/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver 'mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount25_file-15.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-03 08:23:11,482 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-03 08:23:11,538 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-03 08:23:11,549 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-03 08:23:11,549 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-03 08:23:11,581 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-03 08:23:11,582 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-03 08:23:11,582 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-03 08:23:11,582 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-03 08:23:11,583 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-03 08:23:11,583 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-03 08:23:11,583 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-03 08:23:11,584 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-03 08:23:11,584 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-03 08:23:11,585 INFO L153 SettingsManager]: * Use SBE=true [2024-11-03 08:23:11,585 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-03 08:23:11,585 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-03 08:23:11,586 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-03 08:23:11,586 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-03 08:23:11,586 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-03 08:23:11,587 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-03 08:23:11,587 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-03 08:23:11,588 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-03 08:23:11,588 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-03 08:23:11,588 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-03 08:23:11,588 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-03 08:23:11,589 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-03 08:23:11,589 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-03 08:23:11,589 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-03 08:23:11,590 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-03 08:23:11,590 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-03 08:23:11,590 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-03 08:23:11,591 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-03 08:23:11,591 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-03 08:23:11,591 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 08:23:11,592 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-03 08:23:11,592 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-03 08:23:11,592 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-03 08:23:11,593 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-03 08:23:11,593 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-03 08:23:11,593 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-03 08:23:11,594 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-03 08:23:11,594 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-03 08:23:11,594 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-03 08:23:11,594 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-03 08:23:11,834 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-03 08:23:11,861 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-03 08:23:11,864 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-03 08:23:11,865 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-03 08:23:11,865 INFO L274 PluginConnector]: CDTParser initialized [2024-11-03 08:23:11,866 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount25_file-15.i [2024-11-03 08:23:13,319 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-03 08:23:13,515 INFO L384 CDTParser]: Found 1 translation units. [2024-11-03 08:23:13,515 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount25_file-15.i [2024-11-03 08:23:13,522 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c7320ce6/1fafe8b2386f4d53b45e763082ac97f9/FLAG1f5ccb23e [2024-11-03 08:23:13,539 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c7320ce6/1fafe8b2386f4d53b45e763082ac97f9 [2024-11-03 08:23:13,542 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-03 08:23:13,543 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-03 08:23:13,544 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-03 08:23:13,544 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-03 08:23:13,550 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-03 08:23:13,550 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 08:23:13" (1/1) ... [2024-11-03 08:23:13,551 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d0062b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:23:13, skipping insertion in model container [2024-11-03 08:23:13,552 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 08:23:13" (1/1) ... [2024-11-03 08:23:13,574 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-03 08:23:13,747 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount25_file-15.i[915,928] [2024-11-03 08:23:13,777 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 08:23:13,789 INFO L200 MainTranslator]: Completed pre-run [2024-11-03 08:23:13,801 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount25_file-15.i[915,928] [2024-11-03 08:23:13,815 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 08:23:13,832 INFO L204 MainTranslator]: Completed translation [2024-11-03 08:23:13,832 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:23:13 WrapperNode [2024-11-03 08:23:13,832 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-03 08:23:13,833 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-03 08:23:13,834 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-03 08:23:13,834 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-03 08:23:13,840 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:23:13" (1/1) ... [2024-11-03 08:23:13,849 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:23:13" (1/1) ... [2024-11-03 08:23:13,869 INFO L138 Inliner]: procedures = 27, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 87 [2024-11-03 08:23:13,870 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-03 08:23:13,871 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-03 08:23:13,871 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-03 08:23:13,871 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-03 08:23:13,881 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:23:13" (1/1) ... [2024-11-03 08:23:13,881 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:23:13" (1/1) ... [2024-11-03 08:23:13,886 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:23:13" (1/1) ... [2024-11-03 08:23:13,898 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-03 08:23:13,899 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:23:13" (1/1) ... [2024-11-03 08:23:13,899 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:23:13" (1/1) ... [2024-11-03 08:23:13,908 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:23:13" (1/1) ... [2024-11-03 08:23:13,911 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:23:13" (1/1) ... [2024-11-03 08:23:13,915 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:23:13" (1/1) ... [2024-11-03 08:23:13,916 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:23:13" (1/1) ... [2024-11-03 08:23:13,919 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-03 08:23:13,920 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-03 08:23:13,920 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-03 08:23:13,920 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-03 08:23:13,921 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:23:13" (1/1) ... [2024-11-03 08:23:13,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 08:23:13,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-03 08:23:13,950 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-03 08:23:13,952 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-03 08:23:13,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-03 08:23:13,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-03 08:23:13,972 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-03 08:23:13,972 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-03 08:23:13,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-03 08:23:13,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-03 08:23:14,039 INFO L238 CfgBuilder]: Building ICFG [2024-11-03 08:23:14,041 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-03 08:23:14,245 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-03 08:23:14,245 INFO L287 CfgBuilder]: Performing block encoding [2024-11-03 08:23:14,260 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-03 08:23:14,261 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-03 08:23:14,262 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 08:23:14 BoogieIcfgContainer [2024-11-03 08:23:14,262 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-03 08:23:14,264 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-03 08:23:14,265 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-03 08:23:14,268 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-03 08:23:14,268 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 08:23:13" (1/3) ... [2024-11-03 08:23:14,268 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a3af200 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 08:23:14, skipping insertion in model container [2024-11-03 08:23:14,269 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:23:13" (2/3) ... [2024-11-03 08:23:14,269 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a3af200 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 08:23:14, skipping insertion in model container [2024-11-03 08:23:14,269 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 08:23:14" (3/3) ... [2024-11-03 08:23:14,270 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-15.i [2024-11-03 08:23:14,294 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-03 08:23:14,295 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-03 08:23:14,349 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-03 08:23:14,355 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4ea11ccb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-03 08:23:14,356 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-03 08:23:14,361 INFO L276 IsEmpty]: Start isEmpty. Operand has 40 states, 28 states have (on average 1.3928571428571428) internal successors, (39), 29 states have internal predecessors, (39), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-03 08:23:14,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-03 08:23:14,371 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 08:23:14,372 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 08:23:14,374 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 08:23:14,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 08:23:14,381 INFO L85 PathProgramCache]: Analyzing trace with hash 2034627107, now seen corresponding path program 1 times [2024-11-03 08:23:14,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 08:23:14,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1780982175] [2024-11-03 08:23:14,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 08:23:14,389 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-03 08:23:14,390 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-03 08:23:14,392 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-03 08:23:14,393 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-03 08:23:14,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 08:23:14,516 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-03 08:23:14,524 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 08:23:14,560 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-03 08:23:14,561 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 08:23:14,644 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-11-03 08:23:14,645 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 08:23:14,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1780982175] [2024-11-03 08:23:14,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1780982175] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 08:23:14,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 08:23:14,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-03 08:23:14,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166280624] [2024-11-03 08:23:14,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 08:23:14,651 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-03 08:23:14,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 08:23:14,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-03 08:23:14,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-03 08:23:14,695 INFO L87 Difference]: Start difference. First operand has 40 states, 28 states have (on average 1.3928571428571428) internal successors, (39), 29 states have internal predecessors, (39), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) 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, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-03 08:23:14,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 08:23:14,715 INFO L93 Difference]: Finished difference Result 73 states and 117 transitions. [2024-11-03 08:23:14,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-03 08:23:14,717 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, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 62 [2024-11-03 08:23:14,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 08:23:14,723 INFO L225 Difference]: With dead ends: 73 [2024-11-03 08:23:14,723 INFO L226 Difference]: Without dead ends: 36 [2024-11-03 08:23:14,727 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-03 08:23:14,732 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-03 08:23:14,733 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-03 08:23:14,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2024-11-03 08:23:14,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2024-11-03 08:23:14,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 25 states have (on average 1.24) internal successors, (31), 25 states have internal predecessors, (31), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-03 08:23:14,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 49 transitions. [2024-11-03 08:23:14,761 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 49 transitions. Word has length 62 [2024-11-03 08:23:14,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 08:23:14,761 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 49 transitions. [2024-11-03 08:23:14,762 INFO L472 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, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-03 08:23:14,762 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 49 transitions. [2024-11-03 08:23:14,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-03 08:23:14,764 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 08:23:14,764 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 08:23:14,770 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-11-03 08:23:14,965 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-03 08:23:14,965 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 08:23:14,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 08:23:14,966 INFO L85 PathProgramCache]: Analyzing trace with hash 2090256293, now seen corresponding path program 1 times [2024-11-03 08:23:14,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 08:23:14,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [77156506] [2024-11-03 08:23:14,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 08:23:14,967 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-03 08:23:14,967 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-03 08:23:14,968 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-03 08:23:14,971 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-03 08:23:15,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 08:23:15,055 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-03 08:23:15,059 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 08:23:15,235 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-03 08:23:15,235 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 08:23:15,340 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-03 08:23:15,340 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 08:23:15,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [77156506] [2024-11-03 08:23:15,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [77156506] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 08:23:15,341 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 08:23:15,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 5] imperfect sequences [] total 8 [2024-11-03 08:23:15,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899319350] [2024-11-03 08:23:15,341 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 08:23:15,342 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-03 08:23:15,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 08:23:15,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-03 08:23:15,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-03 08:23:15,345 INFO L87 Difference]: Start difference. First operand 36 states and 49 transitions. Second operand has 8 states, 8 states have (on average 4.25) internal successors, (34), 8 states have internal predecessors, (34), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-03 08:23:15,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 08:23:15,666 INFO L93 Difference]: Finished difference Result 156 states and 208 transitions. [2024-11-03 08:23:15,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-03 08:23:15,667 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.25) internal successors, (34), 8 states have internal predecessors, (34), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 62 [2024-11-03 08:23:15,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 08:23:15,669 INFO L225 Difference]: With dead ends: 156 [2024-11-03 08:23:15,669 INFO L226 Difference]: Without dead ends: 123 [2024-11-03 08:23:15,670 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2024-11-03 08:23:15,672 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 95 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-03 08:23:15,672 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 319 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-03 08:23:15,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-11-03 08:23:15,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 63. [2024-11-03 08:23:15,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 42 states have (on average 1.1904761904761905) internal successors, (50), 42 states have internal predecessors, (50), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-03 08:23:15,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 86 transitions. [2024-11-03 08:23:15,692 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 86 transitions. Word has length 62 [2024-11-03 08:23:15,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 08:23:15,692 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 86 transitions. [2024-11-03 08:23:15,692 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.25) internal successors, (34), 8 states have internal predecessors, (34), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-03 08:23:15,692 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2024-11-03 08:23:15,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-03 08:23:15,695 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 08:23:15,696 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 08:23:15,701 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-03 08:23:15,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-03 08:23:15,902 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 08:23:15,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 08:23:15,902 INFO L85 PathProgramCache]: Analyzing trace with hash -582413953, now seen corresponding path program 1 times [2024-11-03 08:23:15,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 08:23:15,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [631714932] [2024-11-03 08:23:15,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 08:23:15,903 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-03 08:23:15,903 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-03 08:23:15,906 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-03 08:23:15,908 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-03 08:23:15,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 08:23:15,986 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-03 08:23:15,997 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 08:23:21,781 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-11-03 08:23:21,782 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 08:23:27,107 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 42 proven. 3 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-11-03 08:23:27,108 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 08:23:27,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [631714932] [2024-11-03 08:23:27,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [631714932] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 08:23:27,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 08:23:27,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [12] total 23 [2024-11-03 08:23:27,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637083309] [2024-11-03 08:23:27,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 08:23:27,109 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-03 08:23:27,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 08:23:27,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-03 08:23:27,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=396, Unknown=0, NotChecked=0, Total=506 [2024-11-03 08:23:27,111 INFO L87 Difference]: Start difference. First operand 63 states and 86 transitions. Second operand has 13 states, 13 states have (on average 2.076923076923077) internal successors, (27), 12 states have internal predecessors, (27), 2 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-03 08:23:27,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 08:23:27,924 INFO L93 Difference]: Finished difference Result 165 states and 212 transitions. [2024-11-03 08:23:27,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-03 08:23:27,930 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.076923076923077) internal successors, (27), 12 states have internal predecessors, (27), 2 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) Word has length 63 [2024-11-03 08:23:27,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 08:23:27,932 INFO L225 Difference]: With dead ends: 165 [2024-11-03 08:23:27,932 INFO L226 Difference]: Without dead ends: 105 [2024-11-03 08:23:27,933 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 102 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 202 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=296, Invalid=826, Unknown=0, NotChecked=0, Total=1122 [2024-11-03 08:23:27,934 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 103 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-03 08:23:27,935 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 244 Invalid, 289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 242 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-03 08:23:27,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2024-11-03 08:23:27,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 96. [2024-11-03 08:23:27,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 66 states have (on average 1.121212121212121) internal successors, (74), 67 states have internal predecessors, (74), 22 states have call successors, (22), 7 states have call predecessors, (22), 7 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-03 08:23:27,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 118 transitions. [2024-11-03 08:23:27,950 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 118 transitions. Word has length 63 [2024-11-03 08:23:27,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 08:23:27,950 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 118 transitions. [2024-11-03 08:23:27,951 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.076923076923077) internal successors, (27), 12 states have internal predecessors, (27), 2 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-03 08:23:27,951 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 118 transitions. [2024-11-03 08:23:27,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-03 08:23:27,952 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 08:23:27,952 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 08:23:27,957 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2024-11-03 08:23:28,154 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-03 08:23:28,155 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 08:23:28,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 08:23:28,156 INFO L85 PathProgramCache]: Analyzing trace with hash 1668570716, now seen corresponding path program 1 times [2024-11-03 08:23:28,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 08:23:28,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [754648109] [2024-11-03 08:23:28,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 08:23:28,156 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-03 08:23:28,157 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-03 08:23:28,160 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-03 08:23:28,160 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-03 08:23:28,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 08:23:28,233 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-03 08:23:28,236 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 08:23:28,330 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-03 08:23:28,330 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 08:23:28,363 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-03 08:23:28,363 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 08:23:28,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [754648109] [2024-11-03 08:23:28,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [754648109] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 08:23:28,364 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 08:23:28,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 3] imperfect sequences [] total 6 [2024-11-03 08:23:28,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310325337] [2024-11-03 08:23:28,364 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 08:23:28,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-03 08:23:28,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 08:23:28,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-03 08:23:28,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-03 08:23:28,366 INFO L87 Difference]: Start difference. First operand 96 states and 118 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-03 08:23:28,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 08:23:28,460 INFO L93 Difference]: Finished difference Result 169 states and 205 transitions. [2024-11-03 08:23:28,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-03 08:23:28,461 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 64 [2024-11-03 08:23:28,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 08:23:28,462 INFO L225 Difference]: With dead ends: 169 [2024-11-03 08:23:28,462 INFO L226 Difference]: Without dead ends: 0 [2024-11-03 08:23:28,463 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-03 08:23:28,464 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 31 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 08:23:28,464 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 66 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 08:23:28,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-03 08:23:28,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-03 08:23:28,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 08:23:28,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-03 08:23:28,465 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 64 [2024-11-03 08:23:28,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 08:23:28,466 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-03 08:23:28,466 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-03 08:23:28,466 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-03 08:23:28,466 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-03 08:23:28,469 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-03 08:23:28,475 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-03 08:23:28,669 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-03 08:23:28,673 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-03 08:23:28,674 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-03 08:23:30,146 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-03 08:23:30,162 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-03 08:23:30,163 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-03 08:23:30,163 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-03 08:23:30,163 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-03 08:23:30,165 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-03 08:23:30,166 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-03 08:23:30,166 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-03 08:23:30,166 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-03 08:23:30,166 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-03 08:23:30,166 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-03 08:23:30,166 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-03 08:23:30,166 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-03 08:23:30,174 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-03 08:23:30,175 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-03 08:23:30,176 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-03 08:23:30,176 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-03 08:23:30,183 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 08:23:30 BoogieIcfgContainer [2024-11-03 08:23:30,183 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-03 08:23:30,184 INFO L158 Benchmark]: Toolchain (without parser) took 16640.72ms. Allocated memory was 391.1MB in the beginning and 916.5MB in the end (delta: 525.3MB). Free memory was 330.9MB in the beginning and 755.9MB in the end (delta: -425.0MB). Peak memory consumption was 101.4MB. Max. memory is 8.0GB. [2024-11-03 08:23:30,184 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 220.2MB. Free memory is still 169.2MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-03 08:23:30,184 INFO L158 Benchmark]: CACSL2BoogieTranslator took 288.50ms. Allocated memory is still 391.1MB. Free memory was 330.4MB in the beginning and 316.2MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2024-11-03 08:23:30,185 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.47ms. Allocated memory is still 391.1MB. Free memory was 316.2MB in the beginning and 314.6MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-11-03 08:23:30,185 INFO L158 Benchmark]: Boogie Preprocessor took 48.41ms. Allocated memory is still 391.1MB. Free memory was 314.6MB in the beginning and 312.0MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-11-03 08:23:30,185 INFO L158 Benchmark]: RCFGBuilder took 342.32ms. Allocated memory is still 391.1MB. Free memory was 312.0MB in the beginning and 297.9MB in the end (delta: 14.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2024-11-03 08:23:30,185 INFO L158 Benchmark]: TraceAbstraction took 15918.61ms. Allocated memory was 391.1MB in the beginning and 916.5MB in the end (delta: 525.3MB). Free memory was 296.8MB in the beginning and 755.9MB in the end (delta: -459.1MB). Peak memory consumption was 67.8MB. Max. memory is 8.0GB. [2024-11-03 08:23:30,187 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 220.2MB. Free memory is still 169.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 288.50ms. Allocated memory is still 391.1MB. Free memory was 330.4MB in the beginning and 316.2MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 36.47ms. Allocated memory is still 391.1MB. Free memory was 316.2MB in the beginning and 314.6MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 48.41ms. Allocated memory is still 391.1MB. Free memory was 314.6MB in the beginning and 312.0MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 342.32ms. Allocated memory is still 391.1MB. Free memory was 312.0MB in the beginning and 297.9MB in the end (delta: 14.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 15918.61ms. Allocated memory was 391.1MB in the beginning and 916.5MB in the end (delta: 525.3MB). Free memory was 296.8MB in the beginning and 755.9MB in the end (delta: -459.1MB). Peak memory consumption was 67.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven * 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 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 40 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 14.3s, OverallIterations: 4, TraceHistogramMax: 9, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 230 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 229 mSDsluCounter, 678 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 503 mSDsCounter, 135 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 379 IncrementalHoareTripleChecker+Invalid, 514 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 135 mSolverCounterUnsat, 175 mSDtfsCounter, 379 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 515 GetRequests, 465 SyntacticMatches, 1 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 216 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=96occurred in iteration=3, InterpolantAutomatonStates: 35, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 69 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 11.7s InterpolantComputationTime, 251 NumberOfCodeBlocks, 251 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 494 ConstructedInterpolants, 11 QuantifiedInterpolants, 2015 SizeOfPredicates, 22 NumberOfNonLiveVariables, 448 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 8 InterpolantComputations, 6 PerfectInterpolantSequences, 1141/1152 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 89]: Loop Invariant Derived loop invariant: (((((var_1_9 == 2) && (0 != var_1_10)) && (2 == last_1_var_1_9)) && (var_1_11 <= 0)) || (((((var_1_1 == var_1_8) && (var_1_9 == 2)) && (2 == last_1_var_1_9)) && (var_1_13 == var_1_12)) && (var_1_11 <= 0))) - ProcedureContractResult [Line: 20]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Requires: ((var_1_9 == 2) && (2 == last_1_var_1_9)) Ensures: ((((var_1_9 == 2) && (2 == last_1_var_1_9)) && (0 != cond)) && ((((((((((((isInitial == \old(isInitial)) && (var_1_1 == \old(var_1_1))) && (var_1_3 == \old(var_1_3))) && (var_1_7 == \old(var_1_7))) && (var_1_8 == \old(var_1_8))) && (var_1_9 == \old(var_1_9))) && (var_1_10 == \old(var_1_10))) && (var_1_11 == \old(var_1_11))) && (var_1_12 == \old(var_1_12))) && (var_1_13 == \old(var_1_13))) && (last_1_var_1_9 == \old(last_1_var_1_9))) && (last_1_var_1_10 == \old(last_1_var_1_10)))) RESULT: Ultimate proved your program to be correct! [2024-11-03 08:23:30,254 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request...