./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-31.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_loopvsstraightlinecode_100-1loop_file-31.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 0facbc53e01d120e629a50b5211a29fd2bc23d2bc5e324a9623e8d1b2c65da11 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 07:01:59,104 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 07:01:59,159 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-10 07:01:59,163 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 07:01:59,164 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 07:01:59,192 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 07:01:59,192 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 07:01:59,193 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 07:01:59,193 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 07:01:59,193 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 07:01:59,194 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 07:01:59,194 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 07:01:59,194 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 07:01:59,195 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 07:01:59,195 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 07:01:59,195 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 07:01:59,195 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 07:01:59,196 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 07:01:59,196 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 07:01:59,196 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 07:01:59,196 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 07:01:59,197 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 07:01:59,197 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 07:01:59,197 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 07:01:59,198 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 07:01:59,198 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 07:01:59,198 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 07:01:59,198 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 07:01:59,199 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 07:01:59,199 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 07:01:59,199 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 07:01:59,199 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 07:01:59,200 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 07:01:59,200 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 07:01:59,200 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 07:01:59,200 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 07:01:59,201 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 07:01:59,201 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 07:01:59,201 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 07:01:59,201 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 07:01:59,201 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 07:01:59,202 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 07:01:59,202 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0facbc53e01d120e629a50b5211a29fd2bc23d2bc5e324a9623e8d1b2c65da11 [2024-11-10 07:01:59,473 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 07:01:59,513 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 07:01:59,516 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 07:01:59,518 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 07:01:59,518 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 07:01:59,519 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-31.i [2024-11-10 07:02:00,917 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 07:02:01,119 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 07:02:01,119 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-31.i [2024-11-10 07:02:01,132 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e85c8c29/51bf2f5d13094d80866ad726fb1fe73c/FLAGe2a5c7441 [2024-11-10 07:02:01,147 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e85c8c29/51bf2f5d13094d80866ad726fb1fe73c [2024-11-10 07:02:01,150 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 07:02:01,153 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 07:02:01,155 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 07:02:01,155 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 07:02:01,160 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 07:02:01,160 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:02:01" (1/1) ... [2024-11-10 07:02:01,161 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fee1937 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:02:01, skipping insertion in model container [2024-11-10 07:02:01,161 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:02:01" (1/1) ... [2024-11-10 07:02:01,191 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 07:02:01,376 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_loopvsstraightlinecode_100-1loop_file-31.i[916,929] [2024-11-10 07:02:01,461 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 07:02:01,483 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 07:02:01,503 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_loopvsstraightlinecode_100-1loop_file-31.i[916,929] [2024-11-10 07:02:01,553 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 07:02:01,579 INFO L204 MainTranslator]: Completed translation [2024-11-10 07:02:01,580 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:02:01 WrapperNode [2024-11-10 07:02:01,580 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 07:02:01,582 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 07:02:01,582 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 07:02:01,582 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 07:02:01,597 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:02:01" (1/1) ... [2024-11-10 07:02:01,615 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:02:01" (1/1) ... [2024-11-10 07:02:01,659 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 263 [2024-11-10 07:02:01,660 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 07:02:01,661 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 07:02:01,661 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 07:02:01,661 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 07:02:01,679 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:02:01" (1/1) ... [2024-11-10 07:02:01,679 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:02:01" (1/1) ... [2024-11-10 07:02:01,683 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:02:01" (1/1) ... [2024-11-10 07:02:01,700 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 07:02:01,701 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:02:01" (1/1) ... [2024-11-10 07:02:01,701 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:02:01" (1/1) ... [2024-11-10 07:02:01,711 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:02:01" (1/1) ... [2024-11-10 07:02:01,712 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:02:01" (1/1) ... [2024-11-10 07:02:01,715 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:02:01" (1/1) ... [2024-11-10 07:02:01,718 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:02:01" (1/1) ... [2024-11-10 07:02:01,723 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 07:02:01,726 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 07:02:01,726 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 07:02:01,727 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 07:02:01,728 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:02:01" (1/1) ... [2024-11-10 07:02:01,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 07:02:01,754 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 07:02:01,773 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 07:02:01,782 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 07:02:01,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 07:02:01,840 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 07:02:01,843 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 07:02:01,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 07:02:01,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 07:02:01,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 07:02:01,957 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 07:02:01,959 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 07:02:02,408 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L206: havoc property_#t~ite25#1;havoc property_#t~bitwise21#1;havoc property_#t~short22#1;havoc property_#t~ite24#1;havoc property_#t~bitwise23#1;havoc property_#t~short26#1; [2024-11-10 07:02:02,453 INFO L? ?]: Removed 42 outVars from TransFormulas that were not future-live. [2024-11-10 07:02:02,454 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 07:02:02,485 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 07:02:02,487 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 07:02:02,487 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:02:02 BoogieIcfgContainer [2024-11-10 07:02:02,488 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 07:02:02,513 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 07:02:02,513 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 07:02:02,521 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 07:02:02,522 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 07:02:01" (1/3) ... [2024-11-10 07:02:02,522 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2da9bdd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:02:02, skipping insertion in model container [2024-11-10 07:02:02,524 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:02:01" (2/3) ... [2024-11-10 07:02:02,524 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2da9bdd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:02:02, skipping insertion in model container [2024-11-10 07:02:02,524 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:02:02" (3/3) ... [2024-11-10 07:02:02,529 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-31.i [2024-11-10 07:02:02,565 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 07:02:02,565 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 07:02:02,674 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 07:02:02,680 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;@6f6999e8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 07:02:02,681 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 07:02:02,694 INFO L276 IsEmpty]: Start isEmpty. Operand has 109 states, 80 states have (on average 1.45) internal successors, (116), 81 states have internal predecessors, (116), 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) [2024-11-10 07:02:02,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-10 07:02:02,716 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:02:02,717 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, 1] [2024-11-10 07:02:02,717 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:02:02,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:02:02,724 INFO L85 PathProgramCache]: Analyzing trace with hash -1703190471, now seen corresponding path program 1 times [2024-11-10 07:02:02,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:02:02,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749989615] [2024-11-10 07:02:02,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:02:02,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:02:02,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:03,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:02:03,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:03,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:02:03,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:03,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 07:02:03,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:03,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:02:03,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:03,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 07:02:03,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:03,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:02:03,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:03,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 07:02:03,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:03,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:02:03,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:03,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 07:02:03,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:03,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:02:03,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:03,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 07:02:03,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:03,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:02:03,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:03,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 07:02:03,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:03,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 07:02:03,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:03,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 07:02:03,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:03,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 07:02:03,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:03,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 07:02:03,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:03,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 07:02:03,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:03,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 07:02:03,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:03,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 07:02:03,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:03,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 07:02:03,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:03,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 07:02:03,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:03,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 07:02:03,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:03,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 07:02:03,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:03,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 07:02:03,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:03,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 07:02:03,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:03,227 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-10 07:02:03,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:02:03,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749989615] [2024-11-10 07:02:03,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749989615] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:02:03,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:02:03,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 07:02:03,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457262129] [2024-11-10 07:02:03,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:02:03,234 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 07:02:03,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:02:03,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 07:02:03,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 07:02:03,257 INFO L87 Difference]: Start difference. First operand has 109 states, 80 states have (on average 1.45) internal successors, (116), 81 states have internal predecessors, (116), 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 23.5) internal successors, (47), 2 states have internal predecessors, (47), 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) [2024-11-10 07:02:03,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:02:03,294 INFO L93 Difference]: Finished difference Result 204 states and 343 transitions. [2024-11-10 07:02:03,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 07:02:03,297 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (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 174 [2024-11-10 07:02:03,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:02:03,303 INFO L225 Difference]: With dead ends: 204 [2024-11-10 07:02:03,303 INFO L226 Difference]: Without dead ends: 94 [2024-11-10 07:02:03,308 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 [2024-11-10 07:02:03,312 INFO L432 NwaCegarLoop]: 146 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, 146 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 [2024-11-10 07:02:03,313 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 146 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 07:02:03,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-11-10 07:02:03,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2024-11-10 07:02:03,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 66 states have (on average 1.393939393939394) internal successors, (92), 66 states have internal predecessors, (92), 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) [2024-11-10 07:02:03,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 144 transitions. [2024-11-10 07:02:03,359 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 144 transitions. Word has length 174 [2024-11-10 07:02:03,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:02:03,359 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 144 transitions. [2024-11-10 07:02:03,359 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (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) [2024-11-10 07:02:03,359 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 144 transitions. [2024-11-10 07:02:03,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-10 07:02:03,362 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:02:03,362 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, 1] [2024-11-10 07:02:03,363 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 07:02:03,363 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:02:03,363 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:02:03,363 INFO L85 PathProgramCache]: Analyzing trace with hash -1603125099, now seen corresponding path program 1 times [2024-11-10 07:02:03,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:02:03,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334306150] [2024-11-10 07:02:03,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:02:03,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:02:03,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:03,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:02:03,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:03,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:02:03,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:03,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 07:02:03,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:03,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:02:03,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:03,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 07:02:03,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:03,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:02:03,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:03,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 07:02:03,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:03,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:02:03,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:03,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 07:02:03,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:03,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:02:03,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:03,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 07:02:03,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:03,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:02:03,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:03,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 07:02:03,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:03,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 07:02:03,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:03,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 07:02:03,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:03,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 07:02:03,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:03,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 07:02:03,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:03,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 07:02:03,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:03,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 07:02:03,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:03,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 07:02:03,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:03,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 07:02:03,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:03,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 07:02:03,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:03,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 07:02:03,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:03,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 07:02:03,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:03,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 07:02:03,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:03,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 07:02:03,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:03,862 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-10 07:02:03,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:02:03,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334306150] [2024-11-10 07:02:03,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334306150] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:02:03,862 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:02:03,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 07:02:03,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196040553] [2024-11-10 07:02:03,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:02:03,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 07:02:03,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:02:03,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 07:02:03,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 07:02:03,865 INFO L87 Difference]: Start difference. First operand 94 states and 144 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 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) [2024-11-10 07:02:04,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:02:04,105 INFO L93 Difference]: Finished difference Result 278 states and 428 transitions. [2024-11-10 07:02:04,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 07:02:04,106 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 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 174 [2024-11-10 07:02:04,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:02:04,109 INFO L225 Difference]: With dead ends: 278 [2024-11-10 07:02:04,109 INFO L226 Difference]: Without dead ends: 187 [2024-11-10 07:02:04,112 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 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 07:02:04,113 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 94 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 385 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 07:02:04,115 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 385 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 07:02:04,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2024-11-10 07:02:04,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 154. [2024-11-10 07:02:04,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 99 states have (on average 1.3535353535353536) internal successors, (134), 99 states have internal predecessors, (134), 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) [2024-11-10 07:02:04,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 238 transitions. [2024-11-10 07:02:04,161 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 238 transitions. Word has length 174 [2024-11-10 07:02:04,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:02:04,162 INFO L471 AbstractCegarLoop]: Abstraction has 154 states and 238 transitions. [2024-11-10 07:02:04,162 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 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) [2024-11-10 07:02:04,163 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 238 transitions. [2024-11-10 07:02:04,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-10 07:02:04,164 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:02:04,164 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, 1, 1] [2024-11-10 07:02:04,165 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 07:02:04,165 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:02:04,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:02:04,168 INFO L85 PathProgramCache]: Analyzing trace with hash -1058272987, now seen corresponding path program 1 times [2024-11-10 07:02:04,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:02:04,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089393147] [2024-11-10 07:02:04,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:02:04,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:02:04,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:04,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:02:04,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:04,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:02:04,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:04,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 07:02:04,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:04,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:02:04,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:04,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 07:02:04,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:04,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:02:04,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:04,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 07:02:04,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:04,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:02:04,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:04,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 07:02:04,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:04,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:02:04,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:04,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 07:02:04,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:04,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:02:04,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:04,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 07:02:04,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:04,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 07:02:04,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:04,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 07:02:04,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:04,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 07:02:04,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:04,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 07:02:04,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:04,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 07:02:04,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:04,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 07:02:04,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:04,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 07:02:04,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:04,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 07:02:04,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:04,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 07:02:04,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:04,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 07:02:04,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:04,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 07:02:04,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:04,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 07:02:04,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:04,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 07:02:04,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:04,514 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-10 07:02:04,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:02:04,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089393147] [2024-11-10 07:02:04,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089393147] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:02:04,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:02:04,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 07:02:04,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30907507] [2024-11-10 07:02:04,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:02:04,519 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 07:02:04,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:02:04,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 07:02:04,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 07:02:04,521 INFO L87 Difference]: Start difference. First operand 154 states and 238 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 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) [2024-11-10 07:02:04,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:02:04,690 INFO L93 Difference]: Finished difference Result 278 states and 427 transitions. [2024-11-10 07:02:04,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 07:02:04,690 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 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 175 [2024-11-10 07:02:04,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:02:04,693 INFO L225 Difference]: With dead ends: 278 [2024-11-10 07:02:04,695 INFO L226 Difference]: Without dead ends: 187 [2024-11-10 07:02:04,696 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 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 07:02:04,697 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 92 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 387 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 07:02:04,699 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 387 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 07:02:04,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2024-11-10 07:02:04,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 155. [2024-11-10 07:02:04,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 100 states have (on average 1.35) internal successors, (135), 100 states have internal predecessors, (135), 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) [2024-11-10 07:02:04,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 239 transitions. [2024-11-10 07:02:04,731 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 239 transitions. Word has length 175 [2024-11-10 07:02:04,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:02:04,744 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 239 transitions. [2024-11-10 07:02:04,745 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 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) [2024-11-10 07:02:04,745 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 239 transitions. [2024-11-10 07:02:04,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-10 07:02:04,746 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:02:04,747 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, 1, 1, 1] [2024-11-10 07:02:04,747 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 07:02:04,747 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:02:04,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:02:04,752 INFO L85 PathProgramCache]: Analyzing trace with hash 247981276, now seen corresponding path program 1 times [2024-11-10 07:02:04,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:02:04,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665544713] [2024-11-10 07:02:04,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:02:04,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:02:04,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:05,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:02:05,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:05,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:02:05,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:05,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 07:02:05,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:05,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:02:05,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:05,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 07:02:05,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:05,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:02:05,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:05,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 07:02:05,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:05,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:02:05,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:05,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 07:02:05,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:05,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:02:05,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:05,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 07:02:05,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:05,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:02:05,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:05,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 07:02:05,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:05,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 07:02:05,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:05,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 07:02:05,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:05,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 07:02:05,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:05,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 07:02:05,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:05,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 07:02:05,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:05,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 07:02:05,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:05,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 07:02:05,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:05,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 07:02:05,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:05,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 07:02:05,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:05,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 07:02:05,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:05,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 07:02:05,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:05,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 07:02:05,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:05,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 07:02:05,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:05,591 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-10 07:02:05,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:02:05,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665544713] [2024-11-10 07:02:05,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665544713] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:02:05,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:02:05,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-10 07:02:05,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841931474] [2024-11-10 07:02:05,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:02:05,592 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 07:02:05,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:02:05,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 07:02:05,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-10 07:02:05,596 INFO L87 Difference]: Start difference. First operand 155 states and 239 transitions. Second operand has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 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) [2024-11-10 07:02:06,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:02:06,126 INFO L93 Difference]: Finished difference Result 377 states and 571 transitions. [2024-11-10 07:02:06,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 07:02:06,127 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 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 176 [2024-11-10 07:02:06,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:02:06,131 INFO L225 Difference]: With dead ends: 377 [2024-11-10 07:02:06,131 INFO L226 Difference]: Without dead ends: 286 [2024-11-10 07:02:06,132 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2024-11-10 07:02:06,134 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 506 mSDsluCounter, 529 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 168 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 506 SdHoareTripleChecker+Valid, 647 SdHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 168 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 07:02:06,134 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [506 Valid, 647 Invalid, 370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [168 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 07:02:06,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2024-11-10 07:02:06,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 245. [2024-11-10 07:02:06,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 161 states have (on average 1.329192546583851) internal successors, (214), 162 states have internal predecessors, (214), 78 states have call successors, (78), 5 states have call predecessors, (78), 5 states have return successors, (78), 77 states have call predecessors, (78), 78 states have call successors, (78) [2024-11-10 07:02:06,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 370 transitions. [2024-11-10 07:02:06,182 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 370 transitions. Word has length 176 [2024-11-10 07:02:06,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:02:06,183 INFO L471 AbstractCegarLoop]: Abstraction has 245 states and 370 transitions. [2024-11-10 07:02:06,183 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 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) [2024-11-10 07:02:06,183 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 370 transitions. [2024-11-10 07:02:06,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-10 07:02:06,187 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:02:06,187 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, 1, 1, 1] [2024-11-10 07:02:06,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 07:02:06,187 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:02:06,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:02:06,188 INFO L85 PathProgramCache]: Analyzing trace with hash -1559473187, now seen corresponding path program 1 times [2024-11-10 07:02:06,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:02:06,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873002428] [2024-11-10 07:02:06,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:02:06,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:02:06,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:06,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:02:06,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:06,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:02:06,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:06,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 07:02:06,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:06,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:02:06,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:06,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 07:02:06,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:06,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:02:06,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:06,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 07:02:06,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:06,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:02:06,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:06,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 07:02:06,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:06,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:02:06,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:06,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 07:02:06,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:06,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:02:06,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:06,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 07:02:06,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:06,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 07:02:06,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:06,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 07:02:06,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:06,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 07:02:06,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:06,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 07:02:06,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:06,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 07:02:06,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:06,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 07:02:06,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:06,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 07:02:06,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:06,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 07:02:06,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:06,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 07:02:06,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:06,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 07:02:06,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:06,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 07:02:06,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:06,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 07:02:06,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:06,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 07:02:06,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:06,602 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-10 07:02:06,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:02:06,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873002428] [2024-11-10 07:02:06,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873002428] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:02:06,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:02:06,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 07:02:06,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534958563] [2024-11-10 07:02:06,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:02:06,607 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 07:02:06,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:02:06,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 07:02:06,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 07:02:06,608 INFO L87 Difference]: Start difference. First operand 245 states and 370 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 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) [2024-11-10 07:02:06,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:02:06,882 INFO L93 Difference]: Finished difference Result 426 states and 643 transitions. [2024-11-10 07:02:06,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 07:02:06,883 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 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 176 [2024-11-10 07:02:06,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:02:06,889 INFO L225 Difference]: With dead ends: 426 [2024-11-10 07:02:06,890 INFO L226 Difference]: Without dead ends: 238 [2024-11-10 07:02:06,890 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 [2024-11-10 07:02:06,891 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 92 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 07:02:06,895 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 394 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 07:02:06,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2024-11-10 07:02:06,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 235. [2024-11-10 07:02:06,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 151 states have (on average 1.2980132450331126) internal successors, (196), 152 states have internal predecessors, (196), 78 states have call successors, (78), 5 states have call predecessors, (78), 5 states have return successors, (78), 77 states have call predecessors, (78), 78 states have call successors, (78) [2024-11-10 07:02:06,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 352 transitions. [2024-11-10 07:02:06,946 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 352 transitions. Word has length 176 [2024-11-10 07:02:06,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:02:06,947 INFO L471 AbstractCegarLoop]: Abstraction has 235 states and 352 transitions. [2024-11-10 07:02:06,947 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 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) [2024-11-10 07:02:06,947 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 352 transitions. [2024-11-10 07:02:06,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-10 07:02:06,948 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:02:06,948 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, 1, 1, 1, 1] [2024-11-10 07:02:06,949 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 07:02:06,949 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:02:06,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:02:06,949 INFO L85 PathProgramCache]: Analyzing trace with hash 523709164, now seen corresponding path program 1 times [2024-11-10 07:02:06,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:02:06,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172363738] [2024-11-10 07:02:06,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:02:06,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:02:06,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:07,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:02:07,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:07,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:02:07,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:07,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 07:02:07,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:07,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:02:07,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:07,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 07:02:07,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:07,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:02:07,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:07,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 07:02:07,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:07,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:02:07,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:07,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 07:02:07,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:07,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:02:07,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:07,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 07:02:07,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:07,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:02:07,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:07,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 07:02:07,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:07,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 07:02:07,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:07,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 07:02:07,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:07,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 07:02:07,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:07,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 07:02:07,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:07,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 07:02:07,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:07,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 07:02:07,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:07,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 07:02:07,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:07,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 07:02:07,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:07,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 07:02:07,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:07,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 07:02:07,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:07,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 07:02:07,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:07,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 07:02:07,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:07,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 07:02:07,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:07,513 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-10 07:02:07,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:02:07,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172363738] [2024-11-10 07:02:07,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172363738] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:02:07,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:02:07,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 07:02:07,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316914505] [2024-11-10 07:02:07,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:02:07,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 07:02:07,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:02:07,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 07:02:07,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 07:02:07,515 INFO L87 Difference]: Start difference. First operand 235 states and 352 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 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) [2024-11-10 07:02:07,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:02:07,777 INFO L93 Difference]: Finished difference Result 590 states and 864 transitions. [2024-11-10 07:02:07,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 07:02:07,778 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 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 177 [2024-11-10 07:02:07,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:02:07,780 INFO L225 Difference]: With dead ends: 590 [2024-11-10 07:02:07,780 INFO L226 Difference]: Without dead ends: 433 [2024-11-10 07:02:07,781 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-10 07:02:07,782 INFO L432 NwaCegarLoop]: 152 mSDtfsCounter, 121 mSDsluCounter, 391 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 543 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 07:02:07,782 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 543 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 07:02:07,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2024-11-10 07:02:07,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 369. [2024-11-10 07:02:07,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 369 states, 271 states have (on average 1.3468634686346863) internal successors, (365), 274 states have internal predecessors, (365), 88 states have call successors, (88), 9 states have call predecessors, (88), 9 states have return successors, (88), 85 states have call predecessors, (88), 88 states have call successors, (88) [2024-11-10 07:02:07,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 541 transitions. [2024-11-10 07:02:07,818 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 541 transitions. Word has length 177 [2024-11-10 07:02:07,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:02:07,818 INFO L471 AbstractCegarLoop]: Abstraction has 369 states and 541 transitions. [2024-11-10 07:02:07,819 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 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) [2024-11-10 07:02:07,819 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 541 transitions. [2024-11-10 07:02:07,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-10 07:02:07,820 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:02:07,820 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, 1, 1, 1, 1] [2024-11-10 07:02:07,820 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 07:02:07,820 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:02:07,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:02:07,821 INFO L85 PathProgramCache]: Analyzing trace with hash 327195659, now seen corresponding path program 1 times [2024-11-10 07:02:07,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:02:07,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691052009] [2024-11-10 07:02:07,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:02:07,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:02:07,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:08,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:02:08,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:08,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:02:08,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:08,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 07:02:08,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:08,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:02:08,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:08,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 07:02:08,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:08,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:02:08,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:08,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 07:02:08,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:08,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:02:08,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:08,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 07:02:08,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:08,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:02:08,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:08,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 07:02:08,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:08,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:02:08,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:08,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 07:02:08,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:08,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 07:02:08,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:08,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 07:02:08,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:08,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 07:02:08,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:08,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 07:02:08,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:08,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 07:02:08,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:08,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 07:02:08,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:08,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 07:02:08,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:08,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 07:02:08,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:08,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 07:02:08,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:08,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 07:02:08,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:08,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 07:02:08,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:08,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 07:02:08,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:08,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 07:02:08,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:08,136 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-10 07:02:08,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:02:08,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691052009] [2024-11-10 07:02:08,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691052009] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:02:08,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:02:08,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 07:02:08,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806837584] [2024-11-10 07:02:08,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:02:08,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 07:02:08,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:02:08,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 07:02:08,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 07:02:08,138 INFO L87 Difference]: Start difference. First operand 369 states and 541 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 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) [2024-11-10 07:02:08,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:02:08,361 INFO L93 Difference]: Finished difference Result 834 states and 1238 transitions. [2024-11-10 07:02:08,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 07:02:08,362 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 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 177 [2024-11-10 07:02:08,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:02:08,365 INFO L225 Difference]: With dead ends: 834 [2024-11-10 07:02:08,365 INFO L226 Difference]: Without dead ends: 554 [2024-11-10 07:02:08,366 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-10 07:02:08,367 INFO L432 NwaCegarLoop]: 208 mSDtfsCounter, 218 mSDsluCounter, 452 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 660 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 07:02:08,367 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 660 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 07:02:08,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2024-11-10 07:02:08,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 461. [2024-11-10 07:02:08,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 461 states, 309 states have (on average 1.2977346278317152) internal successors, (401), 313 states have internal predecessors, (401), 140 states have call successors, (140), 11 states have call predecessors, (140), 11 states have return successors, (140), 136 states have call predecessors, (140), 140 states have call successors, (140) [2024-11-10 07:02:08,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 681 transitions. [2024-11-10 07:02:08,410 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 681 transitions. Word has length 177 [2024-11-10 07:02:08,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:02:08,411 INFO L471 AbstractCegarLoop]: Abstraction has 461 states and 681 transitions. [2024-11-10 07:02:08,411 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 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) [2024-11-10 07:02:08,411 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 681 transitions. [2024-11-10 07:02:08,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-10 07:02:08,412 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:02:08,412 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, 1, 1, 1, 1, 1] [2024-11-10 07:02:08,412 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 07:02:08,413 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:02:08,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:02:08,413 INFO L85 PathProgramCache]: Analyzing trace with hash 1768473645, now seen corresponding path program 1 times [2024-11-10 07:02:08,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:02:08,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416170775] [2024-11-10 07:02:08,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:02:08,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:02:08,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:08,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:02:08,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:08,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:02:08,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:08,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 07:02:08,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:08,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:02:08,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:08,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 07:02:08,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:08,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:02:08,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:08,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 07:02:08,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:08,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:02:08,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:08,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 07:02:08,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:08,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:02:08,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:08,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 07:02:08,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:08,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:02:08,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:08,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 07:02:08,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:08,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 07:02:08,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:08,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 07:02:08,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:08,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 07:02:08,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:08,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 07:02:08,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:08,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 07:02:08,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:08,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 07:02:08,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:08,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 07:02:08,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:08,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 07:02:08,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:08,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 07:02:08,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:08,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 07:02:08,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:08,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 07:02:08,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:08,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 07:02:08,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:08,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 07:02:08,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:08,812 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-10 07:02:08,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:02:08,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416170775] [2024-11-10 07:02:08,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416170775] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:02:08,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:02:08,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 07:02:08,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444166925] [2024-11-10 07:02:08,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:02:08,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 07:02:08,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:02:08,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 07:02:08,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 07:02:08,814 INFO L87 Difference]: Start difference. First operand 461 states and 681 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 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) [2024-11-10 07:02:09,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:02:09,257 INFO L93 Difference]: Finished difference Result 1089 states and 1594 transitions. [2024-11-10 07:02:09,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 07:02:09,258 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 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 177 [2024-11-10 07:02:09,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:02:09,263 INFO L225 Difference]: With dead ends: 1089 [2024-11-10 07:02:09,263 INFO L226 Difference]: Without dead ends: 710 [2024-11-10 07:02:09,265 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-10 07:02:09,266 INFO L432 NwaCegarLoop]: 147 mSDtfsCounter, 343 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 343 SdHoareTripleChecker+Valid, 502 SdHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 07:02:09,266 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [343 Valid, 502 Invalid, 288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 07:02:09,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 710 states. [2024-11-10 07:02:09,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 710 to 527. [2024-11-10 07:02:09,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 527 states, 362 states have (on average 1.292817679558011) internal successors, (468), 366 states have internal predecessors, (468), 148 states have call successors, (148), 16 states have call predecessors, (148), 16 states have return successors, (148), 144 states have call predecessors, (148), 148 states have call successors, (148) [2024-11-10 07:02:09,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 764 transitions. [2024-11-10 07:02:09,329 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 764 transitions. Word has length 177 [2024-11-10 07:02:09,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:02:09,329 INFO L471 AbstractCegarLoop]: Abstraction has 527 states and 764 transitions. [2024-11-10 07:02:09,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 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) [2024-11-10 07:02:09,330 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 764 transitions. [2024-11-10 07:02:09,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-10 07:02:09,332 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:02:09,332 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, 1, 1, 1, 1] [2024-11-10 07:02:09,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 07:02:09,333 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:02:09,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:02:09,333 INFO L85 PathProgramCache]: Analyzing trace with hash 1571960140, now seen corresponding path program 1 times [2024-11-10 07:02:09,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:02:09,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809416423] [2024-11-10 07:02:09,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:02:09,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:02:09,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:12,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:02:12,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:12,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:02:12,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:12,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 07:02:12,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:12,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:02:12,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:12,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 07:02:12,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:12,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:02:12,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:12,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 07:02:12,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:12,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:02:12,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:12,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 07:02:12,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:12,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:02:12,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:12,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 07:02:12,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:12,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:02:12,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:12,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 07:02:12,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:12,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 07:02:12,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:12,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 07:02:12,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:12,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 07:02:12,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:12,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 07:02:12,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:12,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 07:02:12,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:12,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 07:02:12,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:12,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 07:02:12,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:12,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 07:02:12,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:12,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 07:02:12,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:12,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 07:02:12,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:12,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 07:02:12,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:12,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 07:02:12,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:12,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 07:02:12,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:12,747 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-10 07:02:12,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:02:12,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809416423] [2024-11-10 07:02:12,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809416423] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:02:12,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:02:12,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-10 07:02:12,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987662292] [2024-11-10 07:02:12,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:02:12,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 07:02:12,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:02:12,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 07:02:12,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-10 07:02:12,750 INFO L87 Difference]: Start difference. First operand 527 states and 764 transitions. Second operand has 8 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 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) [2024-11-10 07:02:13,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:02:13,568 INFO L93 Difference]: Finished difference Result 979 states and 1410 transitions. [2024-11-10 07:02:13,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 07:02:13,569 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 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 177 [2024-11-10 07:02:13,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:02:13,575 INFO L225 Difference]: With dead ends: 979 [2024-11-10 07:02:13,575 INFO L226 Difference]: Without dead ends: 630 [2024-11-10 07:02:13,576 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2024-11-10 07:02:13,578 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 229 mSDsluCounter, 464 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 610 SdHoareTripleChecker+Invalid, 347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 07:02:13,578 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 610 Invalid, 347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 07:02:13,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states. [2024-11-10 07:02:13,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 541. [2024-11-10 07:02:13,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 376 states have (on average 1.2925531914893618) internal successors, (486), 380 states have internal predecessors, (486), 148 states have call successors, (148), 16 states have call predecessors, (148), 16 states have return successors, (148), 144 states have call predecessors, (148), 148 states have call successors, (148) [2024-11-10 07:02:13,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 782 transitions. [2024-11-10 07:02:13,636 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 782 transitions. Word has length 177 [2024-11-10 07:02:13,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:02:13,637 INFO L471 AbstractCegarLoop]: Abstraction has 541 states and 782 transitions. [2024-11-10 07:02:13,638 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 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) [2024-11-10 07:02:13,638 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 782 transitions. [2024-11-10 07:02:13,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-10 07:02:13,640 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:02:13,640 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, 1, 1, 1, 1] [2024-11-10 07:02:13,640 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 07:02:13,640 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:02:13,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:02:13,641 INFO L85 PathProgramCache]: Analyzing trace with hash -421504724, now seen corresponding path program 1 times [2024-11-10 07:02:13,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:02:13,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010467335] [2024-11-10 07:02:13,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:02:13,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:02:13,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:17,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:02:17,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:17,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:02:17,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:17,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 07:02:17,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:17,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:02:17,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:17,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 07:02:17,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:17,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:02:17,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:17,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 07:02:17,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:17,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:02:17,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:17,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 07:02:17,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:17,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:02:17,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:17,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 07:02:17,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:17,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:02:17,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:17,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 07:02:17,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:17,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 07:02:17,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:17,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 07:02:17,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:17,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 07:02:17,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:17,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 07:02:17,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:17,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 07:02:17,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:17,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 07:02:17,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:17,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 07:02:17,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:17,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 07:02:17,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:17,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 07:02:17,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:17,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 07:02:17,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:17,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 07:02:17,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:17,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 07:02:17,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:17,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 07:02:17,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:17,648 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-10 07:02:17,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:02:17,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010467335] [2024-11-10 07:02:17,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010467335] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:02:17,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:02:17,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 07:02:17,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132009152] [2024-11-10 07:02:17,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:02:17,649 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 07:02:17,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:02:17,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 07:02:17,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-10 07:02:17,651 INFO L87 Difference]: Start difference. First operand 541 states and 782 transitions. Second operand has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 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) [2024-11-10 07:02:18,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:02:18,649 INFO L93 Difference]: Finished difference Result 989 states and 1418 transitions. [2024-11-10 07:02:18,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 07:02:18,650 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 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 177 [2024-11-10 07:02:18,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:02:18,653 INFO L225 Difference]: With dead ends: 989 [2024-11-10 07:02:18,653 INFO L226 Difference]: Without dead ends: 638 [2024-11-10 07:02:18,654 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2024-11-10 07:02:18,655 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 185 mSDsluCounter, 503 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 647 SdHoareTripleChecker+Invalid, 347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-10 07:02:18,655 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 647 Invalid, 347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 304 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-10 07:02:18,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 638 states. [2024-11-10 07:02:18,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 638 to 541. [2024-11-10 07:02:18,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 376 states have (on average 1.2925531914893618) internal successors, (486), 380 states have internal predecessors, (486), 148 states have call successors, (148), 16 states have call predecessors, (148), 16 states have return successors, (148), 144 states have call predecessors, (148), 148 states have call successors, (148) [2024-11-10 07:02:18,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 782 transitions. [2024-11-10 07:02:18,696 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 782 transitions. Word has length 177 [2024-11-10 07:02:18,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:02:18,696 INFO L471 AbstractCegarLoop]: Abstraction has 541 states and 782 transitions. [2024-11-10 07:02:18,697 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 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) [2024-11-10 07:02:18,697 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 782 transitions. [2024-11-10 07:02:18,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-10 07:02:18,698 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:02:18,698 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, 1, 1, 1, 1] [2024-11-10 07:02:18,698 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-10 07:02:18,698 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:02:18,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:02:18,699 INFO L85 PathProgramCache]: Analyzing trace with hash -618018229, now seen corresponding path program 1 times [2024-11-10 07:02:18,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:02:18,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923551252] [2024-11-10 07:02:18,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:02:18,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:02:18,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:19,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:02:19,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:19,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:02:19,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:19,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 07:02:19,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:19,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:02:19,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:19,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 07:02:19,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:19,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:02:19,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:19,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 07:02:19,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:19,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:02:19,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:19,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 07:02:19,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:19,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:02:19,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:19,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 07:02:19,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:19,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:02:19,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:19,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 07:02:19,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:19,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 07:02:19,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:19,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 07:02:19,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:19,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 07:02:19,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:19,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 07:02:19,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:19,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 07:02:19,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:19,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 07:02:19,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:19,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 07:02:19,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:19,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 07:02:19,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:19,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 07:02:19,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:19,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 07:02:19,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:19,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 07:02:19,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:19,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 07:02:19,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:19,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 07:02:19,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:19,256 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-10 07:02:19,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:02:19,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923551252] [2024-11-10 07:02:19,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1923551252] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:02:19,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:02:19,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 07:02:19,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544141262] [2024-11-10 07:02:19,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:02:19,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 07:02:19,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:02:19,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 07:02:19,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-10 07:02:19,258 INFO L87 Difference]: Start difference. First operand 541 states and 782 transitions. Second operand has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 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) [2024-11-10 07:02:19,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:02:19,955 INFO L93 Difference]: Finished difference Result 987 states and 1432 transitions. [2024-11-10 07:02:19,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 07:02:19,956 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 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 177 [2024-11-10 07:02:19,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:02:19,959 INFO L225 Difference]: With dead ends: 987 [2024-11-10 07:02:19,959 INFO L226 Difference]: Without dead ends: 563 [2024-11-10 07:02:19,960 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=100, Invalid=206, Unknown=0, NotChecked=0, Total=306 [2024-11-10 07:02:19,961 INFO L432 NwaCegarLoop]: 196 mSDtfsCounter, 372 mSDsluCounter, 805 mSDsCounter, 0 mSdLazyCounter, 305 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 372 SdHoareTripleChecker+Valid, 1001 SdHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 07:02:19,961 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [372 Valid, 1001 Invalid, 405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 305 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 07:02:19,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2024-11-10 07:02:19,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 539. [2024-11-10 07:02:19,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 539 states, 374 states have (on average 1.286096256684492) internal successors, (481), 378 states have internal predecessors, (481), 148 states have call successors, (148), 16 states have call predecessors, (148), 16 states have return successors, (148), 144 states have call predecessors, (148), 148 states have call successors, (148) [2024-11-10 07:02:19,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 777 transitions. [2024-11-10 07:02:19,997 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 777 transitions. Word has length 177 [2024-11-10 07:02:19,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:02:19,998 INFO L471 AbstractCegarLoop]: Abstraction has 539 states and 777 transitions. [2024-11-10 07:02:19,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 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) [2024-11-10 07:02:19,998 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 777 transitions. [2024-11-10 07:02:19,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-10 07:02:19,999 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:02:19,999 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, 1, 1, 1, 1, 1] [2024-11-10 07:02:19,999 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-10 07:02:19,999 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:02:19,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:02:20,000 INFO L85 PathProgramCache]: Analyzing trace with hash 234468869, now seen corresponding path program 1 times [2024-11-10 07:02:20,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:02:20,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97872190] [2024-11-10 07:02:20,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:02:20,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:02:20,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:20,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:02:20,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:20,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:02:20,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:20,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 07:02:20,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:20,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:02:20,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:20,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 07:02:20,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:20,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:02:20,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:20,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 07:02:20,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:20,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:02:20,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:20,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 07:02:20,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:20,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:02:20,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:20,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 07:02:20,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:20,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:02:20,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:20,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 07:02:20,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:20,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 07:02:20,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:20,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 07:02:20,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:20,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 07:02:20,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:20,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 07:02:20,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:20,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 07:02:20,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:20,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 07:02:20,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:20,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 07:02:20,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:20,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 07:02:20,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:20,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 07:02:20,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:20,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 07:02:20,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:20,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 07:02:20,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:20,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 07:02:20,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:20,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 07:02:20,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:20,851 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-10 07:02:20,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:02:20,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97872190] [2024-11-10 07:02:20,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97872190] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:02:20,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:02:20,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-10 07:02:20,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333503191] [2024-11-10 07:02:20,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:02:20,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 07:02:20,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:02:20,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 07:02:20,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-10 07:02:20,853 INFO L87 Difference]: Start difference. First operand 539 states and 777 transitions. Second operand has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 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) [2024-11-10 07:02:21,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:02:21,588 INFO L93 Difference]: Finished difference Result 1036 states and 1493 transitions. [2024-11-10 07:02:21,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 07:02:21,588 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 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 178 [2024-11-10 07:02:21,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:02:21,591 INFO L225 Difference]: With dead ends: 1036 [2024-11-10 07:02:21,592 INFO L226 Difference]: Without dead ends: 614 [2024-11-10 07:02:21,593 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2024-11-10 07:02:21,593 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 442 mSDsluCounter, 750 mSDsCounter, 0 mSdLazyCounter, 424 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 442 SdHoareTripleChecker+Valid, 877 SdHoareTripleChecker+Invalid, 556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 07:02:21,593 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [442 Valid, 877 Invalid, 556 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 424 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 07:02:21,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 614 states. [2024-11-10 07:02:21,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 614 to 560. [2024-11-10 07:02:21,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 560 states, 395 states have (on average 1.2936708860759494) internal successors, (511), 399 states have internal predecessors, (511), 148 states have call successors, (148), 16 states have call predecessors, (148), 16 states have return successors, (148), 144 states have call predecessors, (148), 148 states have call successors, (148) [2024-11-10 07:02:21,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 807 transitions. [2024-11-10 07:02:21,634 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 807 transitions. Word has length 178 [2024-11-10 07:02:21,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:02:21,635 INFO L471 AbstractCegarLoop]: Abstraction has 560 states and 807 transitions. [2024-11-10 07:02:21,635 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 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) [2024-11-10 07:02:21,635 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 807 transitions. [2024-11-10 07:02:21,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-10 07:02:21,636 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:02:21,636 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, 1, 1, 1, 1, 1] [2024-11-10 07:02:21,636 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-10 07:02:21,636 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:02:21,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:02:21,637 INFO L85 PathProgramCache]: Analyzing trace with hash 37955364, now seen corresponding path program 1 times [2024-11-10 07:02:21,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:02:21,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384661943] [2024-11-10 07:02:21,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:02:21,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:02:21,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:24,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:02:24,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:24,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:02:24,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:24,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 07:02:24,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:24,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:02:24,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:24,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 07:02:24,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:24,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:02:24,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:24,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 07:02:24,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:24,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:02:24,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:24,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 07:02:24,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:24,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:02:24,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:24,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 07:02:24,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:24,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:02:24,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:24,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 07:02:24,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:24,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 07:02:24,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:24,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 07:02:24,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:24,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 07:02:24,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:24,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 07:02:24,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:24,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 07:02:24,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:24,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 07:02:24,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:24,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 07:02:24,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:24,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 07:02:24,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:24,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 07:02:24,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:24,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 07:02:24,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:24,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 07:02:24,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:24,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 07:02:24,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:24,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 07:02:24,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:24,315 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-10 07:02:24,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:02:24,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384661943] [2024-11-10 07:02:24,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384661943] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:02:24,316 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:02:24,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-10 07:02:24,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104364332] [2024-11-10 07:02:24,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:02:24,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-10 07:02:24,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:02:24,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-10 07:02:24,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2024-11-10 07:02:24,318 INFO L87 Difference]: Start difference. First operand 560 states and 807 transitions. Second operand has 14 states, 14 states have (on average 3.642857142857143) internal successors, (51), 14 states have internal predecessors, (51), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-10 07:02:26,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:02:26,018 INFO L93 Difference]: Finished difference Result 957 states and 1374 transitions. [2024-11-10 07:02:26,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-10 07:02:26,018 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.642857142857143) internal successors, (51), 14 states have internal predecessors, (51), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 178 [2024-11-10 07:02:26,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:02:26,022 INFO L225 Difference]: With dead ends: 957 [2024-11-10 07:02:26,022 INFO L226 Difference]: Without dead ends: 606 [2024-11-10 07:02:26,024 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=202, Invalid=728, Unknown=0, NotChecked=0, Total=930 [2024-11-10 07:02:26,024 INFO L432 NwaCegarLoop]: 138 mSDtfsCounter, 431 mSDsluCounter, 1070 mSDsCounter, 0 mSdLazyCounter, 527 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 431 SdHoareTripleChecker+Valid, 1208 SdHoareTripleChecker+Invalid, 658 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 527 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-10 07:02:26,025 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [431 Valid, 1208 Invalid, 658 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 527 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-10 07:02:26,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 606 states. [2024-11-10 07:02:26,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 606 to 562. [2024-11-10 07:02:26,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 562 states, 397 states have (on average 1.2947103274559193) internal successors, (514), 401 states have internal predecessors, (514), 148 states have call successors, (148), 16 states have call predecessors, (148), 16 states have return successors, (148), 144 states have call predecessors, (148), 148 states have call successors, (148) [2024-11-10 07:02:26,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 810 transitions. [2024-11-10 07:02:26,064 INFO L78 Accepts]: Start accepts. Automaton has 562 states and 810 transitions. Word has length 178 [2024-11-10 07:02:26,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:02:26,064 INFO L471 AbstractCegarLoop]: Abstraction has 562 states and 810 transitions. [2024-11-10 07:02:26,065 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.642857142857143) internal successors, (51), 14 states have internal predecessors, (51), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-10 07:02:26,065 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 810 transitions. [2024-11-10 07:02:26,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-10 07:02:26,066 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:02:26,066 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, 1, 1, 1, 1, 1] [2024-11-10 07:02:26,066 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-10 07:02:26,066 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:02:26,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:02:26,067 INFO L85 PathProgramCache]: Analyzing trace with hash -1955509500, now seen corresponding path program 1 times [2024-11-10 07:02:26,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:02:26,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921581484] [2024-11-10 07:02:26,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:02:26,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:02:26,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:28,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:02:28,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:28,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:02:28,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:28,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 07:02:28,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:28,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:02:28,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:28,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 07:02:28,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:28,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:02:28,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:28,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 07:02:28,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:28,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:02:28,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:28,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 07:02:28,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:28,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:02:28,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:28,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 07:02:28,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:28,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:02:28,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:28,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 07:02:28,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:28,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 07:02:28,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:28,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 07:02:28,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:28,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 07:02:28,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:28,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 07:02:28,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:28,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 07:02:28,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:28,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 07:02:28,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:28,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 07:02:28,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:28,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 07:02:28,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:28,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 07:02:28,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:28,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 07:02:28,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:28,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 07:02:28,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:28,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 07:02:28,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:28,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 07:02:28,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:28,232 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-10 07:02:28,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:02:28,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921581484] [2024-11-10 07:02:28,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [921581484] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:02:28,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:02:28,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-10 07:02:28,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462093443] [2024-11-10 07:02:28,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:02:28,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-10 07:02:28,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:02:28,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-10 07:02:28,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2024-11-10 07:02:28,234 INFO L87 Difference]: Start difference. First operand 562 states and 810 transitions. Second operand has 16 states, 16 states have (on average 3.1875) internal successors, (51), 16 states have internal predecessors, (51), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-10 07:02:30,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:02:30,715 INFO L93 Difference]: Finished difference Result 1174 states and 1676 transitions. [2024-11-10 07:02:30,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-10 07:02:30,716 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.1875) internal successors, (51), 16 states have internal predecessors, (51), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 178 [2024-11-10 07:02:30,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:02:30,721 INFO L225 Difference]: With dead ends: 1174 [2024-11-10 07:02:30,721 INFO L226 Difference]: Without dead ends: 823 [2024-11-10 07:02:30,723 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 321 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=317, Invalid=1015, Unknown=0, NotChecked=0, Total=1332 [2024-11-10 07:02:30,723 INFO L432 NwaCegarLoop]: 228 mSDtfsCounter, 565 mSDsluCounter, 1889 mSDsCounter, 0 mSdLazyCounter, 1221 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 565 SdHoareTripleChecker+Valid, 2117 SdHoareTripleChecker+Invalid, 1331 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 1221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-10 07:02:30,724 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [565 Valid, 2117 Invalid, 1331 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 1221 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-10 07:02:30,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 823 states. [2024-11-10 07:02:30,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 823 to 563. [2024-11-10 07:02:30,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 563 states, 398 states have (on average 1.2939698492462313) internal successors, (515), 402 states have internal predecessors, (515), 148 states have call successors, (148), 16 states have call predecessors, (148), 16 states have return successors, (148), 144 states have call predecessors, (148), 148 states have call successors, (148) [2024-11-10 07:02:30,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 563 states and 811 transitions. [2024-11-10 07:02:30,772 INFO L78 Accepts]: Start accepts. Automaton has 563 states and 811 transitions. Word has length 178 [2024-11-10 07:02:30,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:02:30,773 INFO L471 AbstractCegarLoop]: Abstraction has 563 states and 811 transitions. [2024-11-10 07:02:30,773 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.1875) internal successors, (51), 16 states have internal predecessors, (51), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-10 07:02:30,773 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 811 transitions. [2024-11-10 07:02:30,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-10 07:02:30,775 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:02:30,776 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, 1, 1, 1, 1, 1] [2024-11-10 07:02:30,776 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-10 07:02:30,776 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:02:30,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:02:30,776 INFO L85 PathProgramCache]: Analyzing trace with hash -255447643, now seen corresponding path program 1 times [2024-11-10 07:02:30,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:02:30,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326060180] [2024-11-10 07:02:30,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:02:30,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:02:30,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:35,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:02:35,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:35,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:02:35,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:35,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 07:02:35,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:35,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:02:35,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:35,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 07:02:35,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:35,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:02:35,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:35,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 07:02:35,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:35,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:02:35,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:35,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 07:02:35,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:35,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:02:35,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:35,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 07:02:35,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:35,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:02:35,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:35,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 07:02:35,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:35,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 07:02:35,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:35,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 07:02:35,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:35,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 07:02:35,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:35,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 07:02:35,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:35,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 07:02:35,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:35,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 07:02:35,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:35,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 07:02:35,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:35,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 07:02:35,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:35,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 07:02:35,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:35,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 07:02:35,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:35,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 07:02:35,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:35,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 07:02:35,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:35,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 07:02:35,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:35,335 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-10 07:02:35,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:02:35,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326060180] [2024-11-10 07:02:35,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326060180] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:02:35,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:02:35,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-10 07:02:35,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97954344] [2024-11-10 07:02:35,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:02:35,336 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-10 07:02:35,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:02:35,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-10 07:02:35,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2024-11-10 07:02:35,337 INFO L87 Difference]: Start difference. First operand 563 states and 811 transitions. Second operand has 15 states, 15 states have (on average 3.4) internal successors, (51), 15 states have internal predecessors, (51), 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) [2024-11-10 07:02:38,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:02:38,431 INFO L93 Difference]: Finished difference Result 969 states and 1395 transitions. [2024-11-10 07:02:38,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-10 07:02:38,432 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.4) internal successors, (51), 15 states have internal predecessors, (51), 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 178 [2024-11-10 07:02:38,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:02:38,436 INFO L225 Difference]: With dead ends: 969 [2024-11-10 07:02:38,436 INFO L226 Difference]: Without dead ends: 618 [2024-11-10 07:02:38,438 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=203, Invalid=667, Unknown=0, NotChecked=0, Total=870 [2024-11-10 07:02:38,438 INFO L432 NwaCegarLoop]: 232 mSDtfsCounter, 541 mSDsluCounter, 1057 mSDsCounter, 0 mSdLazyCounter, 1067 mSolverCounterSat, 297 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 541 SdHoareTripleChecker+Valid, 1289 SdHoareTripleChecker+Invalid, 1364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 297 IncrementalHoareTripleChecker+Valid, 1067 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-10 07:02:38,438 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [541 Valid, 1289 Invalid, 1364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [297 Valid, 1067 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-10 07:02:38,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 618 states. [2024-11-10 07:02:38,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 618 to 567. [2024-11-10 07:02:38,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 567 states, 402 states have (on average 1.291044776119403) internal successors, (519), 406 states have internal predecessors, (519), 148 states have call successors, (148), 16 states have call predecessors, (148), 16 states have return successors, (148), 144 states have call predecessors, (148), 148 states have call successors, (148) [2024-11-10 07:02:38,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 567 states and 815 transitions. [2024-11-10 07:02:38,483 INFO L78 Accepts]: Start accepts. Automaton has 567 states and 815 transitions. Word has length 178 [2024-11-10 07:02:38,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:02:38,483 INFO L471 AbstractCegarLoop]: Abstraction has 567 states and 815 transitions. [2024-11-10 07:02:38,484 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.4) internal successors, (51), 15 states have internal predecessors, (51), 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) [2024-11-10 07:02:38,484 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 815 transitions. [2024-11-10 07:02:38,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-10 07:02:38,484 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:02:38,485 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, 1, 1, 1, 1, 1] [2024-11-10 07:02:38,485 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-10 07:02:38,485 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:02:38,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:02:38,485 INFO L85 PathProgramCache]: Analyzing trace with hash 2046054789, now seen corresponding path program 1 times [2024-11-10 07:02:38,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:02:38,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115042158] [2024-11-10 07:02:38,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:02:38,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:02:38,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:40,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:02:40,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:40,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:02:40,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:40,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 07:02:40,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:40,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:02:40,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:40,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 07:02:40,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:40,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:02:40,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:40,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 07:02:40,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:40,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:02:40,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:40,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 07:02:40,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:40,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:02:40,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:40,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 07:02:40,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:40,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:02:40,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:40,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 07:02:40,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:40,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 07:02:40,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:40,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 07:02:40,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:40,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 07:02:40,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:40,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 07:02:40,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:40,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 07:02:40,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:40,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 07:02:40,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:40,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 07:02:40,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:40,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 07:02:40,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:40,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 07:02:40,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:40,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 07:02:40,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:40,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 07:02:40,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:40,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 07:02:40,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:40,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 07:02:40,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:40,147 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-10 07:02:40,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:02:40,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115042158] [2024-11-10 07:02:40,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115042158] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:02:40,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:02:40,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-10 07:02:40,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759706969] [2024-11-10 07:02:40,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:02:40,147 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 07:02:40,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:02:40,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 07:02:40,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-10 07:02:40,148 INFO L87 Difference]: Start difference. First operand 567 states and 815 transitions. Second operand has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 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) [2024-11-10 07:02:40,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:02:40,774 INFO L93 Difference]: Finished difference Result 1130 states and 1615 transitions. [2024-11-10 07:02:40,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 07:02:40,774 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 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 178 [2024-11-10 07:02:40,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:02:40,779 INFO L225 Difference]: With dead ends: 1130 [2024-11-10 07:02:40,779 INFO L226 Difference]: Without dead ends: 779 [2024-11-10 07:02:40,780 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2024-11-10 07:02:40,781 INFO L432 NwaCegarLoop]: 159 mSDtfsCounter, 191 mSDsluCounter, 601 mSDsCounter, 0 mSdLazyCounter, 306 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 760 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 07:02:40,781 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 760 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 306 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 07:02:40,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 779 states. [2024-11-10 07:02:40,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 779 to 612. [2024-11-10 07:02:40,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 612 states, 447 states have (on average 1.3154362416107384) internal successors, (588), 451 states have internal predecessors, (588), 148 states have call successors, (148), 16 states have call predecessors, (148), 16 states have return successors, (148), 144 states have call predecessors, (148), 148 states have call successors, (148) [2024-11-10 07:02:40,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 612 states and 884 transitions. [2024-11-10 07:02:40,844 INFO L78 Accepts]: Start accepts. Automaton has 612 states and 884 transitions. Word has length 178 [2024-11-10 07:02:40,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:02:40,844 INFO L471 AbstractCegarLoop]: Abstraction has 612 states and 884 transitions. [2024-11-10 07:02:40,844 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 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) [2024-11-10 07:02:40,845 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 884 transitions. [2024-11-10 07:02:40,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-10 07:02:40,845 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:02:40,845 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, 1, 1, 1, 1, 1, 1] [2024-11-10 07:02:40,845 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-10 07:02:40,845 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:02:40,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:02:40,846 INFO L85 PathProgramCache]: Analyzing trace with hash -611657449, now seen corresponding path program 1 times [2024-11-10 07:02:40,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:02:40,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144746884] [2024-11-10 07:02:40,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:02:40,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:02:40,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:44,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:02:44,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:44,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:02:44,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:44,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 07:02:44,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:44,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:02:44,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:44,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 07:02:44,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:44,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:02:44,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:44,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 07:02:44,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:44,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:02:44,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:44,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 07:02:44,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:44,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:02:44,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:44,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 07:02:44,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:44,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:02:44,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:44,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 07:02:44,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:44,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 07:02:44,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:44,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 07:02:44,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:44,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 07:02:44,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:44,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 07:02:44,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:44,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 07:02:44,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:44,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 07:02:44,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:44,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 07:02:44,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:44,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 07:02:44,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:44,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 07:02:44,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:44,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 07:02:44,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:44,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 07:02:44,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:44,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 07:02:44,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:44,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 07:02:44,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:44,504 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-10 07:02:44,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:02:44,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144746884] [2024-11-10 07:02:44,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144746884] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:02:44,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:02:44,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-10 07:02:44,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58786309] [2024-11-10 07:02:44,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:02:44,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 07:02:44,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:02:44,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 07:02:44,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-10 07:02:44,506 INFO L87 Difference]: Start difference. First operand 612 states and 884 transitions. Second operand has 13 states, 13 states have (on average 4.0) internal successors, (52), 13 states have internal predecessors, (52), 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) [2024-11-10 07:02:46,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:02:46,493 INFO L93 Difference]: Finished difference Result 1210 states and 1734 transitions. [2024-11-10 07:02:46,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-10 07:02:46,494 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.0) internal successors, (52), 13 states have internal predecessors, (52), 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 179 [2024-11-10 07:02:46,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:02:46,498 INFO L225 Difference]: With dead ends: 1210 [2024-11-10 07:02:46,498 INFO L226 Difference]: Without dead ends: 815 [2024-11-10 07:02:46,500 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=245, Invalid=625, Unknown=0, NotChecked=0, Total=870 [2024-11-10 07:02:46,500 INFO L432 NwaCegarLoop]: 159 mSDtfsCounter, 639 mSDsluCounter, 805 mSDsCounter, 0 mSdLazyCounter, 915 mSolverCounterSat, 167 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 639 SdHoareTripleChecker+Valid, 964 SdHoareTripleChecker+Invalid, 1082 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 167 IncrementalHoareTripleChecker+Valid, 915 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-10 07:02:46,500 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [639 Valid, 964 Invalid, 1082 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [167 Valid, 915 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-10 07:02:46,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 815 states. [2024-11-10 07:02:46,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 815 to 613. [2024-11-10 07:02:46,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 613 states, 448 states have (on average 1.3169642857142858) internal successors, (590), 452 states have internal predecessors, (590), 148 states have call successors, (148), 16 states have call predecessors, (148), 16 states have return successors, (148), 144 states have call predecessors, (148), 148 states have call successors, (148) [2024-11-10 07:02:46,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 613 states and 886 transitions. [2024-11-10 07:02:46,551 INFO L78 Accepts]: Start accepts. Automaton has 613 states and 886 transitions. Word has length 179 [2024-11-10 07:02:46,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:02:46,551 INFO L471 AbstractCegarLoop]: Abstraction has 613 states and 886 transitions. [2024-11-10 07:02:46,551 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.0) internal successors, (52), 13 states have internal predecessors, (52), 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) [2024-11-10 07:02:46,552 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 886 transitions. [2024-11-10 07:02:46,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-10 07:02:46,552 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:02:46,553 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, 1, 1, 1, 1, 1, 1] [2024-11-10 07:02:46,553 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-10 07:02:46,553 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:02:46,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:02:46,553 INFO L85 PathProgramCache]: Analyzing trace with hash -905060456, now seen corresponding path program 1 times [2024-11-10 07:02:46,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:02:46,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747736673] [2024-11-10 07:02:46,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:02:46,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:02:46,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:50,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:02:50,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:50,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:02:50,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:50,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 07:02:50,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:50,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:02:50,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:50,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 07:02:50,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:50,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:02:50,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:50,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 07:02:50,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:50,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:02:50,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:50,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 07:02:50,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:50,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:02:50,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:50,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 07:02:50,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:50,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:02:50,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:50,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 07:02:50,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:50,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 07:02:50,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:50,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 07:02:50,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:50,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 07:02:50,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:50,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 07:02:50,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:50,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 07:02:50,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:50,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 07:02:50,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:50,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 07:02:50,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:50,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 07:02:50,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:50,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 07:02:50,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:50,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 07:02:50,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:50,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 07:02:50,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:50,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 07:02:50,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:50,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 07:02:50,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:50,610 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-10 07:02:50,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:02:50,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747736673] [2024-11-10 07:02:50,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747736673] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:02:50,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:02:50,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-10 07:02:50,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529090524] [2024-11-10 07:02:50,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:02:50,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 07:02:50,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:02:50,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 07:02:50,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-10 07:02:50,612 INFO L87 Difference]: Start difference. First operand 613 states and 886 transitions. Second operand has 10 states, 10 states have (on average 5.2) internal successors, (52), 10 states have internal predecessors, (52), 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) [2024-11-10 07:02:53,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:02:53,198 INFO L93 Difference]: Finished difference Result 1234 states and 1756 transitions. [2024-11-10 07:02:53,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 07:02:53,200 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.2) internal successors, (52), 10 states have internal predecessors, (52), 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 179 [2024-11-10 07:02:53,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:02:53,210 INFO L225 Difference]: With dead ends: 1234 [2024-11-10 07:02:53,210 INFO L226 Difference]: Without dead ends: 839 [2024-11-10 07:02:53,216 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2024-11-10 07:02:53,219 INFO L432 NwaCegarLoop]: 175 mSDtfsCounter, 198 mSDsluCounter, 798 mSDsCounter, 0 mSdLazyCounter, 550 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 973 SdHoareTripleChecker+Invalid, 551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 550 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-10 07:02:53,219 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 973 Invalid, 551 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 550 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-10 07:02:53,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 839 states. [2024-11-10 07:02:53,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 839 to 615. [2024-11-10 07:02:53,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 615 states, 450 states have (on average 1.32) internal successors, (594), 454 states have internal predecessors, (594), 148 states have call successors, (148), 16 states have call predecessors, (148), 16 states have return successors, (148), 144 states have call predecessors, (148), 148 states have call successors, (148) [2024-11-10 07:02:53,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 615 states and 890 transitions. [2024-11-10 07:02:53,322 INFO L78 Accepts]: Start accepts. Automaton has 615 states and 890 transitions. Word has length 179 [2024-11-10 07:02:53,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:02:53,323 INFO L471 AbstractCegarLoop]: Abstraction has 615 states and 890 transitions. [2024-11-10 07:02:53,323 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.2) internal successors, (52), 10 states have internal predecessors, (52), 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) [2024-11-10 07:02:53,324 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 890 transitions. [2024-11-10 07:02:53,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-10 07:02:53,324 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:02:53,324 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, 1, 1, 1, 1, 1, 1] [2024-11-10 07:02:53,324 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-10 07:02:53,325 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:02:53,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:02:53,329 INFO L85 PathProgramCache]: Analyzing trace with hash 1199928471, now seen corresponding path program 1 times [2024-11-10 07:02:53,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:02:53,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239785095] [2024-11-10 07:02:53,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:02:53,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:02:53,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:54,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:02:54,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:54,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:02:54,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:54,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 07:02:54,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:54,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:02:54,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:54,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 07:02:54,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:54,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:02:54,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:54,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 07:02:54,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:54,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:02:54,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:54,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 07:02:54,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:54,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:02:54,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:54,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 07:02:54,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:54,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:02:54,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:54,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 07:02:54,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:54,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 07:02:54,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:54,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 07:02:54,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:54,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 07:02:54,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:54,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 07:02:54,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:54,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 07:02:54,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:54,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 07:02:54,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:54,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 07:02:54,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:54,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 07:02:54,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:54,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 07:02:54,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:54,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 07:02:54,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:54,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 07:02:54,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:54,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 07:02:54,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:54,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 07:02:54,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:54,338 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-10 07:02:54,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:02:54,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239785095] [2024-11-10 07:02:54,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239785095] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:02:54,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:02:54,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-10 07:02:54,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2147381945] [2024-11-10 07:02:54,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:02:54,339 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 07:02:54,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:02:54,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 07:02:54,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-10 07:02:54,340 INFO L87 Difference]: Start difference. First operand 615 states and 890 transitions. Second operand has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 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) [2024-11-10 07:02:55,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:02:55,358 INFO L93 Difference]: Finished difference Result 1295 states and 1859 transitions. [2024-11-10 07:02:55,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 07:02:55,359 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 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 179 [2024-11-10 07:02:55,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:02:55,366 INFO L225 Difference]: With dead ends: 1295 [2024-11-10 07:02:55,366 INFO L226 Difference]: Without dead ends: 898 [2024-11-10 07:02:55,368 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-10 07:02:55,369 INFO L432 NwaCegarLoop]: 277 mSDtfsCounter, 193 mSDsluCounter, 669 mSDsCounter, 0 mSdLazyCounter, 488 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 946 SdHoareTripleChecker+Invalid, 489 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 488 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-10 07:02:55,369 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 946 Invalid, 489 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 488 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-10 07:02:55,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 898 states. [2024-11-10 07:02:55,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 898 to 608. [2024-11-10 07:02:55,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 608 states, 443 states have (on average 1.3182844243792324) internal successors, (584), 447 states have internal predecessors, (584), 148 states have call successors, (148), 16 states have call predecessors, (148), 16 states have return successors, (148), 144 states have call predecessors, (148), 148 states have call successors, (148) [2024-11-10 07:02:55,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 608 states and 880 transitions. [2024-11-10 07:02:55,422 INFO L78 Accepts]: Start accepts. Automaton has 608 states and 880 transitions. Word has length 179 [2024-11-10 07:02:55,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:02:55,422 INFO L471 AbstractCegarLoop]: Abstraction has 608 states and 880 transitions. [2024-11-10 07:02:55,423 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 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) [2024-11-10 07:02:55,423 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 880 transitions. [2024-11-10 07:02:55,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-10 07:02:55,423 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:02:55,424 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, 1, 1, 1, 1, 1, 1] [2024-11-10 07:02:55,424 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-10 07:02:55,424 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:02:55,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:02:55,424 INFO L85 PathProgramCache]: Analyzing trace with hash 2066793504, now seen corresponding path program 1 times [2024-11-10 07:02:55,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:02:55,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608894931] [2024-11-10 07:02:55,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:02:55,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:02:55,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:55,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:02:55,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:55,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:02:55,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:55,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 07:02:55,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:55,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:02:55,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:55,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 07:02:55,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:55,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:02:55,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:55,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 07:02:55,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:55,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:02:55,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:55,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 07:02:55,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:55,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:02:55,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:55,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 07:02:55,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:55,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:02:55,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:55,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 07:02:55,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:55,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 07:02:55,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:55,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 07:02:55,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:55,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 07:02:55,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:55,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 07:02:55,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:55,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 07:02:55,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:55,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 07:02:55,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:55,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 07:02:55,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:55,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 07:02:55,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:55,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 07:02:55,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:55,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 07:02:55,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:55,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 07:02:55,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:55,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 07:02:55,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:55,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 07:02:55,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:55,787 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 27 proven. 48 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2024-11-10 07:02:55,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:02:55,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608894931] [2024-11-10 07:02:55,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608894931] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 07:02:55,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [637141177] [2024-11-10 07:02:55,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:02:55,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 07:02:55,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 07:02:55,790 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) [2024-11-10 07:02:55,791 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 07:02:55,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:55,920 INFO L255 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-10 07:02:55,928 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 07:02:56,159 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 619 proven. 48 refuted. 0 times theorem prover too weak. 633 trivial. 0 not checked. [2024-11-10 07:02:56,159 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 07:02:56,378 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 27 proven. 48 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2024-11-10 07:02:56,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [637141177] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 07:02:56,378 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 07:02:56,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 13 [2024-11-10 07:02:56,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472692278] [2024-11-10 07:02:56,378 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 07:02:56,379 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 07:02:56,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:02:56,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 07:02:56,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2024-11-10 07:02:56,379 INFO L87 Difference]: Start difference. First operand 608 states and 880 transitions. Second operand has 13 states, 13 states have (on average 6.0) internal successors, (78), 13 states have internal predecessors, (78), 2 states have call successors, (42), 2 states have call predecessors, (42), 4 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2024-11-10 07:02:57,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:02:57,060 INFO L93 Difference]: Finished difference Result 1122 states and 1603 transitions. [2024-11-10 07:02:57,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-10 07:02:57,060 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.0) internal successors, (78), 13 states have internal predecessors, (78), 2 states have call successors, (42), 2 states have call predecessors, (42), 4 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) Word has length 179 [2024-11-10 07:02:57,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:02:57,065 INFO L225 Difference]: With dead ends: 1122 [2024-11-10 07:02:57,066 INFO L226 Difference]: Without dead ends: 703 [2024-11-10 07:02:57,068 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 431 GetRequests, 402 SyntacticMatches, 3 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=202, Invalid=554, Unknown=0, NotChecked=0, Total=756 [2024-11-10 07:02:57,068 INFO L432 NwaCegarLoop]: 156 mSDtfsCounter, 458 mSDsluCounter, 579 mSDsCounter, 0 mSdLazyCounter, 607 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 477 SdHoareTripleChecker+Valid, 735 SdHoareTripleChecker+Invalid, 739 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 607 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 07:02:57,068 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [477 Valid, 735 Invalid, 739 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 607 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 07:02:57,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 703 states. [2024-11-10 07:02:57,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 703 to 584. [2024-11-10 07:02:57,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 584 states, 414 states have (on average 1.2826086956521738) internal successors, (531), 418 states have internal predecessors, (531), 148 states have call successors, (148), 21 states have call predecessors, (148), 21 states have return successors, (148), 144 states have call predecessors, (148), 148 states have call successors, (148) [2024-11-10 07:02:57,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 584 states and 827 transitions. [2024-11-10 07:02:57,131 INFO L78 Accepts]: Start accepts. Automaton has 584 states and 827 transitions. Word has length 179 [2024-11-10 07:02:57,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:02:57,131 INFO L471 AbstractCegarLoop]: Abstraction has 584 states and 827 transitions. [2024-11-10 07:02:57,132 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.0) internal successors, (78), 13 states have internal predecessors, (78), 2 states have call successors, (42), 2 states have call predecessors, (42), 4 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2024-11-10 07:02:57,132 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 827 transitions. [2024-11-10 07:02:57,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-10 07:02:57,135 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:02:57,136 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, 1, 1, 1, 1, 1, 1] [2024-11-10 07:02:57,152 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-10 07:02:57,336 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 07:02:57,337 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:02:57,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:02:57,337 INFO L85 PathProgramCache]: Analyzing trace with hash 1952089933, now seen corresponding path program 1 times [2024-11-10 07:02:57,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:02:57,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086551663] [2024-11-10 07:02:57,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:02:57,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:02:57,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:57,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:02:57,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:57,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:02:57,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:57,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 07:02:57,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:57,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:02:57,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:57,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 07:02:57,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:57,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:02:57,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:57,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 07:02:57,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:57,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:02:57,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:57,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 07:02:57,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:57,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:02:57,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:57,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 07:02:57,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:57,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:02:57,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:57,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 07:02:57,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:57,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 07:02:57,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:57,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 07:02:57,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:57,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 07:02:57,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:57,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 07:02:57,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:57,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 07:02:57,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:57,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 07:02:57,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:57,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 07:02:57,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:57,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 07:02:57,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:57,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 07:02:57,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:57,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 07:02:57,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:57,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 07:02:57,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:57,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 07:02:57,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:57,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 07:02:57,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:02:57,550 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-10 07:02:57,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:02:57,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086551663] [2024-11-10 07:02:57,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086551663] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:02:57,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:02:57,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 07:02:57,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013255487] [2024-11-10 07:02:57,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:02:57,553 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 07:02:57,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:02:57,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 07:02:57,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-10 07:02:57,554 INFO L87 Difference]: Start difference. First operand 584 states and 827 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-10 07:02:58,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:02:58,190 INFO L93 Difference]: Finished difference Result 2358 states and 3405 transitions. [2024-11-10 07:02:58,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 07:02:58,190 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 179 [2024-11-10 07:02:58,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:02:58,200 INFO L225 Difference]: With dead ends: 2358 [2024-11-10 07:02:58,200 INFO L226 Difference]: Without dead ends: 1971 [2024-11-10 07:02:58,203 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-10 07:02:58,203 INFO L432 NwaCegarLoop]: 131 mSDtfsCounter, 743 mSDsluCounter, 654 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 317 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 743 SdHoareTripleChecker+Valid, 785 SdHoareTripleChecker+Invalid, 568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 317 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 07:02:58,203 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [743 Valid, 785 Invalid, 568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [317 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 07:02:58,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1971 states. [2024-11-10 07:02:58,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1971 to 1527. [2024-11-10 07:02:58,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1527 states, 1081 states have (on average 1.2895467160037002) internal successors, (1394), 1093 states have internal predecessors, (1394), 392 states have call successors, (392), 53 states have call predecessors, (392), 53 states have return successors, (392), 380 states have call predecessors, (392), 392 states have call successors, (392) [2024-11-10 07:02:58,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1527 states to 1527 states and 2178 transitions. [2024-11-10 07:02:58,374 INFO L78 Accepts]: Start accepts. Automaton has 1527 states and 2178 transitions. Word has length 179 [2024-11-10 07:02:58,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:02:58,375 INFO L471 AbstractCegarLoop]: Abstraction has 1527 states and 2178 transitions. [2024-11-10 07:02:58,375 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-10 07:02:58,375 INFO L276 IsEmpty]: Start isEmpty. Operand 1527 states and 2178 transitions. [2024-11-10 07:02:58,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-10 07:02:58,376 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:02:58,376 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, 1, 1, 1, 1, 1, 1] [2024-11-10 07:02:58,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-10 07:02:58,377 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:02:58,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:02:58,377 INFO L85 PathProgramCache]: Analyzing trace with hash -600067028, now seen corresponding path program 1 times [2024-11-10 07:02:58,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:02:58,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137240511] [2024-11-10 07:02:58,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:02:58,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:02:58,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:01,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:03:01,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:01,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:03:01,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:01,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 07:03:01,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:01,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:03:01,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:01,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 07:03:01,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:01,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:03:01,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:01,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 07:03:01,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:01,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:03:01,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:01,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 07:03:01,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:01,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:03:01,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:01,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 07:03:01,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:01,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:03:01,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:01,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 07:03:01,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:01,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 07:03:01,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:01,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 07:03:01,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:01,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 07:03:01,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:01,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 07:03:01,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:01,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 07:03:01,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:01,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 07:03:01,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:01,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 07:03:01,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:01,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 07:03:01,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:01,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 07:03:01,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:01,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 07:03:01,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:01,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 07:03:01,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:01,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 07:03:01,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:01,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 07:03:01,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:01,236 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-10 07:03:01,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:03:01,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137240511] [2024-11-10 07:03:01,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137240511] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:03:01,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:03:01,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 07:03:01,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290361625] [2024-11-10 07:03:01,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:03:01,237 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 07:03:01,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:03:01,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 07:03:01,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-10 07:03:01,238 INFO L87 Difference]: Start difference. First operand 1527 states and 2178 transitions. Second operand has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 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) [2024-11-10 07:03:02,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:03:02,241 INFO L93 Difference]: Finished difference Result 2729 states and 3916 transitions. [2024-11-10 07:03:02,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 07:03:02,242 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 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 179 [2024-11-10 07:03:02,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:03:02,250 INFO L225 Difference]: With dead ends: 2729 [2024-11-10 07:03:02,251 INFO L226 Difference]: Without dead ends: 1606 [2024-11-10 07:03:02,256 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-10 07:03:02,257 INFO L432 NwaCegarLoop]: 130 mSDtfsCounter, 69 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 471 SdHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-10 07:03:02,257 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 471 Invalid, 244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 242 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-10 07:03:02,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1606 states. [2024-11-10 07:03:02,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1606 to 1540. [2024-11-10 07:03:02,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1540 states, 1094 states have (on average 1.2925045703839122) internal successors, (1414), 1106 states have internal predecessors, (1414), 392 states have call successors, (392), 53 states have call predecessors, (392), 53 states have return successors, (392), 380 states have call predecessors, (392), 392 states have call successors, (392) [2024-11-10 07:03:02,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1540 states to 1540 states and 2198 transitions. [2024-11-10 07:03:02,426 INFO L78 Accepts]: Start accepts. Automaton has 1540 states and 2198 transitions. Word has length 179 [2024-11-10 07:03:02,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:03:02,426 INFO L471 AbstractCegarLoop]: Abstraction has 1540 states and 2198 transitions. [2024-11-10 07:03:02,426 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 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) [2024-11-10 07:03:02,427 INFO L276 IsEmpty]: Start isEmpty. Operand 1540 states and 2198 transitions. [2024-11-10 07:03:02,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-10 07:03:02,428 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:03:02,428 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:03:02,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-10 07:03:02,428 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:03:02,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:03:02,429 INFO L85 PathProgramCache]: Analyzing trace with hash 1061986296, now seen corresponding path program 1 times [2024-11-10 07:03:02,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:03:02,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592233274] [2024-11-10 07:03:02,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:03:02,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:03:02,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:02,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:03:02,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:02,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:03:02,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:02,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 07:03:02,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:02,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:03:02,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:02,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 07:03:02,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:03,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:03:03,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:03,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 07:03:03,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:03,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:03:03,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:03,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 07:03:03,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:03,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:03:03,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:03,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 07:03:03,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:03,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:03:03,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:03,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 07:03:03,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:03,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 07:03:03,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:03,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 07:03:03,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:03,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 07:03:03,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:03,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 07:03:03,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:03,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 07:03:03,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:03,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 07:03:03,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:03,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 07:03:03,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:03,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 07:03:03,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:03,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 07:03:03,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:03,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 07:03:03,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:03,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 07:03:03,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:03,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 07:03:03,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:03,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 07:03:03,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:03,052 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 6 proven. 69 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2024-11-10 07:03:03,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:03:03,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592233274] [2024-11-10 07:03:03,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592233274] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 07:03:03,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2053314612] [2024-11-10 07:03:03,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:03:03,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 07:03:03,052 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 07:03:03,054 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 07:03:03,055 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-10 07:03:03,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:03,185 INFO L255 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-10 07:03:03,189 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 07:03:03,859 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 213 proven. 69 refuted. 0 times theorem prover too weak. 1018 trivial. 0 not checked. [2024-11-10 07:03:03,859 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 07:03:04,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2053314612] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 07:03:04,307 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 07:03:04,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 17 [2024-11-10 07:03:04,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530308901] [2024-11-10 07:03:04,308 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 07:03:04,308 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-10 07:03:04,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:03:04,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-10 07:03:04,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=374, Unknown=0, NotChecked=0, Total=462 [2024-11-10 07:03:04,309 INFO L87 Difference]: Start difference. First operand 1540 states and 2198 transitions. Second operand has 17 states, 17 states have (on average 4.823529411764706) internal successors, (82), 17 states have internal predecessors, (82), 2 states have call successors, (52), 3 states have call predecessors, (52), 5 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2024-11-10 07:03:05,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:03:05,577 INFO L93 Difference]: Finished difference Result 2889 states and 4098 transitions. [2024-11-10 07:03:05,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-10 07:03:05,577 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 4.823529411764706) internal successors, (82), 17 states have internal predecessors, (82), 2 states have call successors, (52), 3 states have call predecessors, (52), 5 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) Word has length 180 [2024-11-10 07:03:05,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:03:05,584 INFO L225 Difference]: With dead ends: 2889 [2024-11-10 07:03:05,585 INFO L226 Difference]: Without dead ends: 1651 [2024-11-10 07:03:05,588 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 292 GetRequests, 256 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 282 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=279, Invalid=1127, Unknown=0, NotChecked=0, Total=1406 [2024-11-10 07:03:05,588 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 482 mSDsluCounter, 773 mSDsCounter, 0 mSdLazyCounter, 691 mSolverCounterSat, 70 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 482 SdHoareTripleChecker+Valid, 871 SdHoareTripleChecker+Invalid, 767 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 691 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-10 07:03:05,589 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [482 Valid, 871 Invalid, 767 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 691 Invalid, 6 Unknown, 0 Unchecked, 0.9s Time] [2024-11-10 07:03:05,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1651 states. [2024-11-10 07:03:05,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1651 to 1517. [2024-11-10 07:03:05,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1517 states, 1071 states have (on average 1.2894491129785248) internal successors, (1381), 1083 states have internal predecessors, (1381), 392 states have call successors, (392), 53 states have call predecessors, (392), 53 states have return successors, (392), 380 states have call predecessors, (392), 392 states have call successors, (392) [2024-11-10 07:03:05,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1517 states to 1517 states and 2165 transitions. [2024-11-10 07:03:05,740 INFO L78 Accepts]: Start accepts. Automaton has 1517 states and 2165 transitions. Word has length 180 [2024-11-10 07:03:05,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:03:05,741 INFO L471 AbstractCegarLoop]: Abstraction has 1517 states and 2165 transitions. [2024-11-10 07:03:05,741 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 4.823529411764706) internal successors, (82), 17 states have internal predecessors, (82), 2 states have call successors, (52), 3 states have call predecessors, (52), 5 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2024-11-10 07:03:05,741 INFO L276 IsEmpty]: Start isEmpty. Operand 1517 states and 2165 transitions. [2024-11-10 07:03:05,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-10 07:03:05,742 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:03:05,742 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:03:05,758 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-10 07:03:05,943 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-11-10 07:03:05,943 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:03:05,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:03:05,944 INFO L85 PathProgramCache]: Analyzing trace with hash 897666008, now seen corresponding path program 1 times [2024-11-10 07:03:05,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:03:05,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199734721] [2024-11-10 07:03:05,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:03:05,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:03:06,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:07,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:03:07,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:07,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:03:07,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:07,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 07:03:07,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:07,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:03:07,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:07,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 07:03:07,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:07,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:03:07,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:07,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 07:03:07,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:07,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:03:07,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:07,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 07:03:07,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:07,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:03:07,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:07,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 07:03:07,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:07,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:03:07,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:07,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 07:03:07,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:07,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 07:03:07,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:07,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 07:03:07,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:07,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 07:03:07,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:07,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 07:03:07,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:07,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 07:03:07,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:07,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 07:03:07,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:07,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 07:03:07,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:07,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 07:03:07,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:07,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 07:03:07,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:07,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 07:03:07,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:07,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 07:03:07,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:07,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 07:03:07,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:07,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 07:03:07,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:07,348 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 54 proven. 153 refuted. 0 times theorem prover too weak. 1093 trivial. 0 not checked. [2024-11-10 07:03:07,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:03:07,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199734721] [2024-11-10 07:03:07,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199734721] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 07:03:07,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1497202799] [2024-11-10 07:03:07,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:03:07,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 07:03:07,349 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 07:03:07,351 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 07:03:07,352 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-10 07:03:07,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:03:07,623 INFO L255 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-10 07:03:07,629 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 07:03:09,683 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 362 proven. 246 refuted. 0 times theorem prover too weak. 692 trivial. 0 not checked. [2024-11-10 07:03:09,684 INFO L311 TraceCheckSpWp]: Computing backward predicates...