./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-10.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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 ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-10.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 eed477ccc68b44369a2767c3ea5b70be7a75a8c2370f374d3c3760022cb8d072 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 05:01:49,167 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 05:01:49,245 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-10 05:01:49,251 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 05:01:49,252 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 05:01:49,287 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 05:01:49,289 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 05:01:49,290 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 05:01:49,291 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 05:01:49,291 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 05:01:49,292 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 05:01:49,292 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 05:01:49,293 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 05:01:49,295 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 05:01:49,296 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 05:01:49,296 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 05:01:49,296 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 05:01:49,296 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 05:01:49,297 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 05:01:49,297 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 05:01:49,297 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 05:01:49,300 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 05:01:49,300 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 05:01:49,300 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 05:01:49,301 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 05:01:49,301 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 05:01:49,301 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 05:01:49,302 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 05:01:49,302 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 05:01:49,302 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 05:01:49,303 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 05:01:49,303 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 05:01:49,303 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 05:01:49,304 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 05:01:49,304 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 05:01:49,304 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 05:01:49,304 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 05:01:49,305 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 05:01:49,305 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 05:01:49,305 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 05:01:49,306 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 05:01:49,306 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 05:01:49,306 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eed477ccc68b44369a2767c3ea5b70be7a75a8c2370f374d3c3760022cb8d072 [2024-11-10 05:01:49,605 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 05:01:49,634 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 05:01:49,639 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 05:01:49,640 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 05:01:49,641 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 05:01:49,642 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-10.i [2024-11-10 05:01:51,191 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 05:01:51,417 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 05:01:51,418 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-10.i [2024-11-10 05:01:51,432 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d732e8f8/9ef55cfaf36848958554dadf75d3455b/FLAGc29080a50 [2024-11-10 05:01:51,456 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d732e8f8/9ef55cfaf36848958554dadf75d3455b [2024-11-10 05:01:51,459 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 05:01:51,462 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 05:01:51,465 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 05:01:51,466 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 05:01:51,472 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 05:01:51,473 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:01:51" (1/1) ... [2024-11-10 05:01:51,474 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3da6335c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:01:51, skipping insertion in model container [2024-11-10 05:01:51,474 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:01:51" (1/1) ... [2024-11-10 05:01:51,508 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 05:01:51,706 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_fillercodestructure_filler-pe-cn_file-10.i[919,932] [2024-11-10 05:01:51,841 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 05:01:51,859 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 05:01:51,874 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_fillercodestructure_filler-pe-cn_file-10.i[919,932] [2024-11-10 05:01:51,923 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 05:01:51,946 INFO L204 MainTranslator]: Completed translation [2024-11-10 05:01:51,947 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:01:51 WrapperNode [2024-11-10 05:01:51,947 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 05:01:51,948 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 05:01:51,948 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 05:01:51,949 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 05:01:51,955 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:01:51" (1/1) ... [2024-11-10 05:01:51,969 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:01:51" (1/1) ... [2024-11-10 05:01:52,029 INFO L138 Inliner]: procedures = 26, calls = 61, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 336 [2024-11-10 05:01:52,030 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 05:01:52,031 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 05:01:52,031 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 05:01:52,031 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 05:01:52,046 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:01:51" (1/1) ... [2024-11-10 05:01:52,046 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:01:51" (1/1) ... [2024-11-10 05:01:52,055 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:01:51" (1/1) ... [2024-11-10 05:01:52,095 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]. [2024-11-10 05:01:52,095 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:01:51" (1/1) ... [2024-11-10 05:01:52,095 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:01:51" (1/1) ... [2024-11-10 05:01:52,109 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:01:51" (1/1) ... [2024-11-10 05:01:52,112 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:01:51" (1/1) ... [2024-11-10 05:01:52,117 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:01:51" (1/1) ... [2024-11-10 05:01:52,120 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:01:51" (1/1) ... [2024-11-10 05:01:52,129 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 05:01:52,130 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 05:01:52,130 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 05:01:52,130 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 05:01:52,131 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:01:51" (1/1) ... [2024-11-10 05:01:52,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 05:01:52,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 05:01:52,183 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) [2024-11-10 05:01:52,186 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 [2024-11-10 05:01:52,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 05:01:52,236 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 05:01:52,237 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 05:01:52,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 05:01:52,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 05:01:52,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 05:01:52,392 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 05:01:52,394 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 05:01:52,964 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L223: havoc property_#t~bitwise38#1;havoc property_#t~ite40#1;havoc property_#t~bitwise39#1;havoc property_#t~short41#1; [2024-11-10 05:01:53,026 INFO L? ?]: Removed 34 outVars from TransFormulas that were not future-live. [2024-11-10 05:01:53,026 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 05:01:53,057 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 05:01:53,059 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 05:01:53,060 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 05:01:53 BoogieIcfgContainer [2024-11-10 05:01:53,061 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 05:01:53,064 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 05:01:53,064 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 05:01:53,067 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 05:01:53,069 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 05:01:51" (1/3) ... [2024-11-10 05:01:53,070 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64706f1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 05:01:53, skipping insertion in model container [2024-11-10 05:01:53,070 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:01:51" (2/3) ... [2024-11-10 05:01:53,071 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64706f1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 05:01:53, skipping insertion in model container [2024-11-10 05:01:53,071 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 05:01:53" (3/3) ... [2024-11-10 05:01:53,073 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-cn_file-10.i [2024-11-10 05:01:53,093 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 05:01:53,094 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 05:01:53,172 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 05:01:53,179 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;@22d63d54, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 05:01:53,179 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 05:01:53,184 INFO L276 IsEmpty]: Start isEmpty. Operand has 150 states, 99 states have (on average 1.404040404040404) internal successors, (139), 100 states have internal predecessors, (139), 48 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-10 05:01:53,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2024-11-10 05:01:53,203 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:01:53,204 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 05:01:53,204 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:01:53,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:01:53,209 INFO L85 PathProgramCache]: Analyzing trace with hash 209407372, now seen corresponding path program 1 times [2024-11-10 05:01:53,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:01:53,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792223184] [2024-11-10 05:01:53,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:01:53,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:01:53,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:53,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 05:01:53,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:53,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 05:01:53,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:53,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 05:01:53,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:53,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 05:01:53,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:53,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 05:01:53,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:53,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 05:01:53,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:53,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 05:01:53,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:53,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 05:01:53,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:53,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 05:01:53,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:53,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 05:01:53,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:53,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 05:01:53,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:53,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 05:01:53,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:53,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 05:01:53,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:53,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 05:01:53,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:53,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 05:01:53,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:53,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 05:01:53,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:53,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 05:01:53,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:53,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 05:01:53,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:53,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 05:01:53,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:53,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 05:01:53,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:53,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 05:01:53,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:53,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 05:01:53,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:53,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 05:01:53,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:53,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 05:01:53,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:53,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-10 05:01:53,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:53,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-10 05:01:53,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:53,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-10 05:01:53,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:53,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-10 05:01:53,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:53,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-10 05:01:53,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:53,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-10 05:01:53,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:53,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-10 05:01:53,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:53,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-10 05:01:53,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:53,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-10 05:01:53,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:53,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-10 05:01:53,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:53,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-10 05:01:53,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:53,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-10 05:01:53,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:53,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-10 05:01:53,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:54,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-10 05:01:54,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:54,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-10 05:01:54,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:54,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-10 05:01:54,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:54,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-10 05:01:54,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:54,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-10 05:01:54,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:54,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-10 05:01:54,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:54,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-10 05:01:54,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:54,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-10 05:01:54,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:54,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-10 05:01:54,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:54,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-11-10 05:01:54,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:54,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-10 05:01:54,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:54,070 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-11-10 05:01:54,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 05:01:54,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792223184] [2024-11-10 05:01:54,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792223184] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 05:01:54,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 05:01:54,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 05:01:54,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811795868] [2024-11-10 05:01:54,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 05:01:54,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 05:01:54,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 05:01:54,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 05:01:54,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 05:01:54,123 INFO L87 Difference]: Start difference. First operand has 150 states, 99 states have (on average 1.404040404040404) internal successors, (139), 100 states have internal predecessors, (139), 48 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) Second operand has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) [2024-11-10 05:01:54,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 05:01:54,192 INFO L93 Difference]: Finished difference Result 292 states and 511 transitions. [2024-11-10 05:01:54,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 05:01:54,195 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) Word has length 297 [2024-11-10 05:01:54,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 05:01:54,210 INFO L225 Difference]: With dead ends: 292 [2024-11-10 05:01:54,210 INFO L226 Difference]: Without dead ends: 145 [2024-11-10 05:01:54,217 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 05:01:54,223 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 05:01:54,224 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 219 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 05:01:54,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2024-11-10 05:01:54,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2024-11-10 05:01:54,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 95 states have (on average 1.3789473684210527) internal successors, (131), 95 states have internal predecessors, (131), 48 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-10 05:01:54,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 227 transitions. [2024-11-10 05:01:54,304 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 227 transitions. Word has length 297 [2024-11-10 05:01:54,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 05:01:54,304 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 227 transitions. [2024-11-10 05:01:54,305 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) [2024-11-10 05:01:54,305 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 227 transitions. [2024-11-10 05:01:54,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2024-11-10 05:01:54,312 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:01:54,312 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 05:01:54,312 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 05:01:54,313 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:01:54,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:01:54,314 INFO L85 PathProgramCache]: Analyzing trace with hash -1389679352, now seen corresponding path program 1 times [2024-11-10 05:01:54,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:01:54,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010964077] [2024-11-10 05:01:54,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:01:54,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:01:54,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:55,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 05:01:55,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:55,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 05:01:55,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:55,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 05:01:55,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:55,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 05:01:55,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:55,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 05:01:55,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:55,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 05:01:55,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:55,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 05:01:55,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:55,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 05:01:55,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:55,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 05:01:55,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:55,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 05:01:55,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:55,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 05:01:55,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:55,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 05:01:55,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:55,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 05:01:55,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:55,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 05:01:55,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:55,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 05:01:55,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:55,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 05:01:55,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:55,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 05:01:55,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:55,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 05:01:55,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:55,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 05:01:55,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:55,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 05:01:55,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:55,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 05:01:55,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:55,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 05:01:55,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:55,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 05:01:55,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:55,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 05:01:55,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:55,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-10 05:01:55,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:55,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-10 05:01:55,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:55,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-10 05:01:55,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:55,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-10 05:01:55,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:55,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-10 05:01:55,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:55,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-10 05:01:55,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:55,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-10 05:01:55,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:55,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-10 05:01:55,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:55,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-10 05:01:55,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:55,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-10 05:01:55,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:55,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-10 05:01:55,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:55,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-10 05:01:55,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:55,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-10 05:01:55,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:55,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-10 05:01:55,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:55,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-10 05:01:55,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:55,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-10 05:01:55,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:55,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-10 05:01:55,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:55,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-10 05:01:55,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:55,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-10 05:01:55,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:55,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-10 05:01:55,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:55,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-10 05:01:55,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:55,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-10 05:01:55,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:55,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-11-10 05:01:55,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:55,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-10 05:01:55,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:55,389 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-11-10 05:01:55,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 05:01:55,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010964077] [2024-11-10 05:01:55,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010964077] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 05:01:55,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 05:01:55,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 05:01:55,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404947683] [2024-11-10 05:01:55,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 05:01:55,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 05:01:55,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 05:01:55,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 05:01:55,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 05:01:55,400 INFO L87 Difference]: Start difference. First operand 145 states and 227 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-11-10 05:01:55,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 05:01:55,811 INFO L93 Difference]: Finished difference Result 431 states and 677 transitions. [2024-11-10 05:01:55,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 05:01:55,812 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) Word has length 297 [2024-11-10 05:01:55,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 05:01:55,820 INFO L225 Difference]: With dead ends: 431 [2024-11-10 05:01:55,822 INFO L226 Difference]: Without dead ends: 289 [2024-11-10 05:01:55,824 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 05:01:55,827 INFO L432 NwaCegarLoop]: 215 mSDtfsCounter, 136 mSDsluCounter, 419 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 145 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 634 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 145 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 05:01:55,828 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 634 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [145 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 05:01:55,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2024-11-10 05:01:55,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 227. [2024-11-10 05:01:55,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 128 states have (on average 1.28125) internal successors, (164), 128 states have internal predecessors, (164), 96 states have call successors, (96), 2 states have call predecessors, (96), 2 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2024-11-10 05:01:55,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 356 transitions. [2024-11-10 05:01:55,868 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 356 transitions. Word has length 297 [2024-11-10 05:01:55,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 05:01:55,869 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 356 transitions. [2024-11-10 05:01:55,869 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-11-10 05:01:55,869 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 356 transitions. [2024-11-10 05:01:55,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2024-11-10 05:01:55,876 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:01:55,876 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 05:01:55,877 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 05:01:55,877 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:01:55,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:01:55,878 INFO L85 PathProgramCache]: Analyzing trace with hash 1304951828, now seen corresponding path program 1 times [2024-11-10 05:01:55,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:01:55,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222463673] [2024-11-10 05:01:55,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:01:55,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:01:56,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:02:53,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 05:02:53,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:02:53,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 05:02:53,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:02:53,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 05:02:53,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:02:53,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 05:02:53,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:02:53,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 05:02:53,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:02:53,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 05:02:53,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:02:53,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 05:02:53,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:02:53,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 05:02:53,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:02:53,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 05:02:53,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:02:53,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 05:02:53,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:02:53,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 05:02:53,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:02:53,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 05:02:53,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:02:53,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 05:02:53,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:02:53,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 05:02:53,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:02:53,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 05:02:53,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:02:53,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 05:02:53,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:02:53,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 05:02:53,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:02:53,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 05:02:53,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:02:53,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 05:02:53,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:02:53,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 05:02:53,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:02:53,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 05:02:53,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:02:53,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 05:02:53,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:02:53,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 05:02:53,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:02:53,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 05:02:53,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:02:54,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-10 05:02:54,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:02:54,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-10 05:02:54,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:02:54,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-10 05:02:54,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:02:54,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-10 05:02:54,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:02:54,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-10 05:02:54,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:02:54,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-10 05:02:54,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:02:54,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-10 05:02:54,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:02:54,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-10 05:02:54,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:02:54,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-10 05:02:54,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:02:54,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-10 05:02:54,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:02:54,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-10 05:02:54,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:02:54,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-10 05:02:54,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:02:54,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-10 05:02:54,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:02:54,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-10 05:02:54,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:02:54,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-10 05:02:54,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:02:54,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-10 05:02:54,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:02:54,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-10 05:02:54,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:02:54,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-10 05:02:54,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:02:54,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-10 05:02:54,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:02:54,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-10 05:02:54,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:02:54,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-10 05:02:54,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:02:54,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-10 05:02:54,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:02:54,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-11-10 05:02:54,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:02:54,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-10 05:02:54,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:02:54,214 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-11-10 05:02:54,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 05:02:54,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222463673] [2024-11-10 05:02:54,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222463673] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 05:02:54,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 05:02:54,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-10 05:02:54,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938145341] [2024-11-10 05:02:54,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 05:02:54,219 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-10 05:02:54,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 05:02:54,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-10 05:02:54,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2024-11-10 05:02:54,221 INFO L87 Difference]: Start difference. First operand 227 states and 356 transitions. Second operand has 17 states, 17 states have (on average 3.588235294117647) internal successors, (61), 17 states have internal predecessors, (61), 3 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2024-11-10 05:02:57,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 05:02:57,731 INFO L93 Difference]: Finished difference Result 779 states and 1213 transitions. [2024-11-10 05:02:57,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-10 05:02:57,731 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.588235294117647) internal successors, (61), 17 states have internal predecessors, (61), 3 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) Word has length 298 [2024-11-10 05:02:57,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 05:02:57,738 INFO L225 Difference]: With dead ends: 779 [2024-11-10 05:02:57,738 INFO L226 Difference]: Without dead ends: 637 [2024-11-10 05:02:57,740 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=218, Invalid=594, Unknown=0, NotChecked=0, Total=812 [2024-11-10 05:02:57,742 INFO L432 NwaCegarLoop]: 261 mSDtfsCounter, 1885 mSDsluCounter, 1675 mSDsCounter, 0 mSdLazyCounter, 1315 mSolverCounterSat, 269 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1885 SdHoareTripleChecker+Valid, 1936 SdHoareTripleChecker+Invalid, 1584 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 269 IncrementalHoareTripleChecker+Valid, 1315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-10 05:02:57,744 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1885 Valid, 1936 Invalid, 1584 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [269 Valid, 1315 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-10 05:02:57,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2024-11-10 05:02:57,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 414. [2024-11-10 05:02:57,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 414 states, 265 states have (on average 1.3622641509433961) internal successors, (361), 266 states have internal predecessors, (361), 144 states have call successors, (144), 4 states have call predecessors, (144), 4 states have return successors, (144), 143 states have call predecessors, (144), 144 states have call successors, (144) [2024-11-10 05:02:57,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 649 transitions. [2024-11-10 05:02:57,853 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 649 transitions. Word has length 298 [2024-11-10 05:02:57,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 05:02:57,854 INFO L471 AbstractCegarLoop]: Abstraction has 414 states and 649 transitions. [2024-11-10 05:02:57,855 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.588235294117647) internal successors, (61), 17 states have internal predecessors, (61), 3 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2024-11-10 05:02:57,855 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 649 transitions. [2024-11-10 05:02:57,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2024-11-10 05:02:57,859 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:02:57,859 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 05:02:57,860 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 05:02:57,860 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:02:57,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:02:57,861 INFO L85 PathProgramCache]: Analyzing trace with hash 1637193171, now seen corresponding path program 1 times [2024-11-10 05:02:57,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:02:57,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210594257] [2024-11-10 05:02:57,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:02:57,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:02:58,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat