/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-4.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-23 20:00:55,507 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-23 20:00:55,583 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-23 20:00:55,587 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-23 20:00:55,588 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-23 20:00:55,612 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-23 20:00:55,612 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-23 20:00:55,612 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-23 20:00:55,613 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-23 20:00:55,616 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-23 20:00:55,616 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-23 20:00:55,617 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-23 20:00:55,617 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-23 20:00:55,618 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-23 20:00:55,618 INFO L153 SettingsManager]: * Use SBE=true [2023-12-23 20:00:55,618 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-23 20:00:55,619 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-23 20:00:55,619 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-23 20:00:55,619 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-23 20:00:55,619 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-23 20:00:55,619 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-23 20:00:55,620 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-23 20:00:55,620 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-23 20:00:55,620 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-23 20:00:55,620 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-23 20:00:55,620 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-23 20:00:55,620 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-23 20:00:55,621 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-23 20:00:55,621 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-23 20:00:55,621 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-23 20:00:55,622 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-23 20:00:55,622 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-23 20:00:55,622 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-23 20:00:55,622 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-23 20:00:55,622 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 20:00:55,622 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-23 20:00:55,622 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-23 20:00:55,622 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-23 20:00:55,623 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-23 20:00:55,623 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-23 20:00:55,623 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-23 20:00:55,623 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-23 20:00:55,623 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-23 20:00:55,623 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-23 20:00:55,624 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-23 20:00:55,624 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-23 20:00:55,624 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-23 20:00:55,822 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-23 20:00:55,842 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-23 20:00:55,844 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-23 20:00:55,845 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-23 20:00:55,846 INFO L274 PluginConnector]: CDTParser initialized [2023-12-23 20:00:55,847 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-4.i [2023-12-23 20:00:56,909 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-23 20:00:57,043 INFO L384 CDTParser]: Found 1 translation units. [2023-12-23 20:00:57,043 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-4.i [2023-12-23 20:00:57,049 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3647d89a/07e56771f8784a5a9b92cf63919155ba/FLAG2d888c0fb [2023-12-23 20:00:57,061 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3647d89a/07e56771f8784a5a9b92cf63919155ba [2023-12-23 20:00:57,064 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-23 20:00:57,065 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-23 20:00:57,065 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-23 20:00:57,066 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-23 20:00:57,069 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-23 20:00:57,069 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 08:00:57" (1/1) ... [2023-12-23 20:00:57,070 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2851b65f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:00:57, skipping insertion in model container [2023-12-23 20:00:57,070 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 08:00:57" (1/1) ... [2023-12-23 20:00:57,093 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-23 20:00:57,219 WARN L239 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_floatingpointinfluence_no-floats_file-4.i[915,928] [2023-12-23 20:00:57,254 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 20:00:57,269 INFO L202 MainTranslator]: Completed pre-run [2023-12-23 20:00:57,286 WARN L239 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_floatingpointinfluence_no-floats_file-4.i[915,928] [2023-12-23 20:00:57,299 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 20:00:57,312 INFO L206 MainTranslator]: Completed translation [2023-12-23 20:00:57,312 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:00:57 WrapperNode [2023-12-23 20:00:57,313 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-23 20:00:57,316 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-23 20:00:57,316 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-23 20:00:57,316 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-23 20:00:57,321 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:00:57" (1/1) ... [2023-12-23 20:00:57,328 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:00:57" (1/1) ... [2023-12-23 20:00:57,344 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 108 [2023-12-23 20:00:57,344 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-23 20:00:57,345 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-23 20:00:57,345 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-23 20:00:57,345 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-23 20:00:57,352 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:00:57" (1/1) ... [2023-12-23 20:00:57,352 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:00:57" (1/1) ... [2023-12-23 20:00:57,355 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:00:57" (1/1) ... [2023-12-23 20:00:57,364 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-12-23 20:00:57,364 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:00:57" (1/1) ... [2023-12-23 20:00:57,364 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:00:57" (1/1) ... [2023-12-23 20:00:57,369 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:00:57" (1/1) ... [2023-12-23 20:00:57,371 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:00:57" (1/1) ... [2023-12-23 20:00:57,373 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:00:57" (1/1) ... [2023-12-23 20:00:57,374 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:00:57" (1/1) ... [2023-12-23 20:00:57,376 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-23 20:00:57,376 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-23 20:00:57,377 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-23 20:00:57,377 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-23 20:00:57,377 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:00:57" (1/1) ... [2023-12-23 20:00:57,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 20:00:57,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-23 20:00:57,437 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-23 20:00:57,454 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-23 20:00:57,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-23 20:00:57,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-23 20:00:57,459 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-23 20:00:57,460 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-23 20:00:57,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-23 20:00:57,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-23 20:00:57,539 INFO L241 CfgBuilder]: Building ICFG [2023-12-23 20:00:57,542 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-23 20:01:10,380 INFO L282 CfgBuilder]: Performing block encoding [2023-12-23 20:01:10,433 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-23 20:01:10,433 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-23 20:01:10,433 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 08:01:10 BoogieIcfgContainer [2023-12-23 20:01:10,434 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-23 20:01:10,435 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-23 20:01:10,435 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-23 20:01:10,438 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-23 20:01:10,438 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 08:00:57" (1/3) ... [2023-12-23 20:01:10,438 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f83f103 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 08:01:10, skipping insertion in model container [2023-12-23 20:01:10,439 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:00:57" (2/3) ... [2023-12-23 20:01:10,439 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f83f103 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 08:01:10, skipping insertion in model container [2023-12-23 20:01:10,439 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 08:01:10" (3/3) ... [2023-12-23 20:01:10,440 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-4.i [2023-12-23 20:01:10,454 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-23 20:01:10,454 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-23 20:01:10,485 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-23 20:01:10,494 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@249ed78b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-23 20:01:10,495 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-23 20:01:10,497 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 23 states have (on average 1.391304347826087) internal successors, (32), 24 states have internal predecessors, (32), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-12-23 20:01:10,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-23 20:01:10,510 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 20:01:10,510 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-23 20:01:10,511 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 20:01:10,514 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 20:01:10,514 INFO L85 PathProgramCache]: Analyzing trace with hash -420194955, now seen corresponding path program 1 times [2023-12-23 20:01:10,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 20:01:10,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1298967553] [2023-12-23 20:01:10,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 20:01:10,524 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-23 20:01:10,524 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 20:01:10,526 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-23 20:01:10,539 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-23 20:01:10,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 20:01:10,989 INFO L262 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-23 20:01:10,995 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 20:01:11,112 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 164 proven. 0 refuted. 0 times theorem prover too weak. 520 trivial. 0 not checked. [2023-12-23 20:01:11,113 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 20:01:11,113 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 20:01:11,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1298967553] [2023-12-23 20:01:11,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1298967553] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 20:01:11,114 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 20:01:11,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-23 20:01:11,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665831261] [2023-12-23 20:01:11,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 20:01:11,119 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-23 20:01:11,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 20:01:11,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-23 20:01:11,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-23 20:01:11,151 INFO L87 Difference]: Start difference. First operand has 45 states, 23 states have (on average 1.391304347826087) internal successors, (32), 24 states have internal predecessors, (32), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-23 20:01:15,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.41s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 20:01:15,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 20:01:15,602 INFO L93 Difference]: Finished difference Result 87 states and 157 transitions. [2023-12-23 20:01:15,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-23 20:01:15,781 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 112 [2023-12-23 20:01:15,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 20:01:15,786 INFO L225 Difference]: With dead ends: 87 [2023-12-23 20:01:15,786 INFO L226 Difference]: Without dead ends: 43 [2023-12-23 20:01:15,790 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-23 20:01:15,794 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2023-12-23 20:01:15,796 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 62 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2023-12-23 20:01:15,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2023-12-23 20:01:15,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2023-12-23 20:01:15,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 22 states have internal predecessors, (27), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-12-23 20:01:15,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 65 transitions. [2023-12-23 20:01:15,858 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 65 transitions. Word has length 112 [2023-12-23 20:01:15,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 20:01:15,859 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 65 transitions. [2023-12-23 20:01:15,859 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-23 20:01:15,860 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 65 transitions. [2023-12-23 20:01:15,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-23 20:01:15,863 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 20:01:15,863 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-23 20:01:15,877 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-12-23 20:01:16,076 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-23 20:01:16,077 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 20:01:16,078 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 20:01:16,078 INFO L85 PathProgramCache]: Analyzing trace with hash -2019897041, now seen corresponding path program 1 times [2023-12-23 20:01:16,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 20:01:16,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1109675739] [2023-12-23 20:01:16,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 20:01:16,079 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-23 20:01:16,080 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 20:01:16,082 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-23 20:01:16,089 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-23 20:01:16,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 20:01:16,578 INFO L262 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-23 20:01:16,584 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 20:01:22,314 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 150 proven. 48 refuted. 0 times theorem prover too weak. 486 trivial. 0 not checked. [2023-12-23 20:01:22,314 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-23 20:01:24,723 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 20:01:24,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1109675739] [2023-12-23 20:01:24,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1109675739] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-23 20:01:24,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1068467591] [2023-12-23 20:01:24,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 20:01:24,725 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-23 20:01:24,725 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2023-12-23 20:01:24,778 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-23 20:01:24,780 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-23 20:01:25,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 20:01:25,418 INFO L262 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-23 20:01:25,421 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 20:01:29,257 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-12-23 20:01:29,257 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 20:01:29,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1068467591] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 20:01:29,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-23 20:01:29,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 8 [2023-12-23 20:01:29,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551107258] [2023-12-23 20:01:29,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 20:01:29,259 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-23 20:01:29,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 20:01:29,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-23 20:01:29,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2023-12-23 20:01:29,260 INFO L87 Difference]: Start difference. First operand 43 states and 65 transitions. Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-23 20:01:36,697 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.41s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-23 20:01:41,609 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.41s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-23 20:01:46,263 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.44s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-23 20:01:50,293 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-23 20:01:54,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-23 20:01:59,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.40s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 20:02:03,636 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.56s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 20:02:08,250 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.61s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 20:02:12,255 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 20:02:16,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-23 20:02:20,279 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 20:02:20,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 20:02:20,281 INFO L93 Difference]: Finished difference Result 128 states and 194 transitions. [2023-12-23 20:02:20,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-23 20:02:20,472 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 112 [2023-12-23 20:02:20,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 20:02:20,473 INFO L225 Difference]: With dead ends: 128 [2023-12-23 20:02:20,474 INFO L226 Difference]: Without dead ends: 86 [2023-12-23 20:02:20,474 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 308 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2023-12-23 20:02:20,475 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 35 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 39 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 49.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 49.9s IncrementalHoareTripleChecker+Time [2023-12-23 20:02:20,475 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 198 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 54 Invalid, 11 Unknown, 0 Unchecked, 49.9s Time] [2023-12-23 20:02:20,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2023-12-23 20:02:20,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 76. [2023-12-23 20:02:20,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 35 states have (on average 1.1428571428571428) internal successors, (40), 35 states have internal predecessors, (40), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2023-12-23 20:02:20,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 116 transitions. [2023-12-23 20:02:20,502 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 116 transitions. Word has length 112 [2023-12-23 20:02:20,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 20:02:20,502 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 116 transitions. [2023-12-23 20:02:20,502 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-23 20:02:20,502 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 116 transitions. [2023-12-23 20:02:20,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-23 20:02:20,504 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 20:02:20,504 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-23 20:02:20,516 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-12-23 20:02:20,730 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-12-23 20:02:20,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-23 20:02:20,919 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 20:02:20,920 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 20:02:20,920 INFO L85 PathProgramCache]: Analyzing trace with hash 500062893, now seen corresponding path program 1 times [2023-12-23 20:02:20,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 20:02:20,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1398979684] [2023-12-23 20:02:20,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 20:02:20,920 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-23 20:02:20,921 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 20:02:20,923 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-23 20:02:20,924 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-12-23 20:02:21,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 20:02:21,388 INFO L262 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-23 20:02:21,392 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 20:02:35,515 WARN L293 SmtUtils]: Spent 8.95s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 20:02:44,424 WARN L293 SmtUtils]: Spent 8.91s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 20:02:53,343 WARN L293 SmtUtils]: Spent 8.92s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 20:03:02,271 WARN L293 SmtUtils]: Spent 8.93s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 20:03:11,295 WARN L293 SmtUtils]: Spent 9.02s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 20:03:20,243 WARN L293 SmtUtils]: Spent 8.95s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 20:03:29,160 WARN L293 SmtUtils]: Spent 8.92s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 20:03:38,027 WARN L293 SmtUtils]: Spent 8.87s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 20:03:46,899 WARN L293 SmtUtils]: Spent 8.87s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 20:03:55,749 WARN L293 SmtUtils]: Spent 8.85s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 20:04:04,624 WARN L293 SmtUtils]: Spent 8.87s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 20:04:13,480 WARN L293 SmtUtils]: Spent 8.85s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 20:04:21,844 WARN L293 SmtUtils]: Spent 8.36s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 20:04:30,186 WARN L293 SmtUtils]: Spent 8.34s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 20:04:39,000 WARN L293 SmtUtils]: Spent 8.81s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 20:04:43,255 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse6 ((_ sign_extend 16) c_~var_1_3~0)) (.cse2 ((_ zero_extend 24) c_~var_1_10~0))) (and (= c_~last_1_var_1_18~0 (_ bv0 8)) (let ((.cse0 ((_ zero_extend 24) c_~var_1_11~0))) (let ((.cse1 (bvsgt .cse2 .cse0))) (or (and (= ((_ extract 7 0) .cse0) c_~var_1_8~0) (not .cse1)) (and (= ((_ extract 7 0) .cse2) c_~var_1_8~0) .cse1)))) (let ((.cse3 (bvslt c_~var_1_15~0 c_~var_1_16~0)) (.cse4 (fp.neg (fp.div c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_13~0) ((_ to_fp 8 24) c_currentRoundingMode (/ 3.0 5.0))))) (.cse5 (fp.add c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_14~0) ((_ to_fp 8 24) c_currentRoundingMode (/ 13.0 4.0))))) (or (and (not .cse3) (fp.gt .cse4 (fp.div c_currentRoundingMode .cse5 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_16~0)))) (and .cse3 (fp.gt .cse4 (fp.div c_currentRoundingMode .cse5 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_15~0)))))) (not (= (bvadd (bvudiv c_~last_1_var_1_12~0 .cse6) (_ bv64 32)) (_ bv0 32))) (not (= .cse6 (_ bv0 32))) (let ((.cse8 ((_ zero_extend 24) c_~var_1_8~0))) (let ((.cse7 (bvslt .cse2 .cse8))) (or (and .cse7 (= (bvadd (_ bv500 32) .cse2) c_~var_1_12~0)) (and (not .cse7) (= c_~var_1_12~0 (bvadd (_ bv500 32) .cse8)))))))) is different from false [2023-12-23 20:04:47,498 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse6 ((_ sign_extend 16) c_~var_1_3~0)) (.cse2 ((_ zero_extend 24) c_~var_1_10~0))) (and (= c_~last_1_var_1_18~0 (_ bv0 8)) (let ((.cse0 ((_ zero_extend 24) c_~var_1_11~0))) (let ((.cse1 (bvsgt .cse2 .cse0))) (or (and (= ((_ extract 7 0) .cse0) c_~var_1_8~0) (not .cse1)) (and (= ((_ extract 7 0) .cse2) c_~var_1_8~0) .cse1)))) (let ((.cse3 (bvslt c_~var_1_15~0 c_~var_1_16~0)) (.cse4 (fp.neg (fp.div c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_13~0) ((_ to_fp 8 24) c_currentRoundingMode (/ 3.0 5.0))))) (.cse5 (fp.add c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_14~0) ((_ to_fp 8 24) c_currentRoundingMode (/ 13.0 4.0))))) (or (and (not .cse3) (fp.gt .cse4 (fp.div c_currentRoundingMode .cse5 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_16~0)))) (and .cse3 (fp.gt .cse4 (fp.div c_currentRoundingMode .cse5 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_15~0)))))) (not (= (bvadd (bvudiv c_~last_1_var_1_12~0 .cse6) (_ bv64 32)) (_ bv0 32))) (not (= .cse6 (_ bv0 32))) (let ((.cse8 ((_ zero_extend 24) c_~var_1_8~0))) (let ((.cse7 (bvslt .cse2 .cse8))) (or (and .cse7 (= (bvadd (_ bv500 32) .cse2) c_~var_1_12~0)) (and (not .cse7) (= c_~var_1_12~0 (bvadd (_ bv500 32) .cse8)))))))) is different from true [2023-12-23 20:04:56,355 WARN L293 SmtUtils]: Spent 8.84s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 20:05:05,194 WARN L293 SmtUtils]: Spent 8.84s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 20:05:14,038 WARN L293 SmtUtils]: Spent 8.84s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 20:05:22,885 WARN L293 SmtUtils]: Spent 8.85s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 20:05:31,768 WARN L293 SmtUtils]: Spent 8.88s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 20:05:40,680 WARN L293 SmtUtils]: Spent 8.91s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 20:05:49,605 WARN L293 SmtUtils]: Spent 8.93s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 20:05:58,574 WARN L293 SmtUtils]: Spent 8.97s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 20:06:07,566 WARN L293 SmtUtils]: Spent 8.99s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 20:06:16,545 WARN L293 SmtUtils]: Spent 8.98s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 20:06:26,501 WARN L293 SmtUtils]: Spent 8.95s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 20:06:31,522 WARN L293 SmtUtils]: Spent 5.02s on a formula simplification. DAG size of input: 6 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 20:06:40,503 WARN L293 SmtUtils]: Spent 8.98s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 20:06:48,943 WARN L293 SmtUtils]: Spent 8.44s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 20:06:57,360 WARN L293 SmtUtils]: Spent 8.42s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 20:07:06,521 WARN L293 SmtUtils]: Spent 9.16s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 20:07:10,808 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse6 ((_ sign_extend 16) c_~var_1_3~0)) (.cse2 ((_ zero_extend 24) c_~var_1_10~0))) (and (= c_~var_1_18~0 c_~var_1_11~0) (= c_~last_1_var_1_18~0 (_ bv0 8)) (let ((.cse0 ((_ zero_extend 24) c_~var_1_11~0))) (let ((.cse1 (bvsgt .cse2 .cse0))) (or (and (= ((_ extract 7 0) .cse0) c_~var_1_8~0) (not .cse1)) (and (= ((_ extract 7 0) .cse2) c_~var_1_8~0) .cse1)))) (let ((.cse3 (bvslt c_~var_1_15~0 c_~var_1_16~0)) (.cse4 (fp.neg (fp.div c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_13~0) ((_ to_fp 8 24) c_currentRoundingMode (/ 3.0 5.0))))) (.cse5 (fp.add c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_14~0) ((_ to_fp 8 24) c_currentRoundingMode (/ 13.0 4.0))))) (or (and (not .cse3) (fp.gt .cse4 (fp.div c_currentRoundingMode .cse5 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_16~0)))) (and .cse3 (fp.gt .cse4 (fp.div c_currentRoundingMode .cse5 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_15~0)))))) (= ((_ zero_extend 8) c_~var_1_18~0) c_~var_1_7~0) (not (= (bvadd (bvudiv c_~last_1_var_1_12~0 .cse6) (_ bv64 32)) (_ bv0 32))) (= (bvsdiv ((_ zero_extend 16) c_~var_1_7~0) .cse6) |c_ULTIMATE.start_step_~stepLocal_0~0#1|) (not (= .cse6 (_ bv0 32))) (= (bvadd (_ bv500 32) .cse2) c_~var_1_12~0))) is different from false [2023-12-23 20:07:15,086 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse6 ((_ sign_extend 16) c_~var_1_3~0)) (.cse2 ((_ zero_extend 24) c_~var_1_10~0))) (and (= c_~var_1_18~0 c_~var_1_11~0) (= c_~last_1_var_1_18~0 (_ bv0 8)) (let ((.cse0 ((_ zero_extend 24) c_~var_1_11~0))) (let ((.cse1 (bvsgt .cse2 .cse0))) (or (and (= ((_ extract 7 0) .cse0) c_~var_1_8~0) (not .cse1)) (and (= ((_ extract 7 0) .cse2) c_~var_1_8~0) .cse1)))) (let ((.cse3 (bvslt c_~var_1_15~0 c_~var_1_16~0)) (.cse4 (fp.neg (fp.div c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_13~0) ((_ to_fp 8 24) c_currentRoundingMode (/ 3.0 5.0))))) (.cse5 (fp.add c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_14~0) ((_ to_fp 8 24) c_currentRoundingMode (/ 13.0 4.0))))) (or (and (not .cse3) (fp.gt .cse4 (fp.div c_currentRoundingMode .cse5 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_16~0)))) (and .cse3 (fp.gt .cse4 (fp.div c_currentRoundingMode .cse5 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_15~0)))))) (= ((_ zero_extend 8) c_~var_1_18~0) c_~var_1_7~0) (not (= (bvadd (bvudiv c_~last_1_var_1_12~0 .cse6) (_ bv64 32)) (_ bv0 32))) (= (bvsdiv ((_ zero_extend 16) c_~var_1_7~0) .cse6) |c_ULTIMATE.start_step_~stepLocal_0~0#1|) (not (= .cse6 (_ bv0 32))) (= (bvadd (_ bv500 32) .cse2) c_~var_1_12~0))) is different from true [2023-12-23 20:07:24,049 WARN L293 SmtUtils]: Spent 8.95s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 20:07:33,001 WARN L293 SmtUtils]: Spent 8.95s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 20:07:41,934 WARN L293 SmtUtils]: Spent 8.93s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 20:07:50,832 WARN L293 SmtUtils]: Spent 8.90s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 20:07:59,738 WARN L293 SmtUtils]: Spent 8.91s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 20:08:08,652 WARN L293 SmtUtils]: Spent 8.91s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 20:08:17,535 WARN L293 SmtUtils]: Spent 8.88s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 20:08:26,433 WARN L293 SmtUtils]: Spent 8.90s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 20:08:35,313 WARN L293 SmtUtils]: Spent 8.86s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 20:08:45,089 WARN L293 SmtUtils]: Spent 8.89s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 20:08:53,993 WARN L293 SmtUtils]: Spent 8.90s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 20:09:02,358 WARN L293 SmtUtils]: Spent 8.36s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 20:09:10,744 WARN L293 SmtUtils]: Spent 8.39s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 20:09:19,663 WARN L293 SmtUtils]: Spent 8.92s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 20:09:23,918 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse7 ((_ sign_extend 16) c_~var_1_3~0)) (.cse2 ((_ zero_extend 24) c_~var_1_10~0))) (and (= c_~var_1_18~0 c_~var_1_11~0) (= c_~last_1_var_1_18~0 (_ bv0 8)) (let ((.cse0 ((_ zero_extend 24) c_~var_1_11~0))) (let ((.cse1 (bvsgt .cse2 .cse0))) (or (and (= ((_ extract 7 0) .cse0) c_~var_1_8~0) (not .cse1)) (and (= ((_ extract 7 0) .cse2) c_~var_1_8~0) .cse1)))) (let ((.cse3 (bvslt c_~var_1_15~0 c_~var_1_16~0)) (.cse4 (fp.neg (fp.div c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_13~0) ((_ to_fp 8 24) c_currentRoundingMode (/ 3.0 5.0))))) (.cse5 (fp.add c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_14~0) ((_ to_fp 8 24) c_currentRoundingMode (/ 13.0 4.0))))) (or (and (not .cse3) (fp.gt .cse4 (fp.div c_currentRoundingMode .cse5 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_16~0)))) (and .cse3 (fp.gt .cse4 (fp.div c_currentRoundingMode .cse5 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_15~0)))))) (= ((_ zero_extend 8) c_~var_1_18~0) c_~var_1_7~0) (not (let ((.cse6 ((_ zero_extend 16) c_~var_1_7~0))) (bvsge (bvsdiv .cse6 .cse7) .cse6))) (not (= .cse7 (_ bv0 32))) (= (bvadd (_ bv500 32) .cse2) c_~var_1_12~0))) is different from false [2023-12-23 20:09:28,182 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse7 ((_ sign_extend 16) c_~var_1_3~0)) (.cse2 ((_ zero_extend 24) c_~var_1_10~0))) (and (= c_~var_1_18~0 c_~var_1_11~0) (= c_~last_1_var_1_18~0 (_ bv0 8)) (let ((.cse0 ((_ zero_extend 24) c_~var_1_11~0))) (let ((.cse1 (bvsgt .cse2 .cse0))) (or (and (= ((_ extract 7 0) .cse0) c_~var_1_8~0) (not .cse1)) (and (= ((_ extract 7 0) .cse2) c_~var_1_8~0) .cse1)))) (let ((.cse3 (bvslt c_~var_1_15~0 c_~var_1_16~0)) (.cse4 (fp.neg (fp.div c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_13~0) ((_ to_fp 8 24) c_currentRoundingMode (/ 3.0 5.0))))) (.cse5 (fp.add c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_14~0) ((_ to_fp 8 24) c_currentRoundingMode (/ 13.0 4.0))))) (or (and (not .cse3) (fp.gt .cse4 (fp.div c_currentRoundingMode .cse5 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_16~0)))) (and .cse3 (fp.gt .cse4 (fp.div c_currentRoundingMode .cse5 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_15~0)))))) (= ((_ zero_extend 8) c_~var_1_18~0) c_~var_1_7~0) (not (let ((.cse6 ((_ zero_extend 16) c_~var_1_7~0))) (bvsge (bvsdiv .cse6 .cse7) .cse6))) (not (= .cse7 (_ bv0 32))) (= (bvadd (_ bv500 32) .cse2) c_~var_1_12~0))) is different from true Received shutdown request... [2023-12-23 20:15:40,639 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-23 20:15:40,662 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-23 20:15:40,674 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-23 20:15:40,689 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-12-23 20:15:40,887 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-23 20:15:40,887 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 113 with TraceHistMax 19,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-12-2-2-2-3-2-2-2-2-2-2-2-3-2-3-2-3-2-2-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-48-3-3-3-2-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-2-2-2-1 context. [2023-12-23 20:15:40,891 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-12-23 20:15:40,893 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-23 20:15:40,894 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 08:15:40 BoogieIcfgContainer [2023-12-23 20:15:40,894 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-23 20:15:40,895 INFO L158 Benchmark]: Toolchain (without parser) took 883830.28ms. Allocated memory was 234.9MB in the beginning and 1.2GB in the end (delta: 972.0MB). Free memory was 182.8MB in the beginning and 1.1GB in the end (delta: -920.5MB). Peak memory consumption was 723.5MB. Max. memory is 8.0GB. [2023-12-23 20:15:40,895 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 234.9MB. Free memory is still 185.6MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-23 20:15:40,895 INFO L158 Benchmark]: CACSL2BoogieTranslator took 247.26ms. Allocated memory is still 234.9MB. Free memory was 182.5MB in the beginning and 169.2MB in the end (delta: 13.3MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2023-12-23 20:15:40,895 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.50ms. Allocated memory is still 234.9MB. Free memory was 169.2MB in the beginning and 167.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-23 20:15:40,895 INFO L158 Benchmark]: Boogie Preprocessor took 31.13ms. Allocated memory is still 234.9MB. Free memory was 167.1MB in the beginning and 164.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-23 20:15:40,896 INFO L158 Benchmark]: RCFGBuilder took 13057.16ms. Allocated memory is still 234.9MB. Free memory was 164.6MB in the beginning and 144.0MB in the end (delta: 20.6MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2023-12-23 20:15:40,896 INFO L158 Benchmark]: TraceAbstraction took 870459.19ms. Allocated memory was 234.9MB in the beginning and 1.2GB in the end (delta: 972.0MB). Free memory was 143.3MB in the beginning and 1.1GB in the end (delta: -960.0MB). Peak memory consumption was 683.6MB. Max. memory is 8.0GB. [2023-12-23 20:15:40,897 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 234.9MB. Free memory is still 185.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 247.26ms. Allocated memory is still 234.9MB. Free memory was 182.5MB in the beginning and 169.2MB in the end (delta: 13.3MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 28.50ms. Allocated memory is still 234.9MB. Free memory was 169.2MB in the beginning and 167.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 31.13ms. Allocated memory is still 234.9MB. Free memory was 167.1MB in the beginning and 164.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 13057.16ms. Allocated memory is still 234.9MB. Free memory was 164.6MB in the beginning and 144.0MB in the end (delta: 20.6MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * TraceAbstraction took 870459.19ms. Allocated memory was 234.9MB in the beginning and 1.2GB in the end (delta: 972.0MB). Free memory was 143.3MB in the beginning and 1.1GB in the end (delta: -960.0MB). Peak memory consumption was 683.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 19]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 19). Cancelled while NwaCegarLoop was analyzing trace of length 113 with TraceHistMax 19,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-12-2-2-2-3-2-2-2-2-2-2-2-3-2-3-2-3-2-2-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-48-3-3-3-2-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-2-2-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 870.4s, OverallIterations: 3, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 55.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 12 mSolverCounterUnknown, 35 SdHoareTripleChecker+Valid, 54.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 35 mSDsluCounter, 260 SdHoareTripleChecker+Invalid, 53.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 138 mSDsCounter, 39 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 56 IncrementalHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 39 mSolverCounterUnsat, 122 mSDtfsCounter, 56 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 432 GetRequests, 419 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 3.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=76occurred in iteration=2, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 10 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 12.2s InterpolantComputationTime, 336 NumberOfCodeBlocks, 336 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 333 ConstructedInterpolants, 2 QuantifiedInterpolants, 2058 SizeOfPredicates, 13 NumberOfNonLiveVariables, 561 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 2004/2052 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown