./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-95.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-95.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 54b21eb7b86694f81e77523bf2f504625957e559b5f3ce77b6da4be0f88a0bc0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 09:46:04,164 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 09:46:04,219 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-11 09:46:04,225 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 09:46:04,226 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 09:46:04,251 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 09:46:04,251 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 09:46:04,252 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 09:46:04,252 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 09:46:04,253 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 09:46:04,253 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 09:46:04,253 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 09:46:04,254 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 09:46:04,256 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 09:46:04,256 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 09:46:04,256 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 09:46:04,257 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 09:46:04,257 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 09:46:04,265 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 09:46:04,265 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 09:46:04,265 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 09:46:04,269 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 09:46:04,270 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 09:46:04,270 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 09:46:04,270 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 09:46:04,271 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 09:46:04,271 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 09:46:04,271 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 09:46:04,271 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 09:46:04,271 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 09:46:04,271 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 09:46:04,272 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 09:46:04,272 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 09:46:04,272 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 09:46:04,272 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 09:46:04,272 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 09:46:04,272 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 09:46:04,272 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 09:46:04,272 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 09:46:04,273 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 09:46:04,273 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 09:46:04,274 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 09:46:04,274 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-clean/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 54b21eb7b86694f81e77523bf2f504625957e559b5f3ce77b6da4be0f88a0bc0 [2024-10-11 09:46:04,487 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 09:46:04,507 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 09:46:04,509 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 09:46:04,510 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 09:46:04,510 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 09:46:04,511 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-95.i [2024-10-11 09:46:05,702 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 09:46:05,873 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 09:46:05,874 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-95.i [2024-10-11 09:46:05,884 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/de518dccd/4687baf2567a49f0b0080dba2d2d53aa/FLAG0b7f8c08b [2024-10-11 09:46:06,268 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/de518dccd/4687baf2567a49f0b0080dba2d2d53aa [2024-10-11 09:46:06,270 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 09:46:06,271 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 09:46:06,273 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 09:46:06,273 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 09:46:06,277 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 09:46:06,278 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 09:46:06" (1/1) ... [2024-10-11 09:46:06,279 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ac7cdfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:46:06, skipping insertion in model container [2024-10-11 09:46:06,279 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 09:46:06" (1/1) ... [2024-10-11 09:46:06,304 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 09:46:06,453 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-95.i[919,932] [2024-10-11 09:46:06,533 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 09:46:06,549 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 09:46:06,559 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-95.i[919,932] [2024-10-11 09:46:06,586 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 09:46:06,606 INFO L204 MainTranslator]: Completed translation [2024-10-11 09:46:06,608 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:46:06 WrapperNode [2024-10-11 09:46:06,608 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 09:46:06,609 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 09:46:06,609 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 09:46:06,609 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 09:46:06,615 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:46:06" (1/1) ... [2024-10-11 09:46:06,627 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:46:06" (1/1) ... [2024-10-11 09:46:06,659 INFO L138 Inliner]: procedures = 26, calls = 57, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 279 [2024-10-11 09:46:06,659 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 09:46:06,659 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 09:46:06,662 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 09:46:06,662 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 09:46:06,670 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:46:06" (1/1) ... [2024-10-11 09:46:06,671 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:46:06" (1/1) ... [2024-10-11 09:46:06,674 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:46:06" (1/1) ... [2024-10-11 09:46:06,704 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]. [2024-10-11 09:46:06,705 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:46:06" (1/1) ... [2024-10-11 09:46:06,705 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:46:06" (1/1) ... [2024-10-11 09:46:06,716 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:46:06" (1/1) ... [2024-10-11 09:46:06,726 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:46:06" (1/1) ... [2024-10-11 09:46:06,727 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:46:06" (1/1) ... [2024-10-11 09:46:06,743 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:46:06" (1/1) ... [2024-10-11 09:46:06,749 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 09:46:06,749 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 09:46:06,750 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 09:46:06,750 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 09:46:06,750 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:46:06" (1/1) ... [2024-10-11 09:46:06,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 09:46:06,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 09:46:06,777 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 09:46:06,779 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 09:46:06,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 09:46:06,816 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 09:46:06,816 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 09:46:06,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 09:46:06,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 09:46:06,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 09:46:06,887 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 09:46:06,889 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 09:46:07,216 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-10-11 09:46:07,217 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 09:46:07,246 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 09:46:07,246 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 09:46:07,247 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 09:46:07 BoogieIcfgContainer [2024-10-11 09:46:07,247 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 09:46:07,248 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 09:46:07,250 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 09:46:07,253 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 09:46:07,253 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 09:46:06" (1/3) ... [2024-10-11 09:46:07,253 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b0c0a98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 09:46:07, skipping insertion in model container [2024-10-11 09:46:07,254 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:46:06" (2/3) ... [2024-10-11 09:46:07,254 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b0c0a98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 09:46:07, skipping insertion in model container [2024-10-11 09:46:07,255 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 09:46:07" (3/3) ... [2024-10-11 09:46:07,256 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-cn_file-95.i [2024-10-11 09:46:07,268 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 09:46:07,268 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 09:46:07,317 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 09:46:07,322 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;@3014938, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 09:46:07,322 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 09:46:07,327 INFO L276 IsEmpty]: Start isEmpty. Operand has 117 states, 70 states have (on average 1.4428571428571428) internal successors, (101), 71 states have internal predecessors, (101), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-10-11 09:46:07,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2024-10-11 09:46:07,344 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:46:07,345 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 09:46:07,345 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:46:07,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:46:07,350 INFO L85 PathProgramCache]: Analyzing trace with hash 1793032438, now seen corresponding path program 1 times [2024-10-11 09:46:07,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:46:07,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703677679] [2024-10-11 09:46:07,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:46:07,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:46:07,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:07,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:46:07,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:07,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 09:46:07,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:07,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 09:46:07,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:07,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 09:46:07,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:07,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 09:46:07,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:07,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 09:46:07,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:07,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 09:46:07,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:07,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 09:46:07,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:07,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-11 09:46:07,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:07,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-11 09:46:07,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:07,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-11 09:46:07,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:07,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 09:46:07,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:07,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-11 09:46:07,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:07,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 09:46:07,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:07,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 09:46:07,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:07,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 09:46:07,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:07,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 09:46:07,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:07,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 09:46:07,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:07,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 09:46:07,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:07,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 09:46:07,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:07,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 09:46:07,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:07,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 09:46:07,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:07,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 09:46:07,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:07,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 09:46:07,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:07,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 09:46:07,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:07,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-11 09:46:07,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:07,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 09:46:07,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:07,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-11 09:46:07,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:07,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 09:46:07,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:07,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 09:46:07,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:07,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 09:46:07,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:07,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-11 09:46:07,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:07,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-11 09:46:07,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:07,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-11 09:46:07,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:07,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-11 09:46:07,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:07,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-11 09:46:07,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:07,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-11 09:46:07,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:07,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-11 09:46:07,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:07,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-11 09:46:07,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:07,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-11 09:46:07,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:07,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-11 09:46:07,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:07,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-11 09:46:07,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:07,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-10-11 09:46:07,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:07,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-11 09:46:07,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:07,823 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-10-11 09:46:07,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:46:07,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703677679] [2024-10-11 09:46:07,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1703677679] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 09:46:07,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 09:46:07,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 09:46:07,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752459530] [2024-10-11 09:46:07,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 09:46:07,832 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 09:46:07,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:46:07,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 09:46:07,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 09:46:07,885 INFO L87 Difference]: Start difference. First operand has 117 states, 70 states have (on average 1.4428571428571428) internal successors, (101), 71 states have internal predecessors, (101), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) Second operand has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 2 states have call successors, (44) [2024-10-11 09:46:07,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:46:07,951 INFO L93 Difference]: Finished difference Result 230 states and 418 transitions. [2024-10-11 09:46:07,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 09:46:07,953 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 2 states have call successors, (44) Word has length 270 [2024-10-11 09:46:07,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:46:07,960 INFO L225 Difference]: With dead ends: 230 [2024-10-11 09:46:07,960 INFO L226 Difference]: Without dead ends: 114 [2024-10-11 09:46:07,964 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 09:46:07,967 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 09:46:07,967 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 178 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 09:46:07,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-10-11 09:46:08,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2024-10-11 09:46:08,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 68 states have (on average 1.3676470588235294) internal successors, (93), 68 states have internal predecessors, (93), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-10-11 09:46:08,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 181 transitions. [2024-10-11 09:46:08,015 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 181 transitions. Word has length 270 [2024-10-11 09:46:08,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:46:08,015 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 181 transitions. [2024-10-11 09:46:08,015 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 2 states have call successors, (44) [2024-10-11 09:46:08,016 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 181 transitions. [2024-10-11 09:46:08,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2024-10-11 09:46:08,020 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:46:08,020 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 09:46:08,020 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 09:46:08,020 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:46:08,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:46:08,021 INFO L85 PathProgramCache]: Analyzing trace with hash -1262085266, now seen corresponding path program 1 times [2024-10-11 09:46:08,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:46:08,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090131565] [2024-10-11 09:46:08,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:46:08,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:46:08,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:47:48,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:47:48,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:47:48,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 09:47:48,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:47:48,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 09:47:48,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:47:48,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 09:47:48,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:47:48,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 09:47:48,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:47:48,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 09:47:48,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:47:48,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 09:47:48,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:47:48,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 09:47:48,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:47:48,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-11 09:47:48,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:47:48,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-11 09:47:48,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:47:48,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-11 09:47:48,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:47:48,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 09:47:48,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:47:48,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-11 09:47:48,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:47:48,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 09:47:48,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:47:48,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 09:47:48,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:47:48,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 09:47:48,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:47:48,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 09:47:48,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:47:48,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 09:47:48,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:47:48,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 09:47:48,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:47:48,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 09:47:48,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:47:48,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 09:47:48,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:47:48,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 09:47:48,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:47:48,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 09:47:48,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:47:48,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 09:47:48,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:47:48,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 09:47:48,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:47:48,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-11 09:47:48,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:47:48,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 09:47:48,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:47:48,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-11 09:47:48,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:47:48,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 09:47:48,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:47:48,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 09:47:48,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:47:48,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 09:47:48,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:47:48,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-11 09:47:48,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:47:48,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-11 09:47:48,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:47:48,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-11 09:47:48,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:47:48,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-11 09:47:48,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:47:48,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-11 09:47:48,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:47:48,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-11 09:47:48,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:47:48,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-11 09:47:48,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:47:48,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-11 09:47:48,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:47:48,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-11 09:47:48,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:47:48,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-11 09:47:48,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:47:48,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-11 09:47:48,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:47:48,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-10-11 09:47:48,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:47:48,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-11 09:47:48,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:47:48,238 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-10-11 09:47:48,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:47:48,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090131565] [2024-10-11 09:47:48,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090131565] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 09:47:48,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 09:47:48,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 09:47:48,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343543887] [2024-10-11 09:47:48,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 09:47:48,241 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 09:47:48,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:47:48,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 09:47:48,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-10-11 09:47:48,245 INFO L87 Difference]: Start difference. First operand 114 states and 181 transitions. Second operand has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44)