/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 --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.trace.refinement.strategy WOLF -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount10_file-37.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-17387ad-m [2024-11-05 23:16:21,915 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-05 23:16:21,970 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-05 23:16:21,976 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-05 23:16:21,976 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-05 23:16:22,003 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-05 23:16:22,003 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-05 23:16:22,004 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-05 23:16:22,004 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-05 23:16:22,005 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-05 23:16:22,005 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-05 23:16:22,006 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-05 23:16:22,006 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-05 23:16:22,006 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-05 23:16:22,006 INFO L153 SettingsManager]: * Use SBE=true [2024-11-05 23:16:22,007 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-05 23:16:22,007 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-05 23:16:22,010 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-05 23:16:22,010 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-05 23:16:22,011 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-05 23:16:22,011 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-05 23:16:22,011 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-05 23:16:22,011 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-05 23:16:22,011 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-05 23:16:22,012 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-05 23:16:22,012 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-05 23:16:22,012 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-05 23:16:22,012 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-05 23:16:22,012 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-05 23:16:22,012 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-05 23:16:22,013 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-05 23:16:22,013 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-05 23:16:22,013 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-05 23:16:22,013 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-05 23:16:22,013 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 23:16:22,013 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-05 23:16:22,014 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-05 23:16:22,014 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-05 23:16:22,014 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-05 23:16:22,014 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-05 23:16:22,014 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-05 23:16:22,016 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-05 23:16:22,016 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-05 23:16:22,016 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-05 23:16:22,017 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> WOLF [2024-11-05 23:16:22,188 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-05 23:16:22,205 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-05 23:16:22,208 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-05 23:16:22,208 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-05 23:16:22,209 INFO L274 PluginConnector]: CDTParser initialized [2024-11-05 23:16:22,210 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount10_file-37.i [2024-11-05 23:16:23,461 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-05 23:16:23,639 INFO L384 CDTParser]: Found 1 translation units. [2024-11-05 23:16:23,640 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount10_file-37.i [2024-11-05 23:16:23,646 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/822fc41d9/aaddef94a24342e597a5f21a565da950/FLAGedfe95add [2024-11-05 23:16:24,021 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/822fc41d9/aaddef94a24342e597a5f21a565da950 [2024-11-05 23:16:24,024 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-05 23:16:24,025 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-05 23:16:24,025 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-05 23:16:24,026 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-05 23:16:24,029 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-05 23:16:24,030 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 11:16:24" (1/1) ... [2024-11-05 23:16:24,030 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11d6605 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:16:24, skipping insertion in model container [2024-11-05 23:16:24,030 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 11:16:24" (1/1) ... [2024-11-05 23:16:24,048 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-05 23:16:24,165 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_amount10_file-37.i[915,928] [2024-11-05 23:16:24,186 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 23:16:24,194 INFO L200 MainTranslator]: Completed pre-run [2024-11-05 23:16:24,203 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_amount10_file-37.i[915,928] [2024-11-05 23:16:24,214 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 23:16:24,226 INFO L204 MainTranslator]: Completed translation [2024-11-05 23:16:24,227 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:16:24 WrapperNode [2024-11-05 23:16:24,227 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-05 23:16:24,228 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-05 23:16:24,228 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-05 23:16:24,228 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-05 23:16:24,232 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:16:24" (1/1) ... [2024-11-05 23:16:24,239 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:16:24" (1/1) ... [2024-11-05 23:16:24,253 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 83 [2024-11-05 23:16:24,253 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-05 23:16:24,253 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-05 23:16:24,253 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-05 23:16:24,254 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-05 23:16:24,261 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:16:24" (1/1) ... [2024-11-05 23:16:24,261 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:16:24" (1/1) ... [2024-11-05 23:16:24,263 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:16:24" (1/1) ... [2024-11-05 23:16:24,273 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]. [2024-11-05 23:16:24,273 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:16:24" (1/1) ... [2024-11-05 23:16:24,273 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:16:24" (1/1) ... [2024-11-05 23:16:24,278 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:16:24" (1/1) ... [2024-11-05 23:16:24,280 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:16:24" (1/1) ... [2024-11-05 23:16:24,282 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:16:24" (1/1) ... [2024-11-05 23:16:24,282 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:16:24" (1/1) ... [2024-11-05 23:16:24,284 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-05 23:16:24,286 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-05 23:16:24,286 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-05 23:16:24,286 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-05 23:16:24,286 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:16:24" (1/1) ... [2024-11-05 23:16:24,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 23:16:24,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-05 23:16:24,308 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) [2024-11-05 23:16:24,310 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 [2024-11-05 23:16:24,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-05 23:16:24,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-05 23:16:24,326 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-05 23:16:24,326 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-05 23:16:24,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-05 23:16:24,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-05 23:16:24,376 INFO L238 CfgBuilder]: Building ICFG [2024-11-05 23:16:24,377 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-05 23:16:32,747 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-05 23:16:32,748 INFO L287 CfgBuilder]: Performing block encoding [2024-11-05 23:16:32,759 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-05 23:16:32,760 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-05 23:16:32,760 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 11:16:32 BoogieIcfgContainer [2024-11-05 23:16:32,760 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-05 23:16:32,763 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-05 23:16:32,763 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-05 23:16:32,766 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-05 23:16:32,766 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 11:16:24" (1/3) ... [2024-11-05 23:16:32,766 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bdbd453 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 11:16:32, skipping insertion in model container [2024-11-05 23:16:32,766 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:16:24" (2/3) ... [2024-11-05 23:16:32,766 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bdbd453 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 11:16:32, skipping insertion in model container [2024-11-05 23:16:32,767 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 11:16:32" (3/3) ... [2024-11-05 23:16:32,767 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-37.i [2024-11-05 23:16:32,779 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-05 23:16:32,779 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-05 23:16:32,814 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-05 23:16:32,820 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;@664cd5fc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-05 23:16:32,821 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-05 23:16:32,823 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 27 states have (on average 1.2962962962962963) internal successors, (35), 28 states have internal predecessors, (35), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-05 23:16:32,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-05 23:16:32,829 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 23:16:32,830 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 23:16:32,830 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 23:16:32,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 23:16:32,834 INFO L85 PathProgramCache]: Analyzing trace with hash -861756449, now seen corresponding path program 1 times [2024-11-05 23:16:32,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-05 23:16:32,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1857910846] [2024-11-05 23:16:32,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 23:16:32,842 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 [2024-11-05 23:16:32,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 23:16:32,845 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) [2024-11-05 23:16:32,846 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 [2024-11-05 23:16:32,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 23:16:32,970 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-05 23:16:32,978 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 23:16:33,462 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-05 23:16:33,463 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-05 23:16:33,463 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-05 23:16:33,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1857910846] [2024-11-05 23:16:33,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1857910846] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-05 23:16:33,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-05 23:16:33,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-05 23:16:33,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754203878] [2024-11-05 23:16:33,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-05 23:16:33,469 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-05 23:16:33,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-05 23:16:33,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-05 23:16:33,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-05 23:16:33,485 INFO L87 Difference]: Start difference. First operand has 41 states, 27 states have (on average 1.2962962962962963) internal successors, (35), 28 states have internal predecessors, (35), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-05 23:16:37,971 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-05 23:16:41,977 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-05 23:16:45,989 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-05 23:16:50,234 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-05 23:16:54,247 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-05 23:16:58,252 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-05 23:17:02,565 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-05 23:17:06,581 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-05 23:17:10,848 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.27s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-05 23:17:14,854 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-05 23:17:15,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 23:17:15,142 INFO L93 Difference]: Finished difference Result 92 states and 145 transitions. [2024-11-05 23:17:15,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-05 23:17:15,146 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 74 [2024-11-05 23:17:15,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 23:17:15,153 INFO L225 Difference]: With dead ends: 92 [2024-11-05 23:17:15,154 INFO L226 Difference]: Without dead ends: 54 [2024-11-05 23:17:15,156 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-05 23:17:15,160 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 15 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 2 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 41.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.4s IncrementalHoareTripleChecker+Time [2024-11-05 23:17:15,161 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 251 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 29 Invalid, 10 Unknown, 0 Unchecked, 41.4s Time] [2024-11-05 23:17:15,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-11-05 23:17:15,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 53. [2024-11-05 23:17:15,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 37 states have (on average 1.162162162162162) internal successors, (43), 38 states have internal predecessors, (43), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 12 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-05 23:17:15,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 69 transitions. [2024-11-05 23:17:15,199 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 69 transitions. Word has length 74 [2024-11-05 23:17:15,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 23:17:15,199 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 69 transitions. [2024-11-05 23:17:15,199 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-05 23:17:15,200 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 69 transitions. [2024-11-05 23:17:15,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-05 23:17:15,205 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 23:17:15,205 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 23:17:15,210 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-05 23:17:15,406 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 [2024-11-05 23:17:15,406 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 23:17:15,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 23:17:15,407 INFO L85 PathProgramCache]: Analyzing trace with hash 913250913, now seen corresponding path program 1 times [2024-11-05 23:17:15,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-05 23:17:15,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [748330875] [2024-11-05 23:17:15,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 23:17:15,408 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 [2024-11-05 23:17:15,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 23:17:15,409 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) [2024-11-05 23:17:15,410 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 [2024-11-05 23:17:15,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 23:17:15,489 INFO L255 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-05 23:17:15,494 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 23:17:15,982 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-05 23:17:15,983 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-05 23:17:15,983 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-05 23:17:15,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [748330875] [2024-11-05 23:17:15,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [748330875] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-05 23:17:15,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-05 23:17:15,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-05 23:17:15,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692132362] [2024-11-05 23:17:15,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-05 23:17:15,985 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-05 23:17:15,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-05 23:17:15,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-05 23:17:15,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-05 23:17:15,986 INFO L87 Difference]: Start difference. First operand 53 states and 69 transitions. Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-05 23:17:20,332 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-05 23:17:24,338 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-05 23:17:28,608 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.27s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-05 23:17:32,615 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-05 23:17:37,035 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-05 23:17:41,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-05 23:17:45,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-05 23:17:49,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.26s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-05 23:17:53,312 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-05 23:17:57,327 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-05 23:17:57,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 23:17:57,644 INFO L93 Difference]: Finished difference Result 55 states and 71 transitions. [2024-11-05 23:17:57,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-05 23:17:57,645 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 74 [2024-11-05 23:17:57,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 23:17:57,646 INFO L225 Difference]: With dead ends: 55 [2024-11-05 23:17:57,646 INFO L226 Difference]: Without dead ends: 0 [2024-11-05 23:17:57,647 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-05 23:17:57,647 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 13 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 2 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 41.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.4s IncrementalHoareTripleChecker+Time [2024-11-05 23:17:57,648 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 196 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 22 Invalid, 10 Unknown, 0 Unchecked, 41.4s Time] [2024-11-05 23:17:57,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-05 23:17:57,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-05 23:17:57,649 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) [2024-11-05 23:17:57,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-05 23:17:57,649 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 74 [2024-11-05 23:17:57,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 23:17:57,649 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-05 23:17:57,649 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-05 23:17:57,649 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-05 23:17:57,649 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-05 23:17:57,651 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-05 23:17:57,656 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 [2024-11-05 23:17:57,852 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 [2024-11-05 23:17:57,855 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-05 23:17:57,857 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-05 23:17:57,962 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-05 23:17:57,976 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.11 11:17:57 BoogieIcfgContainer [2024-11-05 23:17:57,976 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-05 23:17:57,976 INFO L158 Benchmark]: Toolchain (without parser) took 93951.63ms. Allocated memory was 225.4MB in the beginning and 393.2MB in the end (delta: 167.8MB). Free memory was 190.1MB in the beginning and 325.9MB in the end (delta: -135.8MB). Peak memory consumption was 32.4MB. Max. memory is 8.0GB. [2024-11-05 23:17:57,976 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 225.4MB. Free memory is still 172.0MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-05 23:17:57,977 INFO L158 Benchmark]: CACSL2BoogieTranslator took 201.55ms. Allocated memory is still 225.4MB. Free memory was 190.1MB in the beginning and 176.1MB in the end (delta: 14.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2024-11-05 23:17:57,977 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.42ms. Allocated memory is still 225.4MB. Free memory was 176.1MB in the beginning and 174.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-11-05 23:17:57,977 INFO L158 Benchmark]: Boogie Preprocessor took 30.85ms. Allocated memory is still 225.4MB. Free memory was 174.4MB in the beginning and 171.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-11-05 23:17:57,977 INFO L158 Benchmark]: RCFGBuilder took 8474.74ms. Allocated memory is still 225.4MB. Free memory was 171.9MB in the beginning and 158.2MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2024-11-05 23:17:57,978 INFO L158 Benchmark]: TraceAbstraction took 85212.54ms. Allocated memory was 225.4MB in the beginning and 393.2MB in the end (delta: 167.8MB). Free memory was 157.2MB in the beginning and 325.9MB in the end (delta: -168.7MB). There was no memory consumed. Max. memory is 8.0GB. [2024-11-05 23:17:57,979 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 225.4MB. Free memory is still 172.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 201.55ms. Allocated memory is still 225.4MB. Free memory was 190.1MB in the beginning and 176.1MB in the end (delta: 14.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 25.42ms. Allocated memory is still 225.4MB. Free memory was 176.1MB in the beginning and 174.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 30.85ms. Allocated memory is still 225.4MB. Free memory was 174.4MB in the beginning and 171.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 8474.74ms. Allocated memory is still 225.4MB. Free memory was 171.9MB in the beginning and 158.2MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 85212.54ms. Allocated memory was 225.4MB in the beginning and 393.2MB in the end (delta: 167.8MB). Free memory was 157.2MB in the beginning and 325.9MB in the end (delta: -168.7MB). There was no memory consumed. 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 - 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, 41 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 85.1s, OverallIterations: 2, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 83.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 20 mSolverCounterUnknown, 28 SdHoareTripleChecker+Valid, 82.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 28 mSDsluCounter, 447 SdHoareTripleChecker+Invalid, 82.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 336 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 51 IncrementalHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 111 mSDtfsCounter, 51 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 150 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=53occurred in iteration=1, InterpolantAutomatonStates: 12, 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, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 148 NumberOfCodeBlocks, 148 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 146 ConstructedInterpolants, 0 QuantifiedInterpolants, 186 SizeOfPredicates, 10 NumberOfNonLiveVariables, 243 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 440/440 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: 77]: Loop Invariant Derived loop invariant: 1 - ProcedureContractResult [Line: 20]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: ((((((((((isInitial == \old(isInitial)) && (var_1_1 == \old(var_1_1))) && (var_1_2 == \old(var_1_2))) && (var_1_3 == \old(var_1_3))) && (var_1_4 == \old(var_1_4))) && (var_1_5 == \old(var_1_5))) && (var_1_6 == \old(var_1_6))) && (var_1_7 == \old(var_1_7))) && (var_1_8 == \old(var_1_8))) && (var_1_9 == \old(var_1_9))) RESULT: Ultimate proved your program to be correct! [2024-11-05 23:17:58,056 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...