./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-42.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-42.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 5e104cbbe92849db5f4f231224a2ac2d2f04205e465893be255099ba4190cda0 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 17:20:50,195 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 17:20:50,257 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 17:20:50,274 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 17:20:50,276 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 17:20:50,310 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 17:20:50,312 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 17:20:50,312 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 17:20:50,313 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 17:20:50,314 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 17:20:50,315 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 17:20:50,315 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 17:20:50,316 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 17:20:50,317 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 17:20:50,317 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 17:20:50,318 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 17:20:50,318 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 17:20:50,318 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 17:20:50,319 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 17:20:50,321 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 17:20:50,321 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 17:20:50,322 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 17:20:50,322 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 17:20:50,322 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 17:20:50,323 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 17:20:50,323 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 17:20:50,323 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 17:20:50,323 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 17:20:50,323 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 17:20:50,324 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 17:20:50,324 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 17:20:50,324 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 17:20:50,324 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 17:20:50,325 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 17:20:50,325 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 17:20:50,326 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 17:20:50,326 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 17:20:50,327 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 17:20:50,327 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 17:20:50,327 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 17:20:50,327 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 17:20:50,328 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 17:20:50,328 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5e104cbbe92849db5f4f231224a2ac2d2f04205e465893be255099ba4190cda0 [2024-11-16 17:20:50,599 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 17:20:50,624 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 17:20:50,628 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 17:20:50,629 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 17:20:50,629 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 17:20:50,631 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-42.i [2024-11-16 17:20:52,133 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 17:20:52,375 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 17:20:52,376 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-42.i [2024-11-16 17:20:52,388 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6f620824/eac21b47ba5a4529a5fe2a5060836dfa/FLAGfe7548f2e [2024-11-16 17:20:52,400 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6f620824/eac21b47ba5a4529a5fe2a5060836dfa [2024-11-16 17:20:52,402 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 17:20:52,404 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 17:20:52,405 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 17:20:52,405 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 17:20:52,411 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 17:20:52,412 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 05:20:52" (1/1) ... [2024-11-16 17:20:52,413 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@835feee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:20:52, skipping insertion in model container [2024-11-16 17:20:52,413 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 05:20:52" (1/1) ... [2024-11-16 17:20:52,456 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 17:20:52,620 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_operatoramount_amount250_file-42.i[916,929] [2024-11-16 17:20:52,809 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 17:20:52,821 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 17:20:52,833 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_operatoramount_amount250_file-42.i[916,929] [2024-11-16 17:20:52,914 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 17:20:52,937 INFO L204 MainTranslator]: Completed translation [2024-11-16 17:20:52,937 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:20:52 WrapperNode [2024-11-16 17:20:52,938 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 17:20:52,939 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 17:20:52,939 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 17:20:52,939 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 17:20:52,945 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:20:52" (1/1) ... [2024-11-16 17:20:52,963 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:20:52" (1/1) ... [2024-11-16 17:20:53,037 INFO L138 Inliner]: procedures = 26, calls = 56, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 425 [2024-11-16 17:20:53,038 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 17:20:53,039 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 17:20:53,039 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 17:20:53,039 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 17:20:53,049 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:20:52" (1/1) ... [2024-11-16 17:20:53,050 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:20:52" (1/1) ... [2024-11-16 17:20:53,069 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:20:52" (1/1) ... [2024-11-16 17:20:53,120 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-16 17:20:53,121 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:20:52" (1/1) ... [2024-11-16 17:20:53,122 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:20:52" (1/1) ... [2024-11-16 17:20:53,161 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:20:52" (1/1) ... [2024-11-16 17:20:53,169 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:20:52" (1/1) ... [2024-11-16 17:20:53,180 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:20:52" (1/1) ... [2024-11-16 17:20:53,186 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:20:52" (1/1) ... [2024-11-16 17:20:53,199 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 17:20:53,200 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 17:20:53,200 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 17:20:53,200 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 17:20:53,201 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:20:52" (1/1) ... [2024-11-16 17:20:53,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 17:20:53,218 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 17:20:53,238 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-16 17:20:53,242 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-16 17:20:53,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 17:20:53,281 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 17:20:53,281 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 17:20:53,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 17:20:53,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 17:20:53,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 17:20:53,384 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 17:20:53,386 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 17:20:54,116 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L352: havoc property_#t~ite39#1;havoc property_#t~bitwise35#1;havoc property_#t~bitwise36#1;havoc property_#t~ite38#1;havoc property_#t~bitwise37#1;havoc property_#t~short40#1;havoc property_#t~bitwise41#1;havoc property_#t~short42#1; [2024-11-16 17:20:54,182 INFO L? ?]: Removed 45 outVars from TransFormulas that were not future-live. [2024-11-16 17:20:54,183 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 17:20:54,216 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 17:20:54,217 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 17:20:54,218 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 05:20:54 BoogieIcfgContainer [2024-11-16 17:20:54,218 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 17:20:54,221 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 17:20:54,221 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 17:20:54,225 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 17:20:54,226 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 05:20:52" (1/3) ... [2024-11-16 17:20:54,226 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@699bf707 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 05:20:54, skipping insertion in model container [2024-11-16 17:20:54,227 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:20:52" (2/3) ... [2024-11-16 17:20:54,228 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@699bf707 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 05:20:54, skipping insertion in model container [2024-11-16 17:20:54,228 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 05:20:54" (3/3) ... [2024-11-16 17:20:54,229 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount250_file-42.i [2024-11-16 17:20:54,247 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 17:20:54,248 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 17:20:54,326 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 17:20:54,336 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;@156a1d2d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 17:20:54,337 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 17:20:54,343 INFO L276 IsEmpty]: Start isEmpty. Operand has 178 states, 132 states have (on average 1.5227272727272727) internal successors, (201), 133 states have internal predecessors, (201), 43 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-16 17:20:54,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2024-11-16 17:20:54,366 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:20:54,368 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 17:20:54,368 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:20:54,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:20:54,375 INFO L85 PathProgramCache]: Analyzing trace with hash 1655657756, now seen corresponding path program 1 times [2024-11-16 17:20:54,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 17:20:54,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912291312] [2024-11-16 17:20:54,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:20:54,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 17:20:54,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:54,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 17:20:54,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:54,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 17:20:54,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:54,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 17:20:54,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:54,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 17:20:54,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:54,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 17:20:54,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:54,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 17:20:54,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:54,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 17:20:54,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:54,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-16 17:20:54,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:54,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-16 17:20:54,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:54,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-16 17:20:54,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:54,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-16 17:20:54,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:54,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-16 17:20:54,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:54,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-16 17:20:54,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:54,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-16 17:20:54,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:54,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-16 17:20:54,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:54,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-16 17:20:54,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:54,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-16 17:20:55,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:55,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 17:20:55,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:55,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-16 17:20:55,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:55,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-16 17:20:55,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:55,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-16 17:20:55,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:55,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-16 17:20:55,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:55,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-16 17:20:55,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:55,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-16 17:20:55,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:55,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-16 17:20:55,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:55,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-16 17:20:55,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:55,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-16 17:20:55,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:55,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-16 17:20:55,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:55,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-16 17:20:55,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:55,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-16 17:20:55,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:55,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-16 17:20:55,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:55,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-16 17:20:55,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:55,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-16 17:20:55,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:55,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-16 17:20:55,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:55,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-16 17:20:55,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:55,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-16 17:20:55,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:55,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-16 17:20:55,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:55,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-16 17:20:55,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:55,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-16 17:20:55,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:55,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-16 17:20:55,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:55,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-16 17:20:55,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:55,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-16 17:20:55,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:55,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-16 17:20:55,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:55,179 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2024-11-16 17:20:55,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 17:20:55,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912291312] [2024-11-16 17:20:55,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912291312] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 17:20:55,183 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 17:20:55,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 17:20:55,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518052888] [2024-11-16 17:20:55,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 17:20:55,191 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 17:20:55,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 17:20:55,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 17:20:55,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 17:20:55,227 INFO L87 Difference]: Start difference. First operand has 178 states, 132 states have (on average 1.5227272727272727) internal successors, (201), 133 states have internal predecessors, (201), 43 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) Second operand has 2 states, 2 states have (on average 37.5) internal successors, (75), 2 states have internal predecessors, (75), 2 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 2 states have call successors, (43) [2024-11-16 17:20:55,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 17:20:55,293 INFO L93 Difference]: Finished difference Result 348 states and 610 transitions. [2024-11-16 17:20:55,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 17:20:55,296 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 37.5) internal successors, (75), 2 states have internal predecessors, (75), 2 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 2 states have call successors, (43) Word has length 287 [2024-11-16 17:20:55,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 17:20:55,307 INFO L225 Difference]: With dead ends: 348 [2024-11-16 17:20:55,308 INFO L226 Difference]: Without dead ends: 173 [2024-11-16 17:20:55,314 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 17:20:55,318 INFO L432 NwaCegarLoop]: 268 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 17:20:55,322 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 268 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 17:20:55,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2024-11-16 17:20:55,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2024-11-16 17:20:55,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 128 states have (on average 1.484375) internal successors, (190), 128 states have internal predecessors, (190), 43 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-16 17:20:55,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 276 transitions. [2024-11-16 17:20:55,393 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 276 transitions. Word has length 287 [2024-11-16 17:20:55,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 17:20:55,394 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 276 transitions. [2024-11-16 17:20:55,394 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 37.5) internal successors, (75), 2 states have internal predecessors, (75), 2 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 2 states have call successors, (43) [2024-11-16 17:20:55,394 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 276 transitions. [2024-11-16 17:20:55,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2024-11-16 17:20:55,400 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:20:55,401 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 17:20:55,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 17:20:55,401 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:20:55,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:20:55,402 INFO L85 PathProgramCache]: Analyzing trace with hash -771947829, now seen corresponding path program 1 times [2024-11-16 17:20:55,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 17:20:55,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31562642] [2024-11-16 17:20:55,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:20:55,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 17:20:55,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:56,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 17:20:56,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:56,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 17:20:56,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:56,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 17:20:56,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:56,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 17:20:56,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:56,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 17:20:56,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:56,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 17:20:56,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:56,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 17:20:56,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:56,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-16 17:20:56,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:56,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-16 17:20:56,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:56,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-16 17:20:56,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:56,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-16 17:20:56,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:56,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-16 17:20:56,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:56,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-16 17:20:56,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:56,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-16 17:20:56,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:56,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-16 17:20:56,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:56,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-16 17:20:56,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:56,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-16 17:20:56,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:56,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 17:20:56,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:56,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-16 17:20:56,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:56,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-16 17:20:56,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:56,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-16 17:20:56,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:56,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-16 17:20:56,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:56,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-16 17:20:56,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:56,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-16 17:20:56,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:56,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-16 17:20:56,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:56,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-16 17:20:56,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:56,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-16 17:20:56,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:56,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-16 17:20:56,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:56,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-16 17:20:56,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:56,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-16 17:20:56,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:56,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-16 17:20:56,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:56,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-16 17:20:56,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:56,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-16 17:20:56,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:56,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-16 17:20:56,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:56,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-16 17:20:56,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:56,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-16 17:20:56,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:56,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-16 17:20:56,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:56,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-16 17:20:56,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:56,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-16 17:20:56,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:56,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-16 17:20:56,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:56,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-16 17:20:56,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:56,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-16 17:20:56,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:56,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-16 17:20:56,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:56,395 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2024-11-16 17:20:56,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 17:20:56,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31562642] [2024-11-16 17:20:56,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31562642] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 17:20:56,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 17:20:56,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 17:20:56,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446311818] [2024-11-16 17:20:56,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 17:20:56,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 17:20:56,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 17:20:56,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 17:20:56,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 17:20:56,403 INFO L87 Difference]: Start difference. First operand 173 states and 276 transitions. Second operand has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-16 17:20:56,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 17:20:56,774 INFO L93 Difference]: Finished difference Result 515 states and 824 transitions. [2024-11-16 17:20:56,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 17:20:56,774 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) Word has length 288 [2024-11-16 17:20:56,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 17:20:56,782 INFO L225 Difference]: With dead ends: 515 [2024-11-16 17:20:56,782 INFO L226 Difference]: Without dead ends: 345 [2024-11-16 17:20:56,787 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-16 17:20:56,788 INFO L432 NwaCegarLoop]: 265 mSDtfsCounter, 189 mSDsluCounter, 514 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 779 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 17:20:56,789 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 779 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 17:20:56,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2024-11-16 17:20:56,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 261. [2024-11-16 17:20:56,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 172 states have (on average 1.4127906976744187) internal successors, (243), 172 states have internal predecessors, (243), 86 states have call successors, (86), 2 states have call predecessors, (86), 2 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) [2024-11-16 17:20:56,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 415 transitions. [2024-11-16 17:20:56,857 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 415 transitions. Word has length 288 [2024-11-16 17:20:56,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 17:20:56,859 INFO L471 AbstractCegarLoop]: Abstraction has 261 states and 415 transitions. [2024-11-16 17:20:56,861 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-16 17:20:56,861 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 415 transitions. [2024-11-16 17:20:56,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2024-11-16 17:20:56,870 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:20:56,870 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 17:20:56,870 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 17:20:56,870 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:20:56,871 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:20:56,871 INFO L85 PathProgramCache]: Analyzing trace with hash -1890819703, now seen corresponding path program 1 times [2024-11-16 17:20:56,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 17:20:56,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761405850] [2024-11-16 17:20:56,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:20:56,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 17:20:56,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:57,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 17:20:57,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:57,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 17:20:57,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:57,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 17:20:57,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:57,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 17:20:57,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:57,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 17:20:57,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:57,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 17:20:57,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:57,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 17:20:57,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:57,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-16 17:20:57,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:57,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-16 17:20:57,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:57,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-16 17:20:57,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:57,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-16 17:20:57,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:57,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-16 17:20:57,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:57,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-16 17:20:57,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:57,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-16 17:20:57,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:57,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-16 17:20:57,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:57,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-16 17:20:57,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:57,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-16 17:20:57,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:57,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 17:20:57,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:57,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-16 17:20:57,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:57,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-16 17:20:57,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:57,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-16 17:20:57,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:57,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-16 17:20:57,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:57,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-16 17:20:57,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:57,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-16 17:20:57,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:57,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-16 17:20:57,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:57,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-16 17:20:57,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:57,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-16 17:20:57,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:57,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-16 17:20:57,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:57,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-16 17:20:57,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:57,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-16 17:20:57,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:57,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-16 17:20:57,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:57,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-16 17:20:57,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:57,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-16 17:20:57,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:57,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-16 17:20:57,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:57,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-16 17:20:57,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:57,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-16 17:20:57,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:57,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-16 17:20:57,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:57,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-16 17:20:57,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:57,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-16 17:20:57,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:57,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-16 17:20:57,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:57,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-16 17:20:57,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:57,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-16 17:20:57,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:57,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-16 17:20:57,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:57,359 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2024-11-16 17:20:57,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 17:20:57,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761405850] [2024-11-16 17:20:57,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761405850] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 17:20:57,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 17:20:57,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 17:20:57,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445193410] [2024-11-16 17:20:57,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 17:20:57,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 17:20:57,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 17:20:57,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 17:20:57,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 17:20:57,362 INFO L87 Difference]: Start difference. First operand 261 states and 415 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-16 17:20:57,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 17:20:57,514 INFO L93 Difference]: Finished difference Result 534 states and 848 transitions. [2024-11-16 17:20:57,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 17:20:57,515 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) Word has length 290 [2024-11-16 17:20:57,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 17:20:57,519 INFO L225 Difference]: With dead ends: 534 [2024-11-16 17:20:57,519 INFO L226 Difference]: Without dead ends: 364 [2024-11-16 17:20:57,521 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 17:20:57,522 INFO L432 NwaCegarLoop]: 296 mSDtfsCounter, 153 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 527 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 17:20:57,523 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 527 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 17:20:57,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2024-11-16 17:20:57,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 360. [2024-11-16 17:20:57,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 256 states have (on average 1.44921875) internal successors, (371), 257 states have internal predecessors, (371), 100 states have call successors, (100), 3 states have call predecessors, (100), 3 states have return successors, (100), 99 states have call predecessors, (100), 100 states have call successors, (100) [2024-11-16 17:20:57,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 571 transitions. [2024-11-16 17:20:57,578 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 571 transitions. Word has length 290 [2024-11-16 17:20:57,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 17:20:57,579 INFO L471 AbstractCegarLoop]: Abstraction has 360 states and 571 transitions. [2024-11-16 17:20:57,579 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-16 17:20:57,580 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 571 transitions. [2024-11-16 17:20:57,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2024-11-16 17:20:57,583 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:20:57,583 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 17:20:57,584 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 17:20:57,584 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:20:57,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:20:57,584 INFO L85 PathProgramCache]: Analyzing trace with hash -646055222, now seen corresponding path program 1 times [2024-11-16 17:20:57,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 17:20:57,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68636764] [2024-11-16 17:20:57,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:20:57,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 17:20:57,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:58,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 17:20:58,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:58,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 17:20:58,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:58,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 17:20:58,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:58,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 17:20:58,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:58,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 17:20:58,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:58,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 17:20:58,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:58,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 17:20:58,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:58,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-16 17:20:58,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:58,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-16 17:20:58,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:58,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-16 17:20:58,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:58,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-16 17:20:58,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:58,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-16 17:20:58,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:58,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-16 17:20:58,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:58,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-16 17:20:58,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:58,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-16 17:20:58,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:58,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-16 17:20:58,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:58,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-16 17:20:58,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:58,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 17:20:58,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:58,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-16 17:20:58,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:58,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-16 17:20:58,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:58,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-16 17:20:58,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:58,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-16 17:20:58,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:58,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-16 17:20:58,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:58,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-16 17:20:58,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:58,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-16 17:20:58,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:58,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-16 17:20:58,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:58,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-16 17:20:58,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:58,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-16 17:20:58,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:58,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-16 17:20:58,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:58,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-16 17:20:58,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:58,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-16 17:20:58,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:58,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-16 17:20:58,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:58,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-16 17:20:58,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:58,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-16 17:20:58,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:58,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-16 17:20:58,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:58,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-16 17:20:58,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:58,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-16 17:20:58,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:58,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-16 17:20:58,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:58,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-16 17:20:58,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:58,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-16 17:20:58,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:58,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-16 17:20:58,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:58,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-16 17:20:58,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:58,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-16 17:20:58,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:58,286 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2024-11-16 17:20:58,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 17:20:58,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68636764] [2024-11-16 17:20:58,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68636764] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 17:20:58,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 17:20:58,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 17:20:58,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862271089] [2024-11-16 17:20:58,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 17:20:58,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 17:20:58,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 17:20:58,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 17:20:58,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-16 17:20:58,290 INFO L87 Difference]: Start difference. First operand 360 states and 571 transitions. Second operand has 6 states, 6 states have (on average 13.0) internal successors, (78), 6 states have internal predecessors, (78), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-16 17:20:58,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 17:20:58,783 INFO L93 Difference]: Finished difference Result 896 states and 1424 transitions. [2024-11-16 17:20:58,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 17:20:58,784 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 6 states have internal predecessors, (78), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) Word has length 290 [2024-11-16 17:20:58,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 17:20:58,790 INFO L225 Difference]: With dead ends: 896 [2024-11-16 17:20:58,790 INFO L226 Difference]: Without dead ends: 627 [2024-11-16 17:20:58,791 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-16 17:20:58,792 INFO L432 NwaCegarLoop]: 273 mSDtfsCounter, 261 mSDsluCounter, 776 mSDsCounter, 0 mSdLazyCounter, 418 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 261 SdHoareTripleChecker+Valid, 1049 SdHoareTripleChecker+Invalid, 421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 418 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 17:20:58,793 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [261 Valid, 1049 Invalid, 421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 418 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 17:20:58,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 627 states. [2024-11-16 17:20:58,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 627 to 378. [2024-11-16 17:20:58,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 378 states, 274 states have (on average 1.4598540145985401) internal successors, (400), 275 states have internal predecessors, (400), 100 states have call successors, (100), 3 states have call predecessors, (100), 3 states have return successors, (100), 99 states have call predecessors, (100), 100 states have call successors, (100) [2024-11-16 17:20:58,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 600 transitions. [2024-11-16 17:20:58,850 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 600 transitions. Word has length 290 [2024-11-16 17:20:58,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 17:20:58,853 INFO L471 AbstractCegarLoop]: Abstraction has 378 states and 600 transitions. [2024-11-16 17:20:58,853 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 6 states have internal predecessors, (78), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-16 17:20:58,853 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 600 transitions. [2024-11-16 17:20:58,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2024-11-16 17:20:58,857 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:20:58,858 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 17:20:58,858 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 17:20:58,859 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:20:58,860 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:20:58,860 INFO L85 PathProgramCache]: Analyzing trace with hash -434704309, now seen corresponding path program 1 times [2024-11-16 17:20:58,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 17:20:58,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113537104] [2024-11-16 17:20:58,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:20:58,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 17:20:59,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:59,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 17:20:59,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:59,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 17:20:59,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:59,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 17:20:59,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:59,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 17:20:59,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:59,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 17:20:59,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:59,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 17:20:59,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:59,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 17:20:59,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:59,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-16 17:20:59,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:59,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-16 17:20:59,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:59,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-16 17:20:59,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:59,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-16 17:20:59,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:59,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-16 17:20:59,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:59,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-16 17:20:59,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:59,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-16 17:20:59,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:59,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-16 17:20:59,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:59,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-16 17:20:59,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:59,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-16 17:20:59,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:59,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 17:20:59,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:59,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-16 17:20:59,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:59,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-16 17:20:59,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:59,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-16 17:20:59,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:59,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-16 17:20:59,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:59,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-16 17:20:59,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:59,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-16 17:20:59,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:59,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-16 17:20:59,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:59,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-16 17:20:59,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:59,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-16 17:20:59,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:59,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-16 17:20:59,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:59,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-16 17:20:59,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:59,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-16 17:20:59,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:59,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-16 17:20:59,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:59,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-16 17:20:59,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:59,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-16 17:20:59,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:59,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-16 17:20:59,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:59,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-16 17:20:59,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:59,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-16 17:20:59,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:59,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-16 17:20:59,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:59,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-16 17:20:59,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:59,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-16 17:20:59,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:59,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-16 17:20:59,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:59,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-16 17:20:59,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:59,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-16 17:20:59,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:59,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-16 17:20:59,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:59,582 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2024-11-16 17:20:59,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 17:20:59,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113537104] [2024-11-16 17:20:59,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113537104] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 17:20:59,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 17:20:59,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 17:20:59,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965102134] [2024-11-16 17:20:59,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 17:20:59,584 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 17:20:59,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 17:20:59,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 17:20:59,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-16 17:20:59,585 INFO L87 Difference]: Start difference. First operand 378 states and 600 transitions. Second operand has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-16 17:20:59,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 17:20:59,752 INFO L93 Difference]: Finished difference Result 975 states and 1522 transitions. [2024-11-16 17:20:59,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 17:20:59,753 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) Word has length 290 [2024-11-16 17:20:59,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 17:20:59,759 INFO L225 Difference]: With dead ends: 975 [2024-11-16 17:20:59,759 INFO L226 Difference]: Without dead ends: 688 [2024-11-16 17:20:59,761 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-16 17:20:59,761 INFO L432 NwaCegarLoop]: 393 mSDtfsCounter, 199 mSDsluCounter, 544 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 937 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 17:20:59,762 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 937 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 17:20:59,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 688 states. [2024-11-16 17:20:59,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 688 to 604. [2024-11-16 17:20:59,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 604 states, 486 states have (on average 1.4938271604938271) internal successors, (726), 489 states have internal predecessors, (726), 112 states have call successors, (112), 5 states have call predecessors, (112), 5 states have return successors, (112), 109 states have call predecessors, (112), 112 states have call successors, (112) [2024-11-16 17:20:59,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 604 states and 950 transitions. [2024-11-16 17:20:59,818 INFO L78 Accepts]: Start accepts. Automaton has 604 states and 950 transitions. Word has length 290 [2024-11-16 17:20:59,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 17:20:59,818 INFO L471 AbstractCegarLoop]: Abstraction has 604 states and 950 transitions. [2024-11-16 17:20:59,819 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-16 17:20:59,819 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 950 transitions. [2024-11-16 17:20:59,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2024-11-16 17:20:59,824 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:20:59,824 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 17:20:59,825 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 17:20:59,825 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:20:59,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:20:59,825 INFO L85 PathProgramCache]: Analyzing trace with hash -403684502, now seen corresponding path program 1 times [2024-11-16 17:20:59,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 17:20:59,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43462016] [2024-11-16 17:20:59,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:20:59,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 17:20:59,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:59,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 17:20:59,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:59,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 17:20:59,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:59,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 17:20:59,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:59,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 17:20:59,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:59,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 17:20:59,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:59,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 17:20:59,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:59,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 17:20:59,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:59,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-16 17:20:59,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:59,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-16 17:20:59,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:59,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-16 17:20:59,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:59,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-16 17:20:59,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:59,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-16 17:20:59,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:59,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-16 17:20:59,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:59,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-16 17:20:59,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:59,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-16 17:20:59,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:20:59,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-16 17:21:00,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:00,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-16 17:21:00,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:00,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 17:21:00,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:00,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-16 17:21:00,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:00,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-16 17:21:00,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:00,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-16 17:21:00,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:00,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-16 17:21:00,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:00,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-16 17:21:00,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:00,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-16 17:21:00,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:00,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-16 17:21:00,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:00,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-16 17:21:00,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:00,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-16 17:21:00,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:00,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-16 17:21:00,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:00,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-16 17:21:00,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:00,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-16 17:21:00,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:00,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-16 17:21:00,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:00,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-16 17:21:00,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:00,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-16 17:21:00,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:00,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-16 17:21:00,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:00,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-16 17:21:00,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:00,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-16 17:21:00,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:00,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-16 17:21:00,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:00,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-16 17:21:00,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:00,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-16 17:21:00,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:00,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-16 17:21:00,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:00,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-16 17:21:00,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:00,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-16 17:21:00,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:00,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-16 17:21:00,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:00,078 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2024-11-16 17:21:00,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 17:21:00,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43462016] [2024-11-16 17:21:00,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43462016] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 17:21:00,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 17:21:00,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 17:21:00,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070169104] [2024-11-16 17:21:00,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 17:21:00,080 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 17:21:00,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 17:21:00,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 17:21:00,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 17:21:00,081 INFO L87 Difference]: Start difference. First operand 604 states and 950 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-16 17:21:00,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 17:21:00,191 INFO L93 Difference]: Finished difference Result 1529 states and 2386 transitions. [2024-11-16 17:21:00,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 17:21:00,192 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) Word has length 290 [2024-11-16 17:21:00,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 17:21:00,199 INFO L225 Difference]: With dead ends: 1529 [2024-11-16 17:21:00,199 INFO L226 Difference]: Without dead ends: 1016 [2024-11-16 17:21:00,201 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 17:21:00,203 INFO L432 NwaCegarLoop]: 427 mSDtfsCounter, 241 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 673 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 17:21:00,203 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [241 Valid, 673 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 17:21:00,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1016 states. [2024-11-16 17:21:00,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1016 to 750. [2024-11-16 17:21:00,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 750 states, 632 states have (on average 1.5158227848101267) internal successors, (958), 635 states have internal predecessors, (958), 112 states have call successors, (112), 5 states have call predecessors, (112), 5 states have return successors, (112), 109 states have call predecessors, (112), 112 states have call successors, (112) [2024-11-16 17:21:00,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 750 states and 1182 transitions. [2024-11-16 17:21:00,262 INFO L78 Accepts]: Start accepts. Automaton has 750 states and 1182 transitions. Word has length 290 [2024-11-16 17:21:00,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 17:21:00,262 INFO L471 AbstractCegarLoop]: Abstraction has 750 states and 1182 transitions. [2024-11-16 17:21:00,262 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-16 17:21:00,263 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 1182 transitions. [2024-11-16 17:21:00,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2024-11-16 17:21:00,267 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:21:00,267 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 17:21:00,268 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 17:21:00,268 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:21:00,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:21:00,268 INFO L85 PathProgramCache]: Analyzing trace with hash 1229119497, now seen corresponding path program 1 times [2024-11-16 17:21:00,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 17:21:00,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019858955] [2024-11-16 17:21:00,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:21:00,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 17:21:00,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:00,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 17:21:00,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:00,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 17:21:00,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:00,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 17:21:00,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:00,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 17:21:00,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:00,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 17:21:00,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:00,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 17:21:00,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:00,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 17:21:00,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:00,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-16 17:21:00,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:00,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-16 17:21:00,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:00,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-16 17:21:00,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:00,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-16 17:21:00,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:00,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-16 17:21:00,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:00,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-16 17:21:00,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:00,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-16 17:21:00,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:00,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-16 17:21:00,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:00,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-16 17:21:00,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:00,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-16 17:21:00,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:00,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 17:21:00,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:00,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-16 17:21:00,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:00,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-16 17:21:00,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:00,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-16 17:21:00,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:00,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-16 17:21:00,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:00,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-16 17:21:00,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:00,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-16 17:21:00,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:00,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-16 17:21:00,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:00,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-16 17:21:00,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:00,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-16 17:21:00,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:00,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-16 17:21:00,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:00,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-16 17:21:00,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:00,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-16 17:21:00,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:00,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-16 17:21:00,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:00,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-16 17:21:00,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:00,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-16 17:21:00,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:00,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-16 17:21:00,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:00,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-16 17:21:00,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:00,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-16 17:21:00,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:00,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-16 17:21:00,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:00,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-16 17:21:00,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:00,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-16 17:21:00,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:00,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-16 17:21:00,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:00,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-16 17:21:00,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:00,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-16 17:21:00,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:00,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-16 17:21:00,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:00,893 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2024-11-16 17:21:00,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 17:21:00,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019858955] [2024-11-16 17:21:00,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019858955] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 17:21:00,893 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 17:21:00,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 17:21:00,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172966011] [2024-11-16 17:21:00,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 17:21:00,894 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 17:21:00,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 17:21:00,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 17:21:00,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 17:21:00,896 INFO L87 Difference]: Start difference. First operand 750 states and 1182 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-16 17:21:00,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 17:21:00,986 INFO L93 Difference]: Finished difference Result 1718 states and 2714 transitions. [2024-11-16 17:21:00,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 17:21:00,986 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) Word has length 290 [2024-11-16 17:21:00,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 17:21:00,994 INFO L225 Difference]: With dead ends: 1718 [2024-11-16 17:21:00,994 INFO L226 Difference]: Without dead ends: 1062 [2024-11-16 17:21:00,995 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 88 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 17:21:00,998 INFO L432 NwaCegarLoop]: 360 mSDtfsCounter, 165 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 617 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 17:21:00,998 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 617 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 17:21:00,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1062 states. [2024-11-16 17:21:01,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1062 to 1032. [2024-11-16 17:21:01,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1032 states, 855 states have (on average 1.5134502923976607) internal successors, (1294), 859 states have internal predecessors, (1294), 169 states have call successors, (169), 7 states have call predecessors, (169), 7 states have return successors, (169), 165 states have call predecessors, (169), 169 states have call successors, (169) [2024-11-16 17:21:01,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 1032 states and 1632 transitions. [2024-11-16 17:21:01,074 INFO L78 Accepts]: Start accepts. Automaton has 1032 states and 1632 transitions. Word has length 290 [2024-11-16 17:21:01,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 17:21:01,076 INFO L471 AbstractCegarLoop]: Abstraction has 1032 states and 1632 transitions. [2024-11-16 17:21:01,076 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-16 17:21:01,076 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 1632 transitions. [2024-11-16 17:21:01,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2024-11-16 17:21:01,080 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:21:01,080 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 17:21:01,080 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 17:21:01,080 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:21:01,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:21:01,081 INFO L85 PathProgramCache]: Analyzing trace with hash 1377277653, now seen corresponding path program 1 times [2024-11-16 17:21:01,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 17:21:01,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141707868] [2024-11-16 17:21:01,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:21:01,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 17:21:01,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:02,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 17:21:02,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:02,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 17:21:02,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:02,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 17:21:02,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:02,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 17:21:02,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:02,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 17:21:02,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:02,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 17:21:02,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:02,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 17:21:02,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:02,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-16 17:21:02,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:02,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-16 17:21:02,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:02,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-16 17:21:02,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:02,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-16 17:21:02,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:02,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-16 17:21:02,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:02,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-16 17:21:02,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:02,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-16 17:21:02,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:02,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-16 17:21:02,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:02,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-16 17:21:02,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:02,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-16 17:21:02,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:02,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 17:21:02,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:02,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-16 17:21:02,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:02,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-16 17:21:02,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:02,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-16 17:21:02,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:02,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-16 17:21:02,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:02,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-16 17:21:02,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:02,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-16 17:21:02,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:02,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-16 17:21:02,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:02,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-16 17:21:02,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:02,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-16 17:21:02,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:02,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-16 17:21:02,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:02,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-16 17:21:02,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:02,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-16 17:21:02,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:02,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-16 17:21:02,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:02,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-16 17:21:02,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:02,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-16 17:21:02,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:02,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-16 17:21:02,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:02,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-16 17:21:02,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:02,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-16 17:21:02,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:02,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-16 17:21:02,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:02,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-16 17:21:02,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:02,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-16 17:21:02,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:02,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-16 17:21:02,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:02,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-16 17:21:02,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:02,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-16 17:21:02,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:02,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-16 17:21:02,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:02,751 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 105 proven. 21 refuted. 0 times theorem prover too weak. 3486 trivial. 0 not checked. [2024-11-16 17:21:02,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 17:21:02,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141707868] [2024-11-16 17:21:02,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141707868] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 17:21:02,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1698854841] [2024-11-16 17:21:02,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:21:02,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 17:21:02,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 17:21:02,754 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 17:21:02,756 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-16 17:21:03,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:03,020 INFO L255 TraceCheckSpWp]: Trace formula consists of 687 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-16 17:21:03,035 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 17:21:03,515 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 1638 proven. 84 refuted. 0 times theorem prover too weak. 1890 trivial. 0 not checked. [2024-11-16 17:21:03,516 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 17:21:03,959 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 42 proven. 84 refuted. 0 times theorem prover too weak. 3486 trivial. 0 not checked. [2024-11-16 17:21:03,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1698854841] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 17:21:03,960 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 17:21:03,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 12 [2024-11-16 17:21:03,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283588999] [2024-11-16 17:21:03,960 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 17:21:03,961 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-16 17:21:03,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 17:21:03,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-16 17:21:03,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-11-16 17:21:03,963 INFO L87 Difference]: Start difference. First operand 1032 states and 1632 transitions. Second operand has 12 states, 12 states have (on average 14.833333333333334) internal successors, (178), 12 states have internal predecessors, (178), 5 states have call successors, (114), 2 states have call predecessors, (114), 4 states have return successors, (115), 5 states have call predecessors, (115), 5 states have call successors, (115) [2024-11-16 17:21:05,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 17:21:05,661 INFO L93 Difference]: Finished difference Result 2062 states and 3236 transitions. [2024-11-16 17:21:05,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-16 17:21:05,662 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 14.833333333333334) internal successors, (178), 12 states have internal predecessors, (178), 5 states have call successors, (114), 2 states have call predecessors, (114), 4 states have return successors, (115), 5 states have call predecessors, (115), 5 states have call successors, (115) Word has length 291 [2024-11-16 17:21:05,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 17:21:05,669 INFO L225 Difference]: With dead ends: 2062 [2024-11-16 17:21:05,669 INFO L226 Difference]: Without dead ends: 1115 [2024-11-16 17:21:05,674 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 703 GetRequests, 670 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 279 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=338, Invalid=852, Unknown=0, NotChecked=0, Total=1190 [2024-11-16 17:21:05,675 INFO L432 NwaCegarLoop]: 273 mSDtfsCounter, 1555 mSDsluCounter, 1121 mSDsCounter, 0 mSdLazyCounter, 720 mSolverCounterSat, 503 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1569 SdHoareTripleChecker+Valid, 1394 SdHoareTripleChecker+Invalid, 1223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 503 IncrementalHoareTripleChecker+Valid, 720 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-16 17:21:05,675 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1569 Valid, 1394 Invalid, 1223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [503 Valid, 720 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-16 17:21:05,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1115 states. [2024-11-16 17:21:05,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1115 to 877. [2024-11-16 17:21:05,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 877 states, 695 states have (on average 1.4546762589928057) internal successors, (1011), 697 states have internal predecessors, (1011), 169 states have call successors, (169), 12 states have call predecessors, (169), 12 states have return successors, (169), 167 states have call predecessors, (169), 169 states have call successors, (169) [2024-11-16 17:21:05,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 877 states and 1349 transitions. [2024-11-16 17:21:05,756 INFO L78 Accepts]: Start accepts. Automaton has 877 states and 1349 transitions. Word has length 291 [2024-11-16 17:21:05,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 17:21:05,757 INFO L471 AbstractCegarLoop]: Abstraction has 877 states and 1349 transitions. [2024-11-16 17:21:05,758 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 14.833333333333334) internal successors, (178), 12 states have internal predecessors, (178), 5 states have call successors, (114), 2 states have call predecessors, (114), 4 states have return successors, (115), 5 states have call predecessors, (115), 5 states have call successors, (115) [2024-11-16 17:21:05,758 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 1349 transitions. [2024-11-16 17:21:05,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2024-11-16 17:21:05,761 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:21:05,761 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 17:21:05,782 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-16 17:21:05,962 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 17:21:05,963 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:21:05,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:21:05,963 INFO L85 PathProgramCache]: Analyzing trace with hash 1926123999, now seen corresponding path program 1 times [2024-11-16 17:21:05,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 17:21:05,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390977364] [2024-11-16 17:21:05,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:21:05,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 17:21:06,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:06,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 17:21:06,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:06,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 17:21:06,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:06,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 17:21:06,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:06,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 17:21:06,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:06,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 17:21:06,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:06,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 17:21:06,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:06,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 17:21:06,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:06,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-16 17:21:06,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:06,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-16 17:21:06,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:06,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-16 17:21:06,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:06,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-16 17:21:06,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:06,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-16 17:21:06,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:06,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-16 17:21:06,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:06,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-16 17:21:06,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:06,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-16 17:21:06,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:06,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-16 17:21:06,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:06,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-16 17:21:06,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:06,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 17:21:06,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:06,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-16 17:21:06,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:06,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-16 17:21:06,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:06,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-16 17:21:06,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:06,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-16 17:21:06,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:06,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-16 17:21:06,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:06,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-16 17:21:06,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:06,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-16 17:21:06,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:06,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-16 17:21:06,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:06,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-16 17:21:06,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:06,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-16 17:21:06,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:06,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-16 17:21:06,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:06,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-16 17:21:06,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:06,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-16 17:21:06,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:06,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-16 17:21:06,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:06,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-16 17:21:06,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:06,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-16 17:21:06,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:06,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-16 17:21:06,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:06,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-16 17:21:06,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:06,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-16 17:21:06,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:06,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-16 17:21:06,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:06,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-16 17:21:06,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:06,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-16 17:21:06,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:06,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-16 17:21:06,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:06,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-16 17:21:06,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:06,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-16 17:21:06,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:06,722 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 78 proven. 48 refuted. 0 times theorem prover too weak. 3486 trivial. 0 not checked. [2024-11-16 17:21:06,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 17:21:06,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390977364] [2024-11-16 17:21:06,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390977364] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 17:21:06,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2108507183] [2024-11-16 17:21:06,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:21:06,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 17:21:06,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 17:21:06,724 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) [2024-11-16 17:21:06,726 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-16 17:21:06,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:06,962 INFO L255 TraceCheckSpWp]: Trace formula consists of 689 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-16 17:21:06,972 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 17:21:07,481 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 1248 proven. 99 refuted. 0 times theorem prover too weak. 2265 trivial. 0 not checked. [2024-11-16 17:21:07,481 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 17:21:07,872 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 27 proven. 99 refuted. 0 times theorem prover too weak. 3486 trivial. 0 not checked. [2024-11-16 17:21:07,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2108507183] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 17:21:07,873 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 17:21:07,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7, 7] total 11 [2024-11-16 17:21:07,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205486256] [2024-11-16 17:21:07,874 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 17:21:07,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-16 17:21:07,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 17:21:07,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-16 17:21:07,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-11-16 17:21:07,876 INFO L87 Difference]: Start difference. First operand 877 states and 1349 transitions. Second operand has 11 states, 11 states have (on average 11.727272727272727) internal successors, (129), 11 states have internal predecessors, (129), 3 states have call successors, (109), 2 states have call predecessors, (109), 4 states have return successors, (111), 3 states have call predecessors, (111), 3 states have call successors, (111) [2024-11-16 17:21:08,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 17:21:08,664 INFO L93 Difference]: Finished difference Result 1621 states and 2441 transitions. [2024-11-16 17:21:08,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-16 17:21:08,665 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 11.727272727272727) internal successors, (129), 11 states have internal predecessors, (129), 3 states have call successors, (109), 2 states have call predecessors, (109), 4 states have return successors, (111), 3 states have call predecessors, (111), 3 states have call successors, (111) Word has length 292 [2024-11-16 17:21:08,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 17:21:08,672 INFO L225 Difference]: With dead ends: 1621 [2024-11-16 17:21:08,672 INFO L226 Difference]: Without dead ends: 845 [2024-11-16 17:21:08,675 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 687 GetRequests, 663 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=152, Invalid=400, Unknown=0, NotChecked=0, Total=552 [2024-11-16 17:21:08,676 INFO L432 NwaCegarLoop]: 199 mSDtfsCounter, 934 mSDsluCounter, 751 mSDsCounter, 0 mSdLazyCounter, 557 mSolverCounterSat, 179 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 936 SdHoareTripleChecker+Valid, 950 SdHoareTripleChecker+Invalid, 736 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 179 IncrementalHoareTripleChecker+Valid, 557 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-16 17:21:08,676 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [936 Valid, 950 Invalid, 736 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [179 Valid, 557 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-16 17:21:08,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 845 states. [2024-11-16 17:21:08,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 845 to 813. [2024-11-16 17:21:08,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 813 states, 617 states have (on average 1.3614262560777959) internal successors, (840), 619 states have internal predecessors, (840), 171 states have call successors, (171), 24 states have call predecessors, (171), 24 states have return successors, (171), 169 states have call predecessors, (171), 171 states have call successors, (171) [2024-11-16 17:21:08,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 813 states and 1182 transitions. [2024-11-16 17:21:08,750 INFO L78 Accepts]: Start accepts. Automaton has 813 states and 1182 transitions. Word has length 292 [2024-11-16 17:21:08,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 17:21:08,751 INFO L471 AbstractCegarLoop]: Abstraction has 813 states and 1182 transitions. [2024-11-16 17:21:08,751 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.727272727272727) internal successors, (129), 11 states have internal predecessors, (129), 3 states have call successors, (109), 2 states have call predecessors, (109), 4 states have return successors, (111), 3 states have call predecessors, (111), 3 states have call successors, (111) [2024-11-16 17:21:08,752 INFO L276 IsEmpty]: Start isEmpty. Operand 813 states and 1182 transitions. [2024-11-16 17:21:08,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2024-11-16 17:21:08,755 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:21:08,755 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 17:21:08,773 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-16 17:21:08,955 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,SelfDestructingSolverStorable8 [2024-11-16 17:21:08,956 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:21:08,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:21:08,957 INFO L85 PathProgramCache]: Analyzing trace with hash -753235984, now seen corresponding path program 1 times [2024-11-16 17:21:08,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 17:21:08,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307926343] [2024-11-16 17:21:08,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:21:08,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 17:21:09,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:09,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 17:21:09,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:09,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 17:21:09,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:09,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 17:21:09,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:09,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 17:21:09,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:09,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 17:21:09,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:09,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 17:21:09,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:09,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 17:21:09,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:09,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-16 17:21:09,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:09,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-16 17:21:09,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:09,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-16 17:21:09,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:09,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-16 17:21:09,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:09,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-16 17:21:09,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:09,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-16 17:21:09,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:09,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-16 17:21:09,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:09,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-16 17:21:09,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:09,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-16 17:21:09,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:09,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-16 17:21:09,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:09,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 17:21:09,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:09,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-16 17:21:09,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:09,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-16 17:21:09,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:09,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-16 17:21:09,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:09,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-16 17:21:09,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:09,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-16 17:21:09,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:09,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-16 17:21:09,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:09,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-16 17:21:09,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:09,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-16 17:21:09,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:09,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-16 17:21:09,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:09,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-16 17:21:09,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:09,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-16 17:21:09,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:09,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-16 17:21:09,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:09,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-16 17:21:09,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:09,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-16 17:21:09,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:09,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-16 17:21:09,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:09,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-16 17:21:09,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:09,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-16 17:21:09,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:09,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-16 17:21:09,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:09,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-16 17:21:09,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:09,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-16 17:21:09,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:09,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-16 17:21:09,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:09,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-16 17:21:09,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:09,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-16 17:21:09,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:09,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-16 17:21:09,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:09,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-16 17:21:09,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:09,819 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 18 proven. 108 refuted. 0 times theorem prover too weak. 3486 trivial. 0 not checked. [2024-11-16 17:21:09,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 17:21:09,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307926343] [2024-11-16 17:21:09,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307926343] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 17:21:09,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1621741182] [2024-11-16 17:21:09,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:21:09,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 17:21:09,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 17:21:09,822 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) [2024-11-16 17:21:09,824 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-16 17:21:10,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:10,114 INFO L255 TraceCheckSpWp]: Trace formula consists of 692 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-16 17:21:10,122 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 17:21:10,621 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 918 proven. 108 refuted. 0 times theorem prover too weak. 2586 trivial. 0 not checked. [2024-11-16 17:21:10,621 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 17:21:11,035 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 18 proven. 108 refuted. 0 times theorem prover too weak. 3486 trivial. 0 not checked. [2024-11-16 17:21:11,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1621741182] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 17:21:11,036 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 17:21:11,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2024-11-16 17:21:11,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682486106] [2024-11-16 17:21:11,037 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 17:21:11,038 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 17:21:11,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 17:21:11,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 17:21:11,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-16 17:21:11,039 INFO L87 Difference]: Start difference. First operand 813 states and 1182 transitions. Second operand has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 7 states have internal predecessors, (90), 2 states have call successors, (79), 2 states have call predecessors, (79), 4 states have return successors, (80), 2 states have call predecessors, (80), 2 states have call successors, (80) [2024-11-16 17:21:11,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 17:21:11,441 INFO L93 Difference]: Finished difference Result 1542 states and 2229 transitions. [2024-11-16 17:21:11,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 17:21:11,442 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 7 states have internal predecessors, (90), 2 states have call successors, (79), 2 states have call predecessors, (79), 4 states have return successors, (80), 2 states have call predecessors, (80), 2 states have call successors, (80) Word has length 293 [2024-11-16 17:21:11,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 17:21:11,447 INFO L225 Difference]: With dead ends: 1542 [2024-11-16 17:21:11,447 INFO L226 Difference]: Without dead ends: 853 [2024-11-16 17:21:11,450 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 677 GetRequests, 668 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2024-11-16 17:21:11,450 INFO L432 NwaCegarLoop]: 204 mSDtfsCounter, 247 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 260 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 523 SdHoareTripleChecker+Invalid, 283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 260 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 17:21:11,451 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [253 Valid, 523 Invalid, 283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 260 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 17:21:11,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 853 states. [2024-11-16 17:21:11,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 853 to 831. [2024-11-16 17:21:11,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 831 states, 630 states have (on average 1.338095238095238) internal successors, (843), 632 states have internal predecessors, (843), 171 states have call successors, (171), 29 states have call predecessors, (171), 29 states have return successors, (171), 169 states have call predecessors, (171), 171 states have call successors, (171) [2024-11-16 17:21:11,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 831 states and 1185 transitions. [2024-11-16 17:21:11,532 INFO L78 Accepts]: Start accepts. Automaton has 831 states and 1185 transitions. Word has length 293 [2024-11-16 17:21:11,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 17:21:11,533 INFO L471 AbstractCegarLoop]: Abstraction has 831 states and 1185 transitions. [2024-11-16 17:21:11,533 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 7 states have internal predecessors, (90), 2 states have call successors, (79), 2 states have call predecessors, (79), 4 states have return successors, (80), 2 states have call predecessors, (80), 2 states have call successors, (80) [2024-11-16 17:21:11,533 INFO L276 IsEmpty]: Start isEmpty. Operand 831 states and 1185 transitions. [2024-11-16 17:21:11,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2024-11-16 17:21:11,536 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:21:11,537 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 17:21:11,556 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-16 17:21:11,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 17:21:11,741 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:21:11,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:21:11,743 INFO L85 PathProgramCache]: Analyzing trace with hash 1527743754, now seen corresponding path program 1 times [2024-11-16 17:21:11,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 17:21:11,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507686622] [2024-11-16 17:21:11,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:21:11,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 17:21:11,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:12,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 17:21:12,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:12,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 17:21:12,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:12,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 17:21:12,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:12,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 17:21:12,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:12,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 17:21:12,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:12,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 17:21:12,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:12,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 17:21:12,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:12,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-16 17:21:12,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:12,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-16 17:21:12,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:12,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-16 17:21:12,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:12,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-16 17:21:12,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:12,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-16 17:21:12,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:12,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-16 17:21:12,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:12,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-16 17:21:12,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:12,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-16 17:21:12,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:12,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-16 17:21:12,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:12,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-16 17:21:12,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:12,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 17:21:12,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:12,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-16 17:21:12,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:12,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-16 17:21:12,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:12,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-16 17:21:12,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:12,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-16 17:21:12,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:12,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-16 17:21:12,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:12,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-16 17:21:12,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:12,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-16 17:21:12,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:12,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-16 17:21:12,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:12,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-16 17:21:12,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:12,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-16 17:21:12,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:12,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-16 17:21:12,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:12,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-16 17:21:12,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:12,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-16 17:21:12,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:12,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-16 17:21:12,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:12,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-16 17:21:12,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:12,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-16 17:21:12,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:12,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-16 17:21:12,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:12,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-16 17:21:12,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:12,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-16 17:21:12,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:12,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-16 17:21:12,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:12,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-16 17:21:12,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:12,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-16 17:21:12,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:12,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-16 17:21:12,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:12,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-16 17:21:12,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:12,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-16 17:21:12,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:12,421 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2024-11-16 17:21:12,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 17:21:12,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507686622] [2024-11-16 17:21:12,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507686622] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 17:21:12,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 17:21:12,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 17:21:12,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423823625] [2024-11-16 17:21:12,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 17:21:12,423 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 17:21:12,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 17:21:12,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 17:21:12,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-16 17:21:12,424 INFO L87 Difference]: Start difference. First operand 831 states and 1185 transitions. Second operand has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-16 17:21:12,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 17:21:12,744 INFO L93 Difference]: Finished difference Result 2240 states and 3186 transitions. [2024-11-16 17:21:12,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 17:21:12,745 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) Word has length 294 [2024-11-16 17:21:12,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 17:21:12,753 INFO L225 Difference]: With dead ends: 2240 [2024-11-16 17:21:12,754 INFO L226 Difference]: Without dead ends: 1531 [2024-11-16 17:21:12,756 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-16 17:21:12,756 INFO L432 NwaCegarLoop]: 317 mSDtfsCounter, 349 mSDsluCounter, 607 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 349 SdHoareTripleChecker+Valid, 924 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 17:21:12,757 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [349 Valid, 924 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 17:21:12,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1531 states. [2024-11-16 17:21:12,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1531 to 1205. [2024-11-16 17:21:12,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1205 states, 983 states have (on average 1.375381485249237) internal successors, (1352), 988 states have internal predecessors, (1352), 189 states have call successors, (189), 32 states have call predecessors, (189), 32 states have return successors, (189), 184 states have call predecessors, (189), 189 states have call successors, (189) [2024-11-16 17:21:12,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1205 states to 1205 states and 1730 transitions. [2024-11-16 17:21:12,862 INFO L78 Accepts]: Start accepts. Automaton has 1205 states and 1730 transitions. Word has length 294 [2024-11-16 17:21:12,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 17:21:12,862 INFO L471 AbstractCegarLoop]: Abstraction has 1205 states and 1730 transitions. [2024-11-16 17:21:12,863 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-16 17:21:12,863 INFO L276 IsEmpty]: Start isEmpty. Operand 1205 states and 1730 transitions. [2024-11-16 17:21:12,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2024-11-16 17:21:12,867 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:21:12,867 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 17:21:12,867 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-16 17:21:12,867 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:21:12,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:21:12,868 INFO L85 PathProgramCache]: Analyzing trace with hash -172996725, now seen corresponding path program 1 times [2024-11-16 17:21:12,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 17:21:12,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833178306] [2024-11-16 17:21:12,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:21:12,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 17:21:13,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:13,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 17:21:13,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:13,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 17:21:13,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:13,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 17:21:13,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:13,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 17:21:13,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:13,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 17:21:13,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:13,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 17:21:13,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:13,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 17:21:13,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:13,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-16 17:21:13,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:13,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-16 17:21:13,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:13,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-16 17:21:13,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:13,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-16 17:21:13,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:13,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-16 17:21:13,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:13,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-16 17:21:13,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:13,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-16 17:21:13,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:13,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-16 17:21:13,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:13,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-16 17:21:13,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:13,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-16 17:21:13,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:13,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 17:21:13,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:13,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-16 17:21:13,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:13,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-16 17:21:13,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:13,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-16 17:21:13,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:13,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-16 17:21:13,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:13,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-16 17:21:13,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:13,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-16 17:21:13,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:13,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-16 17:21:13,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:13,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-16 17:21:13,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:13,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-16 17:21:13,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:13,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-16 17:21:13,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:13,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-16 17:21:13,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:13,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-16 17:21:13,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:13,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-16 17:21:13,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:13,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-16 17:21:13,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:13,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-16 17:21:13,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:13,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-16 17:21:13,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:13,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-16 17:21:13,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:13,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-16 17:21:13,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:13,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-16 17:21:13,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:13,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-16 17:21:13,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:13,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-16 17:21:13,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:13,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-16 17:21:13,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:13,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-16 17:21:13,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:13,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-16 17:21:13,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:13,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-16 17:21:13,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:13,764 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2024-11-16 17:21:13,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 17:21:13,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833178306] [2024-11-16 17:21:13,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833178306] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 17:21:13,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 17:21:13,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 17:21:13,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332023202] [2024-11-16 17:21:13,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 17:21:13,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 17:21:13,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 17:21:13,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 17:21:13,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-16 17:21:13,769 INFO L87 Difference]: Start difference. First operand 1205 states and 1730 transitions. Second operand has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-16 17:21:14,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 17:21:14,721 INFO L93 Difference]: Finished difference Result 3141 states and 4498 transitions. [2024-11-16 17:21:14,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 17:21:14,721 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) Word has length 294 [2024-11-16 17:21:14,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 17:21:14,732 INFO L225 Difference]: With dead ends: 3141 [2024-11-16 17:21:14,732 INFO L226 Difference]: Without dead ends: 2033 [2024-11-16 17:21:14,734 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-16 17:21:14,735 INFO L432 NwaCegarLoop]: 721 mSDtfsCounter, 910 mSDsluCounter, 803 mSDsCounter, 0 mSdLazyCounter, 324 mSolverCounterSat, 268 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 910 SdHoareTripleChecker+Valid, 1524 SdHoareTripleChecker+Invalid, 592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 268 IncrementalHoareTripleChecker+Valid, 324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-16 17:21:14,735 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [910 Valid, 1524 Invalid, 592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [268 Valid, 324 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-16 17:21:14,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2033 states. [2024-11-16 17:21:14,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2033 to 1859. [2024-11-16 17:21:14,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1859 states, 1470 states have (on average 1.3517006802721088) internal successors, (1987), 1478 states have internal predecessors, (1987), 330 states have call successors, (330), 58 states have call predecessors, (330), 58 states have return successors, (330), 322 states have call predecessors, (330), 330 states have call successors, (330) [2024-11-16 17:21:14,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1859 states to 1859 states and 2647 transitions. [2024-11-16 17:21:14,879 INFO L78 Accepts]: Start accepts. Automaton has 1859 states and 2647 transitions. Word has length 294 [2024-11-16 17:21:14,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 17:21:14,880 INFO L471 AbstractCegarLoop]: Abstraction has 1859 states and 2647 transitions. [2024-11-16 17:21:14,880 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-16 17:21:14,880 INFO L276 IsEmpty]: Start isEmpty. Operand 1859 states and 2647 transitions. [2024-11-16 17:21:14,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2024-11-16 17:21:14,884 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:21:14,884 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 17:21:14,885 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-16 17:21:14,885 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:21:14,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:21:14,885 INFO L85 PathProgramCache]: Analyzing trace with hash -967135092, now seen corresponding path program 1 times [2024-11-16 17:21:14,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 17:21:14,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575550978] [2024-11-16 17:21:14,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:21:14,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 17:21:15,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:16,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 17:21:16,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:16,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 17:21:16,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:16,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 17:21:16,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:16,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 17:21:16,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:16,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 17:21:16,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:16,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 17:21:16,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:16,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 17:21:16,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:16,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-16 17:21:16,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:16,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-16 17:21:16,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:16,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-16 17:21:16,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:16,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-16 17:21:16,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:16,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-16 17:21:16,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:16,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-16 17:21:16,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:16,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-16 17:21:16,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:16,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-16 17:21:16,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:16,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-16 17:21:16,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:16,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-16 17:21:16,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:16,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 17:21:16,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:16,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-16 17:21:16,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:16,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-16 17:21:16,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:16,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-16 17:21:16,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:16,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-16 17:21:16,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:16,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-16 17:21:16,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:16,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-16 17:21:16,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:16,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-16 17:21:16,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:16,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-16 17:21:16,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:16,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-16 17:21:16,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:16,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-16 17:21:16,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:16,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-16 17:21:16,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:16,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-16 17:21:16,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:16,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-16 17:21:16,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:16,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-16 17:21:16,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:16,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-16 17:21:16,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:16,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-16 17:21:16,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:16,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-16 17:21:16,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:16,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-16 17:21:16,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:16,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-16 17:21:16,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:16,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-16 17:21:16,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:16,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-16 17:21:16,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:16,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-16 17:21:16,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:16,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-16 17:21:16,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:16,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-16 17:21:16,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:16,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-16 17:21:16,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:16,611 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 105 proven. 21 refuted. 0 times theorem prover too weak. 3486 trivial. 0 not checked. [2024-11-16 17:21:16,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 17:21:16,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575550978] [2024-11-16 17:21:16,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575550978] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 17:21:16,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1109538842] [2024-11-16 17:21:16,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:21:16,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 17:21:16,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 17:21:16,614 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 17:21:16,615 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-16 17:21:16,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:16,888 INFO L255 TraceCheckSpWp]: Trace formula consists of 692 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-16 17:21:16,894 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 17:21:17,678 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 2201 proven. 138 refuted. 0 times theorem prover too weak. 1273 trivial. 0 not checked. [2024-11-16 17:21:17,679 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 17:21:18,503 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 222 proven. 147 refuted. 0 times theorem prover too weak. 3243 trivial. 0 not checked. [2024-11-16 17:21:18,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1109538842] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 17:21:18,504 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 17:21:18,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 12, 14] total 25 [2024-11-16 17:21:18,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719900600] [2024-11-16 17:21:18,504 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 17:21:18,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-16 17:21:18,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 17:21:18,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-16 17:21:18,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=483, Unknown=0, NotChecked=0, Total=600 [2024-11-16 17:21:18,507 INFO L87 Difference]: Start difference. First operand 1859 states and 2647 transitions. Second operand has 25 states, 25 states have (on average 7.2) internal successors, (180), 25 states have internal predecessors, (180), 6 states have call successors, (119), 4 states have call predecessors, (119), 10 states have return successors, (120), 6 states have call predecessors, (120), 6 states have call successors, (120) [2024-11-16 17:21:20,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 17:21:20,760 INFO L93 Difference]: Finished difference Result 2857 states and 4056 transitions. [2024-11-16 17:21:20,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-11-16 17:21:20,761 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 7.2) internal successors, (180), 25 states have internal predecessors, (180), 6 states have call successors, (119), 4 states have call predecessors, (119), 10 states have return successors, (120), 6 states have call predecessors, (120), 6 states have call successors, (120) Word has length 294 [2024-11-16 17:21:20,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 17:21:20,771 INFO L225 Difference]: With dead ends: 2857 [2024-11-16 17:21:20,771 INFO L226 Difference]: Without dead ends: 1777 [2024-11-16 17:21:20,775 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 726 GetRequests, 663 SyntacticMatches, 2 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1058 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1004, Invalid=2902, Unknown=0, NotChecked=0, Total=3906 [2024-11-16 17:21:20,776 INFO L432 NwaCegarLoop]: 263 mSDtfsCounter, 2725 mSDsluCounter, 1356 mSDsCounter, 0 mSdLazyCounter, 987 mSolverCounterSat, 869 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2725 SdHoareTripleChecker+Valid, 1619 SdHoareTripleChecker+Invalid, 1856 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 869 IncrementalHoareTripleChecker+Valid, 987 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-16 17:21:20,777 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2725 Valid, 1619 Invalid, 1856 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [869 Valid, 987 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-16 17:21:20,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1777 states. [2024-11-16 17:21:20,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1777 to 463. [2024-11-16 17:21:20,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 463 states, 349 states have (on average 1.3037249283667622) internal successors, (455), 350 states have internal predecessors, (455), 94 states have call successors, (94), 19 states have call predecessors, (94), 19 states have return successors, (94), 93 states have call predecessors, (94), 94 states have call successors, (94) [2024-11-16 17:21:20,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 643 transitions. [2024-11-16 17:21:20,853 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 643 transitions. Word has length 294 [2024-11-16 17:21:20,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 17:21:20,854 INFO L471 AbstractCegarLoop]: Abstraction has 463 states and 643 transitions. [2024-11-16 17:21:20,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 7.2) internal successors, (180), 25 states have internal predecessors, (180), 6 states have call successors, (119), 4 states have call predecessors, (119), 10 states have return successors, (120), 6 states have call predecessors, (120), 6 states have call successors, (120) [2024-11-16 17:21:20,854 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 643 transitions. [2024-11-16 17:21:20,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2024-11-16 17:21:20,857 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:21:20,858 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 17:21:20,877 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-16 17:21:21,059 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 17:21:21,060 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:21:21,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:21:21,060 INFO L85 PathProgramCache]: Analyzing trace with hash 1039320762, now seen corresponding path program 1 times [2024-11-16 17:21:21,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 17:21:21,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077947696] [2024-11-16 17:21:21,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:21:21,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 17:21:21,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:21,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 17:21:21,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:21,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 17:21:21,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:21,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 17:21:21,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:21,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 17:21:21,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:21,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 17:21:21,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:21,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 17:21:21,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:21,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 17:21:21,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:21,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-16 17:21:21,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:21,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-16 17:21:21,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:21,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-16 17:21:21,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:21,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-16 17:21:21,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:21,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-16 17:21:21,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:21,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-16 17:21:21,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:21,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-16 17:21:21,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:21,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-16 17:21:21,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:21,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-16 17:21:21,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:21,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-16 17:21:21,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:21,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 17:21:21,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:21,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-16 17:21:21,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:21,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-16 17:21:21,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:21,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-16 17:21:21,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:21,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-16 17:21:21,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:21,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-16 17:21:21,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:21,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-16 17:21:21,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:21,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-16 17:21:21,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:21,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-16 17:21:21,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:21,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-16 17:21:21,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:21,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-16 17:21:21,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:21,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-16 17:21:21,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:21,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-16 17:21:21,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:21,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-16 17:21:21,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:21,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-16 17:21:21,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:21,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-16 17:21:21,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:21,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-16 17:21:21,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:21,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-16 17:21:21,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:21,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-16 17:21:21,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:21,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-16 17:21:21,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:21,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-16 17:21:21,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:21,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-16 17:21:21,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:21,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-16 17:21:21,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:21,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-16 17:21:21,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:21,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-16 17:21:21,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:21,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-16 17:21:21,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:21,905 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 18 proven. 108 refuted. 0 times theorem prover too weak. 3486 trivial. 0 not checked. [2024-11-16 17:21:21,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 17:21:21,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077947696] [2024-11-16 17:21:21,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077947696] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 17:21:21,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [97082220] [2024-11-16 17:21:21,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:21:21,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 17:21:21,906 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 17:21:21,908 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 17:21:21,910 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-16 17:21:22,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:21:22,166 INFO L255 TraceCheckSpWp]: Trace formula consists of 699 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-16 17:21:22,175 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 17:21:23,028 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 918 proven. 108 refuted. 0 times theorem prover too weak. 2586 trivial. 0 not checked. [2024-11-16 17:21:23,029 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 17:21:23,718 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 18 proven. 108 refuted. 0 times theorem prover too weak. 3486 trivial. 0 not checked. [2024-11-16 17:21:23,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [97082220] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 17:21:23,719 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 17:21:23,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 7] total 17 [2024-11-16 17:21:23,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427921429] [2024-11-16 17:21:23,719 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 17:21:23,720 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-16 17:21:23,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 17:21:23,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-16 17:21:23,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2024-11-16 17:21:23,722 INFO L87 Difference]: Start difference. First operand 463 states and 643 transitions. Second operand has 17 states, 17 states have (on average 13.176470588235293) internal successors, (224), 17 states have internal predecessors, (224), 5 states have call successors, (122), 3 states have call predecessors, (122), 6 states have return successors, (123), 5 states have call predecessors, (123), 5 states have call successors, (123) [2024-11-16 17:21:25,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 17:21:25,029 INFO L93 Difference]: Finished difference Result 903 states and 1248 transitions. [2024-11-16 17:21:25,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-16 17:21:25,030 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 13.176470588235293) internal successors, (224), 17 states have internal predecessors, (224), 5 states have call successors, (122), 3 states have call predecessors, (122), 6 states have return successors, (123), 5 states have call predecessors, (123), 5 states have call successors, (123) Word has length 295 [2024-11-16 17:21:25,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 17:21:25,034 INFO L225 Difference]: With dead ends: 903 [2024-11-16 17:21:25,035 INFO L226 Difference]: Without dead ends: 563 [2024-11-16 17:21:25,036 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 700 GetRequests, 669 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 182 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=290, Invalid=766, Unknown=0, NotChecked=0, Total=1056 [2024-11-16 17:21:25,037 INFO L432 NwaCegarLoop]: 263 mSDtfsCounter, 1600 mSDsluCounter, 1140 mSDsCounter, 0 mSdLazyCounter, 1401 mSolverCounterSat, 314 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1607 SdHoareTripleChecker+Valid, 1403 SdHoareTripleChecker+Invalid, 1715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 314 IncrementalHoareTripleChecker+Valid, 1401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-16 17:21:25,037 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1607 Valid, 1403 Invalid, 1715 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [314 Valid, 1401 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-16 17:21:25,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2024-11-16 17:21:25,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 443. [2024-11-16 17:21:25,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 443 states, 329 states have (on average 1.2887537993920972) internal successors, (424), 330 states have internal predecessors, (424), 94 states have call successors, (94), 19 states have call predecessors, (94), 19 states have return successors, (94), 93 states have call predecessors, (94), 94 states have call successors, (94) [2024-11-16 17:21:25,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 612 transitions. [2024-11-16 17:21:25,100 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 612 transitions. Word has length 295 [2024-11-16 17:21:25,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 17:21:25,100 INFO L471 AbstractCegarLoop]: Abstraction has 443 states and 612 transitions. [2024-11-16 17:21:25,101 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 13.176470588235293) internal successors, (224), 17 states have internal predecessors, (224), 5 states have call successors, (122), 3 states have call predecessors, (122), 6 states have return successors, (123), 5 states have call predecessors, (123), 5 states have call successors, (123) [2024-11-16 17:21:25,101 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 612 transitions. [2024-11-16 17:21:25,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2024-11-16 17:21:25,104 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:21:25,105 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 17:21:25,123 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-16 17:21:25,305 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-16 17:21:25,306 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:21:25,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:21:25,307 INFO L85 PathProgramCache]: Analyzing trace with hash -1978407268, now seen corresponding path program 1 times [2024-11-16 17:21:25,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 17:21:25,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71659669] [2024-11-16 17:21:25,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:21:25,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 17:21:25,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat