/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_fillercode_fillercodesize_ps-cn-50_file-18.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-23 05:51:44,434 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-23 05:51:44,518 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 05:51:44,524 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-23 05:51:44,524 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-23 05:51:44,552 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-23 05:51:44,553 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-23 05:51:44,553 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-23 05:51:44,553 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-23 05:51:44,556 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-23 05:51:44,556 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-23 05:51:44,557 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-23 05:51:44,557 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-23 05:51:44,558 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-23 05:51:44,558 INFO L153 SettingsManager]: * Use SBE=true [2023-12-23 05:51:44,559 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-23 05:51:44,559 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-23 05:51:44,559 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-23 05:51:44,559 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-23 05:51:44,559 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-23 05:51:44,559 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-23 05:51:44,560 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-23 05:51:44,560 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-23 05:51:44,560 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-23 05:51:44,560 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-23 05:51:44,560 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-23 05:51:44,561 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-23 05:51:44,561 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-23 05:51:44,561 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-23 05:51:44,561 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-23 05:51:44,562 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-23 05:51:44,562 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-23 05:51:44,562 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-23 05:51:44,562 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-23 05:51:44,562 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 05:51:44,563 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-23 05:51:44,563 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-23 05:51:44,563 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-23 05:51:44,563 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-23 05:51:44,563 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-23 05:51:44,563 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-23 05:51:44,563 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-23 05:51:44,563 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-23 05:51:44,564 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-23 05:51:44,564 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-23 05:51:44,564 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-23 05:51:44,564 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-23 05:51:44,748 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-23 05:51:44,777 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-23 05:51:44,778 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-23 05:51:44,779 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-23 05:51:44,780 INFO L274 PluginConnector]: CDTParser initialized [2023-12-23 05:51:44,781 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-18.i [2023-12-23 05:51:45,887 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-23 05:51:46,064 INFO L384 CDTParser]: Found 1 translation units. [2023-12-23 05:51:46,066 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-18.i [2023-12-23 05:51:46,072 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/abc42034c/6ec06eba693d4b1980b8c8f7a6dfeae1/FLAGc203a2c8c [2023-12-23 05:51:46,081 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/abc42034c/6ec06eba693d4b1980b8c8f7a6dfeae1 [2023-12-23 05:51:46,083 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-23 05:51:46,084 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-23 05:51:46,084 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-23 05:51:46,084 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-23 05:51:46,088 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-23 05:51:46,088 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 05:51:46" (1/1) ... [2023-12-23 05:51:46,089 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@481b49f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:51:46, skipping insertion in model container [2023-12-23 05:51:46,089 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 05:51:46" (1/1) ... [2023-12-23 05:51:46,113 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-23 05:51:46,245 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_fillercode_fillercodesize_ps-cn-50_file-18.i[915,928] [2023-12-23 05:51:46,311 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 05:51:46,327 INFO L202 MainTranslator]: Completed pre-run [2023-12-23 05:51:46,336 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_fillercode_fillercodesize_ps-cn-50_file-18.i[915,928] [2023-12-23 05:51:46,375 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 05:51:46,387 INFO L206 MainTranslator]: Completed translation [2023-12-23 05:51:46,387 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:51:46 WrapperNode [2023-12-23 05:51:46,387 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-23 05:51:46,388 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-23 05:51:46,388 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-23 05:51:46,388 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-23 05:51:46,397 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:51:46" (1/1) ... [2023-12-23 05:51:46,407 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:51:46" (1/1) ... [2023-12-23 05:51:46,430 INFO L138 Inliner]: procedures = 27, calls = 50, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 228 [2023-12-23 05:51:46,430 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-23 05:51:46,431 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-23 05:51:46,431 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-23 05:51:46,431 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-23 05:51:46,438 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:51:46" (1/1) ... [2023-12-23 05:51:46,438 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:51:46" (1/1) ... [2023-12-23 05:51:46,450 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:51:46" (1/1) ... [2023-12-23 05:51:46,460 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 05:51:46,460 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:51:46" (1/1) ... [2023-12-23 05:51:46,460 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:51:46" (1/1) ... [2023-12-23 05:51:46,468 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:51:46" (1/1) ... [2023-12-23 05:51:46,470 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:51:46" (1/1) ... [2023-12-23 05:51:46,472 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:51:46" (1/1) ... [2023-12-23 05:51:46,474 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:51:46" (1/1) ... [2023-12-23 05:51:46,477 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-23 05:51:46,478 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-23 05:51:46,478 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-23 05:51:46,478 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-23 05:51:46,479 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:51:46" (1/1) ... [2023-12-23 05:51:46,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 05:51:46,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-23 05:51:46,510 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 05:51:46,512 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 05:51:46,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-23 05:51:46,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-23 05:51:46,529 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-23 05:51:46,530 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-23 05:51:46,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-23 05:51:46,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-23 05:51:46,625 INFO L241 CfgBuilder]: Building ICFG [2023-12-23 05:51:46,627 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-23 05:52:10,473 INFO L282 CfgBuilder]: Performing block encoding [2023-12-23 05:52:10,503 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-23 05:52:10,503 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-23 05:52:10,503 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 05:52:10 BoogieIcfgContainer [2023-12-23 05:52:10,503 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-23 05:52:10,505 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-23 05:52:10,505 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-23 05:52:10,508 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-23 05:52:10,508 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 05:51:46" (1/3) ... [2023-12-23 05:52:10,508 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20f245a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 05:52:10, skipping insertion in model container [2023-12-23 05:52:10,509 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:51:46" (2/3) ... [2023-12-23 05:52:10,509 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20f245a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 05:52:10, skipping insertion in model container [2023-12-23 05:52:10,509 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 05:52:10" (3/3) ... [2023-12-23 05:52:10,510 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-50_file-18.i [2023-12-23 05:52:10,524 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-23 05:52:10,524 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-23 05:52:10,560 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-23 05:52:10,565 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;@5e39f91f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-23 05:52:10,565 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-23 05:52:10,572 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 56 states have (on average 1.4642857142857142) internal successors, (82), 57 states have internal predecessors, (82), 37 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2023-12-23 05:52:10,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2023-12-23 05:52:10,589 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 05:52:10,590 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 37, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:52:10,591 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 05:52:10,595 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 05:52:10,595 INFO L85 PathProgramCache]: Analyzing trace with hash -950915310, now seen corresponding path program 1 times [2023-12-23 05:52:10,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 05:52:10,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1295304227] [2023-12-23 05:52:10,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 05:52:10,605 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 05:52:10,605 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 05:52:10,608 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 05:52:10,609 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 05:52:12,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 05:52:12,103 INFO L262 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-23 05:52:12,111 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 05:52:12,162 INFO L134 CoverageAnalysis]: Checked inductivity of 2664 backedges. 1172 proven. 0 refuted. 0 times theorem prover too weak. 1492 trivial. 0 not checked. [2023-12-23 05:52:12,163 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 05:52:12,173 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 05:52:12,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1295304227] [2023-12-23 05:52:12,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1295304227] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 05:52:12,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 05:52:12,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-23 05:52:12,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366092380] [2023-12-23 05:52:12,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 05:52:12,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-23 05:52:12,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 05:52:12,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-23 05:52:12,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-23 05:52:12,207 INFO L87 Difference]: Start difference. First operand has 96 states, 56 states have (on average 1.4642857142857142) internal successors, (82), 57 states have internal predecessors, (82), 37 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) Second operand has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2023-12-23 05:52:17,245 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.94s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 05:52:17,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 05:52:17,246 INFO L93 Difference]: Finished difference Result 189 states and 347 transitions. [2023-12-23 05:52:17,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-23 05:52:17,622 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 228 [2023-12-23 05:52:17,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 05:52:17,629 INFO L225 Difference]: With dead ends: 189 [2023-12-23 05:52:17,629 INFO L226 Difference]: Without dead ends: 94 [2023-12-23 05:52:17,631 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 227 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 05:52:17,651 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2023-12-23 05:52:17,652 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 148 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2023-12-23 05:52:17,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2023-12-23 05:52:17,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2023-12-23 05:52:17,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 55 states have (on average 1.4) internal successors, (77), 55 states have internal predecessors, (77), 37 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2023-12-23 05:52:17,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 151 transitions. [2023-12-23 05:52:17,710 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 151 transitions. Word has length 228 [2023-12-23 05:52:17,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 05:52:17,710 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 151 transitions. [2023-12-23 05:52:17,711 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2023-12-23 05:52:17,711 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 151 transitions. [2023-12-23 05:52:17,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2023-12-23 05:52:17,719 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 05:52:17,719 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 37, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:52:17,753 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-12-23 05:52:17,925 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 05:52:17,927 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 05:52:17,927 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 05:52:17,927 INFO L85 PathProgramCache]: Analyzing trace with hash 1439691864, now seen corresponding path program 1 times [2023-12-23 05:52:17,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 05:52:17,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [447337550] [2023-12-23 05:52:17,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 05:52:17,929 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 05:52:17,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 05:52:17,930 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 05:52:17,935 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 05:52:19,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 05:52:19,315 INFO L262 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-23 05:52:19,337 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 05:52:24,970 INFO L134 CoverageAnalysis]: Checked inductivity of 2664 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2023-12-23 05:52:24,970 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 05:52:24,971 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 05:52:24,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [447337550] [2023-12-23 05:52:24,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [447337550] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 05:52:24,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 05:52:24,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-23 05:52:24,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15708436] [2023-12-23 05:52:24,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 05:52:24,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-23 05:52:24,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 05:52:24,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-23 05:52:24,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-23 05:52:24,978 INFO L87 Difference]: Start difference. First operand 94 states and 151 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 2 states have internal predecessors, (46), 1 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 1 states have call predecessors, (37), 1 states have call successors, (37) [2023-12-23 05:52:30,278 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.98s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 05:52:34,283 WARN L539 Checker$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 05:52:38,294 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 05:52:38,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 05:52:38,729 INFO L93 Difference]: Finished difference Result 279 states and 449 transitions. [2023-12-23 05:52:38,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-23 05:52:38,732 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 2 states have internal predecessors, (46), 1 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 1 states have call predecessors, (37), 1 states have call successors, (37) Word has length 228 [2023-12-23 05:52:38,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 05:52:38,735 INFO L225 Difference]: With dead ends: 279 [2023-12-23 05:52:38,735 INFO L226 Difference]: Without dead ends: 186 [2023-12-23 05:52:38,736 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-23 05:52:38,736 INFO L413 NwaCegarLoop]: 181 mSDtfsCounter, 43 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.7s IncrementalHoareTripleChecker+Time [2023-12-23 05:52:38,737 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 318 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 3 Unknown, 0 Unchecked, 13.7s Time] [2023-12-23 05:52:38,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2023-12-23 05:52:38,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 184. [2023-12-23 05:52:38,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 107 states have (on average 1.3831775700934579) internal successors, (148), 107 states have internal predecessors, (148), 74 states have call successors, (74), 2 states have call predecessors, (74), 2 states have return successors, (74), 74 states have call predecessors, (74), 74 states have call successors, (74) [2023-12-23 05:52:38,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 296 transitions. [2023-12-23 05:52:38,763 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 296 transitions. Word has length 228 [2023-12-23 05:52:38,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 05:52:38,764 INFO L495 AbstractCegarLoop]: Abstraction has 184 states and 296 transitions. [2023-12-23 05:52:38,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 2 states have internal predecessors, (46), 1 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 1 states have call predecessors, (37), 1 states have call successors, (37) [2023-12-23 05:52:38,765 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 296 transitions. [2023-12-23 05:52:38,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2023-12-23 05:52:38,766 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 05:52:38,767 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 37, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:52:38,799 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 05:52:38,980 WARN L477 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 [2023-12-23 05:52:38,980 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 05:52:38,981 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 05:52:38,981 INFO L85 PathProgramCache]: Analyzing trace with hash -1166331690, now seen corresponding path program 1 times [2023-12-23 05:52:38,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 05:52:38,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1010596361] [2023-12-23 05:52:38,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 05:52:38,982 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 05:52:38,983 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 05:52:38,984 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) [2023-12-23 05:52:38,990 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 [2023-12-23 05:52:41,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 05:52:42,049 INFO L262 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 31 conjunts are in the unsatisfiable core [2023-12-23 05:52:42,057 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 05:54:22,363 WARN L293 SmtUtils]: Spent 7.66s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 05:56:17,191 WARN L293 SmtUtils]: Spent 25.05s on a formula simplification that was a NOOP. DAG size: 87 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-23 05:56:26,190 WARN L293 SmtUtils]: Spent 8.96s 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 05:56:35,168 WARN L293 SmtUtils]: Spent 8.98s 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 05:56:44,150 WARN L293 SmtUtils]: Spent 8.98s 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 05:56:53,191 WARN L293 SmtUtils]: Spent 9.04s 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 05:57:02,383 WARN L293 SmtUtils]: Spent 9.19s 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 05:57:11,425 WARN L293 SmtUtils]: Spent 9.04s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 05:57:20,442 WARN L293 SmtUtils]: Spent 9.02s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 05:57:29,495 WARN L293 SmtUtils]: Spent 9.05s 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 05:57:38,520 WARN L293 SmtUtils]: Spent 9.02s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 05:57:47,588 WARN L293 SmtUtils]: Spent 9.07s 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 05:57:56,633 WARN L293 SmtUtils]: Spent 9.04s 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 05:58:05,672 WARN L293 SmtUtils]: Spent 9.04s 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 05:58:14,719 WARN L293 SmtUtils]: Spent 9.05s 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 05:58:23,883 WARN L293 SmtUtils]: Spent 9.16s 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 05:58:32,541 WARN L293 SmtUtils]: Spent 8.66s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 05:58:41,587 WARN L293 SmtUtils]: Spent 9.04s 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 05:58:50,630 WARN L293 SmtUtils]: Spent 9.04s 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 05:58:59,716 WARN L293 SmtUtils]: Spent 9.08s 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 05:59:08,797 WARN L293 SmtUtils]: Spent 9.08s 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 05:59:17,875 WARN L293 SmtUtils]: Spent 9.08s 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 05:59:26,971 WARN L293 SmtUtils]: Spent 9.09s 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 05:59:36,030 WARN L293 SmtUtils]: Spent 9.06s 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 05:59:45,093 WARN L293 SmtUtils]: Spent 9.06s 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 05:59:54,190 WARN L293 SmtUtils]: Spent 9.10s 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 06:00:03,282 WARN L293 SmtUtils]: Spent 9.09s 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 06:00:12,477 WARN L293 SmtUtils]: Spent 9.19s 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 06:00:21,745 WARN L293 SmtUtils]: Spent 9.27s 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 06:00:31,007 WARN L293 SmtUtils]: Spent 9.26s 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 06:00:40,212 WARN L293 SmtUtils]: Spent 9.20s 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 06:00:49,457 WARN L293 SmtUtils]: Spent 9.24s 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 06:00:58,744 WARN L293 SmtUtils]: Spent 9.29s 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 06:01:07,973 WARN L293 SmtUtils]: Spent 9.23s 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 06:01:17,153 WARN L293 SmtUtils]: Spent 9.18s 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 06:01:26,362 WARN L293 SmtUtils]: Spent 9.21s 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 06:01:30,751 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse5 ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0)) (.cse4 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (let ((.cse2 (fp.neg .cse4)) (.cse3 (fp.neg .cse5))) (and (= c_~var_1_10~0 c_~var_1_11~0) (fp.leq ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_5~0) (fp.div c_currentRoundingMode c_~var_1_19~0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_3~0))) (= (bvadd (_ bv8 32) c_~last_1_var_1_16~0) (_ bv0 32)) (let ((.cse1 (fp.add c_currentRoundingMode c_~var_1_14~0 c_~var_1_15~0))) (let ((.cse0 (fp.gt c_~var_1_13~0 .cse1))) (or (and (= c_~var_1_12~0 c_~var_1_13~0) .cse0) (and (not .cse0) (= c_~var_1_12~0 .cse1))))) (= c_~var_1_16~0 ((_ sign_extend 24) c_~var_1_8~0)) (or (and (fp.leq c_~var_1_15~0 .cse2) (fp.geq c_~var_1_15~0 .cse3)) (and (fp.geq c_~var_1_15~0 .cse4) (fp.leq c_~var_1_15~0 .cse5))) (= (bvadd (_ bv1 8) c_~last_1_var_1_1~0) (_ bv0 8)) (not (bvslt ((_ sign_extend 24) c_~var_1_9~0) (_ bv4294967288 32))) (let ((.cse6 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (or (and (fp.geq c_~var_1_13~0 (fp.neg .cse6)) (fp.leq c_~var_1_13~0 .cse2)) (and (fp.geq c_~var_1_13~0 .cse4) (fp.leq c_~var_1_13~0 .cse6)))) (or (and (fp.leq c_~var_1_14~0 .cse5) (fp.geq c_~var_1_14~0 .cse4)) (and (fp.leq c_~var_1_14~0 .cse2) (fp.geq c_~var_1_14~0 .cse3))) (not (= c_~var_1_7~0 (_ bv0 8))) (let ((.cse10 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_14~0)) (.cse12 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_13~0))) (let ((.cse11 (= .cse12 c_~var_1_19~0)) (.cse13 (fp.gt .cse12 .cse10))) (or (and (let ((.cse9 (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 20.0)) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_15~0)))) (let ((.cse7 (fp.gt .cse12 .cse9))) (or (and (not .cse7) (let ((.cse8 (fp.lt .cse9 .cse10))) (or (and .cse8 (= .cse9 c_~var_1_19~0)) (and (not .cse8) (= .cse10 c_~var_1_19~0))))) (and .cse11 .cse7)))) (not .cse13)) (and .cse11 .cse13)))) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from false [2023-12-23 06:01:35,076 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse5 ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0)) (.cse4 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (let ((.cse2 (fp.neg .cse4)) (.cse3 (fp.neg .cse5))) (and (= c_~var_1_10~0 c_~var_1_11~0) (fp.leq ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_5~0) (fp.div c_currentRoundingMode c_~var_1_19~0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_3~0))) (= (bvadd (_ bv8 32) c_~last_1_var_1_16~0) (_ bv0 32)) (let ((.cse1 (fp.add c_currentRoundingMode c_~var_1_14~0 c_~var_1_15~0))) (let ((.cse0 (fp.gt c_~var_1_13~0 .cse1))) (or (and (= c_~var_1_12~0 c_~var_1_13~0) .cse0) (and (not .cse0) (= c_~var_1_12~0 .cse1))))) (= c_~var_1_16~0 ((_ sign_extend 24) c_~var_1_8~0)) (or (and (fp.leq c_~var_1_15~0 .cse2) (fp.geq c_~var_1_15~0 .cse3)) (and (fp.geq c_~var_1_15~0 .cse4) (fp.leq c_~var_1_15~0 .cse5))) (= (bvadd (_ bv1 8) c_~last_1_var_1_1~0) (_ bv0 8)) (not (bvslt ((_ sign_extend 24) c_~var_1_9~0) (_ bv4294967288 32))) (let ((.cse6 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (or (and (fp.geq c_~var_1_13~0 (fp.neg .cse6)) (fp.leq c_~var_1_13~0 .cse2)) (and (fp.geq c_~var_1_13~0 .cse4) (fp.leq c_~var_1_13~0 .cse6)))) (or (and (fp.leq c_~var_1_14~0 .cse5) (fp.geq c_~var_1_14~0 .cse4)) (and (fp.leq c_~var_1_14~0 .cse2) (fp.geq c_~var_1_14~0 .cse3))) (not (= c_~var_1_7~0 (_ bv0 8))) (let ((.cse10 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_14~0)) (.cse12 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_13~0))) (let ((.cse11 (= .cse12 c_~var_1_19~0)) (.cse13 (fp.gt .cse12 .cse10))) (or (and (let ((.cse9 (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 20.0)) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_15~0)))) (let ((.cse7 (fp.gt .cse12 .cse9))) (or (and (not .cse7) (let ((.cse8 (fp.lt .cse9 .cse10))) (or (and .cse8 (= .cse9 c_~var_1_19~0)) (and (not .cse8) (= .cse10 c_~var_1_19~0))))) (and .cse11 .cse7)))) (not .cse13)) (and .cse11 .cse13)))) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from true [2023-12-23 06:01:44,369 WARN L293 SmtUtils]: Spent 9.26s 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 06:01:53,663 WARN L293 SmtUtils]: Spent 9.29s 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 06:02:02,924 WARN L293 SmtUtils]: Spent 9.26s 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 06:02:12,156 WARN L293 SmtUtils]: Spent 9.23s 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 06:02:21,385 WARN L293 SmtUtils]: Spent 9.23s 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 06:02:30,691 WARN L293 SmtUtils]: Spent 9.30s 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 06:02:39,907 WARN L293 SmtUtils]: Spent 9.21s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:02:49,127 WARN L293 SmtUtils]: Spent 9.22s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:02:58,346 WARN L293 SmtUtils]: Spent 9.22s 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 06:03:07,620 WARN L293 SmtUtils]: Spent 9.27s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:03:16,813 WARN L293 SmtUtils]: Spent 9.19s 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 06:03:26,020 WARN L293 SmtUtils]: Spent 9.21s 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 06:03:35,221 WARN L293 SmtUtils]: Spent 9.20s 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 06:03:44,596 WARN L293 SmtUtils]: Spent 9.37s 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 06:03:53,831 WARN L293 SmtUtils]: Spent 9.23s 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 06:04:02,624 WARN L293 SmtUtils]: Spent 8.79s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:04:11,840 WARN L293 SmtUtils]: Spent 9.21s 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 06:04:21,099 WARN L293 SmtUtils]: Spent 9.26s 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 06:04:30,421 WARN L293 SmtUtils]: Spent 9.32s 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 06:04:39,670 WARN L293 SmtUtils]: Spent 9.25s 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 06:04:48,978 WARN L293 SmtUtils]: Spent 9.31s 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 06:04:58,319 WARN L293 SmtUtils]: Spent 9.34s 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 06:05:07,655 WARN L293 SmtUtils]: Spent 9.33s 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 06:05:16,911 WARN L293 SmtUtils]: Spent 9.25s 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 06:05:26,168 WARN L293 SmtUtils]: Spent 9.26s 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 06:05:35,391 WARN L293 SmtUtils]: Spent 9.22s 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 06:05:44,568 WARN L293 SmtUtils]: Spent 9.18s 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 06:05:53,857 WARN L293 SmtUtils]: Spent 9.29s 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 06:06:03,399 WARN L293 SmtUtils]: Spent 9.54s 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 06:06:12,560 WARN L293 SmtUtils]: Spent 9.16s 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 06:06:21,780 WARN L293 SmtUtils]: Spent 9.22s 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) Received shutdown request... [2023-12-23 06:06:30,765 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 (4)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-23 06:06:30,778 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 06:06:31,072 WARN L293 SmtUtils]: Spent 9.29s 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 06:06:31,801 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-12-23 06:06:31,932 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-23 06:06:31,932 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 229 with TraceHistMax 37,while TraceCheckSpWp was constructing forward predicates,while executing Executor. [2023-12-23 06:06:31,936 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-12-23 06:06:31,938 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-23 06:06:31,939 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 06:06:31 BoogieIcfgContainer [2023-12-23 06:06:31,939 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-23 06:06:31,955 INFO L158 Benchmark]: Toolchain (without parser) took 885856.39ms. Allocated memory is still 281.0MB. Free memory was 231.7MB in the beginning and 223.8MB in the end (delta: 7.8MB). Peak memory consumption was 160.4MB. Max. memory is 8.0GB. [2023-12-23 06:06:31,955 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 179.3MB. Free memory is still 124.4MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-23 06:06:31,955 INFO L158 Benchmark]: CACSL2BoogieTranslator took 303.32ms. Allocated memory is still 281.0MB. Free memory was 231.7MB in the beginning and 214.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2023-12-23 06:06:31,956 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.01ms. Allocated memory is still 281.0MB. Free memory was 214.9MB in the beginning and 211.8MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-23 06:06:31,956 INFO L158 Benchmark]: Boogie Preprocessor took 46.75ms. Allocated memory is still 281.0MB. Free memory was 211.8MB in the beginning and 207.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-12-23 06:06:31,956 INFO L158 Benchmark]: RCFGBuilder took 24025.58ms. Allocated memory is still 281.0MB. Free memory was 207.6MB in the beginning and 179.2MB in the end (delta: 28.3MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. [2023-12-23 06:06:31,956 INFO L158 Benchmark]: TraceAbstraction took 861434.37ms. Allocated memory is still 281.0MB. Free memory was 178.2MB in the beginning and 223.8MB in the end (delta: -45.7MB). Peak memory consumption was 106.9MB. Max. memory is 8.0GB. [2023-12-23 06:06:31,957 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 179.3MB. Free memory is still 124.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 303.32ms. Allocated memory is still 281.0MB. Free memory was 231.7MB in the beginning and 214.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 42.01ms. Allocated memory is still 281.0MB. Free memory was 214.9MB in the beginning and 211.8MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 46.75ms. Allocated memory is still 281.0MB. Free memory was 211.8MB in the beginning and 207.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 24025.58ms. Allocated memory is still 281.0MB. Free memory was 207.6MB in the beginning and 179.2MB in the end (delta: 28.3MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. * TraceAbstraction took 861434.37ms. Allocated memory is still 281.0MB. Free memory was 178.2MB in the beginning and 223.8MB in the end (delta: -45.7MB). Peak memory consumption was 106.9MB. 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 229 with TraceHistMax 37,while TraceCheckSpWp was constructing forward predicates,while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 96 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 861.4s, OverallIterations: 3, TraceHistogramMax: 37, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 19.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4 mSolverCounterUnknown, 43 SdHoareTripleChecker+Valid, 18.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 43 mSDsluCounter, 466 SdHoareTripleChecker+Invalid, 18.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 137 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 22 IncrementalHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 329 mSDtfsCounter, 22 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 454 GetRequests, 453 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=184occurred in iteration=2, InterpolantAutomatonStates: 5, 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, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 2.6s SatisfiabilityAnalysisTime, 5.8s InterpolantComputationTime, 456 NumberOfCodeBlocks, 456 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 454 ConstructedInterpolants, 0 QuantifiedInterpolants, 876 SizeOfPredicates, 1 NumberOfNonLiveVariables, 734 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 5328/5328 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 [2023-12-23 06:06:31,979 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process