./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Vending.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Vending.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 64bit --witnessprinter.graph.data.programhash 6b894aafaf217d6baa0c5f761ec3f51539bf2a720cb529b8ece9095e2a660f16 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 06:12:14,034 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 06:12:14,092 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-11 06:12:14,098 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 06:12:14,098 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 06:12:14,130 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 06:12:14,131 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 06:12:14,131 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 06:12:14,131 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 06:12:14,131 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 06:12:14,132 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 06:12:14,132 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 06:12:14,135 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 06:12:14,136 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 06:12:14,136 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 06:12:14,137 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 06:12:14,137 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 06:12:14,137 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 06:12:14,137 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 06:12:14,137 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 06:12:14,138 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 06:12:14,142 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 06:12:14,142 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 06:12:14,142 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 06:12:14,142 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 06:12:14,143 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 06:12:14,143 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 06:12:14,143 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 06:12:14,143 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 06:12:14,143 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 06:12:14,144 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 06:12:14,144 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 06:12:14,144 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 06:12:14,144 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 06:12:14,144 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 06:12:14,144 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 06:12:14,144 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 06:12:14,145 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 06:12:14,145 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 06:12:14,145 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b894aafaf217d6baa0c5f761ec3f51539bf2a720cb529b8ece9095e2a660f16 [2024-10-11 06:12:14,374 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 06:12:14,397 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 06:12:14,400 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 06:12:14,401 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 06:12:14,401 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 06:12:14,403 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Vending.c [2024-10-11 06:12:15,709 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 06:12:15,945 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 06:12:15,946 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Vending.c [2024-10-11 06:12:15,960 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/339385420/476e7fc4f160452c97889fd93a3f9d08/FLAG185c03417 [2024-10-11 06:12:15,975 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/339385420/476e7fc4f160452c97889fd93a3f9d08 [2024-10-11 06:12:15,978 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 06:12:15,979 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 06:12:15,980 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 06:12:15,980 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 06:12:15,985 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 06:12:15,985 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 06:12:15" (1/1) ... [2024-10-11 06:12:15,987 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28d1a9c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:12:15, skipping insertion in model container [2024-10-11 06:12:15,988 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 06:12:15" (1/1) ... [2024-10-11 06:12:16,032 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 06:12:16,207 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Vending.c[1249,1262] [2024-10-11 06:12:16,530 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 06:12:16,541 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 06:12:16,551 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Vending.c[1249,1262] [2024-10-11 06:12:16,643 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 06:12:16,658 INFO L204 MainTranslator]: Completed translation [2024-10-11 06:12:16,658 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:12:16 WrapperNode [2024-10-11 06:12:16,658 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 06:12:16,659 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 06:12:16,659 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 06:12:16,659 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 06:12:16,665 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:12:16" (1/1) ... [2024-10-11 06:12:16,702 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:12:16" (1/1) ... [2024-10-11 06:12:16,851 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2218 [2024-10-11 06:12:16,852 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 06:12:16,852 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 06:12:16,852 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 06:12:16,853 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 06:12:16,862 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:12:16" (1/1) ... [2024-10-11 06:12:16,863 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:12:16" (1/1) ... [2024-10-11 06:12:16,898 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:12:16" (1/1) ... [2024-10-11 06:12:17,044 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]. [2024-10-11 06:12:17,045 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:12:16" (1/1) ... [2024-10-11 06:12:17,045 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:12:16" (1/1) ... [2024-10-11 06:12:17,091 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:12:16" (1/1) ... [2024-10-11 06:12:17,098 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:12:16" (1/1) ... [2024-10-11 06:12:17,120 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:12:16" (1/1) ... [2024-10-11 06:12:17,133 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:12:16" (1/1) ... [2024-10-11 06:12:17,157 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 06:12:17,158 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 06:12:17,158 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 06:12:17,158 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 06:12:17,159 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:12:16" (1/1) ... [2024-10-11 06:12:17,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 06:12:17,175 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 06:12:17,193 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 06:12:17,196 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 06:12:17,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 06:12:17,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 06:12:17,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 06:12:17,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 06:12:17,559 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 06:12:17,561 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 06:12:19,096 INFO L? ?]: Removed 1503 outVars from TransFormulas that were not future-live. [2024-10-11 06:12:19,097 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 06:12:19,162 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 06:12:19,164 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 06:12:19,165 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 06:12:19 BoogieIcfgContainer [2024-10-11 06:12:19,166 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 06:12:19,168 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 06:12:19,168 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 06:12:19,172 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 06:12:19,172 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 06:12:15" (1/3) ... [2024-10-11 06:12:19,173 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25728b27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 06:12:19, skipping insertion in model container [2024-10-11 06:12:19,173 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:12:16" (2/3) ... [2024-10-11 06:12:19,173 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25728b27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 06:12:19, skipping insertion in model container [2024-10-11 06:12:19,174 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 06:12:19" (3/3) ... [2024-10-11 06:12:19,175 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.h_Vending.c [2024-10-11 06:12:19,191 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 06:12:19,192 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 06:12:19,263 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 06:12:19,269 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;@666cc2ea, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 06:12:19,270 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 06:12:19,277 INFO L276 IsEmpty]: Start isEmpty. Operand has 323 states, 321 states have (on average 1.5015576323987538) internal successors, (482), 322 states have internal predecessors, (482), 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) [2024-10-11 06:12:19,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-10-11 06:12:19,291 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 06:12:19,292 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 06:12:19,292 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 06:12:19,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 06:12:19,299 INFO L85 PathProgramCache]: Analyzing trace with hash -410351444, now seen corresponding path program 1 times [2024-10-11 06:12:19,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 06:12:19,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842585528] [2024-10-11 06:12:19,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 06:12:19,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 06:12:19,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 06:12:20,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 06:12:20,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 06:12:20,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842585528] [2024-10-11 06:12:20,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842585528] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 06:12:20,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 06:12:20,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 06:12:20,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155865226] [2024-10-11 06:12:20,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 06:12:20,373 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 06:12:20,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 06:12:20,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 06:12:20,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 06:12:20,399 INFO L87 Difference]: Start difference. First operand has 323 states, 321 states have (on average 1.5015576323987538) internal successors, (482), 322 states have internal predecessors, (482), 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 4 states, 4 states have (on average 24.5) internal successors, (98), 4 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) [2024-10-11 06:12:20,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 06:12:20,491 INFO L93 Difference]: Finished difference Result 614 states and 918 transitions. [2024-10-11 06:12:20,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 06:12:20,497 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 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 [2024-10-11 06:12:20,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 06:12:20,506 INFO L225 Difference]: With dead ends: 614 [2024-10-11 06:12:20,508 INFO L226 Difference]: Without dead ends: 324 [2024-10-11 06:12:20,512 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 06:12:20,517 INFO L432 NwaCegarLoop]: 477 mSDtfsCounter, 0 mSDsluCounter, 949 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1426 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 06:12:20,518 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1426 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 06:12:20,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2024-10-11 06:12:20,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 324. [2024-10-11 06:12:20,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 323 states have (on average 1.4922600619195046) internal successors, (482), 323 states have internal predecessors, (482), 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) [2024-10-11 06:12:20,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 482 transitions. [2024-10-11 06:12:20,579 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 482 transitions. Word has length 98 [2024-10-11 06:12:20,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 06:12:20,580 INFO L471 AbstractCegarLoop]: Abstraction has 324 states and 482 transitions. [2024-10-11 06:12:20,580 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 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) [2024-10-11 06:12:20,580 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 482 transitions. [2024-10-11 06:12:20,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-10-11 06:12:20,585 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 06:12:20,585 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 06:12:20,585 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 06:12:20,586 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 06:12:20,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 06:12:20,587 INFO L85 PathProgramCache]: Analyzing trace with hash 165702888, now seen corresponding path program 1 times [2024-10-11 06:12:20,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 06:12:20,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304305029] [2024-10-11 06:12:20,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 06:12:20,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 06:12:20,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 06:12:21,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 06:12:21,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 06:12:21,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304305029] [2024-10-11 06:12:21,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [304305029] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 06:12:21,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 06:12:21,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 06:12:21,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310612786] [2024-10-11 06:12:21,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 06:12:21,048 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 06:12:21,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 06:12:21,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 06:12:21,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 06:12:21,050 INFO L87 Difference]: Start difference. First operand 324 states and 482 transitions. Second operand has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 states have internal predecessors, (99), 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) [2024-10-11 06:12:21,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 06:12:21,093 INFO L93 Difference]: Finished difference Result 617 states and 918 transitions. [2024-10-11 06:12:21,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 06:12:21,094 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 states have internal predecessors, (99), 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 99 [2024-10-11 06:12:21,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 06:12:21,096 INFO L225 Difference]: With dead ends: 617 [2024-10-11 06:12:21,096 INFO L226 Difference]: Without dead ends: 326 [2024-10-11 06:12:21,097 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 06:12:21,098 INFO L432 NwaCegarLoop]: 477 mSDtfsCounter, 0 mSDsluCounter, 946 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1423 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 06:12:21,098 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1423 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 06:12:21,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2024-10-11 06:12:21,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 326. [2024-10-11 06:12:21,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326 states, 325 states have (on average 1.4892307692307691) internal successors, (484), 325 states have internal predecessors, (484), 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) [2024-10-11 06:12:21,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 484 transitions. [2024-10-11 06:12:21,121 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 484 transitions. Word has length 99 [2024-10-11 06:12:21,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 06:12:21,122 INFO L471 AbstractCegarLoop]: Abstraction has 326 states and 484 transitions. [2024-10-11 06:12:21,122 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 states have internal predecessors, (99), 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) [2024-10-11 06:12:21,122 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 484 transitions. [2024-10-11 06:12:21,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-10-11 06:12:21,128 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 06:12:21,128 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 06:12:21,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 06:12:21,129 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 06:12:21,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 06:12:21,130 INFO L85 PathProgramCache]: Analyzing trace with hash -256143099, now seen corresponding path program 1 times [2024-10-11 06:12:21,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 06:12:21,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855856487] [2024-10-11 06:12:21,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 06:12:21,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 06:12:21,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 06:12:22,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 06:12:22,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 06:12:22,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855856487] [2024-10-11 06:12:22,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855856487] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 06:12:22,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 06:12:22,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 06:12:22,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612830054] [2024-10-11 06:12:22,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 06:12:22,189 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 06:12:22,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 06:12:22,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 06:12:22,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-11 06:12:22,190 INFO L87 Difference]: Start difference. First operand 326 states and 484 transitions. Second operand has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 6 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) [2024-10-11 06:12:22,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 06:12:22,603 INFO L93 Difference]: Finished difference Result 911 states and 1353 transitions. [2024-10-11 06:12:22,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 06:12:22,604 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 6 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 [2024-10-11 06:12:22,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 06:12:22,608 INFO L225 Difference]: With dead ends: 911 [2024-10-11 06:12:22,608 INFO L226 Difference]: Without dead ends: 618 [2024-10-11 06:12:22,611 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-10-11 06:12:22,612 INFO L432 NwaCegarLoop]: 449 mSDtfsCounter, 1274 mSDsluCounter, 1789 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1274 SdHoareTripleChecker+Valid, 2238 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 06:12:22,614 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1274 Valid, 2238 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 06:12:22,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 618 states. [2024-10-11 06:12:22,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 618 to 443. [2024-10-11 06:12:22,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 443 states, 442 states have (on average 1.48868778280543) internal successors, (658), 442 states have internal predecessors, (658), 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) [2024-10-11 06:12:22,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 658 transitions. [2024-10-11 06:12:22,632 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 658 transitions. Word has length 100 [2024-10-11 06:12:22,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 06:12:22,632 INFO L471 AbstractCegarLoop]: Abstraction has 443 states and 658 transitions. [2024-10-11 06:12:22,633 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 6 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) [2024-10-11 06:12:22,633 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 658 transitions. [2024-10-11 06:12:22,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-10-11 06:12:22,634 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 06:12:22,634 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 06:12:22,635 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 06:12:22,635 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 06:12:22,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 06:12:22,635 INFO L85 PathProgramCache]: Analyzing trace with hash -1471024192, now seen corresponding path program 1 times [2024-10-11 06:12:22,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 06:12:22,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882442166] [2024-10-11 06:12:22,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 06:12:22,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 06:12:22,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 06:12:23,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 06:12:23,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 06:12:23,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882442166] [2024-10-11 06:12:23,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882442166] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 06:12:23,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 06:12:23,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 06:12:23,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401003812] [2024-10-11 06:12:23,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 06:12:23,098 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 06:12:23,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 06:12:23,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 06:12:23,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 06:12:23,100 INFO L87 Difference]: Start difference. First operand 443 states and 658 transitions. Second operand has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 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) [2024-10-11 06:12:23,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 06:12:23,152 INFO L93 Difference]: Finished difference Result 740 states and 1099 transitions. [2024-10-11 06:12:23,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 06:12:23,153 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 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 101 [2024-10-11 06:12:23,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 06:12:23,156 INFO L225 Difference]: With dead ends: 740 [2024-10-11 06:12:23,156 INFO L226 Difference]: Without dead ends: 447 [2024-10-11 06:12:23,157 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-11 06:12:23,158 INFO L432 NwaCegarLoop]: 473 mSDtfsCounter, 393 mSDsluCounter, 940 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 393 SdHoareTripleChecker+Valid, 1413 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 06:12:23,158 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [393 Valid, 1413 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 06:12:23,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2024-10-11 06:12:23,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 446. [2024-10-11 06:12:23,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 446 states, 445 states have (on average 1.4853932584269662) internal successors, (661), 445 states have internal predecessors, (661), 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) [2024-10-11 06:12:23,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 661 transitions. [2024-10-11 06:12:23,165 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 661 transitions. Word has length 101 [2024-10-11 06:12:23,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 06:12:23,166 INFO L471 AbstractCegarLoop]: Abstraction has 446 states and 661 transitions. [2024-10-11 06:12:23,166 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 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) [2024-10-11 06:12:23,166 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 661 transitions. [2024-10-11 06:12:23,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-10-11 06:12:23,167 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 06:12:23,167 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 06:12:23,167 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 06:12:23,168 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 06:12:23,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 06:12:23,168 INFO L85 PathProgramCache]: Analyzing trace with hash -1087531280, now seen corresponding path program 1 times [2024-10-11 06:12:23,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 06:12:23,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520964274] [2024-10-11 06:12:23,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 06:12:23,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 06:12:23,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 06:12:23,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 06:12:23,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 06:12:23,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520964274] [2024-10-11 06:12:23,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520964274] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 06:12:23,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 06:12:23,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 06:12:23,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490835875] [2024-10-11 06:12:23,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 06:12:23,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 06:12:23,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 06:12:23,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 06:12:23,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 06:12:23,835 INFO L87 Difference]: Start difference. First operand 446 states and 661 transitions. Second operand has 5 states, 5 states have (on average 20.4) internal successors, (102), 5 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) [2024-10-11 06:12:23,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 06:12:23,884 INFO L93 Difference]: Finished difference Result 745 states and 1104 transitions. [2024-10-11 06:12:23,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 06:12:23,885 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 5 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 [2024-10-11 06:12:23,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 06:12:23,887 INFO L225 Difference]: With dead ends: 745 [2024-10-11 06:12:23,889 INFO L226 Difference]: Without dead ends: 449 [2024-10-11 06:12:23,890 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 06:12:23,890 INFO L432 NwaCegarLoop]: 476 mSDtfsCounter, 17 mSDsluCounter, 1394 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 1870 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 06:12:23,893 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 1870 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 06:12:23,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2024-10-11 06:12:23,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 449. [2024-10-11 06:12:23,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 449 states, 448 states have (on average 1.4821428571428572) internal successors, (664), 448 states have internal predecessors, (664), 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) [2024-10-11 06:12:23,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 664 transitions. [2024-10-11 06:12:23,905 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 664 transitions. Word has length 102 [2024-10-11 06:12:23,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 06:12:23,906 INFO L471 AbstractCegarLoop]: Abstraction has 449 states and 664 transitions. [2024-10-11 06:12:23,906 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 5 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) [2024-10-11 06:12:23,906 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 664 transitions. [2024-10-11 06:12:23,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-10-11 06:12:23,907 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 06:12:23,908 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 06:12:23,908 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 06:12:23,909 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 06:12:23,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 06:12:23,910 INFO L85 PathProgramCache]: Analyzing trace with hash -729417323, now seen corresponding path program 1 times [2024-10-11 06:12:23,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 06:12:23,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212398348] [2024-10-11 06:12:23,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 06:12:23,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 06:12:24,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 06:12:25,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 06:12:25,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 06:12:25,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212398348] [2024-10-11 06:12:25,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212398348] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 06:12:25,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 06:12:25,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-11 06:12:25,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135587706] [2024-10-11 06:12:25,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 06:12:25,439 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 06:12:25,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 06:12:25,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 06:12:25,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-10-11 06:12:25,439 INFO L87 Difference]: Start difference. First operand 449 states and 664 transitions. Second operand has 10 states, 10 states have (on average 10.3) internal successors, (103), 9 states have internal predecessors, (103), 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) [2024-10-11 06:12:25,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 06:12:25,691 INFO L93 Difference]: Finished difference Result 825 states and 1219 transitions. [2024-10-11 06:12:25,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 06:12:25,692 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.3) internal successors, (103), 9 states have internal predecessors, (103), 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 103 [2024-10-11 06:12:25,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 06:12:25,694 INFO L225 Difference]: With dead ends: 825 [2024-10-11 06:12:25,694 INFO L226 Difference]: Without dead ends: 481 [2024-10-11 06:12:25,695 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2024-10-11 06:12:25,695 INFO L432 NwaCegarLoop]: 451 mSDtfsCounter, 465 mSDsluCounter, 3146 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 465 SdHoareTripleChecker+Valid, 3597 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 06:12:25,695 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [465 Valid, 3597 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 242 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 06:12:25,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2024-10-11 06:12:25,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 471. [2024-10-11 06:12:25,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 471 states, 470 states have (on average 1.476595744680851) internal successors, (694), 470 states have internal predecessors, (694), 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) [2024-10-11 06:12:25,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 694 transitions. [2024-10-11 06:12:25,704 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 694 transitions. Word has length 103 [2024-10-11 06:12:25,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 06:12:25,704 INFO L471 AbstractCegarLoop]: Abstraction has 471 states and 694 transitions. [2024-10-11 06:12:25,707 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.3) internal successors, (103), 9 states have internal predecessors, (103), 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) [2024-10-11 06:12:25,707 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 694 transitions. [2024-10-11 06:12:25,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-10-11 06:12:25,708 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 06:12:25,708 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 06:12:25,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 06:12:25,709 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 06:12:25,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 06:12:25,709 INFO L85 PathProgramCache]: Analyzing trace with hash 213435981, now seen corresponding path program 1 times [2024-10-11 06:12:25,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 06:12:25,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469573098] [2024-10-11 06:12:25,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 06:12:25,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 06:12:25,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 06:12:26,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 06:12:26,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 06:12:26,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469573098] [2024-10-11 06:12:26,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1469573098] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 06:12:26,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 06:12:26,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-11 06:12:26,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907741645] [2024-10-11 06:12:26,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 06:12:26,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 06:12:26,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 06:12:26,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 06:12:26,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-10-11 06:12:26,761 INFO L87 Difference]: Start difference. First operand 471 states and 694 transitions. Second operand has 11 states, 11 states have (on average 9.454545454545455) internal successors, (104), 10 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) [2024-10-11 06:12:27,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 06:12:27,043 INFO L93 Difference]: Finished difference Result 1120 states and 1645 transitions. [2024-10-11 06:12:27,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 06:12:27,043 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.454545454545455) internal successors, (104), 10 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 [2024-10-11 06:12:27,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 06:12:27,046 INFO L225 Difference]: With dead ends: 1120 [2024-10-11 06:12:27,046 INFO L226 Difference]: Without dead ends: 781 [2024-10-11 06:12:27,047 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2024-10-11 06:12:27,047 INFO L432 NwaCegarLoop]: 456 mSDtfsCounter, 1027 mSDsluCounter, 3628 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1027 SdHoareTripleChecker+Valid, 4084 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 06:12:27,048 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1027 Valid, 4084 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 06:12:27,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 781 states. [2024-10-11 06:12:27,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 781 to 549. [2024-10-11 06:12:27,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 549 states, 548 states have (on average 1.4744525547445255) internal successors, (808), 548 states have internal predecessors, (808), 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) [2024-10-11 06:12:27,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 549 states and 808 transitions. [2024-10-11 06:12:27,057 INFO L78 Accepts]: Start accepts. Automaton has 549 states and 808 transitions. Word has length 104 [2024-10-11 06:12:27,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 06:12:27,057 INFO L471 AbstractCegarLoop]: Abstraction has 549 states and 808 transitions. [2024-10-11 06:12:27,058 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.454545454545455) internal successors, (104), 10 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) [2024-10-11 06:12:27,058 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 808 transitions. [2024-10-11 06:12:27,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-10-11 06:12:27,059 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 06:12:27,059 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 06:12:27,059 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 06:12:27,059 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 06:12:27,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 06:12:27,059 INFO L85 PathProgramCache]: Analyzing trace with hash -1680796993, now seen corresponding path program 1 times [2024-10-11 06:12:27,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 06:12:27,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592327036] [2024-10-11 06:12:27,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 06:12:27,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 06:12:27,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 06:12:27,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 06:12:27,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 06:12:27,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592327036] [2024-10-11 06:12:27,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592327036] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 06:12:27,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 06:12:27,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 06:12:27,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892505600] [2024-10-11 06:12:27,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 06:12:27,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 06:12:27,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 06:12:27,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 06:12:27,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 06:12:27,663 INFO L87 Difference]: Start difference. First operand 549 states and 808 transitions. Second operand has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 7 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) [2024-10-11 06:12:27,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 06:12:27,761 INFO L93 Difference]: Finished difference Result 985 states and 1451 transitions. [2024-10-11 06:12:27,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 06:12:27,762 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 7 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 [2024-10-11 06:12:27,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 06:12:27,765 INFO L225 Difference]: With dead ends: 985 [2024-10-11 06:12:27,765 INFO L226 Difference]: Without dead ends: 579 [2024-10-11 06:12:27,766 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 06:12:27,766 INFO L432 NwaCegarLoop]: 477 mSDtfsCounter, 5 mSDsluCounter, 2357 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 2834 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 06:12:27,766 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 2834 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 06:12:27,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 579 states. [2024-10-11 06:12:27,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 579 to 549. [2024-10-11 06:12:27,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 549 states, 548 states have (on average 1.4744525547445255) internal successors, (808), 548 states have internal predecessors, (808), 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) [2024-10-11 06:12:27,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 549 states and 808 transitions. [2024-10-11 06:12:27,775 INFO L78 Accepts]: Start accepts. Automaton has 549 states and 808 transitions. Word has length 104 [2024-10-11 06:12:27,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 06:12:27,775 INFO L471 AbstractCegarLoop]: Abstraction has 549 states and 808 transitions. [2024-10-11 06:12:27,775 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 7 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) [2024-10-11 06:12:27,776 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 808 transitions. [2024-10-11 06:12:27,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-10-11 06:12:27,776 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 06:12:27,776 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 06:12:27,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-11 06:12:27,777 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 06:12:27,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 06:12:27,777 INFO L85 PathProgramCache]: Analyzing trace with hash 338286129, now seen corresponding path program 1 times [2024-10-11 06:12:27,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 06:12:27,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957418157] [2024-10-11 06:12:27,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 06:12:27,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 06:12:27,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 06:12:28,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 06:12:28,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 06:12:28,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957418157] [2024-10-11 06:12:28,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957418157] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 06:12:28,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 06:12:28,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 06:12:28,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861806538] [2024-10-11 06:12:28,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 06:12:28,136 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 06:12:28,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 06:12:28,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 06:12:28,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 06:12:28,137 INFO L87 Difference]: Start difference. First operand 549 states and 808 transitions. Second operand has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 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) [2024-10-11 06:12:28,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 06:12:28,315 INFO L93 Difference]: Finished difference Result 969 states and 1424 transitions. [2024-10-11 06:12:28,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 06:12:28,316 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 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 [2024-10-11 06:12:28,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 06:12:28,318 INFO L225 Difference]: With dead ends: 969 [2024-10-11 06:12:28,318 INFO L226 Difference]: Without dead ends: 549 [2024-10-11 06:12:28,319 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 06:12:28,319 INFO L432 NwaCegarLoop]: 398 mSDtfsCounter, 438 mSDsluCounter, 790 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 438 SdHoareTripleChecker+Valid, 1188 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 06:12:28,323 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [438 Valid, 1188 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 06:12:28,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2024-10-11 06:12:28,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 549. [2024-10-11 06:12:28,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 549 states, 548 states have (on average 1.4708029197080292) internal successors, (806), 548 states have internal predecessors, (806), 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) [2024-10-11 06:12:28,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 549 states and 806 transitions. [2024-10-11 06:12:28,333 INFO L78 Accepts]: Start accepts. Automaton has 549 states and 806 transitions. Word has length 104 [2024-10-11 06:12:28,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 06:12:28,334 INFO L471 AbstractCegarLoop]: Abstraction has 549 states and 806 transitions. [2024-10-11 06:12:28,334 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 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) [2024-10-11 06:12:28,334 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 806 transitions. [2024-10-11 06:12:28,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-10-11 06:12:28,335 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 06:12:28,335 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 06:12:28,335 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-11 06:12:28,335 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 06:12:28,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 06:12:28,336 INFO L85 PathProgramCache]: Analyzing trace with hash 615306488, now seen corresponding path program 1 times [2024-10-11 06:12:28,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 06:12:28,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121123170] [2024-10-11 06:12:28,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 06:12:28,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 06:12:28,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 06:12:29,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 06:12:29,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 06:12:29,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121123170] [2024-10-11 06:12:29,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [121123170] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 06:12:29,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 06:12:29,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-11 06:12:29,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567895309] [2024-10-11 06:12:29,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 06:12:29,670 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 06:12:29,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 06:12:29,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 06:12:29,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-10-11 06:12:29,670 INFO L87 Difference]: Start difference. First operand 549 states and 806 transitions. Second operand has 9 states, 9 states have (on average 11.666666666666666) internal successors, (105), 8 states have internal predecessors, (105), 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) [2024-10-11 06:12:29,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 06:12:29,939 INFO L93 Difference]: Finished difference Result 1136 states and 1656 transitions. [2024-10-11 06:12:29,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 06:12:29,939 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.666666666666666) internal successors, (105), 8 states have internal predecessors, (105), 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 105 [2024-10-11 06:12:29,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 06:12:29,942 INFO L225 Difference]: With dead ends: 1136 [2024-10-11 06:12:29,942 INFO L226 Difference]: Without dead ends: 752 [2024-10-11 06:12:29,943 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2024-10-11 06:12:29,944 INFO L432 NwaCegarLoop]: 589 mSDtfsCounter, 1157 mSDsluCounter, 3272 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1157 SdHoareTripleChecker+Valid, 3861 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 06:12:29,945 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1157 Valid, 3861 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 06:12:29,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 752 states. [2024-10-11 06:12:29,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 752 to 557. [2024-10-11 06:12:29,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 557 states, 556 states have (on average 1.4676258992805755) internal successors, (816), 556 states have internal predecessors, (816), 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) [2024-10-11 06:12:29,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 557 states and 816 transitions. [2024-10-11 06:12:29,954 INFO L78 Accepts]: Start accepts. Automaton has 557 states and 816 transitions. Word has length 105 [2024-10-11 06:12:29,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 06:12:29,955 INFO L471 AbstractCegarLoop]: Abstraction has 557 states and 816 transitions. [2024-10-11 06:12:29,955 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.666666666666666) internal successors, (105), 8 states have internal predecessors, (105), 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) [2024-10-11 06:12:29,955 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 816 transitions. [2024-10-11 06:12:29,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-10-11 06:12:29,956 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 06:12:29,956 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 06:12:29,956 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-11 06:12:29,956 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 06:12:29,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 06:12:29,957 INFO L85 PathProgramCache]: Analyzing trace with hash 70930936, now seen corresponding path program 1 times [2024-10-11 06:12:29,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 06:12:29,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374120683] [2024-10-11 06:12:29,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 06:12:29,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 06:12:30,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 06:12:30,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 06:12:30,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 06:12:30,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374120683] [2024-10-11 06:12:30,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374120683] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 06:12:30,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 06:12:30,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-11 06:12:30,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133592947] [2024-10-11 06:12:30,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 06:12:30,635 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 06:12:30,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 06:12:30,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 06:12:30,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-11 06:12:30,636 INFO L87 Difference]: Start difference. First operand 557 states and 816 transitions. Second operand has 8 states, 8 states have (on average 13.125) internal successors, (105), 8 states have internal predecessors, (105), 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) [2024-10-11 06:12:30,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 06:12:30,725 INFO L93 Difference]: Finished difference Result 959 states and 1406 transitions. [2024-10-11 06:12:30,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 06:12:30,726 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.125) internal successors, (105), 8 states have internal predecessors, (105), 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 105 [2024-10-11 06:12:30,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 06:12:30,728 INFO L225 Difference]: With dead ends: 959 [2024-10-11 06:12:30,728 INFO L226 Difference]: Without dead ends: 581 [2024-10-11 06:12:30,729 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-11 06:12:30,729 INFO L432 NwaCegarLoop]: 465 mSDtfsCounter, 9 mSDsluCounter, 2780 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 3245 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 06:12:30,730 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 3245 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 06:12:30,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 581 states. [2024-10-11 06:12:30,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 581 to 533. [2024-10-11 06:12:30,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 533 states, 532 states have (on average 1.4699248120300752) internal successors, (782), 532 states have internal predecessors, (782), 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) [2024-10-11 06:12:30,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 782 transitions. [2024-10-11 06:12:30,739 INFO L78 Accepts]: Start accepts. Automaton has 533 states and 782 transitions. Word has length 105 [2024-10-11 06:12:30,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 06:12:30,739 INFO L471 AbstractCegarLoop]: Abstraction has 533 states and 782 transitions. [2024-10-11 06:12:30,739 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.125) internal successors, (105), 8 states have internal predecessors, (105), 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) [2024-10-11 06:12:30,740 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 782 transitions. [2024-10-11 06:12:30,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-10-11 06:12:30,740 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 06:12:30,740 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 06:12:30,741 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-11 06:12:30,741 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 06:12:30,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 06:12:30,741 INFO L85 PathProgramCache]: Analyzing trace with hash 195781084, now seen corresponding path program 1 times [2024-10-11 06:12:30,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 06:12:30,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30014271] [2024-10-11 06:12:30,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 06:12:30,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 06:12:30,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 06:12:31,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 06:12:31,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 06:12:31,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30014271] [2024-10-11 06:12:31,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30014271] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 06:12:31,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 06:12:31,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 06:12:31,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212273661] [2024-10-11 06:12:31,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 06:12:31,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 06:12:31,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 06:12:31,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 06:12:31,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-11 06:12:31,253 INFO L87 Difference]: Start difference. First operand 533 states and 782 transitions. Second operand has 6 states, 6 states have (on average 17.5) internal successors, (105), 5 states have internal predecessors, (105), 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) [2024-10-11 06:12:31,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 06:12:31,679 INFO L93 Difference]: Finished difference Result 1159 states and 1698 transitions. [2024-10-11 06:12:31,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 06:12:31,681 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.5) internal successors, (105), 5 states have internal predecessors, (105), 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 105 [2024-10-11 06:12:31,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 06:12:31,683 INFO L225 Difference]: With dead ends: 1159 [2024-10-11 06:12:31,683 INFO L226 Difference]: Without dead ends: 837 [2024-10-11 06:12:31,684 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-10-11 06:12:31,685 INFO L432 NwaCegarLoop]: 542 mSDtfsCounter, 752 mSDsluCounter, 1444 mSDsCounter, 0 mSdLazyCounter, 588 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 752 SdHoareTripleChecker+Valid, 1986 SdHoareTripleChecker+Invalid, 588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 588 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 06:12:31,685 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [752 Valid, 1986 Invalid, 588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 588 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 06:12:31,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 837 states. [2024-10-11 06:12:31,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 837 to 708. [2024-10-11 06:12:31,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 708 states, 707 states have (on average 1.4681753889674682) internal successors, (1038), 707 states have internal predecessors, (1038), 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) [2024-10-11 06:12:31,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 708 states and 1038 transitions. [2024-10-11 06:12:31,698 INFO L78 Accepts]: Start accepts. Automaton has 708 states and 1038 transitions. Word has length 105 [2024-10-11 06:12:31,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 06:12:31,699 INFO L471 AbstractCegarLoop]: Abstraction has 708 states and 1038 transitions. [2024-10-11 06:12:31,699 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.5) internal successors, (105), 5 states have internal predecessors, (105), 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) [2024-10-11 06:12:31,699 INFO L276 IsEmpty]: Start isEmpty. Operand 708 states and 1038 transitions. [2024-10-11 06:12:31,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-10-11 06:12:31,700 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 06:12:31,700 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 06:12:31,700 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-11 06:12:31,701 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 06:12:31,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 06:12:31,701 INFO L85 PathProgramCache]: Analyzing trace with hash -999751208, now seen corresponding path program 1 times [2024-10-11 06:12:31,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 06:12:31,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840045689] [2024-10-11 06:12:31,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 06:12:31,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 06:12:31,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 06:12:32,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 06:12:32,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 06:12:32,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840045689] [2024-10-11 06:12:32,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840045689] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 06:12:32,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 06:12:32,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 06:12:32,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074835447] [2024-10-11 06:12:32,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 06:12:32,069 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 06:12:32,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 06:12:32,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 06:12:32,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 06:12:32,070 INFO L87 Difference]: Start difference. First operand 708 states and 1038 transitions. Second operand has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 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) [2024-10-11 06:12:32,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 06:12:32,117 INFO L93 Difference]: Finished difference Result 1240 states and 1819 transitions. [2024-10-11 06:12:32,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 06:12:32,117 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 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 [2024-10-11 06:12:32,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 06:12:32,120 INFO L225 Difference]: With dead ends: 1240 [2024-10-11 06:12:32,120 INFO L226 Difference]: Without dead ends: 736 [2024-10-11 06:12:32,122 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 06:12:32,122 INFO L432 NwaCegarLoop]: 469 mSDtfsCounter, 3 mSDsluCounter, 1403 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1872 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 06:12:32,122 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1872 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 06:12:32,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 736 states. [2024-10-11 06:12:32,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 736 to 724. [2024-10-11 06:12:32,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 724 states, 723 states have (on average 1.4550484094052558) internal successors, (1052), 723 states have internal predecessors, (1052), 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) [2024-10-11 06:12:32,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 724 states and 1052 transitions. [2024-10-11 06:12:32,136 INFO L78 Accepts]: Start accepts. Automaton has 724 states and 1052 transitions. Word has length 106 [2024-10-11 06:12:32,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 06:12:32,137 INFO L471 AbstractCegarLoop]: Abstraction has 724 states and 1052 transitions. [2024-10-11 06:12:32,137 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 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) [2024-10-11 06:12:32,137 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 1052 transitions. [2024-10-11 06:12:32,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-10-11 06:12:32,138 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 06:12:32,138 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 06:12:32,138 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-11 06:12:32,138 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 06:12:32,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 06:12:32,139 INFO L85 PathProgramCache]: Analyzing trace with hash 15313040, now seen corresponding path program 1 times [2024-10-11 06:12:32,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 06:12:32,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621778474] [2024-10-11 06:12:32,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 06:12:32,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 06:12:32,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 06:12:33,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 06:12:33,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 06:12:33,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621778474] [2024-10-11 06:12:33,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621778474] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 06:12:33,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 06:12:33,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-11 06:12:33,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152275549] [2024-10-11 06:12:33,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 06:12:33,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 06:12:33,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 06:12:33,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 06:12:33,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-10-11 06:12:33,127 INFO L87 Difference]: Start difference. First operand 724 states and 1052 transitions. Second operand has 11 states, 11 states have (on average 9.636363636363637) internal successors, (106), 10 states have internal predecessors, (106), 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) [2024-10-11 06:12:33,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 06:12:33,379 INFO L93 Difference]: Finished difference Result 1494 states and 2164 transitions. [2024-10-11 06:12:33,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 06:12:33,380 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.636363636363637) internal successors, (106), 10 states have internal predecessors, (106), 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 [2024-10-11 06:12:33,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 06:12:33,383 INFO L225 Difference]: With dead ends: 1494 [2024-10-11 06:12:33,383 INFO L226 Difference]: Without dead ends: 1022 [2024-10-11 06:12:33,384 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2024-10-11 06:12:33,385 INFO L432 NwaCegarLoop]: 701 mSDtfsCounter, 767 mSDsluCounter, 5328 mSDsCounter, 0 mSdLazyCounter, 265 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 767 SdHoareTripleChecker+Valid, 6029 SdHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 06:12:33,385 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [767 Valid, 6029 Invalid, 266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 265 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 06:12:33,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1022 states. [2024-10-11 06:12:33,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1022 to 757. [2024-10-11 06:12:33,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 757 states, 756 states have (on average 1.4537037037037037) internal successors, (1099), 756 states have internal predecessors, (1099), 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) [2024-10-11 06:12:33,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 757 states and 1099 transitions. [2024-10-11 06:12:33,397 INFO L78 Accepts]: Start accepts. Automaton has 757 states and 1099 transitions. Word has length 106 [2024-10-11 06:12:33,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 06:12:33,398 INFO L471 AbstractCegarLoop]: Abstraction has 757 states and 1099 transitions. [2024-10-11 06:12:33,398 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.636363636363637) internal successors, (106), 10 states have internal predecessors, (106), 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) [2024-10-11 06:12:33,398 INFO L276 IsEmpty]: Start isEmpty. Operand 757 states and 1099 transitions. [2024-10-11 06:12:33,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-10-11 06:12:33,399 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 06:12:33,399 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 06:12:33,399 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-11 06:12:33,399 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 06:12:33,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 06:12:33,400 INFO L85 PathProgramCache]: Analyzing trace with hash 375827886, now seen corresponding path program 1 times [2024-10-11 06:12:33,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 06:12:33,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792657446] [2024-10-11 06:12:33,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 06:12:33,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 06:12:33,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 06:12:34,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 06:12:34,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 06:12:34,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792657446] [2024-10-11 06:12:34,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792657446] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 06:12:34,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 06:12:34,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 06:12:34,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926603151] [2024-10-11 06:12:34,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 06:12:34,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 06:12:34,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 06:12:34,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 06:12:34,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-11 06:12:34,178 INFO L87 Difference]: Start difference. First operand 757 states and 1099 transitions. Second operand has 6 states, 6 states have (on average 17.666666666666668) internal successors, (106), 5 states have internal predecessors, (106), 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) [2024-10-11 06:12:34,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 06:12:34,828 INFO L93 Difference]: Finished difference Result 1665 states and 2412 transitions. [2024-10-11 06:12:34,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 06:12:34,828 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.666666666666668) internal successors, (106), 5 states have internal predecessors, (106), 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 [2024-10-11 06:12:34,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 06:12:34,832 INFO L225 Difference]: With dead ends: 1665 [2024-10-11 06:12:34,832 INFO L226 Difference]: Without dead ends: 1216 [2024-10-11 06:12:34,833 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-11 06:12:34,833 INFO L432 NwaCegarLoop]: 463 mSDtfsCounter, 716 mSDsluCounter, 1220 mSDsCounter, 0 mSdLazyCounter, 887 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 716 SdHoareTripleChecker+Valid, 1683 SdHoareTripleChecker+Invalid, 887 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 887 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 06:12:34,834 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [716 Valid, 1683 Invalid, 887 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 887 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 06:12:34,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1216 states. [2024-10-11 06:12:34,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1216 to 1079. [2024-10-11 06:12:34,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1079 states, 1078 states have (on average 1.4461966604823748) internal successors, (1559), 1078 states have internal predecessors, (1559), 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) [2024-10-11 06:12:34,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1079 states to 1079 states and 1559 transitions. [2024-10-11 06:12:34,854 INFO L78 Accepts]: Start accepts. Automaton has 1079 states and 1559 transitions. Word has length 106 [2024-10-11 06:12:34,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 06:12:34,855 INFO L471 AbstractCegarLoop]: Abstraction has 1079 states and 1559 transitions. [2024-10-11 06:12:34,855 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.666666666666668) internal successors, (106), 5 states have internal predecessors, (106), 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) [2024-10-11 06:12:34,855 INFO L276 IsEmpty]: Start isEmpty. Operand 1079 states and 1559 transitions. [2024-10-11 06:12:34,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-10-11 06:12:34,856 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 06:12:34,856 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 06:12:34,856 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-11 06:12:34,857 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 06:12:34,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 06:12:34,857 INFO L85 PathProgramCache]: Analyzing trace with hash -334186373, now seen corresponding path program 1 times [2024-10-11 06:12:34,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 06:12:34,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888091375] [2024-10-11 06:12:34,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 06:12:34,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 06:12:34,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 06:12:35,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 06:12:35,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 06:12:35,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888091375] [2024-10-11 06:12:35,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888091375] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 06:12:35,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 06:12:35,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 06:12:35,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773416250] [2024-10-11 06:12:35,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 06:12:35,774 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 06:12:35,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 06:12:35,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 06:12:35,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 06:12:35,775 INFO L87 Difference]: Start difference. First operand 1079 states and 1559 transitions. Second operand has 5 states, 5 states have (on average 21.4) internal successors, (107), 4 states have internal predecessors, (107), 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) [2024-10-11 06:12:35,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 06:12:35,990 INFO L93 Difference]: Finished difference Result 1883 states and 2718 transitions. [2024-10-11 06:12:35,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 06:12:35,991 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.4) internal successors, (107), 4 states have internal predecessors, (107), 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 [2024-10-11 06:12:35,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 06:12:35,995 INFO L225 Difference]: With dead ends: 1883 [2024-10-11 06:12:35,995 INFO L226 Difference]: Without dead ends: 1196 [2024-10-11 06:12:35,996 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 06:12:35,997 INFO L432 NwaCegarLoop]: 454 mSDtfsCounter, 679 mSDsluCounter, 909 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 679 SdHoareTripleChecker+Valid, 1363 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 06:12:35,997 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [679 Valid, 1363 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 06:12:35,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1196 states. [2024-10-11 06:12:36,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1196 to 1079. [2024-10-11 06:12:36,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1079 states, 1078 states have (on average 1.4424860853432282) internal successors, (1555), 1078 states have internal predecessors, (1555), 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) [2024-10-11 06:12:36,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1079 states to 1079 states and 1555 transitions. [2024-10-11 06:12:36,019 INFO L78 Accepts]: Start accepts. Automaton has 1079 states and 1555 transitions. Word has length 107 [2024-10-11 06:12:36,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 06:12:36,019 INFO L471 AbstractCegarLoop]: Abstraction has 1079 states and 1555 transitions. [2024-10-11 06:12:36,019 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.4) internal successors, (107), 4 states have internal predecessors, (107), 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) [2024-10-11 06:12:36,019 INFO L276 IsEmpty]: Start isEmpty. Operand 1079 states and 1555 transitions. [2024-10-11 06:12:36,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-10-11 06:12:36,020 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 06:12:36,020 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 06:12:36,021 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-11 06:12:36,021 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 06:12:36,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 06:12:36,021 INFO L85 PathProgramCache]: Analyzing trace with hash 1983826129, now seen corresponding path program 1 times [2024-10-11 06:12:36,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 06:12:36,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405619635] [2024-10-11 06:12:36,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 06:12:36,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 06:12:36,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 06:12:37,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 06:12:37,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 06:12:37,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405619635] [2024-10-11 06:12:37,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [405619635] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 06:12:37,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 06:12:37,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-11 06:12:37,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035735754] [2024-10-11 06:12:37,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 06:12:37,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 06:12:37,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 06:12:37,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 06:12:37,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2024-10-11 06:12:37,213 INFO L87 Difference]: Start difference. First operand 1079 states and 1555 transitions. Second operand has 12 states, 12 states have (on average 9.0) internal successors, (108), 11 states have internal predecessors, (108), 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) [2024-10-11 06:12:37,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 06:12:37,484 INFO L93 Difference]: Finished difference Result 1991 states and 2862 transitions. [2024-10-11 06:12:37,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 06:12:37,484 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.0) internal successors, (108), 11 states have internal predecessors, (108), 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 [2024-10-11 06:12:37,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 06:12:37,488 INFO L225 Difference]: With dead ends: 1991 [2024-10-11 06:12:37,488 INFO L226 Difference]: Without dead ends: 1326 [2024-10-11 06:12:37,490 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306 [2024-10-11 06:12:37,490 INFO L432 NwaCegarLoop]: 480 mSDtfsCounter, 463 mSDsluCounter, 3830 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 463 SdHoareTripleChecker+Valid, 4310 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 06:12:37,490 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [463 Valid, 4310 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 06:12:37,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1326 states. [2024-10-11 06:12:37,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1326 to 1302. [2024-10-11 06:12:37,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1302 states, 1301 states have (on average 1.4296694850115297) internal successors, (1860), 1301 states have internal predecessors, (1860), 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) [2024-10-11 06:12:37,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1302 states to 1302 states and 1860 transitions. [2024-10-11 06:12:37,513 INFO L78 Accepts]: Start accepts. Automaton has 1302 states and 1860 transitions. Word has length 108 [2024-10-11 06:12:37,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 06:12:37,513 INFO L471 AbstractCegarLoop]: Abstraction has 1302 states and 1860 transitions. [2024-10-11 06:12:37,513 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.0) internal successors, (108), 11 states have internal predecessors, (108), 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) [2024-10-11 06:12:37,513 INFO L276 IsEmpty]: Start isEmpty. Operand 1302 states and 1860 transitions. [2024-10-11 06:12:37,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-10-11 06:12:37,514 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 06:12:37,515 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 06:12:37,515 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-11 06:12:37,515 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 06:12:37,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 06:12:37,515 INFO L85 PathProgramCache]: Analyzing trace with hash -416833103, now seen corresponding path program 1 times [2024-10-11 06:12:37,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 06:12:37,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259383540] [2024-10-11 06:12:37,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 06:12:37,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 06:12:37,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 06:12:37,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 06:12:37,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 06:12:37,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259383540] [2024-10-11 06:12:37,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259383540] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 06:12:37,909 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 06:12:37,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 06:12:37,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967850054] [2024-10-11 06:12:37,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 06:12:37,910 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 06:12:37,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 06:12:37,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 06:12:37,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 06:12:37,911 INFO L87 Difference]: Start difference. First operand 1302 states and 1860 transitions. Second operand has 4 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 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) [2024-10-11 06:12:37,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 06:12:37,947 INFO L93 Difference]: Finished difference Result 2055 states and 2942 transitions. [2024-10-11 06:12:37,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 06:12:37,948 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 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 [2024-10-11 06:12:37,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 06:12:37,952 INFO L225 Difference]: With dead ends: 2055 [2024-10-11 06:12:37,952 INFO L226 Difference]: Without dead ends: 1253 [2024-10-11 06:12:37,954 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 06:12:37,954 INFO L432 NwaCegarLoop]: 476 mSDtfsCounter, 0 mSDsluCounter, 942 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1418 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 06:12:37,954 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1418 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 06:12:37,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1253 states. [2024-10-11 06:12:37,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1253 to 1253. [2024-10-11 06:12:37,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1253 states, 1252 states have (on average 1.4289137380191694) internal successors, (1789), 1252 states have internal predecessors, (1789), 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) [2024-10-11 06:12:37,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1253 states to 1253 states and 1789 transitions. [2024-10-11 06:12:37,978 INFO L78 Accepts]: Start accepts. Automaton has 1253 states and 1789 transitions. Word has length 108 [2024-10-11 06:12:37,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 06:12:37,979 INFO L471 AbstractCegarLoop]: Abstraction has 1253 states and 1789 transitions. [2024-10-11 06:12:37,979 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 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) [2024-10-11 06:12:37,979 INFO L276 IsEmpty]: Start isEmpty. Operand 1253 states and 1789 transitions. [2024-10-11 06:12:37,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-10-11 06:12:37,981 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 06:12:37,981 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 06:12:37,981 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-11 06:12:37,981 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 06:12:37,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 06:12:37,982 INFO L85 PathProgramCache]: Analyzing trace with hash -1678933277, now seen corresponding path program 1 times [2024-10-11 06:12:37,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 06:12:37,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626686013] [2024-10-11 06:12:37,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 06:12:37,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 06:12:38,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 06:12:38,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 06:12:38,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 06:12:38,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626686013] [2024-10-11 06:12:38,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [626686013] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 06:12:38,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 06:12:38,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 06:12:38,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356938523] [2024-10-11 06:12:38,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 06:12:38,492 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 06:12:38,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 06:12:38,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 06:12:38,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-11 06:12:38,492 INFO L87 Difference]: Start difference. First operand 1253 states and 1789 transitions. Second operand has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 6 states have internal predecessors, (108), 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) [2024-10-11 06:12:39,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 06:12:39,032 INFO L93 Difference]: Finished difference Result 2402 states and 3436 transitions. [2024-10-11 06:12:39,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 06:12:39,033 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 6 states have internal predecessors, (108), 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 [2024-10-11 06:12:39,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 06:12:39,037 INFO L225 Difference]: With dead ends: 2402 [2024-10-11 06:12:39,037 INFO L226 Difference]: Without dead ends: 1390 [2024-10-11 06:12:39,039 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-10-11 06:12:39,039 INFO L432 NwaCegarLoop]: 569 mSDtfsCounter, 856 mSDsluCounter, 1979 mSDsCounter, 0 mSdLazyCounter, 739 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 856 SdHoareTripleChecker+Valid, 2548 SdHoareTripleChecker+Invalid, 739 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 739 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 06:12:39,039 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [856 Valid, 2548 Invalid, 739 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 739 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 06:12:39,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1390 states. [2024-10-11 06:12:39,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1390 to 1253. [2024-10-11 06:12:39,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1253 states, 1252 states have (on average 1.4257188498402555) internal successors, (1785), 1252 states have internal predecessors, (1785), 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) [2024-10-11 06:12:39,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1253 states to 1253 states and 1785 transitions. [2024-10-11 06:12:39,059 INFO L78 Accepts]: Start accepts. Automaton has 1253 states and 1785 transitions. Word has length 108 [2024-10-11 06:12:39,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 06:12:39,060 INFO L471 AbstractCegarLoop]: Abstraction has 1253 states and 1785 transitions. [2024-10-11 06:12:39,060 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 6 states have internal predecessors, (108), 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) [2024-10-11 06:12:39,060 INFO L276 IsEmpty]: Start isEmpty. Operand 1253 states and 1785 transitions. [2024-10-11 06:12:39,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-10-11 06:12:39,061 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 06:12:39,061 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 06:12:39,061 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-11 06:12:39,062 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 06:12:39,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 06:12:39,062 INFO L85 PathProgramCache]: Analyzing trace with hash 1142470929, now seen corresponding path program 1 times [2024-10-11 06:12:39,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 06:12:39,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595867173] [2024-10-11 06:12:39,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 06:12:39,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 06:12:39,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 06:12:39,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 06:12:39,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 06:12:39,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595867173] [2024-10-11 06:12:39,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595867173] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 06:12:39,982 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 06:12:39,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-11 06:12:39,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145204337] [2024-10-11 06:12:39,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 06:12:39,983 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 06:12:39,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 06:12:39,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 06:12:39,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-10-11 06:12:39,984 INFO L87 Difference]: Start difference. First operand 1253 states and 1785 transitions. Second operand has 11 states, 11 states have (on average 9.818181818181818) internal successors, (108), 10 states have internal predecessors, (108), 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) [2024-10-11 06:12:40,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 06:12:40,931 INFO L93 Difference]: Finished difference Result 2619 states and 3749 transitions. [2024-10-11 06:12:40,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-11 06:12:40,932 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.818181818181818) internal successors, (108), 10 states have internal predecessors, (108), 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 [2024-10-11 06:12:40,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 06:12:40,943 INFO L225 Difference]: With dead ends: 2619 [2024-10-11 06:12:40,944 INFO L226 Difference]: Without dead ends: 1913 [2024-10-11 06:12:40,946 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=95, Invalid=367, Unknown=0, NotChecked=0, Total=462 [2024-10-11 06:12:40,947 INFO L432 NwaCegarLoop]: 538 mSDtfsCounter, 1052 mSDsluCounter, 3423 mSDsCounter, 0 mSdLazyCounter, 1184 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1052 SdHoareTripleChecker+Valid, 3961 SdHoareTripleChecker+Invalid, 1188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-11 06:12:40,947 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1052 Valid, 3961 Invalid, 1188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1184 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-11 06:12:40,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1913 states. [2024-10-11 06:12:40,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1913 to 1911. [2024-10-11 06:12:40,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1911 states, 1910 states have (on average 1.4308900523560208) internal successors, (2733), 1910 states have internal predecessors, (2733), 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) [2024-10-11 06:12:40,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1911 states to 1911 states and 2733 transitions. [2024-10-11 06:12:40,985 INFO L78 Accepts]: Start accepts. Automaton has 1911 states and 2733 transitions. Word has length 108 [2024-10-11 06:12:40,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 06:12:40,985 INFO L471 AbstractCegarLoop]: Abstraction has 1911 states and 2733 transitions. [2024-10-11 06:12:40,986 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.818181818181818) internal successors, (108), 10 states have internal predecessors, (108), 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) [2024-10-11 06:12:40,986 INFO L276 IsEmpty]: Start isEmpty. Operand 1911 states and 2733 transitions. [2024-10-11 06:12:40,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-10-11 06:12:40,987 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 06:12:40,988 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 06:12:40,988 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-11 06:12:40,988 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 06:12:40,988 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 06:12:40,988 INFO L85 PathProgramCache]: Analyzing trace with hash -164509175, now seen corresponding path program 1 times [2024-10-11 06:12:40,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 06:12:40,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727625001] [2024-10-11 06:12:40,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 06:12:40,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 06:12:41,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 06:12:41,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 06:12:41,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 06:12:41,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727625001] [2024-10-11 06:12:41,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727625001] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 06:12:41,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 06:12:41,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 06:12:41,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348641005] [2024-10-11 06:12:41,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 06:12:41,377 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 06:12:41,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 06:12:41,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 06:12:41,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-11 06:12:41,379 INFO L87 Difference]: Start difference. First operand 1911 states and 2733 transitions. Second operand has 6 states, 6 states have (on average 18.166666666666668) internal successors, (109), 5 states have internal predecessors, (109), 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) [2024-10-11 06:12:41,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 06:12:41,463 INFO L93 Difference]: Finished difference Result 3711 states and 5317 transitions. [2024-10-11 06:12:41,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 06:12:41,463 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.166666666666668) internal successors, (109), 5 states have internal predecessors, (109), 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 [2024-10-11 06:12:41,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 06:12:41,469 INFO L225 Difference]: With dead ends: 3711 [2024-10-11 06:12:41,470 INFO L226 Difference]: Without dead ends: 2374 [2024-10-11 06:12:41,472 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-10-11 06:12:41,472 INFO L432 NwaCegarLoop]: 700 mSDtfsCounter, 687 mSDsluCounter, 1852 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 687 SdHoareTripleChecker+Valid, 2552 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 06:12:41,472 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [687 Valid, 2552 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 06:12:41,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2374 states. [2024-10-11 06:12:41,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2374 to 2017. [2024-10-11 06:12:41,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2017 states, 2016 states have (on average 1.4270833333333333) internal successors, (2877), 2016 states have internal predecessors, (2877), 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) [2024-10-11 06:12:41,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2017 states to 2017 states and 2877 transitions. [2024-10-11 06:12:41,509 INFO L78 Accepts]: Start accepts. Automaton has 2017 states and 2877 transitions. Word has length 109 [2024-10-11 06:12:41,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 06:12:41,510 INFO L471 AbstractCegarLoop]: Abstraction has 2017 states and 2877 transitions. [2024-10-11 06:12:41,510 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.166666666666668) internal successors, (109), 5 states have internal predecessors, (109), 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) [2024-10-11 06:12:41,510 INFO L276 IsEmpty]: Start isEmpty. Operand 2017 states and 2877 transitions. [2024-10-11 06:12:41,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-10-11 06:12:41,512 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 06:12:41,512 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 06:12:41,512 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-10-11 06:12:41,512 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 06:12:41,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 06:12:41,513 INFO L85 PathProgramCache]: Analyzing trace with hash 1817066942, now seen corresponding path program 1 times [2024-10-11 06:12:41,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 06:12:41,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517113161] [2024-10-11 06:12:41,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 06:12:41,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 06:12:41,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 06:12:41,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 06:12:41,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 06:12:41,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517113161] [2024-10-11 06:12:41,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517113161] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 06:12:41,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 06:12:41,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 06:12:41,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788204884] [2024-10-11 06:12:41,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 06:12:41,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 06:12:41,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 06:12:41,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 06:12:41,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 06:12:41,995 INFO L87 Difference]: Start difference. First operand 2017 states and 2877 transitions. Second operand has 4 states, 4 states have (on average 27.25) internal successors, (109), 4 states have internal predecessors, (109), 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) [2024-10-11 06:12:42,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 06:12:42,021 INFO L93 Difference]: Finished difference Result 3507 states and 5017 transitions. [2024-10-11 06:12:42,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 06:12:42,022 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.25) internal successors, (109), 4 states have internal predecessors, (109), 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 [2024-10-11 06:12:42,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 06:12:42,028 INFO L225 Difference]: With dead ends: 3507 [2024-10-11 06:12:42,028 INFO L226 Difference]: Without dead ends: 2003 [2024-10-11 06:12:42,031 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 06:12:42,032 INFO L432 NwaCegarLoop]: 473 mSDtfsCounter, 0 mSDsluCounter, 471 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 944 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 06:12:42,032 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 944 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 06:12:42,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2003 states. [2024-10-11 06:12:42,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2003 to 2003. [2024-10-11 06:12:42,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2003 states, 2002 states have (on average 1.4200799200799201) internal successors, (2843), 2002 states have internal predecessors, (2843), 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) [2024-10-11 06:12:42,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2003 states to 2003 states and 2843 transitions. [2024-10-11 06:12:42,059 INFO L78 Accepts]: Start accepts. Automaton has 2003 states and 2843 transitions. Word has length 109 [2024-10-11 06:12:42,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 06:12:42,059 INFO L471 AbstractCegarLoop]: Abstraction has 2003 states and 2843 transitions. [2024-10-11 06:12:42,059 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.25) internal successors, (109), 4 states have internal predecessors, (109), 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) [2024-10-11 06:12:42,059 INFO L276 IsEmpty]: Start isEmpty. Operand 2003 states and 2843 transitions. [2024-10-11 06:12:42,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-10-11 06:12:42,061 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 06:12:42,061 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 06:12:42,061 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-10-11 06:12:42,061 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 06:12:42,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 06:12:42,062 INFO L85 PathProgramCache]: Analyzing trace with hash 410027042, now seen corresponding path program 1 times [2024-10-11 06:12:42,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 06:12:42,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250996570] [2024-10-11 06:12:42,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 06:12:42,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 06:12:42,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 06:12:42,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 06:12:42,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 06:12:42,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250996570] [2024-10-11 06:12:42,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250996570] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 06:12:42,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 06:12:42,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 06:12:42,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929094105] [2024-10-11 06:12:42,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 06:12:42,460 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 06:12:42,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 06:12:42,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 06:12:42,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 06:12:42,461 INFO L87 Difference]: Start difference. First operand 2003 states and 2843 transitions. Second operand has 5 states, 5 states have (on average 21.8) internal successors, (109), 5 states have internal predecessors, (109), 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) [2024-10-11 06:12:42,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 06:12:42,497 INFO L93 Difference]: Finished difference Result 3469 states and 4935 transitions. [2024-10-11 06:12:42,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 06:12:42,497 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.8) internal successors, (109), 5 states have internal predecessors, (109), 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 [2024-10-11 06:12:42,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 06:12:42,502 INFO L225 Difference]: With dead ends: 3469 [2024-10-11 06:12:42,503 INFO L226 Difference]: Without dead ends: 2003 [2024-10-11 06:12:42,504 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 06:12:42,505 INFO L432 NwaCegarLoop]: 467 mSDtfsCounter, 1 mSDsluCounter, 1398 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1865 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 06:12:42,505 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1865 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 06:12:42,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2003 states. [2024-10-11 06:12:42,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2003 to 2003. [2024-10-11 06:12:42,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2003 states, 2002 states have (on average 1.413086913086913) internal successors, (2829), 2002 states have internal predecessors, (2829), 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) [2024-10-11 06:12:42,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2003 states to 2003 states and 2829 transitions. [2024-10-11 06:12:42,570 INFO L78 Accepts]: Start accepts. Automaton has 2003 states and 2829 transitions. Word has length 109 [2024-10-11 06:12:42,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 06:12:42,570 INFO L471 AbstractCegarLoop]: Abstraction has 2003 states and 2829 transitions. [2024-10-11 06:12:42,570 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.8) internal successors, (109), 5 states have internal predecessors, (109), 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) [2024-10-11 06:12:42,570 INFO L276 IsEmpty]: Start isEmpty. Operand 2003 states and 2829 transitions. [2024-10-11 06:12:42,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-10-11 06:12:42,572 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 06:12:42,572 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 06:12:42,572 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-10-11 06:12:42,572 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 06:12:42,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 06:12:42,573 INFO L85 PathProgramCache]: Analyzing trace with hash -814917975, now seen corresponding path program 1 times [2024-10-11 06:12:42,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 06:12:42,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026685410] [2024-10-11 06:12:42,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 06:12:42,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 06:12:42,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 06:12:42,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 06:12:42,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 06:12:42,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026685410] [2024-10-11 06:12:42,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2026685410] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 06:12:42,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 06:12:42,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 06:12:42,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744650602] [2024-10-11 06:12:42,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 06:12:42,967 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 06:12:42,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 06:12:42,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 06:12:42,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-11 06:12:42,968 INFO L87 Difference]: Start difference. First operand 2003 states and 2829 transitions. Second operand has 6 states, 6 states have (on average 18.166666666666668) internal successors, (109), 5 states have internal predecessors, (109), 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) [2024-10-11 06:12:43,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 06:12:43,263 INFO L93 Difference]: Finished difference Result 3933 states and 5579 transitions. [2024-10-11 06:12:43,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 06:12:43,263 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.166666666666668) internal successors, (109), 5 states have internal predecessors, (109), 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 [2024-10-11 06:12:43,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 06:12:43,274 INFO L225 Difference]: With dead ends: 3933 [2024-10-11 06:12:43,274 INFO L226 Difference]: Without dead ends: 2389 [2024-10-11 06:12:43,277 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-10-11 06:12:43,277 INFO L432 NwaCegarLoop]: 446 mSDtfsCounter, 1243 mSDsluCounter, 1328 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1243 SdHoareTripleChecker+Valid, 1774 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 06:12:43,277 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1243 Valid, 1774 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 06:12:43,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2389 states. [2024-10-11 06:12:43,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2389 to 1953. [2024-10-11 06:12:43,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1953 states, 1952 states have (on average 1.4113729508196722) internal successors, (2755), 1952 states have internal predecessors, (2755), 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) [2024-10-11 06:12:43,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1953 states to 1953 states and 2755 transitions. [2024-10-11 06:12:43,315 INFO L78 Accepts]: Start accepts. Automaton has 1953 states and 2755 transitions. Word has length 109 [2024-10-11 06:12:43,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 06:12:43,316 INFO L471 AbstractCegarLoop]: Abstraction has 1953 states and 2755 transitions. [2024-10-11 06:12:43,316 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.166666666666668) internal successors, (109), 5 states have internal predecessors, (109), 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) [2024-10-11 06:12:43,316 INFO L276 IsEmpty]: Start isEmpty. Operand 1953 states and 2755 transitions. [2024-10-11 06:12:43,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-10-11 06:12:43,317 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 06:12:43,317 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 06:12:43,317 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-10-11 06:12:43,318 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 06:12:43,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 06:12:43,318 INFO L85 PathProgramCache]: Analyzing trace with hash 1032964500, now seen corresponding path program 1 times [2024-10-11 06:12:43,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 06:12:43,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186145355] [2024-10-11 06:12:43,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 06:12:43,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 06:12:43,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 06:12:43,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 06:12:43,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 06:12:43,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186145355] [2024-10-11 06:12:43,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186145355] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 06:12:43,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 06:12:43,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 06:12:43,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330473706] [2024-10-11 06:12:43,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 06:12:43,735 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 06:12:43,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 06:12:43,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 06:12:43,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-10-11 06:12:43,736 INFO L87 Difference]: Start difference. First operand 1953 states and 2755 transitions. Second operand has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 6 states have internal predecessors, (109), 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) [2024-10-11 06:12:44,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 06:12:44,319 INFO L93 Difference]: Finished difference Result 3613 states and 5123 transitions. [2024-10-11 06:12:44,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 06:12:44,323 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 6 states have internal predecessors, (109), 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 [2024-10-11 06:12:44,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 06:12:44,338 INFO L225 Difference]: With dead ends: 3613 [2024-10-11 06:12:44,338 INFO L226 Difference]: Without dead ends: 2225 [2024-10-11 06:12:44,340 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-11 06:12:44,341 INFO L432 NwaCegarLoop]: 544 mSDtfsCounter, 689 mSDsluCounter, 1687 mSDsCounter, 0 mSdLazyCounter, 844 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 689 SdHoareTripleChecker+Valid, 2231 SdHoareTripleChecker+Invalid, 844 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 844 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 06:12:44,344 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [689 Valid, 2231 Invalid, 844 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 844 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 06:12:44,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2225 states. [2024-10-11 06:12:44,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2225 to 1712. [2024-10-11 06:12:44,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1712 states, 1711 states have (on average 1.4143775569842199) internal successors, (2420), 1711 states have internal predecessors, (2420), 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) [2024-10-11 06:12:44,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1712 states to 1712 states and 2420 transitions. [2024-10-11 06:12:44,379 INFO L78 Accepts]: Start accepts. Automaton has 1712 states and 2420 transitions. Word has length 109 [2024-10-11 06:12:44,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 06:12:44,380 INFO L471 AbstractCegarLoop]: Abstraction has 1712 states and 2420 transitions. [2024-10-11 06:12:44,380 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 6 states have internal predecessors, (109), 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) [2024-10-11 06:12:44,380 INFO L276 IsEmpty]: Start isEmpty. Operand 1712 states and 2420 transitions. [2024-10-11 06:12:44,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-10-11 06:12:44,383 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 06:12:44,383 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 06:12:44,384 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-10-11 06:12:44,384 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 06:12:44,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 06:12:44,384 INFO L85 PathProgramCache]: Analyzing trace with hash 1058645568, now seen corresponding path program 1 times [2024-10-11 06:12:44,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 06:12:44,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911006855] [2024-10-11 06:12:44,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 06:12:44,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 06:12:44,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 06:12:45,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 06:12:45,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 06:12:45,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911006855] [2024-10-11 06:12:45,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1911006855] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 06:12:45,400 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 06:12:45,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-10-11 06:12:45,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690336480] [2024-10-11 06:12:45,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 06:12:45,401 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-11 06:12:45,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 06:12:45,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-11 06:12:45,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-10-11 06:12:45,402 INFO L87 Difference]: Start difference. First operand 1712 states and 2420 transitions. Second operand has 15 states, 15 states have (on average 7.266666666666667) internal successors, (109), 14 states have internal predecessors, (109), 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) [2024-10-11 06:12:45,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 06:12:45,825 INFO L93 Difference]: Finished difference Result 3608 states and 5099 transitions. [2024-10-11 06:12:45,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-11 06:12:45,825 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 7.266666666666667) internal successors, (109), 14 states have internal predecessors, (109), 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 [2024-10-11 06:12:45,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 06:12:45,829 INFO L225 Difference]: With dead ends: 3608 [2024-10-11 06:12:45,829 INFO L226 Difference]: Without dead ends: 1948 [2024-10-11 06:12:45,831 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=112, Invalid=590, Unknown=0, NotChecked=0, Total=702 [2024-10-11 06:12:45,831 INFO L432 NwaCegarLoop]: 453 mSDtfsCounter, 1112 mSDsluCounter, 4958 mSDsCounter, 0 mSdLazyCounter, 361 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1112 SdHoareTripleChecker+Valid, 5411 SdHoareTripleChecker+Invalid, 364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 06:12:45,832 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1112 Valid, 5411 Invalid, 364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 361 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 06:12:45,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1948 states. [2024-10-11 06:12:45,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1948 to 1738. [2024-10-11 06:12:45,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1738 states, 1737 states have (on average 1.4139320667818076) internal successors, (2456), 1737 states have internal predecessors, (2456), 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) [2024-10-11 06:12:45,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1738 states to 1738 states and 2456 transitions. [2024-10-11 06:12:45,853 INFO L78 Accepts]: Start accepts. Automaton has 1738 states and 2456 transitions. Word has length 109 [2024-10-11 06:12:45,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 06:12:45,853 INFO L471 AbstractCegarLoop]: Abstraction has 1738 states and 2456 transitions. [2024-10-11 06:12:45,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 7.266666666666667) internal successors, (109), 14 states have internal predecessors, (109), 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) [2024-10-11 06:12:45,854 INFO L276 IsEmpty]: Start isEmpty. Operand 1738 states and 2456 transitions. [2024-10-11 06:12:45,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-10-11 06:12:45,855 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 06:12:45,855 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 06:12:45,855 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-10-11 06:12:45,855 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 06:12:45,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 06:12:45,856 INFO L85 PathProgramCache]: Analyzing trace with hash 149052324, now seen corresponding path program 1 times [2024-10-11 06:12:45,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 06:12:45,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667041178] [2024-10-11 06:12:45,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 06:12:45,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 06:12:45,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 06:12:46,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 06:12:46,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 06:12:46,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667041178] [2024-10-11 06:12:46,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [667041178] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 06:12:46,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 06:12:46,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 06:12:46,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959845792] [2024-10-11 06:12:46,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 06:12:46,203 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 06:12:46,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 06:12:46,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 06:12:46,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-11 06:12:46,204 INFO L87 Difference]: Start difference. First operand 1738 states and 2456 transitions. Second operand has 6 states, 6 states have (on average 18.333333333333332) internal successors, (110), 5 states have internal predecessors, (110), 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) [2024-10-11 06:12:46,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 06:12:46,343 INFO L93 Difference]: Finished difference Result 3422 states and 4833 transitions. [2024-10-11 06:12:46,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 06:12:46,343 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.333333333333332) internal successors, (110), 5 states have internal predecessors, (110), 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 110 [2024-10-11 06:12:46,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 06:12:46,348 INFO L225 Difference]: With dead ends: 3422 [2024-10-11 06:12:46,348 INFO L226 Difference]: Without dead ends: 1742 [2024-10-11 06:12:46,350 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-10-11 06:12:46,351 INFO L432 NwaCegarLoop]: 437 mSDtfsCounter, 450 mSDsluCounter, 1309 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 450 SdHoareTripleChecker+Valid, 1746 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 06:12:46,351 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [450 Valid, 1746 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 06:12:46,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1742 states. [2024-10-11 06:12:46,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1742 to 1742. [2024-10-11 06:12:46,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1742 states, 1741 states have (on average 1.4106835152211372) internal successors, (2456), 1741 states have internal predecessors, (2456), 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) [2024-10-11 06:12:46,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1742 states to 1742 states and 2456 transitions. [2024-10-11 06:12:46,382 INFO L78 Accepts]: Start accepts. Automaton has 1742 states and 2456 transitions. Word has length 110 [2024-10-11 06:12:46,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 06:12:46,382 INFO L471 AbstractCegarLoop]: Abstraction has 1742 states and 2456 transitions. [2024-10-11 06:12:46,382 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.333333333333332) internal successors, (110), 5 states have internal predecessors, (110), 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) [2024-10-11 06:12:46,382 INFO L276 IsEmpty]: Start isEmpty. Operand 1742 states and 2456 transitions. [2024-10-11 06:12:46,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-10-11 06:12:46,383 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 06:12:46,384 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 06:12:46,384 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-10-11 06:12:46,384 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 06:12:46,385 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 06:12:46,385 INFO L85 PathProgramCache]: Analyzing trace with hash -251629004, now seen corresponding path program 1 times [2024-10-11 06:12:46,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 06:12:46,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596266991] [2024-10-11 06:12:46,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 06:12:46,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 06:12:46,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 06:12:47,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 06:12:47,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 06:12:47,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596266991] [2024-10-11 06:12:47,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596266991] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 06:12:47,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 06:12:47,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 06:12:47,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557430569] [2024-10-11 06:12:47,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 06:12:47,155 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 06:12:47,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 06:12:47,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 06:12:47,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 06:12:47,156 INFO L87 Difference]: Start difference. First operand 1742 states and 2456 transitions. Second operand has 5 states, 5 states have (on average 22.0) internal successors, (110), 4 states have internal predecessors, (110), 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) [2024-10-11 06:12:47,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 06:12:47,273 INFO L93 Difference]: Finished difference Result 3185 states and 4503 transitions. [2024-10-11 06:12:47,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 06:12:47,273 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 4 states have internal predecessors, (110), 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 110 [2024-10-11 06:12:47,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 06:12:47,276 INFO L225 Difference]: With dead ends: 3185 [2024-10-11 06:12:47,276 INFO L226 Difference]: Without dead ends: 1938 [2024-10-11 06:12:47,278 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 06:12:47,278 INFO L432 NwaCegarLoop]: 451 mSDtfsCounter, 846 mSDsluCounter, 902 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 846 SdHoareTripleChecker+Valid, 1353 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 06:12:47,278 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [846 Valid, 1353 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 06:12:47,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1938 states. [2024-10-11 06:12:47,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1938 to 1742. [2024-10-11 06:12:47,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1742 states, 1741 states have (on average 1.407811602527283) internal successors, (2451), 1741 states have internal predecessors, (2451), 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) [2024-10-11 06:12:47,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1742 states to 1742 states and 2451 transitions. [2024-10-11 06:12:47,301 INFO L78 Accepts]: Start accepts. Automaton has 1742 states and 2451 transitions. Word has length 110 [2024-10-11 06:12:47,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 06:12:47,301 INFO L471 AbstractCegarLoop]: Abstraction has 1742 states and 2451 transitions. [2024-10-11 06:12:47,301 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 4 states have internal predecessors, (110), 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) [2024-10-11 06:12:47,301 INFO L276 IsEmpty]: Start isEmpty. Operand 1742 states and 2451 transitions. [2024-10-11 06:12:47,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-10-11 06:12:47,302 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 06:12:47,302 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 06:12:47,302 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-10-11 06:12:47,303 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 06:12:47,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 06:12:47,303 INFO L85 PathProgramCache]: Analyzing trace with hash -1024777683, now seen corresponding path program 1 times [2024-10-11 06:12:47,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 06:12:47,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298119555] [2024-10-11 06:12:47,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 06:12:47,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 06:12:47,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 06:12:48,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 06:12:48,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 06:12:48,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298119555] [2024-10-11 06:12:48,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1298119555] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 06:12:48,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 06:12:48,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 06:12:48,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242191143] [2024-10-11 06:12:48,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 06:12:48,007 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 06:12:48,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 06:12:48,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 06:12:48,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-10-11 06:12:48,008 INFO L87 Difference]: Start difference. First operand 1742 states and 2451 transitions. Second operand has 8 states, 8 states have (on average 13.875) internal successors, (111), 7 states have internal predecessors, (111), 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) [2024-10-11 06:12:48,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 06:12:48,132 INFO L93 Difference]: Finished difference Result 3323 states and 4705 transitions. [2024-10-11 06:12:48,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 06:12:48,133 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.875) internal successors, (111), 7 states have internal predecessors, (111), 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 111 [2024-10-11 06:12:48,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 06:12:48,136 INFO L225 Difference]: With dead ends: 3323 [2024-10-11 06:12:48,136 INFO L226 Difference]: Without dead ends: 2086 [2024-10-11 06:12:48,137 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-10-11 06:12:48,138 INFO L432 NwaCegarLoop]: 460 mSDtfsCounter, 1043 mSDsluCounter, 1721 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1043 SdHoareTripleChecker+Valid, 2181 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 06:12:48,138 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1043 Valid, 2181 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 06:12:48,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2086 states. [2024-10-11 06:12:48,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2086 to 1752. [2024-10-11 06:12:48,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1752 states, 1751 states have (on average 1.4054825813820675) internal successors, (2461), 1751 states have internal predecessors, (2461), 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) [2024-10-11 06:12:48,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1752 states to 1752 states and 2461 transitions. [2024-10-11 06:12:48,163 INFO L78 Accepts]: Start accepts. Automaton has 1752 states and 2461 transitions. Word has length 111 [2024-10-11 06:12:48,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 06:12:48,163 INFO L471 AbstractCegarLoop]: Abstraction has 1752 states and 2461 transitions. [2024-10-11 06:12:48,163 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.875) internal successors, (111), 7 states have internal predecessors, (111), 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) [2024-10-11 06:12:48,163 INFO L276 IsEmpty]: Start isEmpty. Operand 1752 states and 2461 transitions. [2024-10-11 06:12:48,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-10-11 06:12:48,164 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 06:12:48,165 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 06:12:48,165 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-10-11 06:12:48,165 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 06:12:48,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 06:12:48,165 INFO L85 PathProgramCache]: Analyzing trace with hash 966906612, now seen corresponding path program 1 times [2024-10-11 06:12:48,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 06:12:48,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512961750] [2024-10-11 06:12:48,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 06:12:48,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 06:12:48,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 06:12:48,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 06:12:48,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 06:12:48,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512961750] [2024-10-11 06:12:48,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512961750] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 06:12:48,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 06:12:48,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 06:12:48,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804204254] [2024-10-11 06:12:48,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 06:12:48,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 06:12:48,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 06:12:48,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 06:12:48,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 06:12:48,762 INFO L87 Difference]: Start difference. First operand 1752 states and 2461 transitions. Second operand has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 7 states have internal predecessors, (111), 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) [2024-10-11 06:12:48,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 06:12:48,840 INFO L93 Difference]: Finished difference Result 2974 states and 4201 transitions. [2024-10-11 06:12:48,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 06:12:48,841 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 7 states have internal predecessors, (111), 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 111 [2024-10-11 06:12:48,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 06:12:48,843 INFO L225 Difference]: With dead ends: 2974 [2024-10-11 06:12:48,843 INFO L226 Difference]: Without dead ends: 1752 [2024-10-11 06:12:48,845 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 06:12:48,845 INFO L432 NwaCegarLoop]: 456 mSDtfsCounter, 4 mSDsluCounter, 2271 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 2727 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 06:12:48,846 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 2727 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 06:12:48,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1752 states. [2024-10-11 06:12:48,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1752 to 1752. [2024-10-11 06:12:48,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1752 states, 1751 states have (on average 1.4020559680182754) internal successors, (2455), 1751 states have internal predecessors, (2455), 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) [2024-10-11 06:12:48,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1752 states to 1752 states and 2455 transitions. [2024-10-11 06:12:48,862 INFO L78 Accepts]: Start accepts. Automaton has 1752 states and 2455 transitions. Word has length 111 [2024-10-11 06:12:48,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 06:12:48,862 INFO L471 AbstractCegarLoop]: Abstraction has 1752 states and 2455 transitions. [2024-10-11 06:12:48,862 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 7 states have internal predecessors, (111), 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) [2024-10-11 06:12:48,862 INFO L276 IsEmpty]: Start isEmpty. Operand 1752 states and 2455 transitions. [2024-10-11 06:12:48,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-10-11 06:12:48,864 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 06:12:48,864 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 06:12:48,864 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-10-11 06:12:48,864 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 06:12:48,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 06:12:48,865 INFO L85 PathProgramCache]: Analyzing trace with hash 1483778939, now seen corresponding path program 1 times [2024-10-11 06:12:48,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 06:12:48,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864414212] [2024-10-11 06:12:48,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 06:12:48,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 06:12:48,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 06:12:49,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 06:12:49,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 06:12:49,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864414212] [2024-10-11 06:12:49,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864414212] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 06:12:49,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 06:12:49,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 06:12:49,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371485217] [2024-10-11 06:12:49,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 06:12:49,072 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 06:12:49,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 06:12:49,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 06:12:49,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 06:12:49,073 INFO L87 Difference]: Start difference. First operand 1752 states and 2455 transitions. Second operand has 5 states, 5 states have (on average 22.4) internal successors, (112), 5 states have internal predecessors, (112), 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) [2024-10-11 06:12:49,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 06:12:49,110 INFO L93 Difference]: Finished difference Result 2998 states and 4219 transitions. [2024-10-11 06:12:49,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 06:12:49,110 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.4) internal successors, (112), 5 states have internal predecessors, (112), 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 112 [2024-10-11 06:12:49,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 06:12:49,113 INFO L225 Difference]: With dead ends: 2998 [2024-10-11 06:12:49,113 INFO L226 Difference]: Without dead ends: 1776 [2024-10-11 06:12:49,114 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 06:12:49,115 INFO L432 NwaCegarLoop]: 465 mSDtfsCounter, 2 mSDsluCounter, 1388 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1853 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 06:12:49,116 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1853 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 06:12:49,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1776 states. [2024-10-11 06:12:49,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1776 to 1770. [2024-10-11 06:12:49,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1770 states, 1769 states have (on average 1.3979649519502544) internal successors, (2473), 1769 states have internal predecessors, (2473), 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) [2024-10-11 06:12:49,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1770 states to 1770 states and 2473 transitions. [2024-10-11 06:12:49,132 INFO L78 Accepts]: Start accepts. Automaton has 1770 states and 2473 transitions. Word has length 112 [2024-10-11 06:12:49,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 06:12:49,132 INFO L471 AbstractCegarLoop]: Abstraction has 1770 states and 2473 transitions. [2024-10-11 06:12:49,132 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.4) internal successors, (112), 5 states have internal predecessors, (112), 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) [2024-10-11 06:12:49,132 INFO L276 IsEmpty]: Start isEmpty. Operand 1770 states and 2473 transitions. [2024-10-11 06:12:49,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-10-11 06:12:49,133 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 06:12:49,133 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 06:12:49,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-10-11 06:12:49,135 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 06:12:49,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 06:12:49,136 INFO L85 PathProgramCache]: Analyzing trace with hash 1829816855, now seen corresponding path program 1 times [2024-10-11 06:12:49,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 06:12:49,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617137957] [2024-10-11 06:12:49,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 06:12:49,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 06:12:49,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 06:12:49,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 06:12:49,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 06:12:49,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617137957] [2024-10-11 06:12:49,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617137957] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 06:12:49,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 06:12:49,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 06:12:49,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671335331] [2024-10-11 06:12:49,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 06:12:49,566 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 06:12:49,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 06:12:49,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 06:12:49,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 06:12:49,567 INFO L87 Difference]: Start difference. First operand 1770 states and 2473 transitions. Second operand has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 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) [2024-10-11 06:12:49,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 06:12:49,589 INFO L93 Difference]: Finished difference Result 3004 states and 4219 transitions. [2024-10-11 06:12:49,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 06:12:49,590 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 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 112 [2024-10-11 06:12:49,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 06:12:49,592 INFO L225 Difference]: With dead ends: 3004 [2024-10-11 06:12:49,592 INFO L226 Difference]: Without dead ends: 1734 [2024-10-11 06:12:49,594 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 06:12:49,595 INFO L432 NwaCegarLoop]: 467 mSDtfsCounter, 0 mSDsluCounter, 465 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 932 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 06:12:49,596 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 932 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 06:12:49,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1734 states. [2024-10-11 06:12:49,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1734 to 1734. [2024-10-11 06:12:49,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1734 states, 1733 states have (on average 1.396999422965955) internal successors, (2421), 1733 states have internal predecessors, (2421), 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) [2024-10-11 06:12:49,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 1734 states and 2421 transitions. [2024-10-11 06:12:49,617 INFO L78 Accepts]: Start accepts. Automaton has 1734 states and 2421 transitions. Word has length 112 [2024-10-11 06:12:49,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 06:12:49,617 INFO L471 AbstractCegarLoop]: Abstraction has 1734 states and 2421 transitions. [2024-10-11 06:12:49,618 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 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) [2024-10-11 06:12:49,618 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 2421 transitions. [2024-10-11 06:12:49,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-10-11 06:12:49,619 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 06:12:49,619 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 06:12:49,619 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-10-11 06:12:49,619 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 06:12:49,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 06:12:49,620 INFO L85 PathProgramCache]: Analyzing trace with hash 420011313, now seen corresponding path program 1 times [2024-10-11 06:12:49,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 06:12:49,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674656731] [2024-10-11 06:12:49,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 06:12:49,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 06:12:49,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-11 06:12:49,762 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-11 06:12:49,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-11 06:12:49,927 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-11 06:12:49,928 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-11 06:12:49,928 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-11 06:12:49,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-10-11 06:12:49,933 INFO L407 BasicCegarLoop]: Path program 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] [2024-10-11 06:12:50,025 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 06:12:50,030 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 06:12:50 BoogieIcfgContainer [2024-10-11 06:12:50,030 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 06:12:50,030 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 06:12:50,031 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 06:12:50,031 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 06:12:50,031 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 06:12:19" (3/4) ... [2024-10-11 06:12:50,033 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-11 06:12:50,034 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 06:12:50,034 INFO L158 Benchmark]: Toolchain (without parser) took 34055.24ms. Allocated memory was 167.8MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 98.4MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 126.2MB. Max. memory is 16.1GB. [2024-10-11 06:12:50,034 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 167.8MB. Free memory is still 125.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 06:12:50,034 INFO L158 Benchmark]: CACSL2BoogieTranslator took 678.41ms. Allocated memory is still 167.8MB. Free memory was 98.3MB in the beginning and 99.2MB in the end (delta: -953.2kB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. [2024-10-11 06:12:50,034 INFO L158 Benchmark]: Boogie Procedure Inliner took 192.47ms. Allocated memory is still 167.8MB. Free memory was 99.2MB in the beginning and 58.7MB in the end (delta: 40.5MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-10-11 06:12:50,035 INFO L158 Benchmark]: Boogie Preprocessor took 304.69ms. Allocated memory is still 167.8MB. Free memory was 58.1MB in the beginning and 95.9MB in the end (delta: -37.8MB). Peak memory consumption was 36.9MB. Max. memory is 16.1GB. [2024-10-11 06:12:50,035 INFO L158 Benchmark]: RCFGBuilder took 2008.37ms. Allocated memory was 167.8MB in the beginning and 320.9MB in the end (delta: 153.1MB). Free memory was 95.9MB in the beginning and 204.5MB in the end (delta: -108.6MB). Peak memory consumption was 113.7MB. Max. memory is 16.1GB. [2024-10-11 06:12:50,035 INFO L158 Benchmark]: TraceAbstraction took 30862.16ms. Allocated memory was 320.9MB in the beginning and 1.3GB in the end (delta: 1.0GB). Free memory was 203.4MB in the beginning and 1.1GB in the end (delta: -931.0MB). Peak memory consumption was 75.6MB. Max. memory is 16.1GB. [2024-10-11 06:12:50,035 INFO L158 Benchmark]: Witness Printer took 3.21ms. Allocated memory is still 1.3GB. Free memory is still 1.1GB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 06:12:50,036 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 167.8MB. Free memory is still 125.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 678.41ms. Allocated memory is still 167.8MB. Free memory was 98.3MB in the beginning and 99.2MB in the end (delta: -953.2kB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 192.47ms. Allocated memory is still 167.8MB. Free memory was 99.2MB in the beginning and 58.7MB in the end (delta: 40.5MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 304.69ms. Allocated memory is still 167.8MB. Free memory was 58.1MB in the beginning and 95.9MB in the end (delta: -37.8MB). Peak memory consumption was 36.9MB. Max. memory is 16.1GB. * RCFGBuilder took 2008.37ms. Allocated memory was 167.8MB in the beginning and 320.9MB in the end (delta: 153.1MB). Free memory was 95.9MB in the beginning and 204.5MB in the end (delta: -108.6MB). Peak memory consumption was 113.7MB. Max. memory is 16.1GB. * TraceAbstraction took 30862.16ms. Allocated memory was 320.9MB in the beginning and 1.3GB in the end (delta: 1.0GB). Free memory was 203.4MB in the beginning and 1.1GB in the end (delta: -931.0MB). Peak memory consumption was 75.6MB. Max. memory is 16.1GB. * Witness Printer took 3.21ms. Allocated memory is still 1.3GB. Free memory is still 1.1GB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 397, overapproximation of bitwiseAnd at line 437. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 2); [L30] const SORT_4 msb_SORT_4 = (SORT_4)1 << (2 - 1); [L32] const SORT_9 mask_SORT_9 = (SORT_9)-1 >> (sizeof(SORT_9) * 8 - 4); [L33] const SORT_9 msb_SORT_9 = (SORT_9)1 << (4 - 1); [L35] const SORT_10 mask_SORT_10 = (SORT_10)-1 >> (sizeof(SORT_10) * 8 - 3); [L36] const SORT_10 msb_SORT_10 = (SORT_10)1 << (3 - 1); [L38] const SORT_10 var_11 = 0; [L39] const SORT_1 var_14 = 0; [L40] const SORT_4 var_16 = 0; [L41] const SORT_9 var_33 = 8; [L42] const SORT_9 var_40 = 7; [L43] const SORT_4 var_52 = 1; [L44] const SORT_1 var_56 = 1; [L45] const SORT_4 var_66 = 2; [L46] const SORT_9 var_72 = 0; [L47] const SORT_4 var_79 = 3; [L48] const SORT_9 var_98 = 5; [L49] const SORT_10 var_120 = 1; [L50] const SORT_9 var_122 = 15; [L51] const SORT_9 var_150 = 6; [L52] const SORT_9 var_315 = 1; [L54] SORT_1 input_2; [L55] SORT_1 input_3; [L56] SORT_4 input_5; [L57] SORT_1 input_6; [L58] SORT_1 input_7; [L59] SORT_1 input_8; [L60] SORT_4 input_103; [L61] SORT_10 input_116; [L62] SORT_10 input_117; [L63] SORT_10 input_118; [L64] SORT_10 input_119; [L65] SORT_10 input_128; [L66] SORT_10 input_135; [L67] SORT_10 input_142; [L68] SORT_10 input_143; [L69] SORT_10 input_144; [L70] SORT_10 input_149; [L71] SORT_10 input_153; [L72] SORT_10 input_159; [L73] SORT_4 input_174; [L74] SORT_4 input_175; [L75] SORT_4 input_176; [L76] SORT_4 input_177; [L77] SORT_4 input_184; [L78] SORT_4 input_187; [L79] SORT_4 input_195; [L80] SORT_4 input_202; [L81] SORT_4 input_203; [L82] SORT_4 input_204; [L83] SORT_4 input_207; [L84] SORT_4 input_209; [L85] SORT_4 input_214; [L86] SORT_4 input_223; [L87] SORT_1 input_235; [L88] SORT_1 input_236; [L89] SORT_1 input_237; [L90] SORT_1 input_238; [L91] SORT_1 input_245; [L92] SORT_1 input_248; [L93] SORT_1 input_251; [L94] SORT_1 input_261; [L95] SORT_4 input_276; [L96] SORT_4 input_280; [L97] SORT_4 input_281; [L98] SORT_4 input_282; [L99] SORT_4 input_283; [L100] SORT_4 input_287; [L101] SORT_4 input_292; [L102] SORT_4 input_301; [L103] SORT_9 input_311; [L104] SORT_9 input_312; [L105] SORT_9 input_313; [L106] SORT_9 input_314; [L107] SORT_9 input_320; [L108] SORT_9 input_326; [L109] SORT_9 input_333; [L110] SORT_9 input_334; [L111] SORT_9 input_335; [L112] SORT_9 input_338; [L113] SORT_9 input_340; [L114] SORT_9 input_344; [L115] SORT_9 input_345; [L116] SORT_9 input_349; [L117] SORT_9 input_354; [L118] SORT_9 input_372; [L119] SORT_9 input_373; [L120] SORT_9 input_374; [L121] SORT_9 input_375; [L122] SORT_9 input_380; [L123] SORT_9 input_383; [L124] SORT_9 input_391; [L125] SORT_9 input_398; [L126] SORT_9 input_399; [L127] SORT_9 input_400; [L128] SORT_9 input_403; [L129] SORT_9 input_405; [L130] SORT_9 input_410; [L131] SORT_9 input_419; [L132] SORT_9 input_430; [L133] SORT_9 input_431; [L134] SORT_9 input_432; [L135] SORT_9 input_433; [L136] SORT_9 input_438; [L137] SORT_9 input_441; [L138] SORT_9 input_444; [L139] SORT_9 input_454; [L141] EXPR __VERIFIER_nondet_uchar() & mask_SORT_10 VAL [mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L141] SORT_10 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_10; [L142] EXPR __VERIFIER_nondet_uchar() & mask_SORT_4 VAL [mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L142] SORT_4 state_17 = __VERIFIER_nondet_uchar() & mask_SORT_4; [L143] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L143] SORT_1 state_22 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L144] EXPR __VERIFIER_nondet_uchar() & mask_SORT_4 VAL [mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L144] SORT_4 state_50 = __VERIFIER_nondet_uchar() & mask_SORT_4; [L145] EXPR __VERIFIER_nondet_uchar() & mask_SORT_9 VAL [mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L145] SORT_9 state_73 = __VERIFIER_nondet_uchar() & mask_SORT_9; [L146] EXPR __VERIFIER_nondet_uchar() & mask_SORT_4 VAL [mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L146] SORT_4 state_96 = __VERIFIER_nondet_uchar() & mask_SORT_4; [L147] EXPR __VERIFIER_nondet_uchar() & mask_SORT_9 VAL [mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L147] SORT_9 state_111 = __VERIFIER_nondet_uchar() & mask_SORT_9; [L148] EXPR __VERIFIER_nondet_uchar() & mask_SORT_9 VAL [mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L148] SORT_9 state_113 = __VERIFIER_nondet_uchar() & mask_SORT_9; [L150] SORT_10 init_13_arg_1 = var_11; [L151] state_12 = init_13_arg_1 [L152] SORT_4 init_18_arg_1 = var_16; [L153] state_17 = init_18_arg_1 [L154] SORT_1 init_23_arg_1 = var_14; [L155] state_22 = init_23_arg_1 [L156] SORT_4 init_51_arg_1 = var_16; [L157] state_50 = init_51_arg_1 [L158] SORT_9 init_74_arg_1 = var_72; [L159] state_73 = init_74_arg_1 [L160] SORT_9 init_112_arg_1 = var_72; [L161] state_111 = init_112_arg_1 [L162] SORT_9 init_114_arg_1 = var_72; [L163] state_113 = init_114_arg_1 VAL [mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L166] input_2 = __VERIFIER_nondet_uchar() [L167] EXPR input_2 & mask_SORT_1 VAL [mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L167] input_2 = input_2 & mask_SORT_1 [L168] input_3 = __VERIFIER_nondet_uchar() [L169] input_5 = __VERIFIER_nondet_uchar() [L170] input_6 = __VERIFIER_nondet_uchar() [L171] EXPR input_6 & mask_SORT_1 VAL [input_2=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L171] input_6 = input_6 & mask_SORT_1 [L172] input_7 = __VERIFIER_nondet_uchar() [L173] EXPR input_7 & mask_SORT_1 VAL [input_2=0, input_6=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L173] input_7 = input_7 & mask_SORT_1 [L174] input_8 = __VERIFIER_nondet_uchar() [L175] EXPR input_8 & mask_SORT_1 VAL [input_2=0, input_6=0, input_7=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L175] input_8 = input_8 & mask_SORT_1 [L176] input_103 = __VERIFIER_nondet_uchar() [L177] input_116 = __VERIFIER_nondet_uchar() [L178] input_117 = __VERIFIER_nondet_uchar() [L179] input_118 = __VERIFIER_nondet_uchar() [L180] input_119 = __VERIFIER_nondet_uchar() [L181] input_128 = __VERIFIER_nondet_uchar() [L182] input_135 = __VERIFIER_nondet_uchar() [L183] input_142 = __VERIFIER_nondet_uchar() [L184] input_143 = __VERIFIER_nondet_uchar() [L185] input_144 = __VERIFIER_nondet_uchar() [L186] input_149 = __VERIFIER_nondet_uchar() [L187] input_153 = __VERIFIER_nondet_uchar() [L188] input_159 = __VERIFIER_nondet_uchar() [L189] input_174 = __VERIFIER_nondet_uchar() [L190] input_175 = __VERIFIER_nondet_uchar() [L191] input_176 = __VERIFIER_nondet_uchar() [L192] input_177 = __VERIFIER_nondet_uchar() [L193] input_184 = __VERIFIER_nondet_uchar() [L194] input_187 = __VERIFIER_nondet_uchar() [L195] input_195 = __VERIFIER_nondet_uchar() [L196] input_202 = __VERIFIER_nondet_uchar() [L197] input_203 = __VERIFIER_nondet_uchar() [L198] input_204 = __VERIFIER_nondet_uchar() [L199] input_207 = __VERIFIER_nondet_uchar() [L200] input_209 = __VERIFIER_nondet_uchar() [L201] input_214 = __VERIFIER_nondet_uchar() [L202] input_223 = __VERIFIER_nondet_uchar() [L203] input_235 = __VERIFIER_nondet_uchar() [L204] input_236 = __VERIFIER_nondet_uchar() [L205] input_237 = __VERIFIER_nondet_uchar() [L206] input_238 = __VERIFIER_nondet_uchar() [L207] input_245 = __VERIFIER_nondet_uchar() [L208] input_248 = __VERIFIER_nondet_uchar() [L209] input_251 = __VERIFIER_nondet_uchar() [L210] input_261 = __VERIFIER_nondet_uchar() [L211] input_276 = __VERIFIER_nondet_uchar() [L212] input_280 = __VERIFIER_nondet_uchar() [L213] input_281 = __VERIFIER_nondet_uchar() [L214] input_282 = __VERIFIER_nondet_uchar() [L215] input_283 = __VERIFIER_nondet_uchar() [L216] input_287 = __VERIFIER_nondet_uchar() [L217] input_292 = __VERIFIER_nondet_uchar() [L218] input_301 = __VERIFIER_nondet_uchar() [L219] input_311 = __VERIFIER_nondet_uchar() [L220] input_312 = __VERIFIER_nondet_uchar() [L221] input_313 = __VERIFIER_nondet_uchar() [L222] input_314 = __VERIFIER_nondet_uchar() [L223] input_320 = __VERIFIER_nondet_uchar() [L224] input_326 = __VERIFIER_nondet_uchar() [L225] input_333 = __VERIFIER_nondet_uchar() [L226] input_334 = __VERIFIER_nondet_uchar() [L227] input_335 = __VERIFIER_nondet_uchar() [L228] input_338 = __VERIFIER_nondet_uchar() [L229] input_340 = __VERIFIER_nondet_uchar() [L230] input_344 = __VERIFIER_nondet_uchar() [L231] input_345 = __VERIFIER_nondet_uchar() [L232] input_349 = __VERIFIER_nondet_uchar() [L233] input_354 = __VERIFIER_nondet_uchar() [L234] input_372 = __VERIFIER_nondet_uchar() [L235] input_373 = __VERIFIER_nondet_uchar() [L236] input_374 = __VERIFIER_nondet_uchar() [L237] input_375 = __VERIFIER_nondet_uchar() [L238] input_380 = __VERIFIER_nondet_uchar() [L239] input_383 = __VERIFIER_nondet_uchar() [L240] input_391 = __VERIFIER_nondet_uchar() [L241] input_398 = __VERIFIER_nondet_uchar() [L242] input_399 = __VERIFIER_nondet_uchar() [L243] input_400 = __VERIFIER_nondet_uchar() [L244] input_403 = __VERIFIER_nondet_uchar() [L245] input_405 = __VERIFIER_nondet_uchar() [L246] input_410 = __VERIFIER_nondet_uchar() [L247] input_419 = __VERIFIER_nondet_uchar() [L248] input_430 = __VERIFIER_nondet_uchar() [L249] input_431 = __VERIFIER_nondet_uchar() [L250] input_432 = __VERIFIER_nondet_uchar() [L251] input_433 = __VERIFIER_nondet_uchar() [L252] input_438 = __VERIFIER_nondet_uchar() [L253] input_441 = __VERIFIER_nondet_uchar() [L254] input_444 = __VERIFIER_nondet_uchar() [L255] input_454 = __VERIFIER_nondet_uchar() [L258] SORT_1 var_15_arg_0 = var_14; [L259] SORT_10 var_15_arg_1 = state_12; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_15_arg_0=0, var_15_arg_1=0, var_16=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L260] EXPR ((SORT_9)var_15_arg_0 << 3) | var_15_arg_1 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L260] SORT_9 var_15 = ((SORT_9)var_15_arg_0 << 3) | var_15_arg_1; [L261] SORT_4 var_19_arg_0 = state_17; [L262] SORT_1 var_19_arg_1 = var_14; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_15=0, var_16=0, var_19_arg_0=0, var_19_arg_1=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L263] EXPR ((SORT_10)var_19_arg_0 << 1) | var_19_arg_1 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_15=0, var_16=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L263] SORT_10 var_19 = ((SORT_10)var_19_arg_0 << 1) | var_19_arg_1; [L264] EXPR var_19 & mask_SORT_10 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_15=0, var_16=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L264] var_19 = var_19 & mask_SORT_10 [L265] SORT_1 var_20_arg_0 = var_14; [L266] SORT_10 var_20_arg_1 = var_19; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_15=0, var_16=0, var_20_arg_0=0, var_20_arg_1=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L267] EXPR ((SORT_9)var_20_arg_0 << 3) | var_20_arg_1 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_15=0, var_16=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L267] SORT_9 var_20 = ((SORT_9)var_20_arg_0 << 3) | var_20_arg_1; [L268] SORT_9 var_21_arg_0 = var_15; [L269] SORT_9 var_21_arg_1 = var_20; [L270] SORT_9 var_21 = var_21_arg_0 + var_21_arg_1; [L271] SORT_1 var_24_arg_0 = var_14; [L272] SORT_1 var_24_arg_1 = state_22; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_21=0, var_24_arg_0=0, var_24_arg_1=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L273] EXPR ((SORT_4)var_24_arg_0 << 1) | var_24_arg_1 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_21=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L273] SORT_4 var_24 = ((SORT_4)var_24_arg_0 << 1) | var_24_arg_1; [L274] EXPR var_24 & mask_SORT_4 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_21=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L274] var_24 = var_24 & mask_SORT_4 [L275] SORT_1 var_25_arg_0 = state_22; [L276] SORT_4 var_25_arg_1 = var_24; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_21=0, var_25_arg_0=0, var_25_arg_1=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L277] EXPR ((SORT_10)var_25_arg_0 << 2) | var_25_arg_1 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_21=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L277] SORT_10 var_25 = ((SORT_10)var_25_arg_0 << 2) | var_25_arg_1; [L278] EXPR var_25 & mask_SORT_10 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_21=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L278] var_25 = var_25 & mask_SORT_10 [L279] SORT_1 var_26_arg_0 = var_14; [L280] SORT_10 var_26_arg_1 = var_25; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_21=0, var_26_arg_0=0, var_26_arg_1=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L281] EXPR ((SORT_9)var_26_arg_0 << 3) | var_26_arg_1 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_21=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L281] SORT_9 var_26 = ((SORT_9)var_26_arg_0 << 3) | var_26_arg_1; [L282] SORT_9 var_27_arg_0 = var_21; [L283] SORT_9 var_27_arg_1 = var_26; [L284] SORT_9 var_27 = var_27_arg_0 + var_27_arg_1; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L285] EXPR var_27 & mask_SORT_9 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L285] var_27 = var_27 & mask_SORT_9 [L286] SORT_9 var_28_arg_0 = var_27; [L287] SORT_1 var_28 = var_28_arg_0 >> 3; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_28=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L288] EXPR var_28 & mask_SORT_1 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L288] var_28 = var_28 & mask_SORT_1 [L289] SORT_1 var_29_arg_0 = var_28; [L290] SORT_1 var_29_arg_1 = var_14; [L291] SORT_1 var_29 = var_29_arg_0 == var_29_arg_1; [L292] SORT_9 var_30_arg_0 = var_27; [L293] SORT_4 var_30 = var_30_arg_0 >> 1; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_28=0, var_29=1, var_30=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L294] EXPR var_30 & mask_SORT_4 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_28=0, var_29=1, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L294] var_30 = var_30 & mask_SORT_4 [L295] SORT_4 var_31_arg_0 = var_30; [L296] SORT_4 var_31_arg_1 = var_16; [L297] SORT_1 var_31 = var_31_arg_0 == var_31_arg_1; [L298] SORT_1 var_32_arg_0 = var_29; [L299] SORT_1 var_32_arg_1 = var_31; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_28=0, var_315=1, var_32_arg_0=1, var_32_arg_1=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L300] EXPR var_32_arg_0 | var_32_arg_1 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_28=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L300] SORT_1 var_32 = var_32_arg_0 | var_32_arg_1; [L301] SORT_9 var_34_arg_0 = var_27; [L302] SORT_9 var_34_arg_1 = var_33; [L303] SORT_1 var_34 = var_34_arg_0 == var_34_arg_1; [L304] SORT_1 var_35_arg_0 = var_34; [L305] SORT_1 var_35 = ~var_35_arg_0; [L306] SORT_10 var_36_arg_0 = state_12; [L307] SORT_10 var_36_arg_1 = var_11; [L308] SORT_1 var_36 = var_36_arg_0 == var_36_arg_1; [L309] SORT_1 var_37_arg_0 = var_36; [L310] SORT_1 var_37 = ~var_37_arg_0; [L311] SORT_1 var_38_arg_0 = var_35; [L312] SORT_1 var_38_arg_1 = var_37; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_28=0, var_315=1, var_32=1, var_33=8, var_38_arg_0=-1, var_38_arg_1=-2, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L313] EXPR var_38_arg_0 | var_38_arg_1 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_28=0, var_315=1, var_32=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L313] SORT_1 var_38 = var_38_arg_0 | var_38_arg_1; [L314] SORT_1 var_39_arg_0 = var_32; [L315] SORT_1 var_39_arg_1 = var_38; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_28=0, var_315=1, var_33=8, var_39_arg_0=1, var_39_arg_1=256, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L316] EXPR var_39_arg_0 & var_39_arg_1 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_28=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L316] SORT_1 var_39 = var_39_arg_0 & var_39_arg_1; [L317] SORT_9 var_41_arg_0 = var_27; [L318] SORT_9 var_41_arg_1 = var_40; [L319] SORT_1 var_41 = var_41_arg_0 == var_41_arg_1; [L320] SORT_1 var_42_arg_0 = var_41; [L321] SORT_1 var_42 = ~var_42_arg_0; [L322] SORT_10 var_43_arg_0 = state_12; [L323] SORT_10 var_43_arg_1 = var_11; [L324] SORT_1 var_43 = var_43_arg_0 == var_43_arg_1; [L325] SORT_1 var_44_arg_0 = var_43; [L326] SORT_1 var_44 = ~var_44_arg_0; [L327] SORT_4 var_45_arg_0 = state_17; [L328] SORT_4 var_45_arg_1 = var_16; [L329] SORT_1 var_45 = var_45_arg_0 == var_45_arg_1; [L330] SORT_1 var_46_arg_0 = var_45; [L331] SORT_1 var_46 = ~var_46_arg_0; [L332] SORT_1 var_47_arg_0 = var_44; [L333] SORT_1 var_47_arg_1 = var_46; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_28=0, var_315=1, var_33=8, var_39=0, var_40=7, var_42=-1, var_47_arg_0=-2, var_47_arg_1=-2, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L334] EXPR var_47_arg_0 | var_47_arg_1 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_28=0, var_315=1, var_33=8, var_39=0, var_40=7, var_42=-1, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L334] SORT_1 var_47 = var_47_arg_0 | var_47_arg_1; [L335] SORT_1 var_48_arg_0 = var_42; [L336] SORT_1 var_48_arg_1 = var_47; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_28=0, var_315=1, var_33=8, var_39=0, var_40=7, var_48_arg_0=-1, var_48_arg_1=254, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L337] EXPR var_48_arg_0 | var_48_arg_1 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_28=0, var_315=1, var_33=8, var_39=0, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L337] SORT_1 var_48 = var_48_arg_0 | var_48_arg_1; [L338] SORT_1 var_49_arg_0 = var_39; [L339] SORT_1 var_49_arg_1 = var_48; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_28=0, var_315=1, var_33=8, var_40=7, var_49_arg_0=0, var_49_arg_1=256, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L340] EXPR var_49_arg_0 & var_49_arg_1 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_28=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L340] SORT_1 var_49 = var_49_arg_0 & var_49_arg_1; [L341] SORT_4 var_53_arg_0 = state_50; [L342] SORT_4 var_53_arg_1 = var_52; [L343] SORT_1 var_53 = var_53_arg_0 == var_53_arg_1; [L344] SORT_9 var_54_arg_0 = var_27; [L345] SORT_9 var_54_arg_1 = var_40; [L346] SORT_1 var_54 = var_54_arg_0 == var_54_arg_1; [L347] SORT_1 var_55_arg_0 = var_53; [L348] SORT_1 var_55_arg_1 = var_54; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_28=0, var_315=1, var_33=8, var_40=7, var_49=0, var_52=1, var_55_arg_0=0, var_55_arg_1=0, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L349] EXPR var_55_arg_0 & var_55_arg_1 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_28=0, var_315=1, var_33=8, var_40=7, var_49=0, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L349] SORT_1 var_55 = var_55_arg_0 & var_55_arg_1; [L350] SORT_1 var_57_arg_0 = var_28; [L351] SORT_1 var_57_arg_1 = var_56; [L352] SORT_1 var_57 = var_57_arg_0 == var_57_arg_1; [L353] SORT_1 var_58_arg_0 = var_55; [L354] SORT_1 var_58_arg_1 = var_57; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_49=0, var_52=1, var_56=1, var_58_arg_0=0, var_58_arg_1=0, var_66=2, var_72=0, var_79=3, var_98=5] [L355] EXPR var_58_arg_0 | var_58_arg_1 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_49=0, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L355] SORT_1 var_58 = var_58_arg_0 | var_58_arg_1; [L356] SORT_1 var_59_arg_0 = var_58; [L357] SORT_1 var_59 = ~var_59_arg_0; [L358] SORT_10 var_60_arg_0 = state_12; [L359] SORT_10 var_60_arg_1 = var_11; [L360] SORT_1 var_60 = var_60_arg_0 == var_60_arg_1; [L361] SORT_4 var_61_arg_0 = state_17; [L362] SORT_4 var_61_arg_1 = var_16; [L363] SORT_1 var_61 = var_61_arg_0 == var_61_arg_1; [L364] SORT_1 var_62_arg_0 = var_60; [L365] SORT_1 var_62_arg_1 = var_61; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_49=0, var_52=1, var_56=1, var_59=-1, var_62_arg_0=1, var_62_arg_1=1, var_66=2, var_72=0, var_79=3, var_98=5] [L366] EXPR var_62_arg_0 & var_62_arg_1 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_49=0, var_52=1, var_56=1, var_59=-1, var_66=2, var_72=0, var_79=3, var_98=5] [L366] SORT_1 var_62 = var_62_arg_0 & var_62_arg_1; [L367] SORT_1 var_63_arg_0 = var_62; [L368] SORT_1 var_63 = ~var_63_arg_0; [L369] SORT_1 var_64_arg_0 = var_59; [L370] SORT_1 var_64_arg_1 = var_63; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_49=0, var_52=1, var_56=1, var_64_arg_0=-1, var_64_arg_1=-2, var_66=2, var_72=0, var_79=3, var_98=5] [L371] EXPR var_64_arg_0 | var_64_arg_1 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_49=0, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L371] SORT_1 var_64 = var_64_arg_0 | var_64_arg_1; [L372] SORT_1 var_65_arg_0 = var_49; [L373] SORT_1 var_65_arg_1 = var_64; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_65_arg_0=0, var_65_arg_1=256, var_66=2, var_72=0, var_79=3, var_98=5] [L374] EXPR var_65_arg_0 & var_65_arg_1 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L374] SORT_1 var_65 = var_65_arg_0 & var_65_arg_1; [L375] SORT_4 var_67_arg_0 = state_50; [L376] SORT_4 var_67_arg_1 = var_66; [L377] SORT_1 var_67 = var_67_arg_0 == var_67_arg_1; [L378] SORT_1 var_68_arg_0 = var_67; [L379] SORT_1 var_68 = ~var_68_arg_0; [L380] SORT_1 var_69_arg_0 = state_22; [L381] SORT_1 var_69_arg_1 = var_14; [L382] SORT_1 var_69 = var_69_arg_0 == var_69_arg_1; [L383] SORT_10 var_70_arg_0 = state_12; [L384] SORT_10 var_70_arg_1 = var_11; [L385] SORT_1 var_70 = var_70_arg_0 == var_70_arg_1; [L386] SORT_1 var_71_arg_0 = var_69; [L387] SORT_1 var_71_arg_1 = var_70; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_65=0, var_66=2, var_68=-1, var_71_arg_0=1, var_71_arg_1=1, var_72=0, var_79=3, var_98=5] [L388] EXPR var_71_arg_0 & var_71_arg_1 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_65=0, var_66=2, var_68=-1, var_72=0, var_79=3, var_98=5] [L388] SORT_1 var_71 = var_71_arg_0 & var_71_arg_1; [L389] SORT_9 var_75_arg_0 = state_73; [L390] SORT_9 var_75_arg_1 = var_72; [L391] SORT_1 var_75 = var_75_arg_0 == var_75_arg_1; [L392] SORT_1 var_76_arg_0 = var_71; [L393] SORT_1 var_76_arg_1 = var_75; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_65=0, var_66=2, var_68=-1, var_72=0, var_76_arg_0=1, var_76_arg_1=1, var_79=3, var_98=5] [L394] EXPR var_76_arg_0 & var_76_arg_1 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_65=0, var_66=2, var_68=-1, var_72=0, var_79=3, var_98=5] [L394] SORT_1 var_76 = var_76_arg_0 & var_76_arg_1; [L395] SORT_1 var_77_arg_0 = var_68; [L396] SORT_1 var_77_arg_1 = var_76; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_65=0, var_66=2, var_72=0, var_77_arg_0=-1, var_77_arg_1=1, var_79=3, var_98=5] [L397] EXPR var_77_arg_0 | var_77_arg_1 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_65=0, var_66=2, var_72=0, var_79=3, var_98=5] [L397] SORT_1 var_77 = var_77_arg_0 | var_77_arg_1; [L398] SORT_1 var_78_arg_0 = var_65; [L399] SORT_1 var_78_arg_1 = var_77; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_78_arg_0=0, var_78_arg_1=256, var_79=3, var_98=5] [L400] EXPR var_78_arg_0 & var_78_arg_1 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L400] SORT_1 var_78 = var_78_arg_0 & var_78_arg_1; [L401] SORT_4 var_80_arg_0 = state_50; [L402] SORT_4 var_80_arg_1 = var_79; [L403] SORT_1 var_80 = var_80_arg_0 == var_80_arg_1; [L404] SORT_1 var_81_arg_0 = var_80; [L405] SORT_1 var_81 = ~var_81_arg_0; [L406] SORT_9 var_82_arg_0 = var_27; [L407] SORT_4 var_82 = var_82_arg_0 >> 2; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_78=0, var_79=3, var_81=-1, var_82=0, var_98=5] [L408] EXPR var_82 & mask_SORT_4 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_78=0, var_79=3, var_81=-1, var_98=5] [L408] var_82 = var_82 & mask_SORT_4 [L409] SORT_4 var_83_arg_0 = var_82; [L410] SORT_4 var_83_arg_1 = var_52; [L411] SORT_1 var_83 = var_83_arg_0 == var_83_arg_1; [L412] SORT_9 var_84_arg_0 = var_27; [L413] SORT_4 var_84 = var_84_arg_0 >> 0; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_78=0, var_79=3, var_81=-1, var_83=0, var_84=0, var_98=5] [L414] EXPR var_84 & mask_SORT_4 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_78=0, var_79=3, var_81=-1, var_83=0, var_98=5] [L414] var_84 = var_84 & mask_SORT_4 [L415] SORT_4 var_85_arg_0 = var_84; [L416] SORT_4 var_85_arg_1 = var_52; [L417] SORT_1 var_85 = var_85_arg_0 == var_85_arg_1; [L418] SORT_4 var_86_arg_0 = var_84; [L419] SORT_4 var_86_arg_1 = var_66; [L420] SORT_1 var_86 = var_86_arg_0 == var_86_arg_1; [L421] SORT_1 var_87_arg_0 = var_85; [L422] SORT_1 var_87_arg_1 = var_86; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_78=0, var_79=3, var_81=-1, var_83=0, var_87_arg_0=0, var_87_arg_1=0, var_98=5] [L423] EXPR var_87_arg_0 | var_87_arg_1 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_78=0, var_79=3, var_81=-1, var_83=0, var_98=5] [L423] SORT_1 var_87 = var_87_arg_0 | var_87_arg_1; [L424] SORT_1 var_88_arg_0 = var_83; [L425] SORT_1 var_88_arg_1 = var_87; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_78=0, var_79=3, var_81=-1, var_88_arg_0=0, var_88_arg_1=0, var_98=5] [L426] EXPR var_88_arg_0 & var_88_arg_1 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_78=0, var_79=3, var_81=-1, var_98=5] [L426] SORT_1 var_88 = var_88_arg_0 & var_88_arg_1; [L427] SORT_1 var_89_arg_0 = var_81; [L428] SORT_1 var_89_arg_1 = var_88; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_78=0, var_79=3, var_89_arg_0=-1, var_89_arg_1=0, var_98=5] [L429] EXPR var_89_arg_0 | var_89_arg_1 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_78=0, var_79=3, var_98=5] [L429] SORT_1 var_89 = var_89_arg_0 | var_89_arg_1; [L430] SORT_1 var_90_arg_0 = var_78; [L431] SORT_1 var_90_arg_1 = var_89; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_90_arg_0=0, var_90_arg_1=255, var_98=5] [L432] EXPR var_90_arg_0 & var_90_arg_1 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L432] SORT_1 var_90 = var_90_arg_0 & var_90_arg_1; [L433] SORT_1 var_93_arg_0 = var_90; [L434] SORT_1 var_93 = ~var_93_arg_0; [L435] SORT_1 var_94_arg_0 = var_56; [L436] SORT_1 var_94_arg_1 = var_93; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_94_arg_0=1, var_94_arg_1=-1, var_98=5] [L437] EXPR var_94_arg_0 & var_94_arg_1 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L437] SORT_1 var_94 = var_94_arg_0 & var_94_arg_1; [L438] EXPR var_94 & mask_SORT_1 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L438] var_94 = var_94 & mask_SORT_1 [L439] SORT_1 bad_95_arg_0 = var_94; [L440] CALL __VERIFIER_assert(!(bad_95_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 323 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 30.7s, OverallIterations: 33, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 7.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16150 SdHoareTripleChecker+Valid, 5.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16150 mSDsluCounter, 77918 SdHoareTripleChecker+Invalid, 4.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 62219 mSDsCounter, 26 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7230 IncrementalHoareTripleChecker+Invalid, 7256 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 26 mSolverCounterUnsat, 15699 mSDtfsCounter, 7230 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 288 GetRequests, 62 SyntacticMatches, 4 SemanticMatches, 222 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 296 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2017occurred in iteration=21, InterpolantAutomatonStates: 221, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 32 MinimizatonAttempts, 3566 StatesRemovedByMinimization, 22 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 3.5s SatisfiabilityAnalysisTime, 17.4s InterpolantComputationTime, 3520 NumberOfCodeBlocks, 3520 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 3375 ConstructedInterpolants, 0 QuantifiedInterpolants, 15804 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 32 InterpolantComputations, 32 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-10-11 06:12:50,073 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Vending.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 64bit --witnessprinter.graph.data.programhash 6b894aafaf217d6baa0c5f761ec3f51539bf2a720cb529b8ece9095e2a660f16 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 06:12:52,070 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 06:12:52,136 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-10-11 06:12:52,143 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 06:12:52,144 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 06:12:52,173 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 06:12:52,174 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 06:12:52,174 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 06:12:52,175 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 06:12:52,178 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 06:12:52,179 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 06:12:52,179 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 06:12:52,180 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 06:12:52,180 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 06:12:52,180 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 06:12:52,180 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 06:12:52,180 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 06:12:52,181 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 06:12:52,181 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 06:12:52,181 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 06:12:52,181 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 06:12:52,186 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-11 06:12:52,187 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-11 06:12:52,187 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 06:12:52,187 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-11 06:12:52,187 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 06:12:52,187 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 06:12:52,188 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 06:12:52,188 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 06:12:52,189 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 06:12:52,189 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 06:12:52,189 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 06:12:52,189 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 06:12:52,189 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 06:12:52,189 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 06:12:52,190 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-11 06:12:52,190 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-11 06:12:52,190 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 06:12:52,191 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 06:12:52,191 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 06:12:52,191 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 06:12:52,192 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-11 06:12:52,192 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b894aafaf217d6baa0c5f761ec3f51539bf2a720cb529b8ece9095e2a660f16 [2024-10-11 06:12:52,454 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 06:12:52,471 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 06:12:52,474 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 06:12:52,475 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 06:12:52,475 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 06:12:52,477 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Vending.c [2024-10-11 06:12:53,902 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 06:12:54,124 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 06:12:54,124 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Vending.c [2024-10-11 06:12:54,146 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/1cc3e9175/6e02c92efaa54d419568e484c8452e69/FLAG4c2097558 [2024-10-11 06:12:54,163 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/1cc3e9175/6e02c92efaa54d419568e484c8452e69 [2024-10-11 06:12:54,165 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 06:12:54,167 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 06:12:54,168 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 06:12:54,168 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 06:12:54,173 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 06:12:54,173 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 06:12:54" (1/1) ... [2024-10-11 06:12:54,175 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c6dd493 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:12:54, skipping insertion in model container [2024-10-11 06:12:54,176 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 06:12:54" (1/1) ... [2024-10-11 06:12:54,256 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 06:12:54,444 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Vending.c[1249,1262] [2024-10-11 06:12:54,668 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 06:12:54,679 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 06:12:54,691 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Vending.c[1249,1262] [2024-10-11 06:12:54,769 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 06:12:54,781 INFO L204 MainTranslator]: Completed translation [2024-10-11 06:12:54,782 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:12:54 WrapperNode [2024-10-11 06:12:54,782 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 06:12:54,783 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 06:12:54,784 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 06:12:54,784 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 06:12:54,790 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:12:54" (1/1) ... [2024-10-11 06:12:54,823 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:12:54" (1/1) ... [2024-10-11 06:12:54,908 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1586 [2024-10-11 06:12:54,908 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 06:12:54,909 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 06:12:54,909 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 06:12:54,910 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 06:12:54,919 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:12:54" (1/1) ... [2024-10-11 06:12:54,919 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:12:54" (1/1) ... [2024-10-11 06:12:54,930 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:12:54" (1/1) ... [2024-10-11 06:12:54,992 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]. [2024-10-11 06:12:54,993 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:12:54" (1/1) ... [2024-10-11 06:12:54,993 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:12:54" (1/1) ... [2024-10-11 06:12:55,017 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:12:54" (1/1) ... [2024-10-11 06:12:55,021 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:12:54" (1/1) ... [2024-10-11 06:12:55,025 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:12:54" (1/1) ... [2024-10-11 06:12:55,030 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:12:54" (1/1) ... [2024-10-11 06:12:55,040 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 06:12:55,045 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 06:12:55,045 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 06:12:55,045 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 06:12:55,046 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:12:54" (1/1) ... [2024-10-11 06:12:55,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 06:12:55,075 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 06:12:55,089 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 06:12:55,092 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 06:12:55,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 06:12:55,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-11 06:12:55,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 06:12:55,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 06:12:55,376 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 06:12:55,377 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 06:12:56,254 INFO L? ?]: Removed 272 outVars from TransFormulas that were not future-live. [2024-10-11 06:12:56,254 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 06:12:56,304 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 06:12:56,304 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 06:12:56,304 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 06:12:56 BoogieIcfgContainer [2024-10-11 06:12:56,305 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 06:12:56,306 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 06:12:56,306 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 06:12:56,309 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 06:12:56,309 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 06:12:54" (1/3) ... [2024-10-11 06:12:56,310 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b117328 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 06:12:56, skipping insertion in model container [2024-10-11 06:12:56,310 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:12:54" (2/3) ... [2024-10-11 06:12:56,311 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b117328 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 06:12:56, skipping insertion in model container [2024-10-11 06:12:56,311 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 06:12:56" (3/3) ... [2024-10-11 06:12:56,312 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.h_Vending.c [2024-10-11 06:12:56,325 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 06:12:56,325 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 06:12:56,371 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 06:12:56,377 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;@e521190, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 06:12:56,378 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 06:12:56,381 INFO L276 IsEmpty]: Start isEmpty. Operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 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) [2024-10-11 06:12:56,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-10-11 06:12:56,385 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 06:12:56,386 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-10-11 06:12:56,387 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 06:12:56,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 06:12:56,392 INFO L85 PathProgramCache]: Analyzing trace with hash 1614770, now seen corresponding path program 1 times [2024-10-11 06:12:56,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 06:12:56,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [650703648] [2024-10-11 06:12:56,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 06:12:56,420 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 06:12:56,420 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 06:12:56,423 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-11 06:12:56,424 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-10-11 06:12:56,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 06:12:56,793 WARN L253 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 111 conjuncts are in the unsatisfiable core [2024-10-11 06:12:56,813 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 06:12:57,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 06:12:57,855 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 06:12:57,856 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 06:12:57,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [650703648] [2024-10-11 06:12:57,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [650703648] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 06:12:57,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 06:12:57,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 06:12:57,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122109498] [2024-10-11 06:12:57,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 06:12:57,862 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 06:12:57,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 06:12:57,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 06:12:57,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 06:12:57,883 INFO L87 Difference]: Start difference. First operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 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 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2024-10-11 06:12:58,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 06:12:58,018 INFO L93 Difference]: Finished difference Result 15 states and 20 transitions. [2024-10-11 06:12:58,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 06:12:58,020 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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 4 [2024-10-11 06:12:58,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 06:12:58,026 INFO L225 Difference]: With dead ends: 15 [2024-10-11 06:12:58,027 INFO L226 Difference]: Without dead ends: 9 [2024-10-11 06:12:58,029 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 06:12:58,032 INFO L432 NwaCegarLoop]: 2 mSDtfsCounter, 2 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 06:12:58,033 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 6 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 06:12:58,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2024-10-11 06:12:58,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2024-10-11 06:12:58,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 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) [2024-10-11 06:12:58,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2024-10-11 06:12:58,067 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 4 [2024-10-11 06:12:58,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 06:12:58,068 INFO L471 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2024-10-11 06:12:58,068 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2024-10-11 06:12:58,068 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2024-10-11 06:12:58,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-11 06:12:58,068 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 06:12:58,068 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2024-10-11 06:12:58,075 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-10-11 06:12:58,272 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 06:12:58,273 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 06:12:58,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 06:12:58,273 INFO L85 PathProgramCache]: Analyzing trace with hash 865745430, now seen corresponding path program 1 times [2024-10-11 06:12:58,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 06:12:58,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [249235084] [2024-10-11 06:12:58,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 06:12:58,274 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 06:12:58,275 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 06:12:58,277 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-11 06:12:58,278 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-10-11 06:12:58,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 06:12:58,857 INFO L255 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 173 conjuncts are in the unsatisfiable core [2024-10-11 06:12:58,878 INFO L278 TraceCheckSpWp]: Computing forward predicates...