./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-25.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-25.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 281e40e0c83f6d6e693e53d02625c3edf9f6f556e71b371176462fbb38feeeea --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 08:21:42,950 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 08:21:43,026 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-10 08:21:43,031 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 08:21:43,034 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 08:21:43,068 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 08:21:43,071 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 08:21:43,072 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 08:21:43,072 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 08:21:43,072 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 08:21:43,073 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 08:21:43,073 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 08:21:43,074 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 08:21:43,074 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 08:21:43,074 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 08:21:43,075 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 08:21:43,075 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 08:21:43,078 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 08:21:43,078 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 08:21:43,082 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 08:21:43,082 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 08:21:43,083 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 08:21:43,083 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 08:21:43,083 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 08:21:43,084 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 08:21:43,084 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 08:21:43,084 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 08:21:43,084 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 08:21:43,085 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 08:21:43,087 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 08:21:43,088 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 08:21:43,088 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 08:21:43,088 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 08:21:43,089 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 08:21:43,089 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 08:21:43,089 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 08:21:43,090 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 08:21:43,090 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 08:21:43,090 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 08:21:43,091 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 08:21:43,091 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 08:21:43,092 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 08:21:43,092 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 281e40e0c83f6d6e693e53d02625c3edf9f6f556e71b371176462fbb38feeeea [2024-11-10 08:21:43,387 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 08:21:43,422 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 08:21:43,426 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 08:21:43,427 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 08:21:43,428 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 08:21:43,430 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-25.i [2024-11-10 08:21:44,868 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 08:21:45,170 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 08:21:45,170 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-25.i [2024-11-10 08:21:45,182 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a559bef95/68b43ba80917413eaa90acb323112041/FLAG2c53d03d1 [2024-11-10 08:21:45,452 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a559bef95/68b43ba80917413eaa90acb323112041 [2024-11-10 08:21:45,454 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 08:21:45,456 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 08:21:45,457 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 08:21:45,457 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 08:21:45,462 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 08:21:45,463 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 08:21:45" (1/1) ... [2024-11-10 08:21:45,464 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@458989b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:21:45, skipping insertion in model container [2024-11-10 08:21:45,464 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 08:21:45" (1/1) ... [2024-11-10 08:21:45,511 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 08:21:45,690 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-25.i[916,929] [2024-11-10 08:21:45,857 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 08:21:45,872 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 08:21:45,889 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-25.i[916,929] [2024-11-10 08:21:45,972 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 08:21:46,001 INFO L204 MainTranslator]: Completed translation [2024-11-10 08:21:46,002 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:21:46 WrapperNode [2024-11-10 08:21:46,002 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 08:21:46,003 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 08:21:46,003 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 08:21:46,003 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 08:21:46,009 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:21:46" (1/1) ... [2024-11-10 08:21:46,024 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:21:46" (1/1) ... [2024-11-10 08:21:46,083 INFO L138 Inliner]: procedures = 26, calls = 67, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 405 [2024-11-10 08:21:46,084 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 08:21:46,084 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 08:21:46,085 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 08:21:46,085 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 08:21:46,097 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:21:46" (1/1) ... [2024-11-10 08:21:46,097 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:21:46" (1/1) ... [2024-11-10 08:21:46,118 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:21:46" (1/1) ... [2024-11-10 08:21:46,168 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-10 08:21:46,169 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:21:46" (1/1) ... [2024-11-10 08:21:46,169 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:21:46" (1/1) ... [2024-11-10 08:21:46,193 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:21:46" (1/1) ... [2024-11-10 08:21:46,200 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:21:46" (1/1) ... [2024-11-10 08:21:46,211 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:21:46" (1/1) ... [2024-11-10 08:21:46,217 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:21:46" (1/1) ... [2024-11-10 08:21:46,231 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 08:21:46,233 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 08:21:46,233 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 08:21:46,234 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 08:21:46,235 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:21:46" (1/1) ... [2024-11-10 08:21:46,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 08:21:46,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 08:21:46,270 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 08:21:46,272 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 08:21:46,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 08:21:46,311 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 08:21:46,311 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 08:21:46,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 08:21:46,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 08:21:46,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 08:21:46,419 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 08:21:46,421 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 08:21:47,230 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L373: havoc property_#t~bitwise39#1;havoc property_#t~short40#1; [2024-11-10 08:21:47,308 INFO L? ?]: Removed 34 outVars from TransFormulas that were not future-live. [2024-11-10 08:21:47,308 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 08:21:47,338 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 08:21:47,339 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 08:21:47,340 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 08:21:47 BoogieIcfgContainer [2024-11-10 08:21:47,340 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 08:21:47,342 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 08:21:47,343 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 08:21:47,346 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 08:21:47,347 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 08:21:45" (1/3) ... [2024-11-10 08:21:47,347 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60780b1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 08:21:47, skipping insertion in model container [2024-11-10 08:21:47,348 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:21:46" (2/3) ... [2024-11-10 08:21:47,349 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60780b1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 08:21:47, skipping insertion in model container [2024-11-10 08:21:47,349 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 08:21:47" (3/3) ... [2024-11-10 08:21:47,351 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount250_file-25.i [2024-11-10 08:21:47,369 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 08:21:47,370 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 08:21:47,451 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 08:21:47,460 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;@6f0a9e59, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 08:21:47,461 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 08:21:47,470 INFO L276 IsEmpty]: Start isEmpty. Operand has 169 states, 112 states have (on average 1.4553571428571428) internal successors, (163), 113 states have internal predecessors, (163), 54 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-10 08:21:47,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2024-11-10 08:21:47,493 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:21:47,495 INFO L215 NwaCegarLoop]: trace histogram [54, 54, 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 08:21:47,496 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:21:47,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:21:47,503 INFO L85 PathProgramCache]: Analyzing trace with hash 212045370, now seen corresponding path program 1 times [2024-11-10 08:21:47,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:21:47,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728558176] [2024-11-10 08:21:47,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:21:47,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:21:47,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:48,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 08:21:48,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:48,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 08:21:48,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:48,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 08:21:48,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:48,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 08:21:48,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:48,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 08:21:48,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:48,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 08:21:48,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:48,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 08:21:48,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:48,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 08:21:48,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:48,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 08:21:48,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:48,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 08:21:48,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:48,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 08:21:48,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:48,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 08:21:48,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:48,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 08:21:48,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:48,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 08:21:48,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:48,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 08:21:48,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:48,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 08:21:48,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:48,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 08:21:48,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:48,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 08:21:48,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:48,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 08:21:48,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:48,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 08:21:48,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:48,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 08:21:48,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:48,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 08:21:48,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:48,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 08:21:48,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:48,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 08:21:48,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:48,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 08:21:48,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:48,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 08:21:48,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:48,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-10 08:21:48,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:48,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 08:21:48,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:48,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-10 08:21:48,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:48,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 08:21:48,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:48,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 08:21:48,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:48,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 08:21:48,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:48,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-10 08:21:48,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:48,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-10 08:21:48,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:48,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-10 08:21:48,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:48,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-10 08:21:48,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:48,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-10 08:21:48,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:48,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-10 08:21:48,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:48,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-10 08:21:48,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:48,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-10 08:21:48,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:48,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-10 08:21:48,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:48,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-10 08:21:48,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:48,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-10 08:21:48,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:48,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-10 08:21:48,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:48,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-10 08:21:48,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:48,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-10 08:21:48,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:48,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-11-10 08:21:48,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:48,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-10 08:21:48,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:48,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-11-10 08:21:48,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:48,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-11-10 08:21:48,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:48,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-11-10 08:21:48,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:48,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-11-10 08:21:48,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:48,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-11-10 08:21:48,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:48,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2024-11-10 08:21:48,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:48,340 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5724 trivial. 0 not checked. [2024-11-10 08:21:48,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:21:48,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728558176] [2024-11-10 08:21:48,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728558176] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 08:21:48,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 08:21:48,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 08:21:48,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291512091] [2024-11-10 08:21:48,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 08:21:48,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 08:21:48,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:21:48,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 08:21:48,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 08:21:48,377 INFO L87 Difference]: Start difference. First operand has 169 states, 112 states have (on average 1.4553571428571428) internal successors, (163), 113 states have internal predecessors, (163), 54 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) Second operand has 2 states, 2 states have (on average 41.0) internal successors, (82), 2 states have internal predecessors, (82), 2 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 2 states have call successors, (54) [2024-11-10 08:21:48,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:21:48,434 INFO L93 Difference]: Finished difference Result 330 states and 589 transitions. [2024-11-10 08:21:48,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 08:21:48,438 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 41.0) internal successors, (82), 2 states have internal predecessors, (82), 2 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 2 states have call successors, (54) Word has length 349 [2024-11-10 08:21:48,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:21:48,453 INFO L225 Difference]: With dead ends: 330 [2024-11-10 08:21:48,453 INFO L226 Difference]: Without dead ends: 164 [2024-11-10 08:21:48,459 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 08:21:48,464 INFO L432 NwaCegarLoop]: 261 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 08:21:48,468 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 261 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 08:21:48,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2024-11-10 08:21:48,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2024-11-10 08:21:48,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 108 states have (on average 1.4351851851851851) internal successors, (155), 108 states have internal predecessors, (155), 54 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-10 08:21:48,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 263 transitions. [2024-11-10 08:21:48,543 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 263 transitions. Word has length 349 [2024-11-10 08:21:48,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:21:48,544 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 263 transitions. [2024-11-10 08:21:48,544 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 41.0) internal successors, (82), 2 states have internal predecessors, (82), 2 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 2 states have call successors, (54) [2024-11-10 08:21:48,546 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 263 transitions. [2024-11-10 08:21:48,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2024-11-10 08:21:48,557 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:21:48,557 INFO L215 NwaCegarLoop]: trace histogram [54, 54, 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 08:21:48,558 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 08:21:48,558 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:21:48,558 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:21:48,559 INFO L85 PathProgramCache]: Analyzing trace with hash 1837101526, now seen corresponding path program 1 times [2024-11-10 08:21:48,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:21:48,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469265514] [2024-11-10 08:21:48,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:21:48,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:21:48,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:49,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 08:21:49,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:49,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 08:21:49,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:49,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 08:21:49,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:49,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 08:21:49,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:49,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 08:21:49,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:49,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 08:21:49,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:49,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 08:21:49,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:49,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 08:21:49,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:49,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 08:21:49,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:49,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 08:21:49,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:49,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 08:21:49,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:49,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 08:21:49,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:49,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 08:21:49,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:49,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 08:21:49,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:49,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 08:21:49,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:49,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 08:21:49,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:49,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 08:21:49,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:49,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 08:21:49,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:49,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 08:21:49,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:49,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 08:21:49,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:49,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 08:21:49,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:49,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 08:21:49,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:49,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 08:21:49,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:49,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 08:21:49,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:49,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 08:21:49,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:49,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 08:21:49,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:49,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-10 08:21:49,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:49,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 08:21:49,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:49,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-10 08:21:49,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:49,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 08:21:49,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:49,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 08:21:49,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:49,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 08:21:49,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:49,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-10 08:21:49,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:49,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-10 08:21:49,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:49,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-10 08:21:49,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:49,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-10 08:21:49,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:49,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-10 08:21:49,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:49,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-10 08:21:49,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:49,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-10 08:21:49,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:49,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-10 08:21:49,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:49,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-10 08:21:49,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:49,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-10 08:21:49,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:49,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-10 08:21:49,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:49,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-10 08:21:49,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:49,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-10 08:21:49,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:49,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-10 08:21:49,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:49,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-11-10 08:21:49,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:49,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-10 08:21:49,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:49,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-11-10 08:21:49,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:49,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-11-10 08:21:49,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:49,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-11-10 08:21:49,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:49,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-11-10 08:21:49,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:49,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-11-10 08:21:49,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:49,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2024-11-10 08:21:49,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:49,671 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5724 trivial. 0 not checked. [2024-11-10 08:21:49,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:21:49,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469265514] [2024-11-10 08:21:49,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469265514] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 08:21:49,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 08:21:49,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 08:21:49,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394415929] [2024-11-10 08:21:49,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 08:21:49,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 08:21:49,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:21:49,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 08:21:49,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-10 08:21:49,680 INFO L87 Difference]: Start difference. First operand 164 states and 263 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, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) [2024-11-10 08:21:50,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:21:50,457 INFO L93 Difference]: Finished difference Result 581 states and 926 transitions. [2024-11-10 08:21:50,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 08:21:50,458 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, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) Word has length 349 [2024-11-10 08:21:50,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:21:50,465 INFO L225 Difference]: With dead ends: 581 [2024-11-10 08:21:50,468 INFO L226 Difference]: Without dead ends: 420 [2024-11-10 08:21:50,470 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-10 08:21:50,472 INFO L432 NwaCegarLoop]: 263 mSDtfsCounter, 540 mSDsluCounter, 785 mSDsCounter, 0 mSdLazyCounter, 362 mSolverCounterSat, 165 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 540 SdHoareTripleChecker+Valid, 1048 SdHoareTripleChecker+Invalid, 527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 165 IncrementalHoareTripleChecker+Valid, 362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 08:21:50,472 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [540 Valid, 1048 Invalid, 527 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [165 Valid, 362 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 08:21:50,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2024-11-10 08:21:50,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 334. [2024-11-10 08:21:50,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 334 states, 223 states have (on average 1.4573991031390134) internal successors, (325), 223 states have internal predecessors, (325), 108 states have call successors, (108), 2 states have call predecessors, (108), 2 states have return successors, (108), 108 states have call predecessors, (108), 108 states have call successors, (108) [2024-11-10 08:21:50,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 541 transitions. [2024-11-10 08:21:50,544 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 541 transitions. Word has length 349 [2024-11-10 08:21:50,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:21:50,548 INFO L471 AbstractCegarLoop]: Abstraction has 334 states and 541 transitions. [2024-11-10 08:21:50,548 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, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) [2024-11-10 08:21:50,549 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 541 transitions. [2024-11-10 08:21:50,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2024-11-10 08:21:50,559 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:21:50,559 INFO L215 NwaCegarLoop]: trace histogram [54, 54, 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 08:21:50,559 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 08:21:50,559 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:21:50,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:21:50,560 INFO L85 PathProgramCache]: Analyzing trace with hash -1961431211, now seen corresponding path program 1 times [2024-11-10 08:21:50,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:21:50,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050471490] [2024-11-10 08:21:50,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:21:50,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:21:50,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:51,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 08:21:51,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:51,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 08:21:51,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:51,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 08:21:51,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:51,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 08:21:51,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:51,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 08:21:51,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:51,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 08:21:51,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:51,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 08:21:51,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:51,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 08:21:51,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:51,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 08:21:51,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:51,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 08:21:51,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:51,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 08:21:51,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:51,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 08:21:51,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:51,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 08:21:51,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:51,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 08:21:51,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:51,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 08:21:51,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:51,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 08:21:51,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:51,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 08:21:51,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:51,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 08:21:51,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:51,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 08:21:51,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:51,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 08:21:51,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:51,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 08:21:51,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:51,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 08:21:51,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:51,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 08:21:51,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:51,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 08:21:51,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:51,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 08:21:51,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:51,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 08:21:51,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:51,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-10 08:21:51,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:51,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 08:21:51,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:51,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-10 08:21:51,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:51,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 08:21:51,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:51,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 08:21:51,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:51,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 08:21:51,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:51,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-10 08:21:51,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:51,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-10 08:21:51,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:51,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-10 08:21:51,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:51,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-10 08:21:51,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:51,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-10 08:21:51,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:51,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-10 08:21:51,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:51,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-10 08:21:51,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:51,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-10 08:21:51,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:51,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-10 08:21:51,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:51,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-10 08:21:51,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:51,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-10 08:21:51,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:51,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-10 08:21:51,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:51,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-10 08:21:51,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:51,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-10 08:21:51,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:51,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-11-10 08:21:51,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:51,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-10 08:21:51,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:51,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-11-10 08:21:51,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:51,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-11-10 08:21:51,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:51,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-11-10 08:21:51,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:51,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-11-10 08:21:51,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:51,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-11-10 08:21:51,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:51,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2024-11-10 08:21:51,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:51,318 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5724 trivial. 0 not checked. [2024-11-10 08:21:51,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:21:51,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050471490] [2024-11-10 08:21:51,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050471490] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 08:21:51,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 08:21:51,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 08:21:51,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419251558] [2024-11-10 08:21:51,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 08:21:51,320 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 08:21:51,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:21:51,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 08:21:51,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 08:21:51,322 INFO L87 Difference]: Start difference. First operand 334 states and 541 transitions. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) [2024-11-10 08:21:51,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:21:51,632 INFO L93 Difference]: Finished difference Result 862 states and 1395 transitions. [2024-11-10 08:21:51,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 08:21:51,633 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) Word has length 349 [2024-11-10 08:21:51,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:21:51,639 INFO L225 Difference]: With dead ends: 862 [2024-11-10 08:21:51,639 INFO L226 Difference]: Without dead ends: 531 [2024-11-10 08:21:51,640 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 08:21:51,641 INFO L432 NwaCegarLoop]: 255 mSDtfsCounter, 174 mSDsluCounter, 478 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 166 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 733 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 166 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 08:21:51,642 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 733 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [166 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 08:21:51,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2024-11-10 08:21:51,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 442. [2024-11-10 08:21:51,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 442 states, 276 states have (on average 1.394927536231884) internal successors, (385), 276 states have internal predecessors, (385), 162 states have call successors, (162), 3 states have call predecessors, (162), 3 states have return successors, (162), 162 states have call predecessors, (162), 162 states have call successors, (162) [2024-11-10 08:21:51,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 709 transitions. [2024-11-10 08:21:51,714 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 709 transitions. Word has length 349 [2024-11-10 08:21:51,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:21:51,715 INFO L471 AbstractCegarLoop]: Abstraction has 442 states and 709 transitions. [2024-11-10 08:21:51,715 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) [2024-11-10 08:21:51,715 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 709 transitions. [2024-11-10 08:21:51,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2024-11-10 08:21:51,719 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:21:51,720 INFO L215 NwaCegarLoop]: trace histogram [54, 54, 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 08:21:51,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 08:21:51,720 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:21:51,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:21:51,721 INFO L85 PathProgramCache]: Analyzing trace with hash -609309933, now seen corresponding path program 1 times [2024-11-10 08:21:51,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:21:51,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12895597] [2024-11-10 08:21:51,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:21:51,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:21:51,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:52,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 08:21:52,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:52,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 08:21:52,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:52,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 08:21:52,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:52,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 08:21:52,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:52,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 08:21:52,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:52,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 08:21:52,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:52,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 08:21:52,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:52,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 08:21:52,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:52,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 08:21:52,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:52,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 08:21:52,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:52,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 08:21:52,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:52,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 08:21:52,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:52,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 08:21:52,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:52,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 08:21:52,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:52,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 08:21:52,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:52,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 08:21:52,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:52,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 08:21:52,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:52,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 08:21:52,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:52,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 08:21:52,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:52,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 08:21:52,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:52,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 08:21:52,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:52,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 08:21:52,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:52,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 08:21:52,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:52,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 08:21:52,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:52,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 08:21:52,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:52,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 08:21:52,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:52,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-10 08:21:52,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:52,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 08:21:52,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:52,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-10 08:21:52,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:52,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 08:21:52,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:52,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 08:21:52,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:52,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 08:21:52,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:52,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-10 08:21:52,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:52,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-10 08:21:52,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:52,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-10 08:21:52,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:52,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-10 08:21:52,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:52,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-10 08:21:52,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:52,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-10 08:21:52,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:52,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-10 08:21:52,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:52,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-10 08:21:52,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:52,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-10 08:21:52,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:52,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-10 08:21:52,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:52,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-10 08:21:52,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:52,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-10 08:21:52,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:52,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-10 08:21:52,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:52,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-10 08:21:52,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:52,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-11-10 08:21:52,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:52,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-10 08:21:52,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:52,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-11-10 08:21:52,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:52,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-11-10 08:21:52,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:52,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-11-10 08:21:52,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:52,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-11-10 08:21:52,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:52,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-11-10 08:21:52,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:52,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2024-11-10 08:21:52,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:52,282 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5724 trivial. 0 not checked. [2024-11-10 08:21:52,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:21:52,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12895597] [2024-11-10 08:21:52,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [12895597] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 08:21:52,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 08:21:52,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 08:21:52,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921796961] [2024-11-10 08:21:52,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 08:21:52,283 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 08:21:52,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:21:52,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 08:21:52,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 08:21:52,284 INFO L87 Difference]: Start difference. First operand 442 states and 709 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) [2024-11-10 08:21:52,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:21:52,338 INFO L93 Difference]: Finished difference Result 820 states and 1328 transitions. [2024-11-10 08:21:52,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 08:21:52,338 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) Word has length 350 [2024-11-10 08:21:52,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:21:52,343 INFO L225 Difference]: With dead ends: 820 [2024-11-10 08:21:52,343 INFO L226 Difference]: Without dead ends: 489 [2024-11-10 08:21:52,345 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 08:21:52,346 INFO L432 NwaCegarLoop]: 294 mSDtfsCounter, 39 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 544 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 08:21:52,346 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 544 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 08:21:52,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2024-11-10 08:21:52,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 442. [2024-11-10 08:21:52,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 442 states, 276 states have (on average 1.3840579710144927) internal successors, (382), 276 states have internal predecessors, (382), 162 states have call successors, (162), 3 states have call predecessors, (162), 3 states have return successors, (162), 162 states have call predecessors, (162), 162 states have call successors, (162) [2024-11-10 08:21:52,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 706 transitions. [2024-11-10 08:21:52,415 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 706 transitions. Word has length 350 [2024-11-10 08:21:52,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:21:52,416 INFO L471 AbstractCegarLoop]: Abstraction has 442 states and 706 transitions. [2024-11-10 08:21:52,416 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) [2024-11-10 08:21:52,416 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 706 transitions. [2024-11-10 08:21:52,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2024-11-10 08:21:52,421 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:21:52,422 INFO L215 NwaCegarLoop]: trace histogram [54, 54, 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 08:21:52,422 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 08:21:52,422 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:21:52,422 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:21:52,423 INFO L85 PathProgramCache]: Analyzing trace with hash -397959020, now seen corresponding path program 1 times [2024-11-10 08:21:52,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:21:52,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323743670] [2024-11-10 08:21:52,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:21:52,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:21:53,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:53,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 08:21:53,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:53,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 08:21:53,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:53,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 08:21:53,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:53,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 08:21:53,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:53,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 08:21:53,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:53,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 08:21:53,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:53,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 08:21:53,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:53,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 08:21:53,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:53,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 08:21:53,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:53,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 08:21:53,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:53,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 08:21:53,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:53,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 08:21:53,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:53,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 08:21:53,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:53,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 08:21:53,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:53,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 08:21:53,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:53,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 08:21:53,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:53,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 08:21:53,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:53,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 08:21:53,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:53,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 08:21:53,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:53,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 08:21:53,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:53,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 08:21:53,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:53,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 08:21:53,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:53,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 08:21:53,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:53,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 08:21:53,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:53,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 08:21:53,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:53,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 08:21:53,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:53,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-10 08:21:53,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:53,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 08:21:53,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:53,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-10 08:21:53,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:53,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 08:21:53,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:53,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 08:21:53,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:53,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 08:21:53,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:53,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-10 08:21:53,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:53,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-10 08:21:53,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:53,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-10 08:21:53,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:53,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-10 08:21:53,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:53,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-10 08:21:53,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:53,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-10 08:21:53,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:53,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-10 08:21:53,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:53,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-10 08:21:53,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:53,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-10 08:21:53,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:53,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-10 08:21:53,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:53,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-10 08:21:53,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:53,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-10 08:21:53,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:53,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-10 08:21:53,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:53,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-10 08:21:53,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:53,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-11-10 08:21:53,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:53,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-10 08:21:53,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:53,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-11-10 08:21:53,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:53,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-11-10 08:21:53,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:53,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-11-10 08:21:53,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:53,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-11-10 08:21:53,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:53,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-11-10 08:21:53,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:53,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2024-11-10 08:21:53,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:53,905 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 69 proven. 90 refuted. 0 times theorem prover too weak. 5565 trivial. 0 not checked. [2024-11-10 08:21:53,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:21:53,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323743670] [2024-11-10 08:21:53,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323743670] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 08:21:53,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [37388589] [2024-11-10 08:21:53,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:21:53,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 08:21:53,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 08:21:53,909 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 08:21:53,910 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 08:21:54,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:54,176 INFO L255 TraceCheckSpWp]: Trace formula consists of 833 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-10 08:21:54,205 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 08:21:54,684 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 2859 proven. 90 refuted. 0 times theorem prover too weak. 2775 trivial. 0 not checked. [2024-11-10 08:21:54,685 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 08:21:55,152 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 69 proven. 90 refuted. 0 times theorem prover too weak. 5565 trivial. 0 not checked. [2024-11-10 08:21:55,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [37388589] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 08:21:55,153 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 08:21:55,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 7] total 11 [2024-11-10 08:21:55,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048900059] [2024-11-10 08:21:55,153 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 08:21:55,154 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 08:21:55,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:21:55,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 08:21:55,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-10 08:21:55,156 INFO L87 Difference]: Start difference. First operand 442 states and 706 transitions. Second operand has 11 states, 11 states have (on average 9.0) internal successors, (99), 11 states have internal predecessors, (99), 2 states have call successors, (84), 2 states have call predecessors, (84), 4 states have return successors, (85), 2 states have call predecessors, (85), 2 states have call successors, (85) [2024-11-10 08:21:56,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:21:56,129 INFO L93 Difference]: Finished difference Result 636 states and 1009 transitions. [2024-11-10 08:21:56,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-10 08:21:56,130 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.0) internal successors, (99), 11 states have internal predecessors, (99), 2 states have call successors, (84), 2 states have call predecessors, (84), 4 states have return successors, (85), 2 states have call predecessors, (85), 2 states have call successors, (85) Word has length 350 [2024-11-10 08:21:56,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:21:56,134 INFO L225 Difference]: With dead ends: 636 [2024-11-10 08:21:56,135 INFO L226 Difference]: Without dead ends: 305 [2024-11-10 08:21:56,136 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 820 GetRequests, 802 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2024-11-10 08:21:56,138 INFO L432 NwaCegarLoop]: 287 mSDtfsCounter, 297 mSDsluCounter, 753 mSDsCounter, 0 mSdLazyCounter, 969 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 373 SdHoareTripleChecker+Valid, 1040 SdHoareTripleChecker+Invalid, 1067 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 969 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-10 08:21:56,140 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [373 Valid, 1040 Invalid, 1067 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 969 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-10 08:21:56,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2024-11-10 08:21:56,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 301. [2024-11-10 08:21:56,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 188 states have (on average 1.2712765957446808) internal successors, (239), 188 states have internal predecessors, (239), 108 states have call successors, (108), 4 states have call predecessors, (108), 4 states have return successors, (108), 108 states have call predecessors, (108), 108 states have call successors, (108) [2024-11-10 08:21:56,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 455 transitions. [2024-11-10 08:21:56,190 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 455 transitions. Word has length 350 [2024-11-10 08:21:56,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:21:56,191 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 455 transitions. [2024-11-10 08:21:56,191 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.0) internal successors, (99), 11 states have internal predecessors, (99), 2 states have call successors, (84), 2 states have call predecessors, (84), 4 states have return successors, (85), 2 states have call predecessors, (85), 2 states have call successors, (85) [2024-11-10 08:21:56,192 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 455 transitions. [2024-11-10 08:21:56,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2024-11-10 08:21:56,195 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:21:56,195 INFO L215 NwaCegarLoop]: trace histogram [54, 54, 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 08:21:56,216 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-10 08:21:56,396 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 08:21:56,397 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:21:56,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:21:56,397 INFO L85 PathProgramCache]: Analyzing trace with hash 283826550, now seen corresponding path program 1 times [2024-11-10 08:21:56,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:21:56,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696482174] [2024-11-10 08:21:56,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:21:56,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:21:57,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:57,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 08:21:57,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:57,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 08:21:57,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:57,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 08:21:57,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:57,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 08:21:57,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:57,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 08:21:57,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:57,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 08:21:57,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:57,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 08:21:57,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:57,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 08:21:57,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:57,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 08:21:57,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:57,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 08:21:57,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:57,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 08:21:57,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:57,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 08:21:57,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:57,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 08:21:57,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:57,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 08:21:57,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:57,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 08:21:57,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:57,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 08:21:57,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:57,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 08:21:57,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:57,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 08:21:57,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:57,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 08:21:57,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:57,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 08:21:57,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:57,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 08:21:57,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:57,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 08:21:57,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:57,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 08:21:57,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:57,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 08:21:57,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:57,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 08:21:57,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:57,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 08:21:57,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:57,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-10 08:21:57,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:57,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 08:21:57,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:57,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-10 08:21:57,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:57,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 08:21:57,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:57,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 08:21:57,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:57,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 08:21:57,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:57,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-10 08:21:57,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:57,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-10 08:21:57,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:57,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-10 08:21:57,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:57,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-10 08:21:57,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:57,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-10 08:21:57,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:57,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-10 08:21:57,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:57,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-10 08:21:57,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:57,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-10 08:21:57,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:57,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-10 08:21:57,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:57,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-10 08:21:57,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:57,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-10 08:21:57,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:57,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-10 08:21:57,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:57,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-10 08:21:57,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:57,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-10 08:21:57,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:57,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-11-10 08:21:57,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:57,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-10 08:21:57,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:57,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-11-10 08:21:57,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:57,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-11-10 08:21:57,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:57,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-11-10 08:21:57,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:57,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-11-10 08:21:57,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:57,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-11-10 08:21:57,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:57,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2024-11-10 08:21:57,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:57,804 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 0 proven. 159 refuted. 0 times theorem prover too weak. 5565 trivial. 0 not checked. [2024-11-10 08:21:57,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:21:57,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696482174] [2024-11-10 08:21:57,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696482174] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 08:21:57,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1928162557] [2024-11-10 08:21:57,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:21:57,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 08:21:57,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 08:21:57,808 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 08:21:57,809 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-10 08:21:58,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:21:58,087 INFO L255 TraceCheckSpWp]: Trace formula consists of 833 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-10 08:21:58,098 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 08:22:02,202 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 2895 proven. 333 refuted. 0 times theorem prover too weak. 2496 trivial. 0 not checked. [2024-11-10 08:22:02,203 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 08:22:09,032 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 126 proven. 342 refuted. 0 times theorem prover too weak. 5256 trivial. 0 not checked. [2024-11-10 08:22:09,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1928162557] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 08:22:09,032 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 08:22:09,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 13, 19] total 35 [2024-11-10 08:22:09,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979454570] [2024-11-10 08:22:09,033 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 08:22:09,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-11-10 08:22:09,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:22:09,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-11-10 08:22:09,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=980, Unknown=0, NotChecked=0, Total=1190 [2024-11-10 08:22:09,037 INFO L87 Difference]: Start difference. First operand 301 states and 455 transitions. Second operand has 35 states, 34 states have (on average 6.882352941176471) internal successors, (234), 33 states have internal predecessors, (234), 10 states have call successors, (162), 5 states have call predecessors, (162), 11 states have return successors, (162), 9 states have call predecessors, (162), 10 states have call successors, (162) [2024-11-10 08:22:26,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:22:26,755 INFO L93 Difference]: Finished difference Result 866 states and 1254 transitions. [2024-11-10 08:22:26,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-11-10 08:22:26,757 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 34 states have (on average 6.882352941176471) internal successors, (234), 33 states have internal predecessors, (234), 10 states have call successors, (162), 5 states have call predecessors, (162), 11 states have return successors, (162), 9 states have call predecessors, (162), 10 states have call successors, (162) Word has length 350 [2024-11-10 08:22:26,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:22:26,762 INFO L225 Difference]: With dead ends: 866 [2024-11-10 08:22:26,762 INFO L226 Difference]: Without dead ends: 672 [2024-11-10 08:22:26,767 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 902 GetRequests, 795 SyntacticMatches, 0 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3845 ImplicationChecksByTransitivity, 11.9s TimeCoverageRelationStatistics Valid=2272, Invalid=9500, Unknown=0, NotChecked=0, Total=11772 [2024-11-10 08:22:26,768 INFO L432 NwaCegarLoop]: 286 mSDtfsCounter, 2654 mSDsluCounter, 2844 mSDsCounter, 0 mSdLazyCounter, 5094 mSolverCounterSat, 931 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2654 SdHoareTripleChecker+Valid, 3130 SdHoareTripleChecker+Invalid, 6025 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 931 IncrementalHoareTripleChecker+Valid, 5094 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2024-11-10 08:22:26,768 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2654 Valid, 3130 Invalid, 6025 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [931 Valid, 5094 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2024-11-10 08:22:26,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 672 states. [2024-11-10 08:22:26,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 672 to 399. [2024-11-10 08:22:26,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 399 states, 280 states have (on average 1.2714285714285714) internal successors, (356), 280 states have internal predecessors, (356), 108 states have call successors, (108), 10 states have call predecessors, (108), 10 states have return successors, (108), 108 states have call predecessors, (108), 108 states have call successors, (108) [2024-11-10 08:22:26,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 572 transitions. [2024-11-10 08:22:26,853 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 572 transitions. Word has length 350 [2024-11-10 08:22:26,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:22:26,853 INFO L471 AbstractCegarLoop]: Abstraction has 399 states and 572 transitions. [2024-11-10 08:22:26,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 34 states have (on average 6.882352941176471) internal successors, (234), 33 states have internal predecessors, (234), 10 states have call successors, (162), 5 states have call predecessors, (162), 11 states have return successors, (162), 9 states have call predecessors, (162), 10 states have call successors, (162) [2024-11-10 08:22:26,854 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 572 transitions. [2024-11-10 08:22:26,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2024-11-10 08:22:26,856 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:22:26,856 INFO L215 NwaCegarLoop]: trace histogram [54, 54, 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 08:22:26,876 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-10 08:22:27,060 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,SelfDestructingSolverStorable5 [2024-11-10 08:22:27,061 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:22:27,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:22:27,062 INFO L85 PathProgramCache]: Analyzing trace with hash -2140857132, now seen corresponding path program 1 times [2024-11-10 08:22:27,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:22:27,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452842729] [2024-11-10 08:22:27,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:22:27,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:22:27,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:29,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 08:22:29,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:29,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 08:22:29,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:29,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 08:22:29,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:29,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 08:22:29,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:29,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 08:22:29,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:29,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 08:22:29,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:29,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 08:22:29,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:29,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 08:22:29,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:29,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 08:22:29,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:29,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 08:22:29,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:29,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 08:22:29,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:29,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 08:22:29,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:29,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 08:22:29,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:29,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 08:22:29,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:29,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 08:22:29,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:29,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 08:22:29,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:29,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 08:22:29,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:29,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 08:22:29,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:29,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 08:22:29,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:29,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 08:22:29,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:29,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 08:22:29,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:29,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 08:22:29,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:29,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 08:22:29,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:29,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 08:22:29,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:29,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 08:22:29,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:29,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 08:22:29,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:29,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-10 08:22:29,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:29,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 08:22:29,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:29,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-10 08:22:29,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:29,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 08:22:29,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:29,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 08:22:29,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:29,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 08:22:29,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:29,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-10 08:22:29,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:29,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-10 08:22:29,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:29,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-10 08:22:29,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:29,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-10 08:22:29,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:29,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-10 08:22:29,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:29,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-10 08:22:29,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:29,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-10 08:22:29,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:29,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-10 08:22:29,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:29,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-10 08:22:29,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:29,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-10 08:22:29,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:29,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-10 08:22:29,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:29,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-10 08:22:29,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:29,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-10 08:22:29,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:29,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-10 08:22:29,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:29,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-11-10 08:22:29,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:29,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-10 08:22:29,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:29,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-11-10 08:22:29,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:30,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-11-10 08:22:30,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:30,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-11-10 08:22:30,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:30,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-11-10 08:22:30,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:30,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-11-10 08:22:30,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:30,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2024-11-10 08:22:30,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:30,046 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5724 trivial. 0 not checked. [2024-11-10 08:22:30,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:22:30,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452842729] [2024-11-10 08:22:30,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452842729] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 08:22:30,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 08:22:30,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-10 08:22:30,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037596984] [2024-11-10 08:22:30,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 08:22:30,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 08:22:30,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:22:30,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 08:22:30,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2024-11-10 08:22:30,051 INFO L87 Difference]: Start difference. First operand 399 states and 572 transitions. Second operand has 12 states, 12 states have (on average 7.0) internal successors, (84), 12 states have internal predecessors, (84), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) [2024-11-10 08:22:33,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:22:33,759 INFO L93 Difference]: Finished difference Result 683 states and 979 transitions. [2024-11-10 08:22:33,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 08:22:33,760 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.0) internal successors, (84), 12 states have internal predecessors, (84), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) Word has length 351 [2024-11-10 08:22:33,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:22:33,764 INFO L225 Difference]: With dead ends: 683 [2024-11-10 08:22:33,764 INFO L226 Difference]: Without dead ends: 496 [2024-11-10 08:22:33,765 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=106, Invalid=314, Unknown=0, NotChecked=0, Total=420 [2024-11-10 08:22:33,766 INFO L432 NwaCegarLoop]: 216 mSDtfsCounter, 532 mSDsluCounter, 1237 mSDsCounter, 0 mSdLazyCounter, 1481 mSolverCounterSat, 163 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 532 SdHoareTripleChecker+Valid, 1453 SdHoareTripleChecker+Invalid, 1644 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 163 IncrementalHoareTripleChecker+Valid, 1481 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-10 08:22:33,766 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [532 Valid, 1453 Invalid, 1644 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [163 Valid, 1481 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-10 08:22:33,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 496 states. [2024-11-10 08:22:33,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 496 to 414. [2024-11-10 08:22:33,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 414 states, 295 states have (on average 1.2745762711864406) internal successors, (376), 295 states have internal predecessors, (376), 108 states have call successors, (108), 10 states have call predecessors, (108), 10 states have return successors, (108), 108 states have call predecessors, (108), 108 states have call successors, (108) [2024-11-10 08:22:33,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 592 transitions. [2024-11-10 08:22:33,851 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 592 transitions. Word has length 351 [2024-11-10 08:22:33,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:22:33,852 INFO L471 AbstractCegarLoop]: Abstraction has 414 states and 592 transitions. [2024-11-10 08:22:33,852 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.0) internal successors, (84), 12 states have internal predecessors, (84), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) [2024-11-10 08:22:33,852 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 592 transitions. [2024-11-10 08:22:33,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2024-11-10 08:22:33,854 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:22:33,854 INFO L215 NwaCegarLoop]: trace histogram [54, 54, 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 08:22:33,855 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 08:22:33,855 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:22:33,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:22:33,855 INFO L85 PathProgramCache]: Analyzing trace with hash 1679681836, now seen corresponding path program 1 times [2024-11-10 08:22:33,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:22:33,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920181145] [2024-11-10 08:22:33,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:22:33,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:22:34,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:35,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 08:22:35,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:35,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 08:22:35,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:35,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 08:22:35,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:35,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 08:22:35,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:35,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 08:22:35,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:35,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 08:22:35,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:35,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 08:22:35,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:35,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 08:22:35,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:35,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 08:22:35,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:35,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 08:22:35,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:35,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 08:22:35,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:35,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 08:22:35,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:35,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 08:22:35,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:35,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 08:22:35,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:35,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 08:22:35,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:35,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 08:22:35,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:35,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 08:22:35,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:35,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 08:22:35,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:35,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 08:22:35,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:35,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 08:22:35,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:35,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 08:22:35,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:35,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 08:22:35,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:35,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 08:22:35,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:35,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 08:22:35,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:35,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 08:22:35,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:35,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 08:22:35,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:35,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-10 08:22:35,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:35,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 08:22:35,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:35,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-10 08:22:35,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:35,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 08:22:35,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:35,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 08:22:35,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:35,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 08:22:35,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:35,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-10 08:22:35,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:35,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-10 08:22:35,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:35,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-10 08:22:35,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:35,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-10 08:22:35,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:35,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-10 08:22:35,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:35,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-10 08:22:35,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:35,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-10 08:22:35,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:35,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-10 08:22:35,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:35,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-10 08:22:35,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:35,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-10 08:22:35,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:35,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-10 08:22:35,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:35,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-10 08:22:35,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:35,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-10 08:22:35,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:35,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-10 08:22:35,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:35,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-11-10 08:22:35,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:35,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-10 08:22:35,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:35,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-11-10 08:22:35,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:35,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-11-10 08:22:35,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:35,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-11-10 08:22:35,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:35,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-11-10 08:22:35,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:35,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-11-10 08:22:35,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:35,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2024-11-10 08:22:35,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:35,616 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 63 proven. 96 refuted. 0 times theorem prover too weak. 5565 trivial. 0 not checked. [2024-11-10 08:22:35,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:22:35,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920181145] [2024-11-10 08:22:35,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920181145] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 08:22:35,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [770686071] [2024-11-10 08:22:35,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:22:35,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 08:22:35,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 08:22:35,619 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 08:22:35,620 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-10 08:22:35,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:35,901 INFO L255 TraceCheckSpWp]: Trace formula consists of 834 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-10 08:22:35,914 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 08:22:38,144 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 2817 proven. 186 refuted. 0 times theorem prover too weak. 2721 trivial. 0 not checked. [2024-11-10 08:22:38,145 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 08:22:41,438 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 126 proven. 189 refuted. 0 times theorem prover too weak. 5409 trivial. 0 not checked. [2024-11-10 08:22:41,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [770686071] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 08:22:41,439 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 08:22:41,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11, 13] total 29 [2024-11-10 08:22:41,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718841228] [2024-11-10 08:22:41,439 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 08:22:41,440 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-10 08:22:41,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:22:41,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-10 08:22:41,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=664, Unknown=0, NotChecked=0, Total=812 [2024-11-10 08:22:41,443 INFO L87 Difference]: Start difference. First operand 414 states and 592 transitions. Second operand has 29 states, 28 states have (on average 7.571428571428571) internal successors, (212), 27 states have internal predecessors, (212), 7 states have call successors, (162), 4 states have call predecessors, (162), 8 states have return successors, (162), 7 states have call predecessors, (162), 7 states have call successors, (162) [2024-11-10 08:22:55,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:22:55,779 INFO L93 Difference]: Finished difference Result 1451 states and 2108 transitions. [2024-11-10 08:22:55,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-11-10 08:22:55,780 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 7.571428571428571) internal successors, (212), 27 states have internal predecessors, (212), 7 states have call successors, (162), 4 states have call predecessors, (162), 8 states have return successors, (162), 7 states have call predecessors, (162), 7 states have call successors, (162) Word has length 352 [2024-11-10 08:22:55,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:22:55,788 INFO L225 Difference]: With dead ends: 1451 [2024-11-10 08:22:55,788 INFO L226 Difference]: Without dead ends: 1243 [2024-11-10 08:22:55,792 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 903 GetRequests, 802 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3525 ImplicationChecksByTransitivity, 7.0s TimeCoverageRelationStatistics Valid=1763, Invalid=8743, Unknown=0, NotChecked=0, Total=10506 [2024-11-10 08:22:55,793 INFO L432 NwaCegarLoop]: 528 mSDtfsCounter, 2813 mSDsluCounter, 3533 mSDsCounter, 0 mSdLazyCounter, 5000 mSolverCounterSat, 1645 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2859 SdHoareTripleChecker+Valid, 4061 SdHoareTripleChecker+Invalid, 6645 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1645 IncrementalHoareTripleChecker+Valid, 5000 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2024-11-10 08:22:55,793 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2859 Valid, 4061 Invalid, 6645 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1645 Valid, 5000 Invalid, 0 Unknown, 0 Unchecked, 7.5s Time] [2024-11-10 08:22:55,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1243 states. [2024-11-10 08:22:55,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1243 to 573. [2024-11-10 08:22:55,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 573 states, 395 states have (on average 1.270886075949367) internal successors, (502), 395 states have internal predecessors, (502), 162 states have call successors, (162), 15 states have call predecessors, (162), 15 states have return successors, (162), 162 states have call predecessors, (162), 162 states have call successors, (162) [2024-11-10 08:22:55,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 573 states and 826 transitions. [2024-11-10 08:22:55,975 INFO L78 Accepts]: Start accepts. Automaton has 573 states and 826 transitions. Word has length 352 [2024-11-10 08:22:55,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:22:55,976 INFO L471 AbstractCegarLoop]: Abstraction has 573 states and 826 transitions. [2024-11-10 08:22:55,976 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 7.571428571428571) internal successors, (212), 27 states have internal predecessors, (212), 7 states have call successors, (162), 4 states have call predecessors, (162), 8 states have return successors, (162), 7 states have call predecessors, (162), 7 states have call successors, (162) [2024-11-10 08:22:55,977 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 826 transitions. [2024-11-10 08:22:55,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2024-11-10 08:22:55,979 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:22:55,979 INFO L215 NwaCegarLoop]: trace histogram [54, 54, 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 08:22:55,997 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-10 08:22:56,183 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 08:22:56,184 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:22:56,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:22:56,185 INFO L85 PathProgramCache]: Analyzing trace with hash 1745245960, now seen corresponding path program 1 times [2024-11-10 08:22:56,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:22:56,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745090359] [2024-11-10 08:22:56,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:22:56,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:22:56,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:59,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 08:22:59,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:59,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 08:22:59,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:59,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 08:22:59,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:59,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 08:22:59,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:59,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 08:22:59,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:59,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 08:22:59,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:59,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 08:22:59,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:59,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 08:22:59,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:59,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 08:22:59,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:59,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 08:22:59,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:59,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 08:22:59,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:59,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 08:22:59,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:59,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 08:22:59,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:59,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 08:22:59,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:59,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 08:22:59,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:59,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 08:22:59,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:59,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 08:22:59,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:59,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 08:22:59,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:59,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 08:22:59,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:59,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 08:22:59,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:59,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 08:22:59,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:59,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 08:22:59,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:59,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 08:22:59,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:59,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 08:22:59,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:59,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 08:22:59,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:59,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 08:22:59,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:59,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-10 08:22:59,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:59,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 08:22:59,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:59,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-10 08:22:59,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:59,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 08:22:59,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:59,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 08:22:59,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:59,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 08:22:59,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:59,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-10 08:22:59,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:59,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-10 08:22:59,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:59,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-10 08:22:59,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:59,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-10 08:22:59,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:59,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-10 08:22:59,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:59,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-10 08:22:59,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:59,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-10 08:22:59,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:22:59,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-10 08:23:00,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:23:00,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-10 08:23:00,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:23:00,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-10 08:23:00,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:23:00,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-10 08:23:00,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:23:00,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-10 08:23:00,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:23:00,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-10 08:23:00,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat