./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-58.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/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-58.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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 2fc63777a0ccf8f5af2d615af70a989fa4bb3e78c76fdc98049d367d488d7a2a --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 02:22:31,192 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 02:22:31,277 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-13 02:22:31,281 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 02:22:31,282 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 02:22:31,300 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 02:22:31,301 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 02:22:31,301 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 02:22:31,302 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 02:22:31,302 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 02:22:31,303 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 02:22:31,303 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 02:22:31,304 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 02:22:31,304 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 02:22:31,304 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 02:22:31,305 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 02:22:31,305 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 02:22:31,306 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 02:22:31,306 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 02:22:31,306 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 02:22:31,307 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 02:22:31,311 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 02:22:31,311 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 02:22:31,312 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 02:22:31,312 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 02:22:31,312 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 02:22:31,313 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 02:22:31,313 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 02:22:31,313 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 02:22:31,313 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 02:22:31,314 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 02:22:31,314 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 02:22:31,314 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 02:22:31,314 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 02:22:31,314 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 02:22:31,315 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 02:22:31,315 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 02:22:31,315 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 02:22:31,315 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 02:22:31,316 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 02:22:31,316 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 02:22:31,316 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 02:22:31,317 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2fc63777a0ccf8f5af2d615af70a989fa4bb3e78c76fdc98049d367d488d7a2a [2024-10-13 02:22:31,600 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 02:22:31,627 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 02:22:31,630 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 02:22:31,631 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 02:22:31,631 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 02:22:31,633 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-58.i [2024-10-13 02:22:33,172 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 02:22:33,410 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 02:22:33,411 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-58.i [2024-10-13 02:22:33,425 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e2dec9d7/e1ae158ce1e84427ab37e06494a7ec68/FLAGd081da089 [2024-10-13 02:22:33,438 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e2dec9d7/e1ae158ce1e84427ab37e06494a7ec68 [2024-10-13 02:22:33,441 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 02:22:33,442 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 02:22:33,443 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 02:22:33,443 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 02:22:33,449 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 02:22:33,450 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 02:22:33" (1/1) ... [2024-10-13 02:22:33,451 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e618cb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:22:33, skipping insertion in model container [2024-10-13 02:22:33,451 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 02:22:33" (1/1) ... [2024-10-13 02:22:33,488 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 02:22:33,680 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-58.i[919,932] [2024-10-13 02:22:33,798 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 02:22:33,817 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 02:22:33,837 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-58.i[919,932] [2024-10-13 02:22:33,882 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 02:22:33,911 INFO L204 MainTranslator]: Completed translation [2024-10-13 02:22:33,912 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:22:33 WrapperNode [2024-10-13 02:22:33,912 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 02:22:33,913 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 02:22:33,914 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 02:22:33,914 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 02:22:33,922 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:22:33" (1/1) ... [2024-10-13 02:22:33,952 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:22:33" (1/1) ... [2024-10-13 02:22:34,006 INFO L138 Inliner]: procedures = 26, calls = 56, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 272 [2024-10-13 02:22:34,007 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 02:22:34,008 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 02:22:34,008 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 02:22:34,008 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 02:22:34,019 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:22:33" (1/1) ... [2024-10-13 02:22:34,020 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:22:33" (1/1) ... [2024-10-13 02:22:34,024 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:22:33" (1/1) ... [2024-10-13 02:22:34,058 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]. [2024-10-13 02:22:34,061 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:22:33" (1/1) ... [2024-10-13 02:22:34,061 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:22:33" (1/1) ... [2024-10-13 02:22:34,077 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:22:33" (1/1) ... [2024-10-13 02:22:34,083 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:22:33" (1/1) ... [2024-10-13 02:22:34,089 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:22:33" (1/1) ... [2024-10-13 02:22:34,092 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:22:33" (1/1) ... [2024-10-13 02:22:34,101 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 02:22:34,104 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 02:22:34,104 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 02:22:34,105 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 02:22:34,107 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:22:33" (1/1) ... [2024-10-13 02:22:34,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 02:22:34,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 02:22:34,143 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) [2024-10-13 02:22:34,145 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 [2024-10-13 02:22:34,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 02:22:34,214 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-13 02:22:34,214 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-13 02:22:34,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 02:22:34,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 02:22:34,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 02:22:34,333 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 02:22:34,336 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 02:22:34,821 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-10-13 02:22:34,821 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 02:22:34,868 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 02:22:34,868 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-13 02:22:34,869 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 02:22:34 BoogieIcfgContainer [2024-10-13 02:22:34,869 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 02:22:34,871 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 02:22:34,871 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 02:22:34,874 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 02:22:34,875 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 02:22:33" (1/3) ... [2024-10-13 02:22:34,875 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69e03c4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 02:22:34, skipping insertion in model container [2024-10-13 02:22:34,875 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:22:33" (2/3) ... [2024-10-13 02:22:34,876 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69e03c4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 02:22:34, skipping insertion in model container [2024-10-13 02:22:34,876 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 02:22:34" (3/3) ... [2024-10-13 02:22:34,878 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-cn_file-58.i [2024-10-13 02:22:34,893 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 02:22:34,894 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-13 02:22:34,972 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 02:22:34,979 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;@c92ed43, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 02:22:34,980 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-13 02:22:34,986 INFO L276 IsEmpty]: Start isEmpty. Operand has 111 states, 65 states have (on average 1.4923076923076923) internal successors, (97), 66 states have internal predecessors, (97), 43 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2024-10-13 02:22:35,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2024-10-13 02:22:35,008 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:22:35,009 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:22:35,010 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:22:35,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:22:35,016 INFO L85 PathProgramCache]: Analyzing trace with hash -1060631782, now seen corresponding path program 1 times [2024-10-13 02:22:35,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:22:35,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706865804] [2024-10-13 02:22:35,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:22:35,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:22:35,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:35,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:22:35,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:35,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:22:35,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:35,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 02:22:35,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:35,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:22:35,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:35,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 02:22:35,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:35,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:22:35,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:35,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 02:22:35,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:35,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:22:35,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:35,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 02:22:35,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:35,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:22:35,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:35,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 02:22:35,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:35,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:22:35,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:35,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 02:22:35,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:35,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:22:35,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:35,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 02:22:35,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:35,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 02:22:35,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:35,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 02:22:35,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:35,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 02:22:35,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:35,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 02:22:35,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:35,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 02:22:35,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:35,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 02:22:35,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:35,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 02:22:35,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:35,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 02:22:35,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:35,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 02:22:35,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:35,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 02:22:35,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:35,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 02:22:35,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:35,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 02:22:35,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:35,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 02:22:35,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:35,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 02:22:35,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:35,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 02:22:35,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:35,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 02:22:35,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:35,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 02:22:35,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:35,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-13 02:22:35,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:35,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-13 02:22:35,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:35,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-13 02:22:35,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:35,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-13 02:22:35,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:35,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-13 02:22:35,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:35,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-13 02:22:35,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:35,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-13 02:22:35,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:35,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-13 02:22:35,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:35,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-13 02:22:35,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:35,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-13 02:22:35,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:35,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-13 02:22:35,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:35,717 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2024-10-13 02:22:35,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:22:35,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706865804] [2024-10-13 02:22:35,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706865804] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:22:35,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:22:35,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 02:22:35,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840519240] [2024-10-13 02:22:35,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:22:35,730 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-13 02:22:35,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:22:35,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-13 02:22:35,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 02:22:35,759 INFO L87 Difference]: Start difference. First operand has 111 states, 65 states have (on average 1.4923076923076923) internal successors, (97), 66 states have internal predecessors, (97), 43 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) Second operand has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 2 states have call successors, (43) [2024-10-13 02:22:35,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:22:35,823 INFO L93 Difference]: Finished difference Result 219 states and 407 transitions. [2024-10-13 02:22:35,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-13 02:22:35,827 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 2 states have call successors, (43) Word has length 259 [2024-10-13 02:22:35,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:22:35,838 INFO L225 Difference]: With dead ends: 219 [2024-10-13 02:22:35,840 INFO L226 Difference]: Without dead ends: 109 [2024-10-13 02:22:35,846 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 02:22:35,850 INFO L432 NwaCegarLoop]: 175 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, 175 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 [2024-10-13 02:22:35,851 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 175 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 02:22:35,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-10-13 02:22:35,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2024-10-13 02:22:35,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 64 states have (on average 1.4375) internal successors, (92), 64 states have internal predecessors, (92), 43 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2024-10-13 02:22:35,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 178 transitions. [2024-10-13 02:22:35,923 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 178 transitions. Word has length 259 [2024-10-13 02:22:35,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:22:35,923 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 178 transitions. [2024-10-13 02:22:35,924 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 2 states have call successors, (43) [2024-10-13 02:22:35,924 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 178 transitions. [2024-10-13 02:22:35,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2024-10-13 02:22:35,930 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:22:35,930 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:22:35,930 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 02:22:35,931 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:22:35,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:22:35,932 INFO L85 PathProgramCache]: Analyzing trace with hash -168098528, now seen corresponding path program 1 times [2024-10-13 02:22:35,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:22:35,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234539561] [2024-10-13 02:22:35,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:22:35,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:22:36,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat