/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 'cvc5 --incremental --print-success --lang smt' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount25_file-90.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-03 05:15:30,224 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-03 05:15:30,262 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 05:15:30,266 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-03 05:15:30,266 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-03 05:15:30,280 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-03 05:15:30,281 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-03 05:15:30,281 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-03 05:15:30,281 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-03 05:15:30,281 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-03 05:15:30,282 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-03 05:15:30,282 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-03 05:15:30,282 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-03 05:15:30,283 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-03 05:15:30,283 INFO L153 SettingsManager]: * Use SBE=true [2024-11-03 05:15:30,283 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-03 05:15:30,283 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-03 05:15:30,283 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-03 05:15:30,284 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-03 05:15:30,284 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-03 05:15:30,284 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-03 05:15:30,285 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-03 05:15:30,285 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-03 05:15:30,285 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-03 05:15:30,285 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-03 05:15:30,285 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-03 05:15:30,286 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-03 05:15:30,286 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-03 05:15:30,286 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-03 05:15:30,286 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-03 05:15:30,287 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-03 05:15:30,287 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-03 05:15:30,287 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-03 05:15:30,287 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-03 05:15:30,287 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 05:15:30,288 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-03 05:15:30,288 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-03 05:15:30,288 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-03 05:15:30,288 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-03 05:15:30,288 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-03 05:15:30,288 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-03 05:15:30,289 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-03 05:15:30,289 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-03 05:15:30,289 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-03 05:15:30,289 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc5 --incremental --print-success --lang smt [2024-11-03 05:15:30,461 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-03 05:15:30,485 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-03 05:15:30,486 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-03 05:15:30,489 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-03 05:15:30,489 INFO L274 PluginConnector]: CDTParser initialized [2024-11-03 05:15:30,490 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount25_file-90.i [2024-11-03 05:15:31,868 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-03 05:15:32,030 INFO L384 CDTParser]: Found 1 translation units. [2024-11-03 05:15:32,031 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount25_file-90.i [2024-11-03 05:15:32,039 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/183ae7f03/757b81e0893b4e2daba84b326bde2cf6/FLAG9fe59ec6d [2024-11-03 05:15:32,054 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/183ae7f03/757b81e0893b4e2daba84b326bde2cf6 [2024-11-03 05:15:32,057 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-03 05:15:32,058 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-03 05:15:32,060 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-03 05:15:32,061 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-03 05:15:32,065 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-03 05:15:32,065 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:15:32" (1/1) ... [2024-11-03 05:15:32,066 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d119365 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:15:32, skipping insertion in model container [2024-11-03 05:15:32,066 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:15:32" (1/1) ... [2024-11-03 05:15:32,093 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-03 05:15:32,227 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-90.i[915,928] [2024-11-03 05:15:32,270 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 05:15:32,281 INFO L200 MainTranslator]: Completed pre-run [2024-11-03 05:15:32,291 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-90.i[915,928] [2024-11-03 05:15:32,311 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 05:15:32,332 INFO L204 MainTranslator]: Completed translation [2024-11-03 05:15:32,334 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:15:32 WrapperNode [2024-11-03 05:15:32,334 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-03 05:15:32,335 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-03 05:15:32,335 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-03 05:15:32,335 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-03 05:15:32,341 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:15:32" (1/1) ... [2024-11-03 05:15:32,349 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:15:32" (1/1) ... [2024-11-03 05:15:32,367 INFO L138 Inliner]: procedures = 27, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 110 [2024-11-03 05:15:32,368 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-03 05:15:32,368 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-03 05:15:32,368 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-03 05:15:32,369 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-03 05:15:32,377 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:15:32" (1/1) ... [2024-11-03 05:15:32,377 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:15:32" (1/1) ... [2024-11-03 05:15:32,382 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:15:32" (1/1) ... [2024-11-03 05:15:32,392 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 05:15:32,393 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:15:32" (1/1) ... [2024-11-03 05:15:32,393 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:15:32" (1/1) ... [2024-11-03 05:15:32,402 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:15:32" (1/1) ... [2024-11-03 05:15:32,407 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:15:32" (1/1) ... [2024-11-03 05:15:32,409 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:15:32" (1/1) ... [2024-11-03 05:15:32,410 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:15:32" (1/1) ... [2024-11-03 05:15:32,412 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-03 05:15:32,412 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-03 05:15:32,413 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-03 05:15:32,413 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-03 05:15:32,413 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:15:32" (1/1) ... [2024-11-03 05:15:32,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 05:15:32,426 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-03 05:15:32,444 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 05:15:32,447 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 05:15:32,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-03 05:15:32,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-03 05:15:32,465 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-03 05:15:32,465 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-03 05:15:32,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-03 05:15:32,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-03 05:15:32,520 INFO L238 CfgBuilder]: Building ICFG [2024-11-03 05:15:32,521 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-03 05:15:32,735 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-03 05:15:32,735 INFO L287 CfgBuilder]: Performing block encoding [2024-11-03 05:15:32,745 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-03 05:15:32,746 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-03 05:15:32,746 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:15:32 BoogieIcfgContainer [2024-11-03 05:15:32,746 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-03 05:15:32,748 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-03 05:15:32,748 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-03 05:15:32,751 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-03 05:15:32,751 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 05:15:32" (1/3) ... [2024-11-03 05:15:32,751 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61322dec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:15:32, skipping insertion in model container [2024-11-03 05:15:32,752 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:15:32" (2/3) ... [2024-11-03 05:15:32,752 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61322dec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:15:32, skipping insertion in model container [2024-11-03 05:15:32,752 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:15:32" (3/3) ... [2024-11-03 05:15:32,753 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-90.i [2024-11-03 05:15:32,765 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-03 05:15:32,765 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-03 05:15:32,808 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-03 05:15:32,813 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;@13c59fc5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-03 05:15:32,813 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-03 05:15:32,817 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 32 states have internal predecessors, (41), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-03 05:15:32,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-03 05:15:32,825 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:15:32,826 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:15:32,826 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:15:32,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:15:32,830 INFO L85 PathProgramCache]: Analyzing trace with hash 1387335848, now seen corresponding path program 1 times [2024-11-03 05:15:32,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:15:32,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [480907727] [2024-11-03 05:15:32,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:15:32,839 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:15:32,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:15:32,841 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:15:32,844 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-03 05:15:33,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:15:33,027 INFO L255 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-03 05:15:33,036 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:15:33,066 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked. [2024-11-03 05:15:33,067 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:15:33,133 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked. [2024-11-03 05:15:33,134 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:15:33,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [480907727] [2024-11-03 05:15:33,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [480907727] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:15:33,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:15:33,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-03 05:15:33,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251119756] [2024-11-03 05:15:33,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:15:33,143 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-03 05:15:33,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:15:33,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-03 05:15:33,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-03 05:15:33,165 INFO L87 Difference]: Start difference. First operand has 51 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 32 states have internal predecessors, (41), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-03 05:15:33,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:15:33,181 INFO L93 Difference]: Finished difference Result 95 states and 161 transitions. [2024-11-03 05:15:33,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-03 05:15:33,182 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) Word has length 107 [2024-11-03 05:15:33,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:15:33,186 INFO L225 Difference]: With dead ends: 95 [2024-11-03 05:15:33,187 INFO L226 Difference]: Without dead ends: 47 [2024-11-03 05:15:33,189 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 212 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 05:15:33,191 INFO L432 NwaCegarLoop]: 68 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, 68 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 05:15:33,191 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-03 05:15:33,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2024-11-03 05:15:33,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2024-11-03 05:15:33,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 28 states have internal predecessors, (34), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-03 05:15:33,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 68 transitions. [2024-11-03 05:15:33,217 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 68 transitions. Word has length 107 [2024-11-03 05:15:33,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:15:33,217 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 68 transitions. [2024-11-03 05:15:33,217 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-03 05:15:33,217 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2024-11-03 05:15:33,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-03 05:15:33,219 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:15:33,219 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:15:33,223 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-03 05:15:33,422 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:15:33,423 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:15:33,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:15:33,424 INFO L85 PathProgramCache]: Analyzing trace with hash 2101967718, now seen corresponding path program 1 times [2024-11-03 05:15:33,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:15:33,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1905868910] [2024-11-03 05:15:33,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:15:33,424 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:15:33,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:15:33,427 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:15:33,431 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-03 05:15:33,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:15:33,550 INFO L255 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 84 conjuncts are in the unsatisfiable core [2024-11-03 05:15:33,561 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:15:37,041 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 382 proven. 36 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2024-11-03 05:15:37,041 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:15:45,953 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-11-03 05:15:45,954 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:15:45,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1905868910] [2024-11-03 05:15:45,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1905868910] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:15:45,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:15:45,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [31] total 42 [2024-11-03 05:15:45,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849520805] [2024-11-03 05:15:45,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:15:45,956 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-03 05:15:45,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:15:45,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-03 05:15:45,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=280, Invalid=1442, Unknown=0, NotChecked=0, Total=1722 [2024-11-03 05:15:45,958 INFO L87 Difference]: Start difference. First operand 47 states and 68 transitions. Second operand has 12 states, 12 states have (on average 2.3333333333333335) internal successors, (28), 11 states have internal predecessors, (28), 1 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-03 05:15:48,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:15:48,478 INFO L93 Difference]: Finished difference Result 85 states and 117 transitions. [2024-11-03 05:15:48,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-03 05:15:48,479 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.3333333333333335) internal successors, (28), 11 states have internal predecessors, (28), 1 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) Word has length 107 [2024-11-03 05:15:48,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:15:48,481 INFO L225 Difference]: With dead ends: 85 [2024-11-03 05:15:48,481 INFO L226 Difference]: Without dead ends: 83 [2024-11-03 05:15:48,482 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 742 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=374, Invalid=1978, Unknown=0, NotChecked=0, Total=2352 [2024-11-03 05:15:48,483 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 167 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 373 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 467 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-03 05:15:48,485 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 292 Invalid, 467 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 373 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-03 05:15:48,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-11-03 05:15:48,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 71. [2024-11-03 05:15:48,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 43 states have (on average 1.186046511627907) internal successors, (51), 44 states have internal predecessors, (51), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-03 05:15:48,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 101 transitions. [2024-11-03 05:15:48,509 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 101 transitions. Word has length 107 [2024-11-03 05:15:48,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:15:48,510 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 101 transitions. [2024-11-03 05:15:48,510 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.3333333333333335) internal successors, (28), 11 states have internal predecessors, (28), 1 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-03 05:15:48,510 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 101 transitions. [2024-11-03 05:15:48,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-03 05:15:48,511 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:15:48,512 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:15:48,515 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-03 05:15:48,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:15:48,715 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:15:48,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:15:48,716 INFO L85 PathProgramCache]: Analyzing trace with hash 1292621092, now seen corresponding path program 1 times [2024-11-03 05:15:48,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:15:48,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [824527813] [2024-11-03 05:15:48,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:15:48,716 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:15:48,716 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:15:48,719 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:15:48,719 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-03 05:15:48,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:15:48,776 INFO L255 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-03 05:15:48,778 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:15:48,793 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-03 05:15:48,793 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:15:48,834 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-03 05:15:48,834 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:15:48,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [824527813] [2024-11-03 05:15:48,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [824527813] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 05:15:48,835 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 05:15:48,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-03 05:15:48,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044135075] [2024-11-03 05:15:48,835 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 05:15:48,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:15:48,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:15:48,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:15:48,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-03 05:15:48,836 INFO L87 Difference]: Start difference. First operand 71 states and 101 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-03 05:15:48,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:15:48,883 INFO L93 Difference]: Finished difference Result 202 states and 288 transitions. [2024-11-03 05:15:48,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:15:48,884 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 107 [2024-11-03 05:15:48,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:15:48,887 INFO L225 Difference]: With dead ends: 202 [2024-11-03 05:15:48,890 INFO L226 Difference]: Without dead ends: 134 [2024-11-03 05:15:48,891 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-03 05:15:48,891 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 60 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-03 05:15:48,892 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 187 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-03 05:15:48,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2024-11-03 05:15:48,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 71. [2024-11-03 05:15:48,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 43 states have (on average 1.1627906976744187) internal successors, (50), 44 states have internal predecessors, (50), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-03 05:15:48,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 100 transitions. [2024-11-03 05:15:48,910 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 100 transitions. Word has length 107 [2024-11-03 05:15:48,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:15:48,910 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 100 transitions. [2024-11-03 05:15:48,910 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-03 05:15:48,910 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 100 transitions. [2024-11-03 05:15:48,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-03 05:15:48,911 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:15:48,912 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:15:48,915 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-03 05:15:49,113 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:15:49,114 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:15:49,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:15:49,114 INFO L85 PathProgramCache]: Analyzing trace with hash -1227338842, now seen corresponding path program 1 times [2024-11-03 05:15:49,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:15:49,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1332308696] [2024-11-03 05:15:49,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:15:49,115 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:15:49,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:15:49,119 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:15:49,120 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-03 05:15:49,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:15:49,173 INFO L255 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 60 conjuncts are in the unsatisfiable core [2024-11-03 05:15:49,179 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:15:49,709 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-03 05:15:49,709 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:15:50,335 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-03 05:15:50,335 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:15:50,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1332308696] [2024-11-03 05:15:50,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1332308696] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 05:15:50,336 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 05:15:50,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 7] imperfect sequences [] total 11 [2024-11-03 05:15:50,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420881298] [2024-11-03 05:15:50,336 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 05:15:50,336 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-03 05:15:50,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:15:50,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-03 05:15:50,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-11-03 05:15:50,339 INFO L87 Difference]: Start difference. First operand 71 states and 100 transitions. Second operand has 11 states, 11 states have (on average 4.181818181818182) internal successors, (46), 11 states have internal predecessors, (46), 3 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 4 states have call predecessors, (34), 3 states have call successors, (34) [2024-11-03 05:15:50,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:15:50,604 INFO L93 Difference]: Finished difference Result 204 states and 287 transitions. [2024-11-03 05:15:50,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-03 05:15:50,605 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.181818181818182) internal successors, (46), 11 states have internal predecessors, (46), 3 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 4 states have call predecessors, (34), 3 states have call successors, (34) Word has length 107 [2024-11-03 05:15:50,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:15:50,606 INFO L225 Difference]: With dead ends: 204 [2024-11-03 05:15:50,606 INFO L226 Difference]: Without dead ends: 136 [2024-11-03 05:15:50,607 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 203 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2024-11-03 05:15:50,608 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 108 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 407 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-03 05:15:50,608 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 407 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-03 05:15:50,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2024-11-03 05:15:50,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 107. [2024-11-03 05:15:50,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 61 states have (on average 1.1311475409836065) internal successors, (69), 62 states have internal predecessors, (69), 42 states have call successors, (42), 3 states have call predecessors, (42), 3 states have return successors, (42), 41 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-03 05:15:50,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 153 transitions. [2024-11-03 05:15:50,630 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 153 transitions. Word has length 107 [2024-11-03 05:15:50,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:15:50,631 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 153 transitions. [2024-11-03 05:15:50,631 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.181818181818182) internal successors, (46), 11 states have internal predecessors, (46), 3 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 4 states have call predecessors, (34), 3 states have call successors, (34) [2024-11-03 05:15:50,631 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 153 transitions. [2024-11-03 05:15:50,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-03 05:15:50,632 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:15:50,632 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:15:50,640 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-03 05:15:50,834 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:15:50,834 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:15:50,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:15:50,835 INFO L85 PathProgramCache]: Analyzing trace with hash 331001653, now seen corresponding path program 1 times [2024-11-03 05:15:50,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:15:50,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [187345318] [2024-11-03 05:15:50,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:15:50,835 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:15:50,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:15:50,838 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:15:50,838 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-03 05:15:50,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:15:50,931 INFO L255 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 77 conjuncts are in the unsatisfiable core [2024-11-03 05:15:50,935 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:15:55,825 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 426 proven. 78 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-03 05:15:55,825 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:16:04,874 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-11-03 05:16:04,875 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:16:04,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [187345318] [2024-11-03 05:16:04,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [187345318] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:16:04,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:16:04,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [38] total 50 [2024-11-03 05:16:04,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88534227] [2024-11-03 05:16:04,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:16:04,876 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-03 05:16:04,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:16:04,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-03 05:16:04,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=395, Invalid=2055, Unknown=0, NotChecked=0, Total=2450 [2024-11-03 05:16:04,878 INFO L87 Difference]: Start difference. First operand 107 states and 153 transitions. Second operand has 13 states, 13 states have (on average 2.230769230769231) internal successors, (29), 12 states have internal predecessors, (29), 1 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-03 05:16:07,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:16:07,433 INFO L93 Difference]: Finished difference Result 132 states and 180 transitions. [2024-11-03 05:16:07,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-03 05:16:07,433 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.230769230769231) internal successors, (29), 12 states have internal predecessors, (29), 1 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) Word has length 108 [2024-11-03 05:16:07,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:16:07,435 INFO L225 Difference]: With dead ends: 132 [2024-11-03 05:16:07,435 INFO L226 Difference]: Without dead ends: 130 [2024-11-03 05:16:07,436 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1082 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=511, Invalid=2795, Unknown=0, NotChecked=0, Total=3306 [2024-11-03 05:16:07,436 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 111 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 427 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 427 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-03 05:16:07,437 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 172 Invalid, 444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 427 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-03 05:16:07,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2024-11-03 05:16:07,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 113. [2024-11-03 05:16:07,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 67 states have (on average 1.1343283582089552) internal successors, (76), 68 states have internal predecessors, (76), 42 states have call successors, (42), 3 states have call predecessors, (42), 3 states have return successors, (42), 41 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-03 05:16:07,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 160 transitions. [2024-11-03 05:16:07,455 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 160 transitions. Word has length 108 [2024-11-03 05:16:07,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:16:07,455 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 160 transitions. [2024-11-03 05:16:07,455 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.230769230769231) internal successors, (29), 12 states have internal predecessors, (29), 1 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-03 05:16:07,456 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 160 transitions. [2024-11-03 05:16:07,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-03 05:16:07,457 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:16:07,457 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:16:07,462 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-03 05:16:07,657 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:16:07,658 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:16:07,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:16:07,658 INFO L85 PathProgramCache]: Analyzing trace with hash 201713397, now seen corresponding path program 1 times [2024-11-03 05:16:07,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:16:07,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1688047665] [2024-11-03 05:16:07,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:16:07,658 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:16:07,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:16:07,661 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:16:07,662 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-03 05:16:07,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:16:07,718 INFO L255 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 64 conjuncts are in the unsatisfiable core [2024-11-03 05:16:07,723 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:16:08,542 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 156 proven. 6 refuted. 0 times theorem prover too weak. 382 trivial. 0 not checked. [2024-11-03 05:16:08,543 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:16:11,529 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 42 proven. 6 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-11-03 05:16:11,529 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:16:11,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1688047665] [2024-11-03 05:16:11,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1688047665] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-03 05:16:11,530 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-03 05:16:11,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6] total 13 [2024-11-03 05:16:11,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337689990] [2024-11-03 05:16:11,530 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-03 05:16:11,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-03 05:16:11,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:16:11,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-03 05:16:11,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2024-11-03 05:16:11,531 INFO L87 Difference]: Start difference. First operand 113 states and 160 transitions. Second operand has 13 states, 13 states have (on average 4.076923076923077) internal successors, (53), 12 states have internal predecessors, (53), 4 states have call successors, (34), 3 states have call predecessors, (34), 5 states have return successors, (34), 5 states have call predecessors, (34), 4 states have call successors, (34) [2024-11-03 05:16:12,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:16:12,198 INFO L93 Difference]: Finished difference Result 191 states and 264 transitions. [2024-11-03 05:16:12,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-03 05:16:12,198 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.076923076923077) internal successors, (53), 12 states have internal predecessors, (53), 4 states have call successors, (34), 3 states have call predecessors, (34), 5 states have return successors, (34), 5 states have call predecessors, (34), 4 states have call successors, (34) Word has length 108 [2024-11-03 05:16:12,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:16:12,200 INFO L225 Difference]: With dead ends: 191 [2024-11-03 05:16:12,200 INFO L226 Difference]: Without dead ends: 114 [2024-11-03 05:16:12,201 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 204 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=168, Invalid=384, Unknown=0, NotChecked=0, Total=552 [2024-11-03 05:16:12,201 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 121 mSDsluCounter, 249 mSDsCounter, 0 mSdLazyCounter, 309 mSolverCounterSat, 174 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 483 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 174 IncrementalHoareTripleChecker+Valid, 309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-03 05:16:12,202 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 331 Invalid, 483 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [174 Valid, 309 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-03 05:16:12,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-11-03 05:16:12,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 110. [2024-11-03 05:16:12,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 62 states have (on average 1.064516129032258) internal successors, (66), 64 states have internal predecessors, (66), 42 states have call successors, (42), 5 states have call predecessors, (42), 5 states have return successors, (42), 40 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-03 05:16:12,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 150 transitions. [2024-11-03 05:16:12,218 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 150 transitions. Word has length 108 [2024-11-03 05:16:12,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:16:12,218 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 150 transitions. [2024-11-03 05:16:12,218 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.076923076923077) internal successors, (53), 12 states have internal predecessors, (53), 4 states have call successors, (34), 3 states have call predecessors, (34), 5 states have return successors, (34), 5 states have call predecessors, (34), 4 states have call successors, (34) [2024-11-03 05:16:12,218 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 150 transitions. [2024-11-03 05:16:12,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-03 05:16:12,219 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:16:12,219 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:16:12,224 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-03 05:16:12,421 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:16:12,422 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:16:12,422 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:16:12,422 INFO L85 PathProgramCache]: Analyzing trace with hash 1432785787, now seen corresponding path program 1 times [2024-11-03 05:16:12,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:16:12,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [558315666] [2024-11-03 05:16:12,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:16:12,422 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:16:12,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:16:12,425 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:16:12,426 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-03 05:16:12,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:16:12,539 INFO L255 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 78 conjuncts are in the unsatisfiable core [2024-11-03 05:16:12,544 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:16:17,207 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 426 proven. 78 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-03 05:16:17,208 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:16:27,580 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-11-03 05:16:27,581 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:16:27,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [558315666] [2024-11-03 05:16:27,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [558315666] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:16:27,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:16:27,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [39] total 52 [2024-11-03 05:16:27,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525736766] [2024-11-03 05:16:27,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:16:27,582 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-03 05:16:27,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:16:27,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-03 05:16:27,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=416, Invalid=2236, Unknown=0, NotChecked=0, Total=2652 [2024-11-03 05:16:27,583 INFO L87 Difference]: Start difference. First operand 110 states and 150 transitions. Second operand has 14 states, 14 states have (on average 2.142857142857143) internal successors, (30), 13 states have internal predecessors, (30), 1 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-03 05:16:30,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:16:30,936 INFO L93 Difference]: Finished difference Result 124 states and 164 transitions. [2024-11-03 05:16:30,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-03 05:16:30,937 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 2.142857142857143) internal successors, (30), 13 states have internal predecessors, (30), 1 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) Word has length 109 [2024-11-03 05:16:30,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:16:30,938 INFO L225 Difference]: With dead ends: 124 [2024-11-03 05:16:30,938 INFO L226 Difference]: Without dead ends: 122 [2024-11-03 05:16:30,939 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1215 ImplicationChecksByTransitivity, 7.5s TimeCoverageRelationStatistics Valid=558, Invalid=3102, Unknown=0, NotChecked=0, Total=3660 [2024-11-03 05:16:30,940 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 70 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 408 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 408 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-03 05:16:30,940 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 158 Invalid, 432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 408 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-03 05:16:30,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-03 05:16:30,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 110. [2024-11-03 05:16:30,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 62 states have (on average 1.064516129032258) internal successors, (66), 64 states have internal predecessors, (66), 42 states have call successors, (42), 5 states have call predecessors, (42), 5 states have return successors, (42), 40 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-03 05:16:30,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 150 transitions. [2024-11-03 05:16:30,964 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 150 transitions. Word has length 109 [2024-11-03 05:16:30,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:16:30,965 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 150 transitions. [2024-11-03 05:16:30,965 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.142857142857143) internal successors, (30), 13 states have internal predecessors, (30), 1 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-03 05:16:30,965 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 150 transitions. [2024-11-03 05:16:30,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-03 05:16:30,967 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:16:30,967 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:16:30,975 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-03 05:16:31,170 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:16:31,171 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:16:31,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:16:31,171 INFO L85 PathProgramCache]: Analyzing trace with hash 1434632829, now seen corresponding path program 1 times [2024-11-03 05:16:31,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:16:31,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1095705833] [2024-11-03 05:16:31,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:16:31,172 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:16:31,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:16:31,174 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:16:31,175 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-03 05:16:31,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:16:31,280 INFO L255 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 76 conjuncts are in the unsatisfiable core [2024-11-03 05:16:31,283 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:16:35,334 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 384 proven. 63 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2024-11-03 05:16:35,334 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:16:44,849 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-11-03 05:16:44,849 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:16:44,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1095705833] [2024-11-03 05:16:44,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1095705833] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:16:44,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:16:44,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [35] total 47 [2024-11-03 05:16:44,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550536986] [2024-11-03 05:16:44,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:16:44,850 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-03 05:16:44,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:16:44,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-03 05:16:44,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=344, Invalid=1818, Unknown=0, NotChecked=0, Total=2162 [2024-11-03 05:16:44,851 INFO L87 Difference]: Start difference. First operand 110 states and 150 transitions. Second operand has 13 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 12 states have internal predecessors, (30), 1 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-03 05:16:47,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:16:47,573 INFO L93 Difference]: Finished difference Result 127 states and 168 transitions. [2024-11-03 05:16:47,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-03 05:16:47,575 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 12 states have internal predecessors, (30), 1 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) Word has length 109 [2024-11-03 05:16:47,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:16:47,575 INFO L225 Difference]: With dead ends: 127 [2024-11-03 05:16:47,575 INFO L226 Difference]: Without dead ends: 0 [2024-11-03 05:16:47,576 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 960 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=460, Invalid=2510, Unknown=0, NotChecked=0, Total=2970 [2024-11-03 05:16:47,577 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 102 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-03 05:16:47,577 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 182 Invalid, 367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 322 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-03 05:16:47,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-03 05:16:47,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-03 05:16:47,578 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 05:16:47,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-03 05:16:47,578 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 109 [2024-11-03 05:16:47,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:16:47,578 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-03 05:16:47,579 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 12 states have internal predecessors, (30), 1 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-03 05:16:47,579 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-03 05:16:47,580 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-03 05:16:47,581 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-03 05:16:47,585 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-03 05:16:47,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:16:47,785 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:16:47,794 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-03 05:16:52,152 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-03 05:16:52,177 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~bvlshr~32 [2024-11-03 05:16:52,180 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~64 [2024-11-03 05:16:52,180 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-03 05:16:52,180 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~64 [2024-11-03 05:16:52,180 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~stepLocal_1~0 [2024-11-03 05:16:52,181 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-03 05:16:52,181 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~64 [2024-11-03 05:16:52,181 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-03 05:16:52,181 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-03 05:16:52,181 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-03 05:16:52,181 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-03 05:16:52,181 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-03 05:16:52,182 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-03 05:16:52,182 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~bvlshr~32 [2024-11-03 05:16:52,182 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-03 05:16:52,182 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-03 05:16:52,182 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-03 05:16:52,182 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-03 05:16:52,182 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~64 [2024-11-03 05:16:52,193 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~64 [2024-11-03 05:16:52,193 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-03 05:16:52,194 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-03 05:16:52,201 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 05:16:52 BoogieIcfgContainer [2024-11-03 05:16:52,202 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-03 05:16:52,202 INFO L158 Benchmark]: Toolchain (without parser) took 80143.82ms. Allocated memory was 297.8MB in the beginning and 1.2GB in the end (delta: 919.6MB). Free memory was 251.1MB in the beginning and 1.0GB in the end (delta: -764.6MB). Peak memory consumption was 727.5MB. Max. memory is 8.0GB. [2024-11-03 05:16:52,202 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 205.5MB. Free memory is still 154.2MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-03 05:16:52,202 INFO L158 Benchmark]: CACSL2BoogieTranslator took 273.56ms. Allocated memory is still 297.8MB. Free memory was 250.9MB in the beginning and 236.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2024-11-03 05:16:52,202 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.23ms. Allocated memory is still 297.8MB. Free memory was 236.1MB in the beginning and 234.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-11-03 05:16:52,203 INFO L158 Benchmark]: Boogie Preprocessor took 43.47ms. Allocated memory is still 297.8MB. Free memory was 234.1MB in the beginning and 231.5MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-11-03 05:16:52,203 INFO L158 Benchmark]: RCFGBuilder took 334.08ms. Allocated memory is still 297.8MB. Free memory was 231.5MB in the beginning and 216.2MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2024-11-03 05:16:52,203 INFO L158 Benchmark]: TraceAbstraction took 79453.39ms. Allocated memory was 297.8MB in the beginning and 1.2GB in the end (delta: 919.6MB). Free memory was 215.7MB in the beginning and 1.0GB in the end (delta: -800.0MB). Peak memory consumption was 691.9MB. Max. memory is 8.0GB. [2024-11-03 05:16:52,205 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 205.5MB. Free memory is still 154.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 273.56ms. Allocated memory is still 297.8MB. Free memory was 250.9MB in the beginning and 236.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 33.23ms. Allocated memory is still 297.8MB. Free memory was 236.1MB in the beginning and 234.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 43.47ms. Allocated memory is still 297.8MB. Free memory was 234.1MB in the beginning and 231.5MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 334.08ms. Allocated memory is still 297.8MB. Free memory was 231.5MB in the beginning and 216.2MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 79453.39ms. Allocated memory was 297.8MB in the beginning and 1.2GB in the end (delta: 919.6MB). Free memory was 215.7MB in the beginning and 1.0GB in the end (delta: -800.0MB). Peak memory consumption was 691.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~bvlshr~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.eq~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.eq~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~stepLocal_1~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.eq~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~bvlshr~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.eq~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.eq~64 - 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, 51 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 75.0s, OverallIterations: 8, TraceHistogramMax: 17, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 12.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 740 SdHoareTripleChecker+Valid, 4.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 739 mSDsluCounter, 1797 SdHoareTripleChecker+Invalid, 4.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1247 mSDsCounter, 430 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2015 IncrementalHoareTripleChecker+Invalid, 2445 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 430 mSolverCounterUnsat, 550 mSDtfsCounter, 2015 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1762 GetRequests, 1510 SyntacticMatches, 2 SemanticMatches, 250 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4110 ImplicationChecksByTransitivity, 23.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=113occurred in iteration=5, InterpolantAutomatonStates: 83, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 137 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 60.1s InterpolantComputationTime, 862 NumberOfCodeBlocks, 862 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1708 ConstructedInterpolants, 0 QuantifiedInterpolants, 18073 SizeOfPredicates, 253 NumberOfNonLiveVariables, 1417 ConjunctsInSsa, 442 ConjunctsInUnsatCore, 16 InterpolantComputations, 9 PerfectInterpolantSequences, 8405/8704 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: 103]: Loop Invariant Derived loop invariant: (((((((var_1_1 == 25) && (2 == last_1_var_1_6)) && (4 == var_1_11)) && (var_1_6 == 2)) && (((var_1_7 + -var_1_8) % 4294967296) >= var_1_9)) && (0 != var_1_15)) || ((var_1_16 == var_1_15) && (0 != var_1_15))) - ProcedureContractResult [Line: 20]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Requires: (0 != var_1_15) Ensures: ((((0 != cond) || (0 != var_1_16)) && (0 != var_1_15)) && ((((((((((((((((isInitial == \old(isInitial)) && (var_1_1 == \old(var_1_1))) && (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))) && (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))) && (var_1_14 == \old(var_1_14))) && (var_1_15 == \old(var_1_15))) && (var_1_16 == \old(var_1_16))) && (var_1_17 == \old(var_1_17))) && (var_1_18 == \old(var_1_18))) && (last_1_var_1_6 == \old(last_1_var_1_6)))) RESULT: Ultimate proved your program to be correct! [2024-11-03 05:16:52,298 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...