMATE.start_main_~var_305~0#1|))) (or (not (= (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse6 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse8 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse9 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_353_arg_0~0#1_15|))))))))) (bvneg ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse8 .cse26)))))))))))))) (= (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse8 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse11 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse26))) (_ bv1 32)))))))))))))))) .cse4 .cse5))))))))) is different from false [2024-11-01 16:30:11,932 WARN L286 SmtUtils]: Spent 11.35s on a formula simplification that was a NOOP. DAG size: 217 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)