./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_fillercodesize_ps-cn-10_file-98.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 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_fillercodesize_ps-cn-10_file-98.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 ef3f80dbce2a0d59766bea7518e67e61253348fa2b3f55b74bdadd0ec3de1b7c --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 03:19:04,672 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 03:19:04,756 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-20 03:19:04,763 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 03:19:04,763 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 03:19:04,802 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 03:19:04,804 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 03:19:04,805 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 03:19:04,806 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 03:19:04,807 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 03:19:04,807 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 03:19:04,807 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 03:19:04,808 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 03:19:04,808 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 03:19:04,810 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 03:19:04,811 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 03:19:04,811 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 03:19:04,811 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 03:19:04,811 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 03:19:04,812 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 03:19:04,812 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 03:19:04,816 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 03:19:04,816 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 03:19:04,816 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 03:19:04,816 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 03:19:04,817 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 03:19:04,817 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 03:19:04,817 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 03:19:04,817 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 03:19:04,818 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 03:19:04,818 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 03:19:04,818 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 03:19:04,818 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 03:19:04,819 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 03:19:04,819 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 03:19:04,819 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 03:19:04,819 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 03:19:04,819 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 03:19:04,820 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 03:19:04,820 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 03:19:04,820 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 03:19:04,821 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 03:19:04,821 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef3f80dbce2a0d59766bea7518e67e61253348fa2b3f55b74bdadd0ec3de1b7c [2024-11-20 03:19:05,056 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 03:19:05,078 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 03:19:05,081 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 03:19:05,082 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 03:19:05,083 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 03:19:05,084 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-98.i [2024-11-20 03:19:06,512 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 03:19:06,737 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 03:19:06,738 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-98.i [2024-11-20 03:19:06,750 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8655a87cd/1535ca7e650148bc8189ca2c211bcc31/FLAG4d0bb882e [2024-11-20 03:19:06,768 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8655a87cd/1535ca7e650148bc8189ca2c211bcc31 [2024-11-20 03:19:06,770 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 03:19:06,773 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 03:19:06,776 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 03:19:06,776 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 03:19:06,782 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 03:19:06,782 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:19:06" (1/1) ... [2024-11-20 03:19:06,783 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fa43159 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:19:06, skipping insertion in model container [2024-11-20 03:19:06,784 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:19:06" (1/1) ... [2024-11-20 03:19:06,818 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 03:19:06,997 WARN L250 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_fillercodesize_ps-cn-10_file-98.i[915,928] [2024-11-20 03:19:07,074 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 03:19:07,086 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 03:19:07,096 WARN L250 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_fillercodesize_ps-cn-10_file-98.i[915,928] [2024-11-20 03:19:07,145 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 03:19:07,169 INFO L204 MainTranslator]: Completed translation [2024-11-20 03:19:07,170 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:19:07 WrapperNode [2024-11-20 03:19:07,170 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 03:19:07,171 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 03:19:07,171 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 03:19:07,172 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 03:19:07,178 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:19:07" (1/1) ... [2024-11-20 03:19:07,187 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:19:07" (1/1) ... [2024-11-20 03:19:07,222 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 205 [2024-11-20 03:19:07,222 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 03:19:07,223 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 03:19:07,223 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 03:19:07,224 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 03:19:07,237 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:19:07" (1/1) ... [2024-11-20 03:19:07,237 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:19:07" (1/1) ... [2024-11-20 03:19:07,245 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:19:07" (1/1) ... [2024-11-20 03:19:07,275 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-20 03:19:07,275 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:19:07" (1/1) ... [2024-11-20 03:19:07,275 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:19:07" (1/1) ... [2024-11-20 03:19:07,288 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:19:07" (1/1) ... [2024-11-20 03:19:07,295 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:19:07" (1/1) ... [2024-11-20 03:19:07,297 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:19:07" (1/1) ... [2024-11-20 03:19:07,303 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:19:07" (1/1) ... [2024-11-20 03:19:07,311 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 03:19:07,312 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 03:19:07,312 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 03:19:07,312 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 03:19:07,313 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:19:07" (1/1) ... [2024-11-20 03:19:07,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 03:19:07,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 03:19:07,348 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-20 03:19:07,351 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-20 03:19:07,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 03:19:07,401 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 03:19:07,403 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 03:19:07,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 03:19:07,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 03:19:07,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 03:19:07,499 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 03:19:07,501 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 03:19:07,908 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-20 03:19:07,909 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 03:19:07,924 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 03:19:07,925 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 03:19:07,925 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:19:07 BoogieIcfgContainer [2024-11-20 03:19:07,925 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 03:19:07,929 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 03:19:07,930 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 03:19:07,933 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 03:19:07,933 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 03:19:06" (1/3) ... [2024-11-20 03:19:07,934 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d0b9bbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 03:19:07, skipping insertion in model container [2024-11-20 03:19:07,935 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:19:07" (2/3) ... [2024-11-20 03:19:07,935 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d0b9bbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 03:19:07, skipping insertion in model container [2024-11-20 03:19:07,935 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:19:07" (3/3) ... [2024-11-20 03:19:07,937 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-98.i [2024-11-20 03:19:07,954 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 03:19:07,954 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 03:19:08,032 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 03:19:08,040 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;@43a99844, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 03:19:08,040 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 03:19:08,045 INFO L276 IsEmpty]: Start isEmpty. Operand has 86 states, 52 states have (on average 1.3653846153846154) internal successors, (71), 53 states have internal predecessors, (71), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-20 03:19:08,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-20 03:19:08,063 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 03:19:08,064 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 03:19:08,065 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 03:19:08,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 03:19:08,073 INFO L85 PathProgramCache]: Analyzing trace with hash 1832173944, now seen corresponding path program 1 times [2024-11-20 03:19:08,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 03:19:08,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677435227] [2024-11-20 03:19:08,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 03:19:08,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 03:19:08,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:19:09,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 03:19:09,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:19:09,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 03:19:09,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:19:09,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-20 03:19:09,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:19:09,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 03:19:09,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:19:09,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-20 03:19:09,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:19:09,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-20 03:19:09,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:19:09,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 03:19:09,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:19:09,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 03:19:09,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:19:09,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 03:19:09,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:19:09,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 03:19:09,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:19:09,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 03:19:09,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:19:09,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 03:19:09,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:19:09,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 03:19:09,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:19:09,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 03:19:09,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:19:09,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 03:19:09,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:19:09,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 03:19:09,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:19:09,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 03:19:09,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:19:09,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 03:19:09,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:19:09,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 03:19:09,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:19:09,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 03:19:09,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:19:09,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 03:19:09,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:19:09,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 03:19:09,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:19:09,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 03:19:09,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:19:09,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 03:19:09,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:19:09,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 03:19:09,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:19:09,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-20 03:19:09,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:19:09,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 03:19:09,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:19:09,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-20 03:19:09,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:19:09,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 03:19:09,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:19:09,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-20 03:19:09,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:19:09,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 03:19:09,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:19:09,470 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-20 03:19:09,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 03:19:09,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677435227] [2024-11-20 03:19:09,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677435227] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 03:19:09,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 03:19:09,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 03:19:09,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980364109] [2024-11-20 03:19:09,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 03:19:09,481 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 03:19:09,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 03:19:09,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 03:19:09,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 03:19:09,519 INFO L87 Difference]: Start difference. First operand has 86 states, 52 states have (on average 1.3653846153846154) internal successors, (71), 53 states have internal predecessors, (71), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-20 03:19:09,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 03:19:09,659 INFO L93 Difference]: Finished difference Result 221 states and 413 transitions. [2024-11-20 03:19:09,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 03:19:09,663 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 193 [2024-11-20 03:19:09,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 03:19:09,677 INFO L225 Difference]: With dead ends: 221 [2024-11-20 03:19:09,678 INFO L226 Difference]: Without dead ends: 138 [2024-11-20 03:19:09,683 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 03:19:09,689 INFO L432 NwaCegarLoop]: 194 mSDtfsCounter, 118 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 03:19:09,690 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 282 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 03:19:09,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2024-11-20 03:19:09,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 82. [2024-11-20 03:19:09,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 49 states have (on average 1.2857142857142858) internal successors, (63), 49 states have internal predecessors, (63), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-20 03:19:09,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 125 transitions. [2024-11-20 03:19:09,755 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 125 transitions. Word has length 193 [2024-11-20 03:19:09,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 03:19:09,759 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 125 transitions. [2024-11-20 03:19:09,759 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-20 03:19:09,759 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 125 transitions. [2024-11-20 03:19:09,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-20 03:19:09,766 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 03:19:09,767 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 03:19:09,767 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 03:19:09,768 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 03:19:09,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 03:19:09,768 INFO L85 PathProgramCache]: Analyzing trace with hash 2090339382, now seen corresponding path program 1 times [2024-11-20 03:19:09,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 03:19:09,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993642607] [2024-11-20 03:19:09,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 03:19:09,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 03:19:09,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:19:17,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 03:19:17,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:19:17,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 03:19:17,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:19:17,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-20 03:19:17,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:19:17,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 03:19:17,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:19:17,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-20 03:19:17,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:19:17,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-20 03:19:17,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:19:17,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 03:19:17,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:19:17,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 03:19:17,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:19:17,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 03:19:17,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:19:17,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 03:19:17,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:19:17,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 03:19:17,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:19:17,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 03:19:17,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:19:17,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 03:19:17,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:19:17,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 03:19:17,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:19:17,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 03:19:17,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:19:17,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 03:19:17,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:19:17,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 03:19:17,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:19:17,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 03:19:17,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:19:17,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 03:19:17,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:19:17,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 03:19:17,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:19:17,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 03:19:17,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:19:17,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 03:19:17,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:19:17,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 03:19:17,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:19:17,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 03:19:17,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:19:17,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 03:19:17,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:19:17,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-20 03:19:17,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:19:17,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 03:19:17,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:19:17,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-20 03:19:17,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:19:17,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 03:19:17,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:19:17,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-20 03:19:17,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:19:17,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 03:19:17,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:19:17,715 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-20 03:19:17,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 03:19:17,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993642607] [2024-11-20 03:19:17,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [993642607] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 03:19:17,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 03:19:17,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 03:19:17,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886456758] [2024-11-20 03:19:17,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 03:19:17,720 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 03:19:17,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 03:19:17,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 03:19:17,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-20 03:19:17,724 INFO L87 Difference]: Start difference. First operand 82 states and 125 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-20 03:19:18,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 03:19:18,436 INFO L93 Difference]: Finished difference Result 341 states and 522 transitions. [2024-11-20 03:19:18,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 03:19:18,437 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 193 [2024-11-20 03:19:18,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 03:19:18,444 INFO L225 Difference]: With dead ends: 341 [2024-11-20 03:19:18,444 INFO L226 Difference]: Without dead ends: 262 [2024-11-20 03:19:18,446 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-20 03:19:18,450 INFO L432 NwaCegarLoop]: 194 mSDtfsCounter, 319 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 319 SdHoareTripleChecker+Valid, 440 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-20 03:19:18,450 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [319 Valid, 440 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-20 03:19:18,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2024-11-20 03:19:18,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 199. [2024-11-20 03:19:18,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 115 states have (on average 1.2608695652173914) internal successors, (145), 116 states have internal predecessors, (145), 80 states have call successors, (80), 3 states have call predecessors, (80), 3 states have return successors, (80), 79 states have call predecessors, (80), 80 states have call successors, (80) [2024-11-20 03:19:18,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 305 transitions. [2024-11-20 03:19:18,514 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 305 transitions. Word has length 193 [2024-11-20 03:19:18,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 03:19:18,515 INFO L471 AbstractCegarLoop]: Abstraction has 199 states and 305 transitions. [2024-11-20 03:19:18,516 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-20 03:19:18,516 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 305 transitions. [2024-11-20 03:19:18,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-20 03:19:18,522 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 03:19:18,522 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 03:19:18,523 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 03:19:18,523 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 03:19:18,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 03:19:18,524 INFO L85 PathProgramCache]: Analyzing trace with hash -429620552, now seen corresponding path program 1 times [2024-11-20 03:19:18,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 03:19:18,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469784847] [2024-11-20 03:19:18,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 03:19:18,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 03:19:18,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat