./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/combinations/pals_lcr.6_overflow.ufo.UNBOUNDED.pals+Problem12_label05.c --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/combinations/pals_lcr.6_overflow.ufo.UNBOUNDED.pals+Problem12_label05.c -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 862f6c388a1ed6568e10f6fdc9f2282ed603d1053a8f614ad4bc91d9d1b76b5b --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 00:59:28,397 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 00:59:28,444 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-10 00:59:28,447 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 00:59:28,448 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 00:59:28,465 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 00:59:28,466 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 00:59:28,466 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 00:59:28,466 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 00:59:28,467 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 00:59:28,467 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 00:59:28,467 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 00:59:28,469 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 00:59:28,470 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 00:59:28,470 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 00:59:28,471 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 00:59:28,471 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 00:59:28,471 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 00:59:28,471 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 00:59:28,472 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 00:59:28,472 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 00:59:28,475 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 00:59:28,475 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 00:59:28,475 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 00:59:28,475 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 00:59:28,476 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 00:59:28,476 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 00:59:28,476 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 00:59:28,476 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 00:59:28,476 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 00:59:28,477 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 00:59:28,477 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 00:59:28,477 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 00:59:28,477 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 00:59:28,477 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 00:59:28,478 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 00:59:28,478 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 00:59:28,478 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 00:59:28,478 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 00:59:28,478 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 00:59:28,478 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 00:59:28,481 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 00:59:28,481 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 862f6c388a1ed6568e10f6fdc9f2282ed603d1053a8f614ad4bc91d9d1b76b5b [2024-11-10 00:59:28,714 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 00:59:28,736 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 00:59:28,739 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 00:59:28,740 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 00:59:28,741 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 00:59:28,742 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/combinations/pals_lcr.6_overflow.ufo.UNBOUNDED.pals+Problem12_label05.c [2024-11-10 00:59:30,108 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 00:59:30,447 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 00:59:30,448 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/combinations/pals_lcr.6_overflow.ufo.UNBOUNDED.pals+Problem12_label05.c [2024-11-10 00:59:30,482 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2f30cd84/c8aeb68a9c104031ac284b270474d8f1/FLAG1c5f89971 [2024-11-10 00:59:30,497 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2f30cd84/c8aeb68a9c104031ac284b270474d8f1 [2024-11-10 00:59:30,500 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 00:59:30,502 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 00:59:30,502 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 00:59:30,503 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 00:59:30,509 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 00:59:30,509 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:59:30" (1/1) ... [2024-11-10 00:59:30,510 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5112243 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:59:30, skipping insertion in model container [2024-11-10 00:59:30,510 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:59:30" (1/1) ... [2024-11-10 00:59:30,582 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 00:59:30,938 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/combinations/pals_lcr.6_overflow.ufo.UNBOUNDED.pals+Problem12_label05.c[15584,15597] [2024-11-10 00:59:30,999 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/combinations/pals_lcr.6_overflow.ufo.UNBOUNDED.pals+Problem12_label05.c[22520,22533] [2024-11-10 00:59:31,516 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 00:59:31,531 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 00:59:31,580 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/combinations/pals_lcr.6_overflow.ufo.UNBOUNDED.pals+Problem12_label05.c[15584,15597] [2024-11-10 00:59:31,594 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/combinations/pals_lcr.6_overflow.ufo.UNBOUNDED.pals+Problem12_label05.c[22520,22533] [2024-11-10 00:59:31,900 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 00:59:31,927 INFO L204 MainTranslator]: Completed translation [2024-11-10 00:59:31,928 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:59:31 WrapperNode [2024-11-10 00:59:31,928 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 00:59:31,929 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 00:59:31,929 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 00:59:31,930 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 00:59:31,935 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:59:31" (1/1) ... [2024-11-10 00:59:31,981 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:59:31" (1/1) ... [2024-11-10 00:59:32,243 INFO L138 Inliner]: procedures = 38, calls = 23, calls flagged for inlining = 18, calls inlined = 18, statements flattened = 5153 [2024-11-10 00:59:32,243 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 00:59:32,244 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 00:59:32,244 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 00:59:32,244 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 00:59:32,252 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:59:31" (1/1) ... [2024-11-10 00:59:32,253 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:59:31" (1/1) ... [2024-11-10 00:59:32,296 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:59:31" (1/1) ... [2024-11-10 00:59:32,419 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 00:59:32,419 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:59:31" (1/1) ... [2024-11-10 00:59:32,419 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:59:31" (1/1) ... [2024-11-10 00:59:32,540 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:59:31" (1/1) ... [2024-11-10 00:59:32,556 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:59:31" (1/1) ... [2024-11-10 00:59:32,574 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:59:31" (1/1) ... [2024-11-10 00:59:32,587 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:59:31" (1/1) ... [2024-11-10 00:59:32,630 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 00:59:32,632 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 00:59:32,632 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 00:59:32,632 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 00:59:32,633 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:59:31" (1/1) ... [2024-11-10 00:59:32,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 00:59:32,648 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 00:59:32,663 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 00:59:32,668 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 00:59:32,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 00:59:32,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 00:59:32,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 00:59:32,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 00:59:32,794 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 00:59:32,796 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 00:59:37,295 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3684: havoc calculate_output2_#t~ret42#1; [2024-11-10 00:59:37,295 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L5174: havoc calculate_output3_#t~ret43#1; [2024-11-10 00:59:37,296 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2205: havoc calculate_output_#t~ret41#1; [2024-11-10 00:59:37,490 INFO L? ?]: Removed 2086 outVars from TransFormulas that were not future-live. [2024-11-10 00:59:37,490 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 00:59:37,530 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 00:59:37,531 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 00:59:37,532 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 12:59:37 BoogieIcfgContainer [2024-11-10 00:59:37,532 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 00:59:37,534 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 00:59:37,535 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 00:59:37,538 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 00:59:37,539 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 12:59:30" (1/3) ... [2024-11-10 00:59:37,539 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@558da68f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 12:59:37, skipping insertion in model container [2024-11-10 00:59:37,539 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:59:31" (2/3) ... [2024-11-10 00:59:37,540 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@558da68f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 12:59:37, skipping insertion in model container [2024-11-10 00:59:37,540 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 12:59:37" (3/3) ... [2024-11-10 00:59:37,542 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.6_overflow.ufo.UNBOUNDED.pals+Problem12_label05.c [2024-11-10 00:59:37,557 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 00:59:37,557 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-10 00:59:37,633 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 00:59:37,639 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;@58e45f4d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 00:59:37,640 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-10 00:59:37,651 INFO L276 IsEmpty]: Start isEmpty. Operand has 921 states, 918 states have (on average 2.6383442265795205) internal successors, (2422), 920 states have internal predecessors, (2422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:59:37,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-10 00:59:37,659 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:59:37,659 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 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 00:59:37,660 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:59:37,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:59:37,665 INFO L85 PathProgramCache]: Analyzing trace with hash 1962490224, now seen corresponding path program 1 times [2024-11-10 00:59:37,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:59:37,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174615872] [2024-11-10 00:59:37,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:59:37,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:59:37,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:59:37,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:59:37,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:59:37,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174615872] [2024-11-10 00:59:37,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174615872] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:59:37,893 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:59:37,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 00:59:37,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993669381] [2024-11-10 00:59:37,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:59:37,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 00:59:37,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:59:37,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 00:59:37,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 00:59:37,924 INFO L87 Difference]: Start difference. First operand has 921 states, 918 states have (on average 2.6383442265795205) internal successors, (2422), 920 states have internal predecessors, (2422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:59:37,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:59:37,985 INFO L93 Difference]: Finished difference Result 1792 states and 4752 transitions. [2024-11-10 00:59:37,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 00:59:37,992 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2024-11-10 00:59:37,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:59:38,007 INFO L225 Difference]: With dead ends: 1792 [2024-11-10 00:59:38,008 INFO L226 Difference]: Without dead ends: 853 [2024-11-10 00:59:38,013 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 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 00:59:38,015 INFO L432 NwaCegarLoop]: 2351 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2351 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 00:59:38,016 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2351 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 00:59:38,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 853 states. [2024-11-10 00:59:38,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 853 to 853. [2024-11-10 00:59:38,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 853 states, 851 states have (on average 2.6874265569917744) internal successors, (2287), 852 states have internal predecessors, (2287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:59:38,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 853 states and 2287 transitions. [2024-11-10 00:59:38,094 INFO L78 Accepts]: Start accepts. Automaton has 853 states and 2287 transitions. Word has length 28 [2024-11-10 00:59:38,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:59:38,095 INFO L471 AbstractCegarLoop]: Abstraction has 853 states and 2287 transitions. [2024-11-10 00:59:38,095 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:59:38,095 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 2287 transitions. [2024-11-10 00:59:38,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-10 00:59:38,096 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:59:38,096 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 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 00:59:38,096 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 00:59:38,097 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:59:38,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:59:38,097 INFO L85 PathProgramCache]: Analyzing trace with hash -75566065, now seen corresponding path program 1 times [2024-11-10 00:59:38,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:59:38,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951722206] [2024-11-10 00:59:38,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:59:38,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:59:38,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:59:38,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:59:38,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:59:38,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951722206] [2024-11-10 00:59:38,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951722206] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:59:38,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:59:38,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 00:59:38,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756281877] [2024-11-10 00:59:38,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:59:38,321 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 00:59:38,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:59:38,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 00:59:38,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 00:59:38,322 INFO L87 Difference]: Start difference. First operand 853 states and 2287 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:59:38,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:59:38,443 INFO L93 Difference]: Finished difference Result 908 states and 2371 transitions. [2024-11-10 00:59:38,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 00:59:38,444 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2024-11-10 00:59:38,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:59:38,450 INFO L225 Difference]: With dead ends: 908 [2024-11-10 00:59:38,450 INFO L226 Difference]: Without dead ends: 853 [2024-11-10 00:59:38,451 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 00:59:38,452 INFO L432 NwaCegarLoop]: 2285 mSDtfsCounter, 0 mSDsluCounter, 6810 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9095 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 00:59:38,452 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9095 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 00:59:38,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 853 states. [2024-11-10 00:59:38,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 853 to 853. [2024-11-10 00:59:38,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 853 states, 851 states have (on average 2.6404230317273796) internal successors, (2247), 852 states have internal predecessors, (2247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:59:38,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 853 states and 2247 transitions. [2024-11-10 00:59:38,472 INFO L78 Accepts]: Start accepts. Automaton has 853 states and 2247 transitions. Word has length 28 [2024-11-10 00:59:38,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:59:38,473 INFO L471 AbstractCegarLoop]: Abstraction has 853 states and 2247 transitions. [2024-11-10 00:59:38,473 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:59:38,474 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 2247 transitions. [2024-11-10 00:59:38,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-10 00:59:38,477 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:59:38,477 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:59:38,477 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 00:59:38,477 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:59:38,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:59:38,480 INFO L85 PathProgramCache]: Analyzing trace with hash -402374553, now seen corresponding path program 1 times [2024-11-10 00:59:38,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:59:38,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440048652] [2024-11-10 00:59:38,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:59:38,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:59:38,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:59:38,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:59:38,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:59:38,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440048652] [2024-11-10 00:59:38,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440048652] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:59:38,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:59:38,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 00:59:38,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642727339] [2024-11-10 00:59:38,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:59:38,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 00:59:38,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:59:38,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 00:59:38,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 00:59:38,649 INFO L87 Difference]: Start difference. First operand 853 states and 2247 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:59:45,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:59:45,352 INFO L93 Difference]: Finished difference Result 3112 states and 8600 transitions. [2024-11-10 00:59:45,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 00:59:45,354 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2024-11-10 00:59:45,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:59:45,363 INFO L225 Difference]: With dead ends: 3112 [2024-11-10 00:59:45,364 INFO L226 Difference]: Without dead ends: 2357 [2024-11-10 00:59:45,365 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 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 00:59:45,366 INFO L432 NwaCegarLoop]: 821 mSDtfsCounter, 4475 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 8238 mSolverCounterSat, 1100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4475 SdHoareTripleChecker+Valid, 844 SdHoareTripleChecker+Invalid, 9338 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1100 IncrementalHoareTripleChecker+Valid, 8238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2024-11-10 00:59:45,366 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4475 Valid, 844 Invalid, 9338 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1100 Valid, 8238 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2024-11-10 00:59:45,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2357 states. [2024-11-10 00:59:45,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2357 to 2357. [2024-11-10 00:59:45,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2357 states, 2355 states have (on average 2.435244161358811) internal successors, (5735), 2356 states have internal predecessors, (5735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:59:45,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2357 states to 2357 states and 5735 transitions. [2024-11-10 00:59:45,420 INFO L78 Accepts]: Start accepts. Automaton has 2357 states and 5735 transitions. Word has length 62 [2024-11-10 00:59:45,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:59:45,421 INFO L471 AbstractCegarLoop]: Abstraction has 2357 states and 5735 transitions. [2024-11-10 00:59:45,421 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:59:45,421 INFO L276 IsEmpty]: Start isEmpty. Operand 2357 states and 5735 transitions. [2024-11-10 00:59:45,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-10 00:59:45,425 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:59:45,425 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:59:45,426 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 00:59:45,426 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:59:45,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:59:45,427 INFO L85 PathProgramCache]: Analyzing trace with hash 954186912, now seen corresponding path program 1 times [2024-11-10 00:59:45,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:59:45,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127396698] [2024-11-10 00:59:45,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:59:45,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:59:45,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:59:45,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:59:45,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:59:45,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127396698] [2024-11-10 00:59:45,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127396698] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:59:45,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:59:45,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-10 00:59:45,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671859397] [2024-11-10 00:59:45,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:59:45,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 00:59:45,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:59:45,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 00:59:45,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-10 00:59:45,624 INFO L87 Difference]: Start difference. First operand 2357 states and 5735 transitions. Second operand has 8 states, 8 states have (on average 8.375) internal successors, (67), 8 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:59:45,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:59:45,866 INFO L93 Difference]: Finished difference Result 2969 states and 6695 transitions. [2024-11-10 00:59:45,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-10 00:59:45,866 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 8 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2024-11-10 00:59:45,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:59:45,877 INFO L225 Difference]: With dead ends: 2969 [2024-11-10 00:59:45,877 INFO L226 Difference]: Without dead ends: 2918 [2024-11-10 00:59:45,878 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=181, Unknown=0, NotChecked=0, Total=272 [2024-11-10 00:59:45,879 INFO L432 NwaCegarLoop]: 2243 mSDtfsCounter, 13829 mSDsluCounter, 2098 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13829 SdHoareTripleChecker+Valid, 4341 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 00:59:45,879 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13829 Valid, 4341 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 00:59:45,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2918 states. [2024-11-10 00:59:45,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2918 to 2405. [2024-11-10 00:59:45,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2405 states, 2403 states have (on average 2.418227215980025) internal successors, (5811), 2404 states have internal predecessors, (5811), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:59:45,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2405 states to 2405 states and 5811 transitions. [2024-11-10 00:59:45,959 INFO L78 Accepts]: Start accepts. Automaton has 2405 states and 5811 transitions. Word has length 67 [2024-11-10 00:59:45,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:59:45,959 INFO L471 AbstractCegarLoop]: Abstraction has 2405 states and 5811 transitions. [2024-11-10 00:59:45,959 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 8 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:59:45,959 INFO L276 IsEmpty]: Start isEmpty. Operand 2405 states and 5811 transitions. [2024-11-10 00:59:45,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-10 00:59:45,960 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:59:45,961 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:59:45,961 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 00:59:45,961 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:59:45,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:59:45,961 INFO L85 PathProgramCache]: Analyzing trace with hash 139981634, now seen corresponding path program 1 times [2024-11-10 00:59:45,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:59:45,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088371017] [2024-11-10 00:59:45,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:59:45,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:59:45,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:59:46,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:59:46,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:59:46,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088371017] [2024-11-10 00:59:46,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2088371017] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:59:46,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:59:46,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-10 00:59:46,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368342142] [2024-11-10 00:59:46,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:59:46,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 00:59:46,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:59:46,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 00:59:46,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-10 00:59:46,277 INFO L87 Difference]: Start difference. First operand 2405 states and 5811 transitions. Second operand has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:59:46,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:59:46,484 INFO L93 Difference]: Finished difference Result 2507 states and 5969 transitions. [2024-11-10 00:59:46,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 00:59:46,484 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2024-11-10 00:59:46,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:59:46,493 INFO L225 Difference]: With dead ends: 2507 [2024-11-10 00:59:46,493 INFO L226 Difference]: Without dead ends: 2408 [2024-11-10 00:59:46,494 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2024-11-10 00:59:46,495 INFO L432 NwaCegarLoop]: 2239 mSDtfsCounter, 10920 mSDsluCounter, 383 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10920 SdHoareTripleChecker+Valid, 2622 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 00:59:46,495 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10920 Valid, 2622 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 00:59:46,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2408 states. [2024-11-10 00:59:46,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2408 to 2405. [2024-11-10 00:59:46,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2405 states, 2403 states have (on average 2.4178110694964627) internal successors, (5810), 2404 states have internal predecessors, (5810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:59:46,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2405 states to 2405 states and 5810 transitions. [2024-11-10 00:59:46,537 INFO L78 Accepts]: Start accepts. Automaton has 2405 states and 5810 transitions. Word has length 69 [2024-11-10 00:59:46,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:59:46,538 INFO L471 AbstractCegarLoop]: Abstraction has 2405 states and 5810 transitions. [2024-11-10 00:59:46,538 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:59:46,538 INFO L276 IsEmpty]: Start isEmpty. Operand 2405 states and 5810 transitions. [2024-11-10 00:59:46,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-10 00:59:46,539 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:59:46,539 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:59:46,539 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 00:59:46,539 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:59:46,540 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:59:46,540 INFO L85 PathProgramCache]: Analyzing trace with hash 1768282563, now seen corresponding path program 1 times [2024-11-10 00:59:46,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:59:46,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302543871] [2024-11-10 00:59:46,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:59:46,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:59:46,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:59:46,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:59:46,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:59:46,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302543871] [2024-11-10 00:59:46,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302543871] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:59:46,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:59:46,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 00:59:46,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441278158] [2024-11-10 00:59:46,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:59:46,620 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 00:59:46,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:59:46,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 00:59:46,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 00:59:46,620 INFO L87 Difference]: Start difference. First operand 2405 states and 5810 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:59:46,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:59:46,654 INFO L93 Difference]: Finished difference Result 2591 states and 6100 transitions. [2024-11-10 00:59:46,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 00:59:46,655 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2024-11-10 00:59:46,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:59:46,664 INFO L225 Difference]: With dead ends: 2591 [2024-11-10 00:59:46,664 INFO L226 Difference]: Without dead ends: 2492 [2024-11-10 00:59:46,666 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 00:59:46,670 INFO L432 NwaCegarLoop]: 2253 mSDtfsCounter, 2174 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2174 SdHoareTripleChecker+Valid, 2328 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 00:59:46,672 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2174 Valid, 2328 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 00:59:46,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2492 states. [2024-11-10 00:59:46,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2492 to 2489. [2024-11-10 00:59:46,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2489 states, 2487 states have (on average 2.388419782870929) internal successors, (5940), 2488 states have internal predecessors, (5940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:59:46,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2489 states to 2489 states and 5940 transitions. [2024-11-10 00:59:46,719 INFO L78 Accepts]: Start accepts. Automaton has 2489 states and 5940 transitions. Word has length 70 [2024-11-10 00:59:46,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:59:46,720 INFO L471 AbstractCegarLoop]: Abstraction has 2489 states and 5940 transitions. [2024-11-10 00:59:46,720 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:59:46,720 INFO L276 IsEmpty]: Start isEmpty. Operand 2489 states and 5940 transitions. [2024-11-10 00:59:46,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-10 00:59:46,721 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:59:46,721 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:59:46,722 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 00:59:46,722 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:59:46,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:59:46,723 INFO L85 PathProgramCache]: Analyzing trace with hash 195638852, now seen corresponding path program 1 times [2024-11-10 00:59:46,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:59:46,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602872029] [2024-11-10 00:59:46,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:59:46,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:59:46,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:59:46,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:59:46,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:59:46,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602872029] [2024-11-10 00:59:46,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602872029] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:59:46,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:59:46,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 00:59:46,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259430404] [2024-11-10 00:59:46,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:59:46,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 00:59:46,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:59:46,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 00:59:46,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 00:59:46,789 INFO L87 Difference]: Start difference. First operand 2489 states and 5940 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:59:46,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:59:46,820 INFO L93 Difference]: Finished difference Result 2682 states and 6240 transitions. [2024-11-10 00:59:46,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 00:59:46,820 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2024-11-10 00:59:46,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:59:46,829 INFO L225 Difference]: With dead ends: 2682 [2024-11-10 00:59:46,829 INFO L226 Difference]: Without dead ends: 2583 [2024-11-10 00:59:46,832 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 00:59:46,833 INFO L432 NwaCegarLoop]: 2311 mSDtfsCounter, 2190 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2190 SdHoareTripleChecker+Valid, 2392 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 00:59:46,834 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2190 Valid, 2392 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 00:59:46,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2583 states. [2024-11-10 00:59:46,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2583 to 2580. [2024-11-10 00:59:46,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2580 states, 2578 states have (on average 2.3584173778122577) internal successors, (6080), 2579 states have internal predecessors, (6080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:59:46,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2580 states to 2580 states and 6080 transitions. [2024-11-10 00:59:46,881 INFO L78 Accepts]: Start accepts. Automaton has 2580 states and 6080 transitions. Word has length 71 [2024-11-10 00:59:46,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:59:46,881 INFO L471 AbstractCegarLoop]: Abstraction has 2580 states and 6080 transitions. [2024-11-10 00:59:46,881 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:59:46,881 INFO L276 IsEmpty]: Start isEmpty. Operand 2580 states and 6080 transitions. [2024-11-10 00:59:46,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-10 00:59:46,882 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:59:46,882 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:59:46,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 00:59:46,882 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:59:46,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:59:46,883 INFO L85 PathProgramCache]: Analyzing trace with hash -576901948, now seen corresponding path program 1 times [2024-11-10 00:59:46,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:59:46,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121525356] [2024-11-10 00:59:46,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:59:46,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:59:46,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:59:46,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:59:46,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:59:46,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121525356] [2024-11-10 00:59:46,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121525356] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:59:46,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:59:46,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 00:59:46,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926517284] [2024-11-10 00:59:46,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:59:46,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 00:59:46,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:59:46,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 00:59:46,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 00:59:46,933 INFO L87 Difference]: Start difference. First operand 2580 states and 6080 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:59:46,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:59:46,964 INFO L93 Difference]: Finished difference Result 3098 states and 6882 transitions. [2024-11-10 00:59:46,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 00:59:46,964 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2024-11-10 00:59:46,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:59:46,973 INFO L225 Difference]: With dead ends: 3098 [2024-11-10 00:59:46,974 INFO L226 Difference]: Without dead ends: 2827 [2024-11-10 00:59:46,975 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 00:59:46,977 INFO L432 NwaCegarLoop]: 2303 mSDtfsCounter, 2186 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2186 SdHoareTripleChecker+Valid, 2392 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 00:59:46,977 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2186 Valid, 2392 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 00:59:46,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2827 states. [2024-11-10 00:59:47,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2827 to 2824. [2024-11-10 00:59:47,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2824 states, 2822 states have (on average 2.28632175761871) internal successors, (6452), 2823 states have internal predecessors, (6452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:59:47,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2824 states to 2824 states and 6452 transitions. [2024-11-10 00:59:47,036 INFO L78 Accepts]: Start accepts. Automaton has 2824 states and 6452 transitions. Word has length 71 [2024-11-10 00:59:47,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:59:47,036 INFO L471 AbstractCegarLoop]: Abstraction has 2824 states and 6452 transitions. [2024-11-10 00:59:47,036 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:59:47,036 INFO L276 IsEmpty]: Start isEmpty. Operand 2824 states and 6452 transitions. [2024-11-10 00:59:47,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-10 00:59:47,037 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:59:47,037 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:59:47,037 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 00:59:47,037 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:59:47,038 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:59:47,038 INFO L85 PathProgramCache]: Analyzing trace with hash -1578311676, now seen corresponding path program 1 times [2024-11-10 00:59:47,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:59:47,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447426715] [2024-11-10 00:59:47,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:59:47,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:59:47,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:59:47,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:59:47,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:59:47,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447426715] [2024-11-10 00:59:47,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447426715] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:59:47,086 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:59:47,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 00:59:47,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828402739] [2024-11-10 00:59:47,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:59:47,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 00:59:47,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:59:47,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 00:59:47,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 00:59:47,091 INFO L87 Difference]: Start difference. First operand 2824 states and 6452 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:59:47,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:59:47,137 INFO L93 Difference]: Finished difference Result 3806 states and 7956 transitions. [2024-11-10 00:59:47,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 00:59:47,137 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2024-11-10 00:59:47,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:59:47,149 INFO L225 Difference]: With dead ends: 3806 [2024-11-10 00:59:47,149 INFO L226 Difference]: Without dead ends: 3291 [2024-11-10 00:59:47,151 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 00:59:47,152 INFO L432 NwaCegarLoop]: 2301 mSDtfsCounter, 2184 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2184 SdHoareTripleChecker+Valid, 2394 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 00:59:47,152 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2184 Valid, 2394 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 00:59:47,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3291 states. [2024-11-10 00:59:47,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3291 to 3288. [2024-11-10 00:59:47,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3288 states, 3286 states have (on average 2.175289105295192) internal successors, (7148), 3287 states have internal predecessors, (7148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:59:47,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3288 states to 3288 states and 7148 transitions. [2024-11-10 00:59:47,259 INFO L78 Accepts]: Start accepts. Automaton has 3288 states and 7148 transitions. Word has length 71 [2024-11-10 00:59:47,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:59:47,259 INFO L471 AbstractCegarLoop]: Abstraction has 3288 states and 7148 transitions. [2024-11-10 00:59:47,260 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:59:47,260 INFO L276 IsEmpty]: Start isEmpty. Operand 3288 states and 7148 transitions. [2024-11-10 00:59:47,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-10 00:59:47,261 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:59:47,261 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:59:47,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 00:59:47,261 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:59:47,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:59:47,262 INFO L85 PathProgramCache]: Analyzing trace with hash -1592761532, now seen corresponding path program 1 times [2024-11-10 00:59:47,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:59:47,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987108228] [2024-11-10 00:59:47,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:59:47,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:59:47,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:59:47,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:59:47,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:59:47,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987108228] [2024-11-10 00:59:47,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987108228] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:59:47,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:59:47,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 00:59:47,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7645120] [2024-11-10 00:59:47,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:59:47,310 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 00:59:47,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:59:47,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 00:59:47,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 00:59:47,311 INFO L87 Difference]: Start difference. First operand 3288 states and 7148 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:59:47,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:59:47,355 INFO L93 Difference]: Finished difference Result 5150 states and 9960 transitions. [2024-11-10 00:59:47,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 00:59:47,356 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2024-11-10 00:59:47,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:59:47,364 INFO L225 Difference]: With dead ends: 5150 [2024-11-10 00:59:47,364 INFO L226 Difference]: Without dead ends: 4171 [2024-11-10 00:59:47,366 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 00:59:47,367 INFO L432 NwaCegarLoop]: 2299 mSDtfsCounter, 2182 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2182 SdHoareTripleChecker+Valid, 2396 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 00:59:47,367 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2182 Valid, 2396 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 00:59:47,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4171 states. [2024-11-10 00:59:47,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4171 to 4168. [2024-11-10 00:59:47,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4168 states, 4166 states have (on average 2.0268843014882383) internal successors, (8444), 4167 states have internal predecessors, (8444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:59:47,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4168 states to 4168 states and 8444 transitions. [2024-11-10 00:59:47,445 INFO L78 Accepts]: Start accepts. Automaton has 4168 states and 8444 transitions. Word has length 71 [2024-11-10 00:59:47,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:59:47,446 INFO L471 AbstractCegarLoop]: Abstraction has 4168 states and 8444 transitions. [2024-11-10 00:59:47,446 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:59:47,446 INFO L276 IsEmpty]: Start isEmpty. Operand 4168 states and 8444 transitions. [2024-11-10 00:59:47,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-10 00:59:47,446 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:59:47,446 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:59:47,447 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-10 00:59:47,447 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:59:47,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:59:47,447 INFO L85 PathProgramCache]: Analyzing trace with hash 498841220, now seen corresponding path program 1 times [2024-11-10 00:59:47,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:59:47,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102614356] [2024-11-10 00:59:47,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:59:47,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:59:47,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:59:47,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:59:47,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:59:47,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102614356] [2024-11-10 00:59:47,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102614356] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:59:47,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:59:47,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 00:59:47,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957674345] [2024-11-10 00:59:47,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:59:47,490 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 00:59:47,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:59:47,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 00:59:47,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 00:59:47,491 INFO L87 Difference]: Start difference. First operand 4168 states and 8444 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:59:47,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:59:47,567 INFO L93 Difference]: Finished difference Result 7694 states and 13680 transitions. [2024-11-10 00:59:47,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 00:59:47,572 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2024-11-10 00:59:47,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:59:47,583 INFO L225 Difference]: With dead ends: 7694 [2024-11-10 00:59:47,583 INFO L226 Difference]: Without dead ends: 5835 [2024-11-10 00:59:47,587 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 00:59:47,588 INFO L432 NwaCegarLoop]: 2297 mSDtfsCounter, 2180 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2180 SdHoareTripleChecker+Valid, 2398 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 00:59:47,588 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2180 Valid, 2398 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 00:59:47,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5835 states. [2024-11-10 00:59:47,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5835 to 5832. [2024-11-10 00:59:47,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5832 states, 5830 states have (on average 1.8600343053173243) internal successors, (10844), 5831 states have internal predecessors, (10844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:59:47,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5832 states to 5832 states and 10844 transitions. [2024-11-10 00:59:47,716 INFO L78 Accepts]: Start accepts. Automaton has 5832 states and 10844 transitions. Word has length 71 [2024-11-10 00:59:47,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:59:47,716 INFO L471 AbstractCegarLoop]: Abstraction has 5832 states and 10844 transitions. [2024-11-10 00:59:47,717 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:59:47,717 INFO L276 IsEmpty]: Start isEmpty. Operand 5832 states and 10844 transitions. [2024-11-10 00:59:47,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-10 00:59:47,717 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:59:47,717 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:59:47,718 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-10 00:59:47,718 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:59:47,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:59:47,718 INFO L85 PathProgramCache]: Analyzing trace with hash -25435835, now seen corresponding path program 1 times [2024-11-10 00:59:47,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:59:47,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653113754] [2024-11-10 00:59:47,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:59:47,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:59:47,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:59:47,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:59:47,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:59:47,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653113754] [2024-11-10 00:59:47,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653113754] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:59:47,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:59:47,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-10 00:59:47,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345981626] [2024-11-10 00:59:47,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:59:47,921 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 00:59:47,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:59:47,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 00:59:47,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-10 00:59:47,921 INFO L87 Difference]: Start difference. First operand 5832 states and 10844 transitions. Second operand has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:59:48,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:59:48,015 INFO L93 Difference]: Finished difference Result 6027 states and 11102 transitions. [2024-11-10 00:59:48,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 00:59:48,016 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2024-11-10 00:59:48,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:59:48,026 INFO L225 Difference]: With dead ends: 6027 [2024-11-10 00:59:48,026 INFO L226 Difference]: Without dead ends: 6024 [2024-11-10 00:59:48,029 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-10 00:59:48,029 INFO L432 NwaCegarLoop]: 2241 mSDtfsCounter, 0 mSDsluCounter, 13433 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 15674 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 00:59:48,029 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 15674 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 00:59:48,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6024 states. [2024-11-10 00:59:48,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6024 to 6024. [2024-11-10 00:59:48,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6024 states, 6022 states have (on average 1.8299568249750913) internal successors, (11020), 6023 states have internal predecessors, (11020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:59:48,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6024 states to 6024 states and 11020 transitions. [2024-11-10 00:59:48,174 INFO L78 Accepts]: Start accepts. Automaton has 6024 states and 11020 transitions. Word has length 71 [2024-11-10 00:59:48,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:59:48,174 INFO L471 AbstractCegarLoop]: Abstraction has 6024 states and 11020 transitions. [2024-11-10 00:59:48,174 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:59:48,174 INFO L276 IsEmpty]: Start isEmpty. Operand 6024 states and 11020 transitions. [2024-11-10 00:59:48,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-10 00:59:48,175 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:59:48,175 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:59:48,175 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-10 00:59:48,175 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:59:48,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:59:48,176 INFO L85 PathProgramCache]: Analyzing trace with hash -294827644, now seen corresponding path program 1 times [2024-11-10 00:59:48,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:59:48,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30164806] [2024-11-10 00:59:48,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:59:48,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:59:48,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:59:48,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:59:48,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:59:48,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30164806] [2024-11-10 00:59:48,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30164806] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:59:48,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:59:48,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 00:59:48,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765867406] [2024-11-10 00:59:48,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:59:48,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 00:59:48,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:59:48,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 00:59:48,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 00:59:48,221 INFO L87 Difference]: Start difference. First operand 6024 states and 11020 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:59:48,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:59:48,319 INFO L93 Difference]: Finished difference Result 13070 states and 21072 transitions. [2024-11-10 00:59:48,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 00:59:48,320 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2024-11-10 00:59:48,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:59:48,335 INFO L225 Difference]: With dead ends: 13070 [2024-11-10 00:59:48,335 INFO L226 Difference]: Without dead ends: 9355 [2024-11-10 00:59:48,342 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 00:59:48,342 INFO L432 NwaCegarLoop]: 2313 mSDtfsCounter, 2188 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2188 SdHoareTripleChecker+Valid, 2398 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 00:59:48,343 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2188 Valid, 2398 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 00:59:48,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9355 states. [2024-11-10 00:59:48,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9355 to 9352. [2024-11-10 00:59:48,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9352 states, 9350 states have (on average 1.6697326203208556) internal successors, (15612), 9351 states have internal predecessors, (15612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:59:48,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9352 states to 9352 states and 15612 transitions. [2024-11-10 00:59:48,524 INFO L78 Accepts]: Start accepts. Automaton has 9352 states and 15612 transitions. Word has length 71 [2024-11-10 00:59:48,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:59:48,524 INFO L471 AbstractCegarLoop]: Abstraction has 9352 states and 15612 transitions. [2024-11-10 00:59:48,524 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:59:48,524 INFO L276 IsEmpty]: Start isEmpty. Operand 9352 states and 15612 transitions. [2024-11-10 00:59:48,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-10 00:59:48,527 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:59:48,527 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:59:48,527 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-10 00:59:48,527 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:59:48,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:59:48,528 INFO L85 PathProgramCache]: Analyzing trace with hash 674170550, now seen corresponding path program 1 times [2024-11-10 00:59:48,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:59:48,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037242187] [2024-11-10 00:59:48,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:59:48,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:59:48,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:59:48,670 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-10 00:59:48,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:59:48,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037242187] [2024-11-10 00:59:48,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037242187] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:59:48,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:59:48,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-10 00:59:48,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237929171] [2024-11-10 00:59:48,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:59:48,671 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 00:59:48,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:59:48,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 00:59:48,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-10 00:59:48,672 INFO L87 Difference]: Start difference. First operand 9352 states and 15612 transitions. Second operand has 8 states, 8 states have (on average 11.5) internal successors, (92), 8 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:59:49,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:59:49,398 INFO L93 Difference]: Finished difference Result 51069 states and 74506 transitions. [2024-11-10 00:59:49,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 00:59:49,399 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 8 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2024-11-10 00:59:49,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:59:49,471 INFO L225 Difference]: With dead ends: 51069 [2024-11-10 00:59:49,472 INFO L226 Difference]: Without dead ends: 46074 [2024-11-10 00:59:49,493 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2024-11-10 00:59:49,494 INFO L432 NwaCegarLoop]: 2324 mSDtfsCounter, 11454 mSDsluCounter, 3062 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11454 SdHoareTripleChecker+Valid, 5386 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 00:59:49,494 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11454 Valid, 5386 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 00:59:49,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46074 states. [2024-11-10 00:59:49,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46074 to 15400. [2024-11-10 00:59:50,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15400 states, 15398 states have (on average 1.5625405896869724) internal successors, (24060), 15399 states have internal predecessors, (24060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:59:50,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15400 states to 15400 states and 24060 transitions. [2024-11-10 00:59:50,032 INFO L78 Accepts]: Start accepts. Automaton has 15400 states and 24060 transitions. Word has length 94 [2024-11-10 00:59:50,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:59:50,032 INFO L471 AbstractCegarLoop]: Abstraction has 15400 states and 24060 transitions. [2024-11-10 00:59:50,032 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 8 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:59:50,032 INFO L276 IsEmpty]: Start isEmpty. Operand 15400 states and 24060 transitions. [2024-11-10 00:59:50,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-10 00:59:50,036 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:59:50,036 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:59:50,036 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-10 00:59:50,036 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:59:50,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:59:50,037 INFO L85 PathProgramCache]: Analyzing trace with hash -98370250, now seen corresponding path program 1 times [2024-11-10 00:59:50,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:59:50,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014649836] [2024-11-10 00:59:50,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:59:50,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:59:50,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:59:50,181 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-10 00:59:50,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:59:50,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014649836] [2024-11-10 00:59:50,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014649836] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:59:50,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:59:50,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-10 00:59:50,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754159007] [2024-11-10 00:59:50,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:59:50,182 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 00:59:50,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:59:50,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 00:59:50,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-10 00:59:50,183 INFO L87 Difference]: Start difference. First operand 15400 states and 24060 transitions. Second operand has 8 states, 8 states have (on average 11.0) internal successors, (88), 8 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:59:50,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:59:50,984 INFO L93 Difference]: Finished difference Result 58109 states and 84394 transitions. [2024-11-10 00:59:50,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 00:59:50,989 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.0) internal successors, (88), 8 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2024-11-10 00:59:50,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:59:51,064 INFO L225 Difference]: With dead ends: 58109 [2024-11-10 00:59:51,064 INFO L226 Difference]: Without dead ends: 51066 [2024-11-10 00:59:51,083 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2024-11-10 00:59:51,084 INFO L432 NwaCegarLoop]: 2326 mSDtfsCounter, 11513 mSDsluCounter, 3094 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11513 SdHoareTripleChecker+Valid, 5420 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 00:59:51,084 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11513 Valid, 5420 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 00:59:51,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51066 states. [2024-11-10 00:59:51,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51066 to 24936. [2024-11-10 00:59:51,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24936 states, 24934 states have (on average 1.4988369294938637) internal successors, (37372), 24935 states have internal predecessors, (37372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:59:51,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24936 states to 24936 states and 37372 transitions. [2024-11-10 00:59:51,746 INFO L78 Accepts]: Start accepts. Automaton has 24936 states and 37372 transitions. Word has length 94 [2024-11-10 00:59:51,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:59:51,746 INFO L471 AbstractCegarLoop]: Abstraction has 24936 states and 37372 transitions. [2024-11-10 00:59:51,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.0) internal successors, (88), 8 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:59:51,746 INFO L276 IsEmpty]: Start isEmpty. Operand 24936 states and 37372 transitions. [2024-11-10 00:59:51,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-10 00:59:51,750 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:59:51,750 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:59:51,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-10 00:59:51,751 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:59:51,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:59:51,751 INFO L85 PathProgramCache]: Analyzing trace with hash -1099779978, now seen corresponding path program 1 times [2024-11-10 00:59:51,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:59:51,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980175838] [2024-11-10 00:59:51,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:59:51,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:59:51,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:59:51,909 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-10 00:59:51,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:59:51,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980175838] [2024-11-10 00:59:51,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [980175838] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:59:51,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:59:51,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-10 00:59:51,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049356858] [2024-11-10 00:59:51,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:59:51,910 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 00:59:51,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:59:51,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 00:59:51,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-10 00:59:51,911 INFO L87 Difference]: Start difference. First operand 24936 states and 37372 transitions. Second operand has 8 states, 8 states have (on average 10.75) internal successors, (86), 8 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:59:53,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:59:53,261 INFO L93 Difference]: Finished difference Result 65149 states and 94250 transitions. [2024-11-10 00:59:53,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 00:59:53,262 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.75) internal successors, (86), 8 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2024-11-10 00:59:53,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:59:53,340 INFO L225 Difference]: With dead ends: 65149 [2024-11-10 00:59:53,340 INFO L226 Difference]: Without dead ends: 58106 [2024-11-10 00:59:53,355 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2024-11-10 00:59:53,356 INFO L432 NwaCegarLoop]: 2323 mSDtfsCounter, 11563 mSDsluCounter, 2997 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11563 SdHoareTripleChecker+Valid, 5320 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 00:59:53,356 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11563 Valid, 5320 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 00:59:53,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58106 states. [2024-11-10 00:59:54,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58106 to 31976. [2024-11-10 00:59:54,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31976 states, 31974 states have (on average 1.4770751235378745) internal successors, (47228), 31975 states have internal predecessors, (47228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:59:54,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31976 states to 31976 states and 47228 transitions. [2024-11-10 00:59:54,152 INFO L78 Accepts]: Start accepts. Automaton has 31976 states and 47228 transitions. Word has length 94 [2024-11-10 00:59:54,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:59:54,152 INFO L471 AbstractCegarLoop]: Abstraction has 31976 states and 47228 transitions. [2024-11-10 00:59:54,153 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.75) internal successors, (86), 8 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:59:54,153 INFO L276 IsEmpty]: Start isEmpty. Operand 31976 states and 47228 transitions. [2024-11-10 00:59:54,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-10 00:59:54,157 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:59:54,157 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:59:54,157 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-10 00:59:54,157 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:59:54,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:59:54,158 INFO L85 PathProgramCache]: Analyzing trace with hash -1114229834, now seen corresponding path program 1 times [2024-11-10 00:59:54,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:59:54,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115811320] [2024-11-10 00:59:54,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:59:54,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:59:54,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:59:54,397 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-10 00:59:54,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:59:54,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115811320] [2024-11-10 00:59:54,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115811320] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:59:54,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:59:54,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-10 00:59:54,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116626713] [2024-11-10 00:59:54,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:59:54,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 00:59:54,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:59:54,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 00:59:54,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-10 00:59:54,399 INFO L87 Difference]: Start difference. First operand 31976 states and 47228 transitions. Second operand has 8 states, 8 states have (on average 10.5) internal successors, (84), 8 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:59:55,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:59:55,465 INFO L93 Difference]: Finished difference Result 72189 states and 104106 transitions. [2024-11-10 00:59:55,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 00:59:55,466 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.5) internal successors, (84), 8 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2024-11-10 00:59:55,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:59:55,546 INFO L225 Difference]: With dead ends: 72189 [2024-11-10 00:59:55,547 INFO L226 Difference]: Without dead ends: 65146 [2024-11-10 00:59:55,564 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2024-11-10 00:59:55,564 INFO L432 NwaCegarLoop]: 2320 mSDtfsCounter, 11612 mSDsluCounter, 3003 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11612 SdHoareTripleChecker+Valid, 5323 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 00:59:55,564 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11612 Valid, 5323 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 00:59:55,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65146 states. [2024-11-10 00:59:56,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65146 to 39016. [2024-11-10 00:59:56,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39016 states, 39014 states have (on average 1.4631670682319167) internal successors, (57084), 39015 states have internal predecessors, (57084), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:59:56,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39016 states to 39016 states and 57084 transitions. [2024-11-10 00:59:56,832 INFO L78 Accepts]: Start accepts. Automaton has 39016 states and 57084 transitions. Word has length 94 [2024-11-10 00:59:56,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:59:56,832 INFO L471 AbstractCegarLoop]: Abstraction has 39016 states and 57084 transitions. [2024-11-10 00:59:56,832 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.5) internal successors, (84), 8 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:59:56,832 INFO L276 IsEmpty]: Start isEmpty. Operand 39016 states and 57084 transitions. [2024-11-10 00:59:56,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-10 00:59:56,837 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:59:56,837 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:59:56,838 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-10 00:59:56,838 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:59:56,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:59:56,838 INFO L85 PathProgramCache]: Analyzing trace with hash 977372918, now seen corresponding path program 1 times [2024-11-10 00:59:56,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:59:56,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521267326] [2024-11-10 00:59:56,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:59:56,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:59:56,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:59:57,023 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-10 00:59:57,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:59:57,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521267326] [2024-11-10 00:59:57,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521267326] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:59:57,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:59:57,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-10 00:59:57,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317696798] [2024-11-10 00:59:57,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:59:57,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 00:59:57,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:59:57,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 00:59:57,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-10 00:59:57,025 INFO L87 Difference]: Start difference. First operand 39016 states and 57084 transitions. Second operand has 8 states, 8 states have (on average 10.25) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:59:58,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:59:58,639 INFO L93 Difference]: Finished difference Result 79229 states and 113962 transitions. [2024-11-10 00:59:58,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 00:59:58,640 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2024-11-10 00:59:58,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:59:58,735 INFO L225 Difference]: With dead ends: 79229 [2024-11-10 00:59:58,735 INFO L226 Difference]: Without dead ends: 72186 [2024-11-10 00:59:58,754 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2024-11-10 00:59:58,755 INFO L432 NwaCegarLoop]: 2320 mSDtfsCounter, 11522 mSDsluCounter, 3103 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11522 SdHoareTripleChecker+Valid, 5423 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 00:59:58,755 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11522 Valid, 5423 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 00:59:58,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72186 states. [2024-11-10 00:59:59,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72186 to 46056. [2024-11-10 00:59:59,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46056 states, 46054 states have (on average 1.4535110956703001) internal successors, (66940), 46055 states have internal predecessors, (66940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 01:00:00,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46056 states to 46056 states and 66940 transitions. [2024-11-10 01:00:00,053 INFO L78 Accepts]: Start accepts. Automaton has 46056 states and 66940 transitions. Word has length 94 [2024-11-10 01:00:00,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 01:00:00,054 INFO L471 AbstractCegarLoop]: Abstraction has 46056 states and 66940 transitions. [2024-11-10 01:00:00,054 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 01:00:00,054 INFO L276 IsEmpty]: Start isEmpty. Operand 46056 states and 66940 transitions. [2024-11-10 01:00:00,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-10 01:00:00,059 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 01:00:00,059 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:00:00,059 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-10 01:00:00,059 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 01:00:00,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 01:00:00,059 INFO L85 PathProgramCache]: Analyzing trace with hash 183704054, now seen corresponding path program 1 times [2024-11-10 01:00:00,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 01:00:00,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565061558] [2024-11-10 01:00:00,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 01:00:00,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 01:00:00,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:00:00,193 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-10 01:00:00,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 01:00:00,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565061558] [2024-11-10 01:00:00,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565061558] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 01:00:00,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 01:00:00,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-10 01:00:00,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431594782] [2024-11-10 01:00:00,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 01:00:00,194 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 01:00:00,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 01:00:00,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 01:00:00,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-10 01:00:00,195 INFO L87 Difference]: Start difference. First operand 46056 states and 66940 transitions. Second operand has 8 states, 8 states have (on average 11.25) internal successors, (90), 8 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 01:00:02,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 01:00:02,257 INFO L93 Difference]: Finished difference Result 86269 states and 123818 transitions. [2024-11-10 01:00:02,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 01:00:02,257 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.25) internal successors, (90), 8 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2024-11-10 01:00:02,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 01:00:02,374 INFO L225 Difference]: With dead ends: 86269 [2024-11-10 01:00:02,374 INFO L226 Difference]: Without dead ends: 79226 [2024-11-10 01:00:02,387 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2024-11-10 01:00:02,387 INFO L432 NwaCegarLoop]: 2321 mSDtfsCounter, 11460 mSDsluCounter, 3261 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11460 SdHoareTripleChecker+Valid, 5582 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 01:00:02,387 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11460 Valid, 5582 Invalid, 201 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 01:00:02,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79226 states. [2024-11-10 01:00:03,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79226 to 53096. [2024-11-10 01:00:03,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53096 states, 53094 states have (on average 1.446415790861491) internal successors, (76796), 53095 states have internal predecessors, (76796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 01:00:04,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53096 states to 53096 states and 76796 transitions. [2024-11-10 01:00:04,043 INFO L78 Accepts]: Start accepts. Automaton has 53096 states and 76796 transitions. Word has length 94 [2024-11-10 01:00:04,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 01:00:04,043 INFO L471 AbstractCegarLoop]: Abstraction has 53096 states and 76796 transitions. [2024-11-10 01:00:04,043 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.25) internal successors, (90), 8 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 01:00:04,043 INFO L276 IsEmpty]: Start isEmpty. Operand 53096 states and 76796 transitions. [2024-11-10 01:00:04,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-10 01:00:04,049 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 01:00:04,049 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:00:04,049 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-10 01:00:04,050 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 01:00:04,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 01:00:04,050 INFO L85 PathProgramCache]: Analyzing trace with hash 1627197400, now seen corresponding path program 1 times [2024-11-10 01:00:04,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 01:00:04,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129954067] [2024-11-10 01:00:04,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 01:00:04,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 01:00:04,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:00:04,153 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 01:00:04,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 01:00:04,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129954067] [2024-11-10 01:00:04,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129954067] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 01:00:04,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 01:00:04,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 01:00:04,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424757839] [2024-11-10 01:00:04,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 01:00:04,154 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 01:00:04,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 01:00:04,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 01:00:04,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 01:00:04,154 INFO L87 Difference]: Start difference. First operand 53096 states and 76796 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 01:00:05,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 01:00:05,476 INFO L93 Difference]: Finished difference Result 103886 states and 147936 transitions. [2024-11-10 01:00:05,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 01:00:05,477 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-11-10 01:00:05,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 01:00:05,564 INFO L225 Difference]: With dead ends: 103886 [2024-11-10 01:00:05,565 INFO L226 Difference]: Without dead ends: 53099 [2024-11-10 01:00:05,606 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 01:00:05,606 INFO L432 NwaCegarLoop]: 2291 mSDtfsCounter, 52 mSDsluCounter, 2235 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 4526 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 01:00:05,607 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 4526 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 01:00:05,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53099 states. [2024-11-10 01:00:07,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53099 to 53096. [2024-11-10 01:00:07,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53096 states, 53094 states have (on average 1.4334576411647266) internal successors, (76108), 53095 states have internal predecessors, (76108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 01:00:07,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53096 states to 53096 states and 76108 transitions. [2024-11-10 01:00:07,673 INFO L78 Accepts]: Start accepts. Automaton has 53096 states and 76108 transitions. Word has length 96 [2024-11-10 01:00:07,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 01:00:07,673 INFO L471 AbstractCegarLoop]: Abstraction has 53096 states and 76108 transitions. [2024-11-10 01:00:07,674 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 01:00:07,674 INFO L276 IsEmpty]: Start isEmpty. Operand 53096 states and 76108 transitions. [2024-11-10 01:00:07,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-10 01:00:07,677 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 01:00:07,677 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:00:07,677 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-10 01:00:07,677 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 01:00:07,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 01:00:07,677 INFO L85 PathProgramCache]: Analyzing trace with hash -1559669992, now seen corresponding path program 1 times [2024-11-10 01:00:07,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 01:00:07,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344673983] [2024-11-10 01:00:07,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 01:00:07,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 01:00:07,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:00:07,753 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 01:00:07,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 01:00:07,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344673983] [2024-11-10 01:00:07,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344673983] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 01:00:07,754 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 01:00:07,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 01:00:07,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199989996] [2024-11-10 01:00:07,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 01:00:07,755 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 01:00:07,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 01:00:07,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 01:00:07,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 01:00:07,755 INFO L87 Difference]: Start difference. First operand 53096 states and 76108 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 01:00:08,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 01:00:08,161 INFO L93 Difference]: Finished difference Result 71845 states and 102296 transitions. [2024-11-10 01:00:08,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 01:00:08,161 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-11-10 01:00:08,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 01:00:08,189 INFO L225 Difference]: With dead ends: 71845 [2024-11-10 01:00:08,189 INFO L226 Difference]: Without dead ends: 21058 [2024-11-10 01:00:08,220 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 01:00:08,221 INFO L432 NwaCegarLoop]: 2289 mSDtfsCounter, 48 mSDsluCounter, 2234 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 4523 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 01:00:08,221 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 4523 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 01:00:08,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21058 states. [2024-11-10 01:00:08,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21058 to 21048. [2024-11-10 01:00:08,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21048 states, 21046 states have (on average 1.5012829041147961) internal successors, (31596), 21047 states have internal predecessors, (31596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 01:00:08,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21048 states to 21048 states and 31596 transitions. [2024-11-10 01:00:08,867 INFO L78 Accepts]: Start accepts. Automaton has 21048 states and 31596 transitions. Word has length 96 [2024-11-10 01:00:08,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 01:00:08,867 INFO L471 AbstractCegarLoop]: Abstraction has 21048 states and 31596 transitions. [2024-11-10 01:00:08,867 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 01:00:08,867 INFO L276 IsEmpty]: Start isEmpty. Operand 21048 states and 31596 transitions. [2024-11-10 01:00:08,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-10 01:00:08,870 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 01:00:08,870 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:00:08,873 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-10 01:00:08,873 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 01:00:08,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 01:00:08,874 INFO L85 PathProgramCache]: Analyzing trace with hash -1304586086, now seen corresponding path program 1 times [2024-11-10 01:00:08,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 01:00:08,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945747210] [2024-11-10 01:00:08,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 01:00:08,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 01:00:08,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:00:08,953 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 01:00:08,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 01:00:08,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945747210] [2024-11-10 01:00:08,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945747210] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 01:00:08,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 01:00:08,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 01:00:08,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310433149] [2024-11-10 01:00:08,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 01:00:08,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 01:00:08,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 01:00:08,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 01:00:08,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 01:00:08,955 INFO L87 Difference]: Start difference. First operand 21048 states and 31596 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 01:00:09,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 01:00:09,178 INFO L93 Difference]: Finished difference Result 30414 states and 44560 transitions. [2024-11-10 01:00:09,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 01:00:09,179 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2024-11-10 01:00:09,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 01:00:09,196 INFO L225 Difference]: With dead ends: 30414 [2024-11-10 01:00:09,197 INFO L226 Difference]: Without dead ends: 11691 [2024-11-10 01:00:09,211 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 01:00:09,211 INFO L432 NwaCegarLoop]: 2283 mSDtfsCounter, 46 mSDsluCounter, 2219 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 4502 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 01:00:09,212 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 4502 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 01:00:09,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11691 states. [2024-11-10 01:00:09,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11691 to 11688. [2024-11-10 01:00:09,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11688 states, 11686 states have (on average 1.5844600376518911) internal successors, (18516), 11687 states have internal predecessors, (18516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 01:00:09,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11688 states to 11688 states and 18516 transitions. [2024-11-10 01:00:09,553 INFO L78 Accepts]: Start accepts. Automaton has 11688 states and 18516 transitions. Word has length 98 [2024-11-10 01:00:09,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 01:00:09,553 INFO L471 AbstractCegarLoop]: Abstraction has 11688 states and 18516 transitions. [2024-11-10 01:00:09,553 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 01:00:09,553 INFO L276 IsEmpty]: Start isEmpty. Operand 11688 states and 18516 transitions. [2024-11-10 01:00:09,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-10 01:00:09,555 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 01:00:09,555 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:00:09,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-10 01:00:09,555 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 01:00:09,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 01:00:09,556 INFO L85 PathProgramCache]: Analyzing trace with hash 687095265, now seen corresponding path program 1 times [2024-11-10 01:00:09,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 01:00:09,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665627848] [2024-11-10 01:00:09,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 01:00:09,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 01:00:09,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:00:09,646 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 01:00:09,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 01:00:09,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665627848] [2024-11-10 01:00:09,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665627848] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 01:00:09,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 01:00:09,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 01:00:09,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9557735] [2024-11-10 01:00:09,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 01:00:09,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 01:00:09,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 01:00:09,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 01:00:09,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 01:00:09,648 INFO L87 Difference]: Start difference. First operand 11688 states and 18516 transitions. Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 01:00:09,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 01:00:09,764 INFO L93 Difference]: Finished difference Result 16374 states and 24940 transitions. [2024-11-10 01:00:09,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 01:00:09,764 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2024-11-10 01:00:09,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 01:00:09,776 INFO L225 Difference]: With dead ends: 16374 [2024-11-10 01:00:09,777 INFO L226 Difference]: Without dead ends: 7011 [2024-11-10 01:00:09,784 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 01:00:09,784 INFO L432 NwaCegarLoop]: 2276 mSDtfsCounter, 43 mSDsluCounter, 2211 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 4487 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 01:00:09,784 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 4487 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 01:00:09,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7011 states. [2024-11-10 01:00:09,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7011 to 7008. [2024-11-10 01:00:09,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7008 states, 7006 states have (on average 1.717956037681987) internal successors, (12036), 7007 states have internal predecessors, (12036), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 01:00:09,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7008 states to 7008 states and 12036 transitions. [2024-11-10 01:00:09,919 INFO L78 Accepts]: Start accepts. Automaton has 7008 states and 12036 transitions. Word has length 100 [2024-11-10 01:00:09,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 01:00:09,919 INFO L471 AbstractCegarLoop]: Abstraction has 7008 states and 12036 transitions. [2024-11-10 01:00:09,920 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 01:00:09,920 INFO L276 IsEmpty]: Start isEmpty. Operand 7008 states and 12036 transitions. [2024-11-10 01:00:09,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-10 01:00:09,921 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 01:00:09,921 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:00:09,921 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-10 01:00:09,921 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 01:00:09,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 01:00:09,922 INFO L85 PathProgramCache]: Analyzing trace with hash 1321194568, now seen corresponding path program 1 times [2024-11-10 01:00:09,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 01:00:09,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911809048] [2024-11-10 01:00:09,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 01:00:09,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 01:00:09,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:00:10,001 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 01:00:10,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 01:00:10,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911809048] [2024-11-10 01:00:10,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911809048] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 01:00:10,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 01:00:10,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 01:00:10,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376105466] [2024-11-10 01:00:10,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 01:00:10,002 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 01:00:10,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 01:00:10,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 01:00:10,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 01:00:10,002 INFO L87 Difference]: Start difference. First operand 7008 states and 12036 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 01:00:10,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 01:00:10,080 INFO L93 Difference]: Finished difference Result 9354 states and 15220 transitions. [2024-11-10 01:00:10,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 01:00:10,081 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 102 [2024-11-10 01:00:10,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 01:00:10,087 INFO L225 Difference]: With dead ends: 9354 [2024-11-10 01:00:10,087 INFO L226 Difference]: Without dead ends: 4671 [2024-11-10 01:00:10,091 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 01:00:10,091 INFO L432 NwaCegarLoop]: 2269 mSDtfsCounter, 40 mSDsluCounter, 2203 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 4472 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 01:00:10,091 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 4472 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 01:00:10,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4671 states. [2024-11-10 01:00:10,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4671 to 4668. [2024-11-10 01:00:10,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4668 states, 4666 states have (on average 1.891555936562366) internal successors, (8826), 4667 states have internal predecessors, (8826), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 01:00:10,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4668 states to 4668 states and 8826 transitions. [2024-11-10 01:00:10,167 INFO L78 Accepts]: Start accepts. Automaton has 4668 states and 8826 transitions. Word has length 102 [2024-11-10 01:00:10,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 01:00:10,167 INFO L471 AbstractCegarLoop]: Abstraction has 4668 states and 8826 transitions. [2024-11-10 01:00:10,167 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 01:00:10,167 INFO L276 IsEmpty]: Start isEmpty. Operand 4668 states and 8826 transitions. [2024-11-10 01:00:10,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-10 01:00:10,168 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 01:00:10,168 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:00:10,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-10 01:00:10,168 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 01:00:10,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 01:00:10,169 INFO L85 PathProgramCache]: Analyzing trace with hash 503630799, now seen corresponding path program 1 times [2024-11-10 01:00:10,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 01:00:10,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260573618] [2024-11-10 01:00:10,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 01:00:10,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 01:00:10,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:00:10,244 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 01:00:10,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 01:00:10,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260573618] [2024-11-10 01:00:10,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260573618] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 01:00:10,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 01:00:10,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 01:00:10,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252698112] [2024-11-10 01:00:10,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 01:00:10,245 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 01:00:10,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 01:00:10,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 01:00:10,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 01:00:10,246 INFO L87 Difference]: Start difference. First operand 4668 states and 8826 transitions. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 01:00:10,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 01:00:10,293 INFO L93 Difference]: Finished difference Result 5844 states and 10405 transitions. [2024-11-10 01:00:10,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 01:00:10,294 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 104 [2024-11-10 01:00:10,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 01:00:10,301 INFO L225 Difference]: With dead ends: 5844 [2024-11-10 01:00:10,301 INFO L226 Difference]: Without dead ends: 3501 [2024-11-10 01:00:10,303 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 01:00:10,303 INFO L432 NwaCegarLoop]: 2262 mSDtfsCounter, 37 mSDsluCounter, 2195 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 4457 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 01:00:10,304 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 4457 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 01:00:10,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3501 states. [2024-11-10 01:00:10,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3501 to 3498. [2024-11-10 01:00:10,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3498 states, 3496 states have (on average 2.0697940503432495) internal successors, (7236), 3497 states have internal predecessors, (7236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 01:00:10,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3498 states to 3498 states and 7236 transitions. [2024-11-10 01:00:10,361 INFO L78 Accepts]: Start accepts. Automaton has 3498 states and 7236 transitions. Word has length 104 [2024-11-10 01:00:10,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 01:00:10,362 INFO L471 AbstractCegarLoop]: Abstraction has 3498 states and 7236 transitions. [2024-11-10 01:00:10,362 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 01:00:10,362 INFO L276 IsEmpty]: Start isEmpty. Operand 3498 states and 7236 transitions. [2024-11-10 01:00:10,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-10 01:00:10,363 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 01:00:10,363 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:00:10,363 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-10 01:00:10,363 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 01:00:10,363 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 01:00:10,363 INFO L85 PathProgramCache]: Analyzing trace with hash -1015442314, now seen corresponding path program 1 times [2024-11-10 01:00:10,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 01:00:10,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768516233] [2024-11-10 01:00:10,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 01:00:10,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 01:00:10,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:00:10,725 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 01:00:10,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 01:00:10,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768516233] [2024-11-10 01:00:10,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1768516233] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 01:00:10,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2003058834] [2024-11-10 01:00:10,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 01:00:10,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 01:00:10,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 01:00:10,728 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 01:00:10,729 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 01:00:10,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:00:10,899 INFO L255 TraceCheckSpWp]: Trace formula consists of 499 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-10 01:00:10,909 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 01:00:11,726 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 01:00:11,726 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 01:00:13,045 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 01:00:13,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2003058834] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 01:00:13,046 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 01:00:13,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 13, 13] total 32 [2024-11-10 01:00:13,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936508586] [2024-11-10 01:00:13,047 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 01:00:13,047 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-11-10 01:00:13,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 01:00:13,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-11-10 01:00:13,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=880, Unknown=0, NotChecked=0, Total=992 [2024-11-10 01:00:13,050 INFO L87 Difference]: Start difference. First operand 3498 states and 7236 transitions. Second operand has 32 states, 32 states have (on average 8.5) internal successors, (272), 32 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 01:00:15,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 01:00:15,377 INFO L93 Difference]: Finished difference Result 9360 states and 15040 transitions. [2024-11-10 01:00:15,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-11-10 01:00:15,378 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 8.5) internal successors, (272), 32 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2024-11-10 01:00:15,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 01:00:15,389 INFO L225 Difference]: With dead ends: 9360 [2024-11-10 01:00:15,390 INFO L226 Difference]: Without dead ends: 8187 [2024-11-10 01:00:15,395 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1119 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=879, Invalid=3951, Unknown=0, NotChecked=0, Total=4830 [2024-11-10 01:00:15,395 INFO L432 NwaCegarLoop]: 2200 mSDtfsCounter, 26120 mSDsluCounter, 20544 mSDsCounter, 0 mSdLazyCounter, 1318 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26120 SdHoareTripleChecker+Valid, 22744 SdHoareTripleChecker+Invalid, 1366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 1318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-10 01:00:15,397 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26120 Valid, 22744 Invalid, 1366 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [48 Valid, 1318 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-10 01:00:15,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8187 states. [2024-11-10 01:00:15,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8187 to 5820. [2024-11-10 01:00:15,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5820 states, 5818 states have (on average 1.7609144035751116) internal successors, (10245), 5819 states have internal predecessors, (10245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 01:00:15,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5820 states to 5820 states and 10245 transitions. [2024-11-10 01:00:15,614 INFO L78 Accepts]: Start accepts. Automaton has 5820 states and 10245 transitions. Word has length 106 [2024-11-10 01:00:15,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 01:00:15,614 INFO L471 AbstractCegarLoop]: Abstraction has 5820 states and 10245 transitions. [2024-11-10 01:00:15,614 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 8.5) internal successors, (272), 32 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 01:00:15,614 INFO L276 IsEmpty]: Start isEmpty. Operand 5820 states and 10245 transitions. [2024-11-10 01:00:15,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-10 01:00:15,615 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 01:00:15,615 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:00:15,632 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 01:00:15,816 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-10 01:00:15,816 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 01:00:15,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 01:00:15,816 INFO L85 PathProgramCache]: Analyzing trace with hash 1776593590, now seen corresponding path program 1 times [2024-11-10 01:00:15,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 01:00:15,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308071718] [2024-11-10 01:00:15,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 01:00:15,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 01:00:15,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:00:16,081 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 01:00:16,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 01:00:16,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308071718] [2024-11-10 01:00:16,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308071718] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 01:00:16,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [548302555] [2024-11-10 01:00:16,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 01:00:16,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 01:00:16,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 01:00:16,084 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 01:00:16,085 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 01:00:16,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:00:16,232 INFO L255 TraceCheckSpWp]: Trace formula consists of 501 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-10 01:00:16,236 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 01:00:16,737 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 01:00:16,738 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 01:00:17,713 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 01:00:17,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [548302555] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 01:00:17,713 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 01:00:17,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 25 [2024-11-10 01:00:17,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547952909] [2024-11-10 01:00:17,713 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 01:00:17,714 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-10 01:00:17,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 01:00:17,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-10 01:00:17,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=550, Unknown=0, NotChecked=0, Total=650 [2024-11-10 01:00:17,715 INFO L87 Difference]: Start difference. First operand 5820 states and 10245 transitions. Second operand has 26 states, 26 states have (on average 11.576923076923077) internal successors, (301), 25 states have internal predecessors, (301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 01:00:18,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 01:00:18,778 INFO L93 Difference]: Finished difference Result 16741 states and 24564 transitions. [2024-11-10 01:00:18,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-10 01:00:18,778 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 11.576923076923077) internal successors, (301), 25 states have internal predecessors, (301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 107 [2024-11-10 01:00:18,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 01:00:18,794 INFO L225 Difference]: With dead ends: 16741 [2024-11-10 01:00:18,794 INFO L226 Difference]: Without dead ends: 13246 [2024-11-10 01:00:18,803 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 439 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=499, Invalid=1853, Unknown=0, NotChecked=0, Total=2352 [2024-11-10 01:00:18,804 INFO L432 NwaCegarLoop]: 2201 mSDtfsCounter, 27303 mSDsluCounter, 11554 mSDsCounter, 0 mSdLazyCounter, 846 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27303 SdHoareTripleChecker+Valid, 13755 SdHoareTripleChecker+Invalid, 871 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 846 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 01:00:18,804 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27303 Valid, 13755 Invalid, 871 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 846 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 01:00:18,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13246 states. [2024-11-10 01:00:19,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13246 to 13191. [2024-11-10 01:00:19,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13191 states, 13189 states have (on average 1.4924558344074608) internal successors, (19684), 13190 states have internal predecessors, (19684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 01:00:19,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13191 states to 13191 states and 19684 transitions. [2024-11-10 01:00:19,198 INFO L78 Accepts]: Start accepts. Automaton has 13191 states and 19684 transitions. Word has length 107 [2024-11-10 01:00:19,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 01:00:19,199 INFO L471 AbstractCegarLoop]: Abstraction has 13191 states and 19684 transitions. [2024-11-10 01:00:19,199 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 11.576923076923077) internal successors, (301), 25 states have internal predecessors, (301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 01:00:19,199 INFO L276 IsEmpty]: Start isEmpty. Operand 13191 states and 19684 transitions. [2024-11-10 01:00:19,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-10 01:00:19,200 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 01:00:19,200 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:00:19,213 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 01:00:19,400 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,SelfDestructingSolverStorable26 [2024-11-10 01:00:19,401 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 01:00:19,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 01:00:19,405 INFO L85 PathProgramCache]: Analyzing trace with hash 495550957, now seen corresponding path program 1 times [2024-11-10 01:00:19,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 01:00:19,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748943650] [2024-11-10 01:00:19,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 01:00:19,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 01:00:19,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:00:19,967 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 01:00:19,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 01:00:19,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748943650] [2024-11-10 01:00:19,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748943650] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 01:00:19,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1737838404] [2024-11-10 01:00:19,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 01:00:19,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 01:00:19,968 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 01:00:19,969 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 01:00:19,970 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 01:00:20,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:00:20,108 INFO L255 TraceCheckSpWp]: Trace formula consists of 503 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-10 01:00:20,110 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 01:00:20,441 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 15 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 01:00:20,441 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 01:00:21,196 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 15 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 01:00:21,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1737838404] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 01:00:21,196 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 01:00:21,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9, 9] total 28 [2024-11-10 01:00:21,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40029101] [2024-11-10 01:00:21,196 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 01:00:21,196 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-10 01:00:21,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 01:00:21,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-10 01:00:21,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=695, Unknown=0, NotChecked=0, Total=812 [2024-11-10 01:00:21,197 INFO L87 Difference]: Start difference. First operand 13191 states and 19684 transitions. Second operand has 29 states, 29 states have (on average 9.344827586206897) internal successors, (271), 28 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 01:00:23,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 01:00:23,113 INFO L93 Difference]: Finished difference Result 59424 states and 79360 transitions. [2024-11-10 01:00:23,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-10 01:00:23,114 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 9.344827586206897) internal successors, (271), 28 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 108 [2024-11-10 01:00:23,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 01:00:23,165 INFO L225 Difference]: With dead ends: 59424 [2024-11-10 01:00:23,165 INFO L226 Difference]: Without dead ends: 48558 [2024-11-10 01:00:23,183 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 704 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=615, Invalid=2465, Unknown=0, NotChecked=0, Total=3080 [2024-11-10 01:00:23,183 INFO L432 NwaCegarLoop]: 2228 mSDtfsCounter, 29597 mSDsluCounter, 11898 mSDsCounter, 0 mSdLazyCounter, 1376 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29597 SdHoareTripleChecker+Valid, 14126 SdHoareTripleChecker+Invalid, 1409 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 01:00:23,184 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29597 Valid, 14126 Invalid, 1409 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 1376 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 01:00:23,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48558 states. [2024-11-10 01:00:24,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48558 to 48540. [2024-11-10 01:00:24,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48540 states, 48538 states have (on average 1.3354897193951132) internal successors, (64822), 48539 states have internal predecessors, (64822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 01:00:24,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48540 states to 48540 states and 64822 transitions. [2024-11-10 01:00:24,443 INFO L78 Accepts]: Start accepts. Automaton has 48540 states and 64822 transitions. Word has length 108 [2024-11-10 01:00:24,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 01:00:24,443 INFO L471 AbstractCegarLoop]: Abstraction has 48540 states and 64822 transitions. [2024-11-10 01:00:24,444 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 9.344827586206897) internal successors, (271), 28 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 01:00:24,444 INFO L276 IsEmpty]: Start isEmpty. Operand 48540 states and 64822 transitions. [2024-11-10 01:00:24,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-10 01:00:24,446 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 01:00:24,447 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:00:24,459 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 01:00:24,647 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 01:00:24,648 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 01:00:24,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 01:00:24,648 INFO L85 PathProgramCache]: Analyzing trace with hash 1851323788, now seen corresponding path program 1 times [2024-11-10 01:00:24,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 01:00:24,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178289382] [2024-11-10 01:00:24,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 01:00:24,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 01:00:24,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:00:25,012 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 01:00:25,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 01:00:25,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178289382] [2024-11-10 01:00:25,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178289382] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 01:00:25,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1820438480] [2024-11-10 01:00:25,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 01:00:25,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 01:00:25,014 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 01:00:25,015 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 01:00:25,015 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-10 01:00:25,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:00:25,159 INFO L255 TraceCheckSpWp]: Trace formula consists of 505 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-10 01:00:25,162 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 01:00:25,757 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 01:00:25,757 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 01:00:26,999 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 01:00:26,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1820438480] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 01:00:26,999 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 01:00:27,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 12, 13] total 30 [2024-11-10 01:00:27,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240678146] [2024-11-10 01:00:27,000 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 01:00:27,000 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-11-10 01:00:27,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 01:00:27,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-11-10 01:00:27,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=706, Unknown=0, NotChecked=0, Total=870 [2024-11-10 01:00:27,001 INFO L87 Difference]: Start difference. First operand 48540 states and 64822 transitions. Second operand has 30 states, 30 states have (on average 9.5) internal successors, (285), 30 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 01:00:28,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 01:00:28,688 INFO L93 Difference]: Finished difference Result 96309 states and 126296 transitions. [2024-11-10 01:00:28,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-10 01:00:28,689 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 9.5) internal successors, (285), 30 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2024-11-10 01:00:28,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 01:00:28,766 INFO L225 Difference]: With dead ends: 96309 [2024-11-10 01:00:28,766 INFO L226 Difference]: Without dead ends: 50094 [2024-11-10 01:00:28,804 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 433 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=468, Invalid=1512, Unknown=0, NotChecked=0, Total=1980 [2024-11-10 01:00:28,805 INFO L432 NwaCegarLoop]: 2225 mSDtfsCounter, 22041 mSDsluCounter, 13487 mSDsCounter, 0 mSdLazyCounter, 603 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22041 SdHoareTripleChecker+Valid, 15712 SdHoareTripleChecker+Invalid, 628 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 603 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 01:00:28,805 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22041 Valid, 15712 Invalid, 628 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 603 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 01:00:28,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50094 states.