./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-33.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d 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-ci_file-33.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 2455b112e52a42d84b808fd6137571b9cca3ff5d97324027a8a2378e325a2c67 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 13:48:49,938 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 13:48:50,027 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 13:48:50,031 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 13:48:50,032 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 13:48:50,052 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 13:48:50,053 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 13:48:50,053 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 13:48:50,054 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 13:48:50,054 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 13:48:50,055 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 13:48:50,055 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 13:48:50,055 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 13:48:50,056 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 13:48:50,056 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 13:48:50,057 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 13:48:50,057 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 13:48:50,058 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 13:48:50,058 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 13:48:50,058 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 13:48:50,059 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 13:48:50,063 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 13:48:50,063 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 13:48:50,063 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 13:48:50,063 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 13:48:50,064 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 13:48:50,064 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 13:48:50,064 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 13:48:50,065 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 13:48:50,065 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 13:48:50,065 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 13:48:50,065 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 13:48:50,066 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 13:48:50,069 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 13:48:50,070 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 13:48:50,070 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 13:48:50,071 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 13:48:50,071 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 13:48:50,071 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 13:48:50,071 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 13:48:50,072 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 13:48:50,072 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 13:48:50,072 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2455b112e52a42d84b808fd6137571b9cca3ff5d97324027a8a2378e325a2c67 [2024-11-16 13:48:50,352 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 13:48:50,382 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 13:48:50,384 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 13:48:50,386 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 13:48:50,386 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 13:48:50,388 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-33.i [2024-11-16 13:48:51,940 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 13:48:52,166 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 13:48:52,167 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-33.i [2024-11-16 13:48:52,183 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f11bee24d/b4185a7af6ef4ac3b28a6a9108a53e08/FLAG0c9bcd33b [2024-11-16 13:48:52,205 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f11bee24d/b4185a7af6ef4ac3b28a6a9108a53e08 [2024-11-16 13:48:52,208 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 13:48:52,210 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 13:48:52,215 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 13:48:52,216 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 13:48:52,223 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 13:48:52,224 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 01:48:52" (1/1) ... [2024-11-16 13:48:52,225 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bdaf23c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:48:52, skipping insertion in model container [2024-11-16 13:48:52,225 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 01:48:52" (1/1) ... [2024-11-16 13:48:52,262 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 13:48:52,482 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-ci_file-33.i[919,932] [2024-11-16 13:48:52,582 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 13:48:52,595 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 13:48:52,609 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-ci_file-33.i[919,932] [2024-11-16 13:48:52,665 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 13:48:52,696 INFO L204 MainTranslator]: Completed translation [2024-11-16 13:48:52,696 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:48:52 WrapperNode [2024-11-16 13:48:52,697 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 13:48:52,698 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 13:48:52,699 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 13:48:52,699 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 13:48:52,709 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:48:52" (1/1) ... [2024-11-16 13:48:52,731 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:48:52" (1/1) ... [2024-11-16 13:48:52,780 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 200 [2024-11-16 13:48:52,781 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 13:48:52,781 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 13:48:52,781 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 13:48:52,782 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 13:48:52,796 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:48:52" (1/1) ... [2024-11-16 13:48:52,796 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:48:52" (1/1) ... [2024-11-16 13:48:52,803 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:48:52" (1/1) ... [2024-11-16 13:48:52,833 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]. [2024-11-16 13:48:52,834 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:48:52" (1/1) ... [2024-11-16 13:48:52,834 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:48:52" (1/1) ... [2024-11-16 13:48:52,845 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:48:52" (1/1) ... [2024-11-16 13:48:52,846 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:48:52" (1/1) ... [2024-11-16 13:48:52,850 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:48:52" (1/1) ... [2024-11-16 13:48:52,853 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:48:52" (1/1) ... [2024-11-16 13:48:52,862 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 13:48:52,867 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 13:48:52,867 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 13:48:52,871 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 13:48:52,872 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:48:52" (1/1) ... [2024-11-16 13:48:52,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 13:48:52,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 13:48:52,914 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) [2024-11-16 13:48:52,918 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 [2024-11-16 13:48:52,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 13:48:52,976 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 13:48:52,977 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 13:48:52,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 13:48:52,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 13:48:52,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 13:48:53,081 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 13:48:53,085 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 13:48:53,629 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L168: havoc property_#t~ite19#1;havoc property_#t~bitwise18#1; [2024-11-16 13:48:53,657 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-11-16 13:48:53,658 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 13:48:53,685 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 13:48:53,687 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 13:48:53,688 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 01:48:53 BoogieIcfgContainer [2024-11-16 13:48:53,688 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 13:48:53,691 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 13:48:53,692 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 13:48:53,696 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 13:48:53,697 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 01:48:52" (1/3) ... [2024-11-16 13:48:53,697 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51d496fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 01:48:53, skipping insertion in model container [2024-11-16 13:48:53,698 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:48:52" (2/3) ... [2024-11-16 13:48:53,698 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51d496fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 01:48:53, skipping insertion in model container [2024-11-16 13:48:53,698 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 01:48:53" (3/3) ... [2024-11-16 13:48:53,700 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-33.i [2024-11-16 13:48:53,726 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 13:48:53,727 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 13:48:53,821 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 13:48:53,830 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;@42494bee, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 13:48:53,831 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 13:48:53,837 INFO L276 IsEmpty]: Start isEmpty. Operand has 91 states, 62 states have (on average 1.435483870967742) internal successors, (89), 63 states have internal predecessors, (89), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-16 13:48:53,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-16 13:48:53,860 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 13:48:53,861 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 13:48:53,862 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 13:48:53,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 13:48:53,869 INFO L85 PathProgramCache]: Analyzing trace with hash 1734716728, now seen corresponding path program 1 times [2024-11-16 13:48:53,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 13:48:53,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648267768] [2024-11-16 13:48:53,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 13:48:53,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 13:48:54,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:48:54,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 13:48:54,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:48:54,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 13:48:54,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:48:54,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 13:48:54,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:48:54,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-16 13:48:54,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:48:54,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-16 13:48:54,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:48:54,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-16 13:48:54,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:48:54,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 13:48:54,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:48:54,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-16 13:48:54,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:48:54,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 13:48:54,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:48:54,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-16 13:48:54,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:48:54,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-16 13:48:54,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:48:54,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-16 13:48:54,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:48:54,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-16 13:48:54,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:48:54,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 13:48:54,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:48:54,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 13:48:54,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:48:54,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 13:48:54,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:48:54,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 13:48:54,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:48:54,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 13:48:54,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:48:54,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 13:48:54,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:48:54,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 13:48:54,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:48:54,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 13:48:54,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:48:54,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 13:48:54,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:48:54,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 13:48:54,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:48:54,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 13:48:54,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:48:54,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 13:48:54,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:48:54,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 13:48:54,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:48:54,480 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-16 13:48:54,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 13:48:54,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648267768] [2024-11-16 13:48:54,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648267768] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 13:48:54,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 13:48:54,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 13:48:54,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326873128] [2024-11-16 13:48:54,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 13:48:54,491 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 13:48:54,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 13:48:54,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 13:48:54,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 13:48:54,520 INFO L87 Difference]: Start difference. First operand has 91 states, 62 states have (on average 1.435483870967742) internal successors, (89), 63 states have internal predecessors, (89), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-16 13:48:54,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 13:48:54,557 INFO L93 Difference]: Finished difference Result 172 states and 297 transitions. [2024-11-16 13:48:54,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 13:48:54,563 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) Word has length 171 [2024-11-16 13:48:54,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 13:48:54,572 INFO L225 Difference]: With dead ends: 172 [2024-11-16 13:48:54,572 INFO L226 Difference]: Without dead ends: 84 [2024-11-16 13:48:54,576 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 13:48:54,579 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 13:48:54,580 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 123 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 13:48:54,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-11-16 13:48:54,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2024-11-16 13:48:54,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 56 states have (on average 1.3035714285714286) internal successors, (73), 56 states have internal predecessors, (73), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-16 13:48:54,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 125 transitions. [2024-11-16 13:48:54,628 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 125 transitions. Word has length 171 [2024-11-16 13:48:54,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 13:48:54,629 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 125 transitions. [2024-11-16 13:48:54,630 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-16 13:48:54,630 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 125 transitions. [2024-11-16 13:48:54,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-16 13:48:54,634 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 13:48:54,634 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 13:48:54,635 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 13:48:54,635 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 13:48:54,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 13:48:54,636 INFO L85 PathProgramCache]: Analyzing trace with hash 903254040, now seen corresponding path program 1 times [2024-11-16 13:48:54,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 13:48:54,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443208753] [2024-11-16 13:48:54,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 13:48:54,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 13:48:54,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:48:55,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 13:48:55,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:48:55,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 13:48:55,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:48:55,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 13:48:55,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:48:55,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-16 13:48:55,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:48:55,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-16 13:48:55,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:48:55,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-16 13:48:55,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:48:55,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 13:48:55,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:48:55,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-16 13:48:55,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:48:55,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 13:48:55,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:48:55,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-16 13:48:55,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:48:55,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-16 13:48:55,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:48:55,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-16 13:48:55,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:48:55,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-16 13:48:55,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:48:55,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 13:48:55,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:48:55,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 13:48:55,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:48:55,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 13:48:55,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:48:55,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 13:48:55,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:48:55,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 13:48:55,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:48:55,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 13:48:55,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:48:55,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 13:48:55,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:48:55,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 13:48:55,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:48:55,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 13:48:55,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:48:55,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 13:48:55,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:48:55,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 13:48:55,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:48:55,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 13:48:55,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:48:55,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 13:48:55,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:48:55,919 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-16 13:48:55,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 13:48:55,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443208753] [2024-11-16 13:48:55,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443208753] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 13:48:55,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 13:48:55,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 13:48:55,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334435749] [2024-11-16 13:48:55,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 13:48:55,922 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 13:48:55,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 13:48:55,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 13:48:55,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 13:48:55,927 INFO L87 Difference]: Start difference. First operand 84 states and 125 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-16 13:48:56,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 13:48:56,339 INFO L93 Difference]: Finished difference Result 252 states and 378 transitions. [2024-11-16 13:48:56,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 13:48:56,341 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 171 [2024-11-16 13:48:56,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 13:48:56,347 INFO L225 Difference]: With dead ends: 252 [2024-11-16 13:48:56,347 INFO L226 Difference]: Without dead ends: 171 [2024-11-16 13:48:56,348 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-16 13:48:56,349 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 88 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 13:48:56,351 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 309 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 13:48:56,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2024-11-16 13:48:56,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 155. [2024-11-16 13:48:56,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 100 states have (on average 1.3) internal successors, (130), 100 states have internal predecessors, (130), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-16 13:48:56,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 234 transitions. [2024-11-16 13:48:56,406 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 234 transitions. Word has length 171 [2024-11-16 13:48:56,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 13:48:56,407 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 234 transitions. [2024-11-16 13:48:56,408 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-16 13:48:56,408 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 234 transitions. [2024-11-16 13:48:56,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-16 13:48:56,412 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 13:48:56,412 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 13:48:56,413 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 13:48:56,413 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 13:48:56,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 13:48:56,413 INFO L85 PathProgramCache]: Analyzing trace with hash -1110513695, now seen corresponding path program 1 times [2024-11-16 13:48:56,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 13:48:56,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427505906] [2024-11-16 13:48:56,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 13:48:56,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 13:48:56,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:48:56,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 13:48:56,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:48:56,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 13:48:56,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:48:56,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 13:48:56,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:48:56,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-16 13:48:56,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:48:56,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-16 13:48:56,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:48:56,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-16 13:48:56,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:48:56,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 13:48:56,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:48:56,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-16 13:48:56,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:48:56,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 13:48:56,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:48:56,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-16 13:48:56,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:48:56,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-16 13:48:56,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:48:56,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-16 13:48:56,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:48:56,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-16 13:48:56,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:48:56,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 13:48:56,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:48:56,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 13:48:56,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:48:56,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 13:48:56,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:48:56,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 13:48:56,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:48:56,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 13:48:56,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:48:56,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 13:48:56,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:48:56,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 13:48:56,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:48:56,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 13:48:56,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:48:56,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 13:48:56,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:48:56,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 13:48:56,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:48:56,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 13:48:56,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:48:56,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 13:48:56,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:48:56,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 13:48:56,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:48:56,852 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-16 13:48:56,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 13:48:56,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427505906] [2024-11-16 13:48:56,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427505906] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 13:48:56,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 13:48:56,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 13:48:56,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861437071] [2024-11-16 13:48:56,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 13:48:56,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 13:48:56,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 13:48:56,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 13:48:56,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 13:48:56,857 INFO L87 Difference]: Start difference. First operand 155 states and 234 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-16 13:48:57,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 13:48:57,138 INFO L93 Difference]: Finished difference Result 270 states and 403 transitions. [2024-11-16 13:48:57,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 13:48:57,139 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 172 [2024-11-16 13:48:57,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 13:48:57,141 INFO L225 Difference]: With dead ends: 270 [2024-11-16 13:48:57,141 INFO L226 Difference]: Without dead ends: 167 [2024-11-16 13:48:57,146 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-16 13:48:57,149 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 85 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 13:48:57,150 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 314 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 13:48:57,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2024-11-16 13:48:57,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 156. [2024-11-16 13:48:57,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 101 states have (on average 1.2871287128712872) internal successors, (130), 101 states have internal predecessors, (130), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-16 13:48:57,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 234 transitions. [2024-11-16 13:48:57,203 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 234 transitions. Word has length 172 [2024-11-16 13:48:57,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 13:48:57,203 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 234 transitions. [2024-11-16 13:48:57,204 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-16 13:48:57,204 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 234 transitions. [2024-11-16 13:48:57,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-16 13:48:57,210 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 13:48:57,210 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 13:48:57,210 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 13:48:57,211 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 13:48:57,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 13:48:57,211 INFO L85 PathProgramCache]: Analyzing trace with hash 2063596614, now seen corresponding path program 1 times [2024-11-16 13:48:57,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 13:48:57,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594837055] [2024-11-16 13:48:57,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 13:48:57,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 13:48:57,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:49:40,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 13:49:40,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:49:40,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 13:49:40,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:49:40,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 13:49:40,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:49:40,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-16 13:49:40,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:49:40,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-16 13:49:40,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:49:40,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-16 13:49:40,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:49:40,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 13:49:40,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:49:40,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-16 13:49:40,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:49:40,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 13:49:40,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:49:40,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-16 13:49:40,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:49:40,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-16 13:49:40,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:49:40,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-16 13:49:40,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:49:40,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-16 13:49:40,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:49:40,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 13:49:40,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:49:40,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 13:49:40,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:49:40,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 13:49:40,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:49:40,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 13:49:40,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:49:40,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 13:49:40,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:49:40,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 13:49:40,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:49:40,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 13:49:40,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:49:40,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 13:49:40,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:49:40,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 13:49:40,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:49:40,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 13:49:40,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:49:40,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 13:49:40,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:49:40,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 13:49:40,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:49:40,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 13:49:40,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:49:40,309 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-16 13:49:40,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 13:49:40,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594837055] [2024-11-16 13:49:40,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594837055] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 13:49:40,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 13:49:40,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-16 13:49:40,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146734932] [2024-11-16 13:49:40,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 13:49:40,311 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-16 13:49:40,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 13:49:40,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-16 13:49:40,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-16 13:49:40,312 INFO L87 Difference]: Start difference. First operand 156 states and 234 transitions. Second operand has 14 states, 14 states have (on average 3.2857142857142856) internal successors, (46), 14 states have internal predecessors, (46), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-16 13:49:43,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 13:49:43,673 INFO L93 Difference]: Finished difference Result 268 states and 372 transitions. [2024-11-16 13:49:43,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-16 13:49:43,674 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.2857142857142856) internal successors, (46), 14 states have internal predecessors, (46), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 173 [2024-11-16 13:49:43,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 13:49:43,676 INFO L225 Difference]: With dead ends: 268 [2024-11-16 13:49:43,677 INFO L226 Difference]: Without dead ends: 265 [2024-11-16 13:49:43,680 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 56 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=176, Invalid=526, Unknown=0, NotChecked=0, Total=702 [2024-11-16 13:49:43,682 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 505 mSDsluCounter, 557 mSDsCounter, 0 mSdLazyCounter, 811 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 505 SdHoareTripleChecker+Valid, 647 SdHoareTripleChecker+Invalid, 892 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 811 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-16 13:49:43,682 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [505 Valid, 647 Invalid, 892 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 811 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-16 13:49:43,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2024-11-16 13:49:43,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 178. [2024-11-16 13:49:43,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 123 states have (on average 1.2926829268292683) internal successors, (159), 123 states have internal predecessors, (159), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-16 13:49:43,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 263 transitions. [2024-11-16 13:49:43,721 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 263 transitions. Word has length 173 [2024-11-16 13:49:43,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 13:49:43,722 INFO L471 AbstractCegarLoop]: Abstraction has 178 states and 263 transitions. [2024-11-16 13:49:43,722 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.2857142857142856) internal successors, (46), 14 states have internal predecessors, (46), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-16 13:49:43,723 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 263 transitions. [2024-11-16 13:49:43,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-16 13:49:43,728 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 13:49:43,728 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 13:49:43,729 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 13:49:43,729 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 13:49:43,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 13:49:43,730 INFO L85 PathProgramCache]: Analyzing trace with hash 1066524261, now seen corresponding path program 1 times [2024-11-16 13:49:43,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 13:49:43,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583013895] [2024-11-16 13:49:43,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 13:49:43,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 13:49:43,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:49:47,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 13:49:47,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:49:47,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 13:49:47,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:49:47,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 13:49:47,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:49:47,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-16 13:49:47,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:49:47,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-16 13:49:47,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:49:47,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-16 13:49:47,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:49:47,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 13:49:47,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:49:47,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-16 13:49:47,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:49:47,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 13:49:47,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:49:47,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-16 13:49:47,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:49:47,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-16 13:49:47,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:49:47,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-16 13:49:47,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:49:47,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-16 13:49:47,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:49:47,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 13:49:47,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:49:47,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 13:49:47,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:49:47,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 13:49:47,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:49:47,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 13:49:47,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:49:47,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 13:49:47,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:49:47,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 13:49:47,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:49:47,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 13:49:47,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:49:47,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 13:49:47,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:49:47,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 13:49:47,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:49:47,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 13:49:47,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:49:47,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 13:49:47,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:49:47,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 13:49:47,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:49:47,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 13:49:47,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:49:47,262 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 57 proven. 18 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2024-11-16 13:49:47,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 13:49:47,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583013895] [2024-11-16 13:49:47,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583013895] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 13:49:47,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1539213174] [2024-11-16 13:49:47,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 13:49:47,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 13:49:47,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 13:49:47,266 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 13:49:47,268 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-16 13:49:47,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:49:47,404 INFO L255 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-16 13:49:47,432 INFO L278 TraceCheckSpWp]: Computing forward predicates...