/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_amount250_file-10.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-03 04:52:11,811 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-03 04:52:11,883 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 04:52:11,889 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-03 04:52:11,889 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-03 04:52:11,916 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-03 04:52:11,916 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-03 04:52:11,917 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-03 04:52:11,918 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-03 04:52:11,919 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-03 04:52:11,919 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-03 04:52:11,919 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-03 04:52:11,920 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-03 04:52:11,920 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-03 04:52:11,921 INFO L153 SettingsManager]: * Use SBE=true [2024-11-03 04:52:11,922 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-03 04:52:11,922 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-03 04:52:11,922 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-03 04:52:11,923 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-03 04:52:11,923 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-03 04:52:11,923 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-03 04:52:11,927 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-03 04:52:11,927 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-03 04:52:11,927 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-03 04:52:11,927 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-03 04:52:11,927 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-03 04:52:11,928 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-03 04:52:11,928 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-03 04:52:11,928 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-03 04:52:11,928 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-03 04:52:11,928 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-03 04:52:11,929 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-03 04:52:11,929 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-03 04:52:11,929 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-03 04:52:11,929 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 04:52:11,929 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-03 04:52:11,930 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-03 04:52:11,930 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-03 04:52:11,930 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-03 04:52:11,932 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-03 04:52:11,932 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-03 04:52:11,932 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-03 04:52:11,932 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-03 04:52:11,932 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-03 04:52:11,933 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc5 --incremental --print-success --lang smt [2024-11-03 04:52:12,160 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-03 04:52:12,185 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-03 04:52:12,188 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-03 04:52:12,189 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-03 04:52:12,190 INFO L274 PluginConnector]: CDTParser initialized [2024-11-03 04:52:12,191 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount250_file-10.i [2024-11-03 04:52:13,645 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-03 04:52:13,914 INFO L384 CDTParser]: Found 1 translation units. [2024-11-03 04:52:13,914 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount250_file-10.i [2024-11-03 04:52:13,930 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3b40fdd5/2f935beee625497188fc492c3e959060/FLAGaa157456f [2024-11-03 04:52:14,212 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3b40fdd5/2f935beee625497188fc492c3e959060 [2024-11-03 04:52:14,213 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-03 04:52:14,214 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-03 04:52:14,216 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-03 04:52:14,216 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-03 04:52:14,221 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-03 04:52:14,221 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:52:14" (1/1) ... [2024-11-03 04:52:14,222 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@644c0964 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:52:14, skipping insertion in model container [2024-11-03 04:52:14,222 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:52:14" (1/1) ... [2024-11-03 04:52:14,268 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-03 04:52:14,424 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_amount250_file-10.i[916,929] [2024-11-03 04:52:14,586 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 04:52:14,601 INFO L200 MainTranslator]: Completed pre-run [2024-11-03 04:52:14,613 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_amount250_file-10.i[916,929] [2024-11-03 04:52:14,690 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 04:52:14,716 INFO L204 MainTranslator]: Completed translation [2024-11-03 04:52:14,718 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:52:14 WrapperNode [2024-11-03 04:52:14,719 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-03 04:52:14,720 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-03 04:52:14,720 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-03 04:52:14,720 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-03 04:52:14,726 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:52:14" (1/1) ... [2024-11-03 04:52:14,756 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:52:14" (1/1) ... [2024-11-03 04:52:14,800 INFO L138 Inliner]: procedures = 27, calls = 78, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 402 [2024-11-03 04:52:14,801 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-03 04:52:14,801 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-03 04:52:14,802 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-03 04:52:14,802 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-03 04:52:14,813 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:52:14" (1/1) ... [2024-11-03 04:52:14,813 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:52:14" (1/1) ... [2024-11-03 04:52:14,825 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:52:14" (1/1) ... [2024-11-03 04:52:14,852 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 04:52:14,853 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:52:14" (1/1) ... [2024-11-03 04:52:14,853 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:52:14" (1/1) ... [2024-11-03 04:52:14,869 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:52:14" (1/1) ... [2024-11-03 04:52:14,873 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:52:14" (1/1) ... [2024-11-03 04:52:14,886 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:52:14" (1/1) ... [2024-11-03 04:52:14,889 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:52:14" (1/1) ... [2024-11-03 04:52:14,903 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-03 04:52:14,908 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-03 04:52:14,908 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-03 04:52:14,908 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-03 04:52:14,909 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:52:14" (1/1) ... [2024-11-03 04:52:14,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 04:52:14,926 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-03 04:52:14,943 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 04:52:14,947 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 04:52:14,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-03 04:52:14,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-03 04:52:14,976 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-03 04:52:14,976 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-03 04:52:14,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-03 04:52:14,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-03 04:52:15,093 INFO L238 CfgBuilder]: Building ICFG [2024-11-03 04:52:15,095 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-03 04:52:23,437 INFO L? ?]: Removed 44 outVars from TransFormulas that were not future-live. [2024-11-03 04:52:23,437 INFO L287 CfgBuilder]: Performing block encoding [2024-11-03 04:52:23,457 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-03 04:52:23,457 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-03 04:52:23,457 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:52:23 BoogieIcfgContainer [2024-11-03 04:52:23,458 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-03 04:52:23,461 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-03 04:52:23,461 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-03 04:52:23,464 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-03 04:52:23,464 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 04:52:14" (1/3) ... [2024-11-03 04:52:23,465 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c02bf9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:52:23, skipping insertion in model container [2024-11-03 04:52:23,465 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:52:14" (2/3) ... [2024-11-03 04:52:23,466 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c02bf9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:52:23, skipping insertion in model container [2024-11-03 04:52:23,466 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:52:23" (3/3) ... [2024-11-03 04:52:23,468 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount250_file-10.i [2024-11-03 04:52:23,481 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-03 04:52:23,481 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-03 04:52:23,543 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-03 04:52:23,551 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;@e849b20, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-03 04:52:23,552 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-03 04:52:23,557 INFO L276 IsEmpty]: Start isEmpty. Operand has 170 states, 102 states have (on average 1.4313725490196079) internal successors, (146), 103 states have internal predecessors, (146), 65 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) [2024-11-03 04:52:23,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2024-11-03 04:52:23,583 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 04:52:23,584 INFO L215 NwaCegarLoop]: trace histogram [65, 65, 65, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:52:23,584 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 04:52:23,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 04:52:23,590 INFO L85 PathProgramCache]: Analyzing trace with hash -737838138, now seen corresponding path program 1 times [2024-11-03 04:52:23,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 04:52:23,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [783144574] [2024-11-03 04:52:23,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 04:52:23,601 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 04:52:23,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 04:52:23,602 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 04:52:23,604 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 04:52:23,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 04:52:23,929 INFO L255 TraceCheckSpWp]: Trace formula consists of 659 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-03 04:52:23,955 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 04:52:24,036 INFO L134 CoverageAnalysis]: Checked inductivity of 8320 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 8192 trivial. 0 not checked. [2024-11-03 04:52:24,036 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 04:52:25,673 INFO L134 CoverageAnalysis]: Checked inductivity of 8320 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 8192 trivial. 0 not checked. [2024-11-03 04:52:25,674 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 04:52:25,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [783144574] [2024-11-03 04:52:25,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [783144574] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 04:52:25,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 04:52:25,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-03 04:52:25,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737384954] [2024-11-03 04:52:25,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 04:52:25,680 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-03 04:52:25,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 04:52:25,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-03 04:52:25,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-03 04:52:25,700 INFO L87 Difference]: Start difference. First operand has 170 states, 102 states have (on average 1.4313725490196079) internal successors, (146), 103 states have internal predecessors, (146), 65 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) Second operand has 2 states, 2 states have (on average 40.5) internal successors, (81), 2 states have internal predecessors, (81), 2 states have call successors, (65), 2 states have call predecessors, (65), 1 states have return successors, (65), 1 states have call predecessors, (65), 2 states have call successors, (65) [2024-11-03 04:52:25,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 04:52:25,741 INFO L93 Difference]: Finished difference Result 333 states and 611 transitions. [2024-11-03 04:52:25,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-03 04:52:25,744 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 40.5) internal successors, (81), 2 states have internal predecessors, (81), 2 states have call successors, (65), 2 states have call predecessors, (65), 1 states have return successors, (65), 1 states have call predecessors, (65), 2 states have call successors, (65) Word has length 401 [2024-11-03 04:52:25,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 04:52:25,754 INFO L225 Difference]: With dead ends: 333 [2024-11-03 04:52:25,754 INFO L226 Difference]: Without dead ends: 166 [2024-11-03 04:52:25,759 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 800 GetRequests, 800 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 04:52:25,762 INFO L432 NwaCegarLoop]: 268 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, 268 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 04:52:25,763 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 268 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-03 04:52:25,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2024-11-03 04:52:25,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2024-11-03 04:52:25,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 99 states have (on average 1.393939393939394) internal successors, (138), 99 states have internal predecessors, (138), 65 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) [2024-11-03 04:52:25,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 268 transitions. [2024-11-03 04:52:25,836 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 268 transitions. Word has length 401 [2024-11-03 04:52:25,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 04:52:25,836 INFO L471 AbstractCegarLoop]: Abstraction has 166 states and 268 transitions. [2024-11-03 04:52:25,837 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 40.5) internal successors, (81), 2 states have internal predecessors, (81), 2 states have call successors, (65), 2 states have call predecessors, (65), 1 states have return successors, (65), 1 states have call predecessors, (65), 2 states have call successors, (65) [2024-11-03 04:52:25,837 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 268 transitions. [2024-11-03 04:52:25,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2024-11-03 04:52:25,853 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 04:52:25,853 INFO L215 NwaCegarLoop]: trace histogram [65, 65, 65, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:52:25,857 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-03 04:52:26,054 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 04:52:26,055 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 04:52:26,055 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 04:52:26,055 INFO L85 PathProgramCache]: Analyzing trace with hash -1494359300, now seen corresponding path program 1 times [2024-11-03 04:52:26,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 04:52:26,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1183866180] [2024-11-03 04:52:26,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 04:52:26,056 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 04:52:26,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 04:52:26,058 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 04:52:26,059 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 04:52:26,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 04:52:26,365 INFO L255 TraceCheckSpWp]: Trace formula consists of 659 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-03 04:52:26,377 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 04:52:26,449 INFO L134 CoverageAnalysis]: Checked inductivity of 8320 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8320 trivial. 0 not checked. [2024-11-03 04:52:26,449 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 04:52:28,051 INFO L134 CoverageAnalysis]: Checked inductivity of 8320 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8320 trivial. 0 not checked. [2024-11-03 04:52:28,052 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 04:52:28,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1183866180] [2024-11-03 04:52:28,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1183866180] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 04:52:28,052 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 04:52:28,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-03 04:52:28,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585409630] [2024-11-03 04:52:28,053 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 04:52:28,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 04:52:28,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 04:52:28,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 04:52:28,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-03 04:52:28,058 INFO L87 Difference]: Start difference. First operand 166 states and 268 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 1 states have call predecessors, (65), 1 states have call successors, (65) [2024-11-03 04:52:32,285 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-03 04:52:36,291 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-03 04:52:36,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 04:52:36,318 INFO L93 Difference]: Finished difference Result 491 states and 796 transitions. [2024-11-03 04:52:36,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 04:52:36,381 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 1 states have call predecessors, (65), 1 states have call successors, (65) Word has length 401 [2024-11-03 04:52:36,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 04:52:36,390 INFO L225 Difference]: With dead ends: 491 [2024-11-03 04:52:36,390 INFO L226 Difference]: Without dead ends: 328 [2024-11-03 04:52:36,392 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 800 GetRequests, 799 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 04:52:36,397 INFO L432 NwaCegarLoop]: 266 mSDtfsCounter, 261 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 4 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 261 SdHoareTripleChecker+Valid, 524 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2024-11-03 04:52:36,398 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [261 Valid, 524 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 5 Invalid, 2 Unknown, 0 Unchecked, 8.2s Time] [2024-11-03 04:52:36,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2024-11-03 04:52:36,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 326. [2024-11-03 04:52:36,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326 states, 193 states have (on average 1.38860103626943) internal successors, (268), 193 states have internal predecessors, (268), 130 states have call successors, (130), 2 states have call predecessors, (130), 2 states have return successors, (130), 130 states have call predecessors, (130), 130 states have call successors, (130) [2024-11-03 04:52:36,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 528 transitions. [2024-11-03 04:52:36,476 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 528 transitions. Word has length 401 [2024-11-03 04:52:36,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 04:52:36,477 INFO L471 AbstractCegarLoop]: Abstraction has 326 states and 528 transitions. [2024-11-03 04:52:36,478 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 1 states have call predecessors, (65), 1 states have call successors, (65) [2024-11-03 04:52:36,478 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 528 transitions. [2024-11-03 04:52:36,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2024-11-03 04:52:36,484 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 04:52:36,485 INFO L215 NwaCegarLoop]: trace histogram [65, 65, 65, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:52:36,488 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 04:52:36,685 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 04:52:36,686 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 04:52:36,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 04:52:36,687 INFO L85 PathProgramCache]: Analyzing trace with hash 556624698, now seen corresponding path program 1 times [2024-11-03 04:52:36,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 04:52:36,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1366859222] [2024-11-03 04:52:36,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 04:52:36,687 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 04:52:36,687 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 04:52:36,690 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 04:52:36,692 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 04:52:36,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 04:52:36,933 INFO L255 TraceCheckSpWp]: Trace formula consists of 658 conjuncts, 238 conjuncts are in the unsatisfiable core [2024-11-03 04:52:36,971 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 04:53:32,239 INFO L134 CoverageAnalysis]: Checked inductivity of 8320 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8320 trivial. 0 not checked. [2024-11-03 04:53:32,240 INFO L311 TraceCheckSpWp]: Computing backward predicates...