./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.adding.2.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.2.prop1-func-interl.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2f01dddb47b5ae1b5d3586b27b8ee34d6afc00308bb90167839574641d1f43c9 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-12 21:55:27,977 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-12 21:55:28,042 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-12 21:55:28,048 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-12 21:55:28,048 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-12 21:55:28,080 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-12 21:55:28,081 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-12 21:55:28,081 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-12 21:55:28,081 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-12 21:55:28,082 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-12 21:55:28,082 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-12 21:55:28,082 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-12 21:55:28,083 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-12 21:55:28,083 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-12 21:55:28,083 INFO L153 SettingsManager]: * Use SBE=true [2024-10-12 21:55:28,084 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-12 21:55:28,087 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-12 21:55:28,087 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-12 21:55:28,088 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-12 21:55:28,088 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-12 21:55:28,088 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-12 21:55:28,089 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-12 21:55:28,089 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-12 21:55:28,089 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-12 21:55:28,089 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-12 21:55:28,090 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-12 21:55:28,090 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-12 21:55:28,090 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-12 21:55:28,090 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-12 21:55:28,090 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-12 21:55:28,091 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-12 21:55:28,091 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-12 21:55:28,091 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-12 21:55:28,091 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-12 21:55:28,092 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-12 21:55:28,092 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-12 21:55:28,092 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-12 21:55:28,096 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-12 21:55:28,097 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-12 21:55:28,097 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f01dddb47b5ae1b5d3586b27b8ee34d6afc00308bb90167839574641d1f43c9 [2024-10-12 21:55:28,308 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-12 21:55:28,333 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-12 21:55:28,335 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-12 21:55:28,336 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-12 21:55:28,336 INFO L274 PluginConnector]: CDTParser initialized [2024-10-12 21:55:28,337 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.2.prop1-func-interl.c [2024-10-12 21:55:29,717 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-12 21:55:29,902 INFO L384 CDTParser]: Found 1 translation units. [2024-10-12 21:55:29,903 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.2.prop1-func-interl.c [2024-10-12 21:55:29,911 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5f053e3c/4dbd10e19f7042228224b7e4741009b0/FLAG519ce0b38 [2024-10-12 21:55:29,921 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5f053e3c/4dbd10e19f7042228224b7e4741009b0 [2024-10-12 21:55:29,923 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-12 21:55:29,924 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-12 21:55:29,925 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-12 21:55:29,925 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-12 21:55:29,929 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-12 21:55:29,930 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 09:55:29" (1/1) ... [2024-10-12 21:55:29,930 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64a96a80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:55:29, skipping insertion in model container [2024-10-12 21:55:29,930 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 09:55:29" (1/1) ... [2024-10-12 21:55:29,959 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-12 21:55:30,117 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.adding.2.prop1-func-interl.c[1173,1186] [2024-10-12 21:55:30,244 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 21:55:30,254 INFO L200 MainTranslator]: Completed pre-run [2024-10-12 21:55:30,264 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.adding.2.prop1-func-interl.c[1173,1186] [2024-10-12 21:55:30,318 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 21:55:30,331 INFO L204 MainTranslator]: Completed translation [2024-10-12 21:55:30,331 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:55:30 WrapperNode [2024-10-12 21:55:30,332 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-12 21:55:30,333 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-12 21:55:30,333 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-12 21:55:30,333 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-12 21:55:30,339 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:55:30" (1/1) ... [2024-10-12 21:55:30,362 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:55:30" (1/1) ... [2024-10-12 21:55:30,503 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1645 [2024-10-12 21:55:30,503 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-12 21:55:30,505 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-12 21:55:30,505 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-12 21:55:30,505 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-12 21:55:30,514 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:55:30" (1/1) ... [2024-10-12 21:55:30,515 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:55:30" (1/1) ... [2024-10-12 21:55:30,551 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:55:30" (1/1) ... [2024-10-12 21:55:30,589 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]. [2024-10-12 21:55:30,589 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:55:30" (1/1) ... [2024-10-12 21:55:30,589 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:55:30" (1/1) ... [2024-10-12 21:55:30,620 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:55:30" (1/1) ... [2024-10-12 21:55:30,638 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:55:30" (1/1) ... [2024-10-12 21:55:30,656 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:55:30" (1/1) ... [2024-10-12 21:55:30,670 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:55:30" (1/1) ... [2024-10-12 21:55:30,693 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-12 21:55:30,695 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-12 21:55:30,695 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-12 21:55:30,695 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-12 21:55:30,696 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:55:30" (1/1) ... [2024-10-12 21:55:30,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-12 21:55:30,709 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 21:55:30,730 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-12 21:55:30,740 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-12 21:55:30,777 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-12 21:55:30,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-12 21:55:30,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-12 21:55:30,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-12 21:55:30,933 INFO L238 CfgBuilder]: Building ICFG [2024-10-12 21:55:30,936 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-12 21:55:32,334 INFO L? ?]: Removed 857 outVars from TransFormulas that were not future-live. [2024-10-12 21:55:32,335 INFO L287 CfgBuilder]: Performing block encoding [2024-10-12 21:55:32,367 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-12 21:55:32,368 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-12 21:55:32,368 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 09:55:32 BoogieIcfgContainer [2024-10-12 21:55:32,368 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-12 21:55:32,369 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-12 21:55:32,370 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-12 21:55:32,372 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-12 21:55:32,373 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 09:55:29" (1/3) ... [2024-10-12 21:55:32,373 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59416c8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 09:55:32, skipping insertion in model container [2024-10-12 21:55:32,373 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:55:30" (2/3) ... [2024-10-12 21:55:32,373 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59416c8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 09:55:32, skipping insertion in model container [2024-10-12 21:55:32,373 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 09:55:32" (3/3) ... [2024-10-12 21:55:32,374 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.adding.2.prop1-func-interl.c [2024-10-12 21:55:32,386 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-12 21:55:32,387 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-12 21:55:32,444 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-12 21:55:32,449 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;@24b9604e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-12 21:55:32,449 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-12 21:55:32,454 INFO L276 IsEmpty]: Start isEmpty. Operand has 594 states, 592 states have (on average 1.5050675675675675) internal successors, (891), 593 states have internal predecessors, (891), 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) [2024-10-12 21:55:32,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-10-12 21:55:32,461 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 21:55:32,461 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] [2024-10-12 21:55:32,462 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 21:55:32,465 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 21:55:32,465 INFO L85 PathProgramCache]: Analyzing trace with hash -77391275, now seen corresponding path program 1 times [2024-10-12 21:55:32,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 21:55:32,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461134054] [2024-10-12 21:55:32,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 21:55:32,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 21:55:32,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 21:55:32,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 21:55:32,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 21:55:32,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461134054] [2024-10-12 21:55:32,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461134054] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 21:55:32,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 21:55:32,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-12 21:55:32,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727227416] [2024-10-12 21:55:32,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 21:55:32,971 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-12 21:55:32,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 21:55:32,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-12 21:55:32,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-12 21:55:32,995 INFO L87 Difference]: Start difference. First operand has 594 states, 592 states have (on average 1.5050675675675675) internal successors, (891), 593 states have internal predecessors, (891), 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 14.5) internal successors, (58), 3 states have internal predecessors, (58), 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) [2024-10-12 21:55:33,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 21:55:33,110 INFO L93 Difference]: Finished difference Result 1146 states and 1721 transitions. [2024-10-12 21:55:33,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-12 21:55:33,112 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 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 58 [2024-10-12 21:55:33,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 21:55:33,123 INFO L225 Difference]: With dead ends: 1146 [2024-10-12 21:55:33,124 INFO L226 Difference]: Without dead ends: 593 [2024-10-12 21:55:33,127 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-12 21:55:33,129 INFO L432 NwaCegarLoop]: 880 mSDtfsCounter, 858 mSDsluCounter, 878 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 858 SdHoareTripleChecker+Valid, 1758 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-12 21:55:33,131 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [858 Valid, 1758 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-12 21:55:33,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2024-10-12 21:55:33,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 593. [2024-10-12 21:55:33,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 593 states, 592 states have (on average 1.5) internal successors, (888), 592 states have internal predecessors, (888), 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) [2024-10-12 21:55:33,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 593 states and 888 transitions. [2024-10-12 21:55:33,182 INFO L78 Accepts]: Start accepts. Automaton has 593 states and 888 transitions. Word has length 58 [2024-10-12 21:55:33,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 21:55:33,182 INFO L471 AbstractCegarLoop]: Abstraction has 593 states and 888 transitions. [2024-10-12 21:55:33,183 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 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) [2024-10-12 21:55:33,183 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 888 transitions. [2024-10-12 21:55:33,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-10-12 21:55:33,184 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 21:55:33,184 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] [2024-10-12 21:55:33,185 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-12 21:55:33,185 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 21:55:33,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 21:55:33,186 INFO L85 PathProgramCache]: Analyzing trace with hash -1473829471, now seen corresponding path program 1 times [2024-10-12 21:55:33,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 21:55:33,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869451846] [2024-10-12 21:55:33,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 21:55:33,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 21:55:33,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 21:55:33,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 21:55:33,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 21:55:33,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869451846] [2024-10-12 21:55:33,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1869451846] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 21:55:33,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 21:55:33,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-12 21:55:33,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135345160] [2024-10-12 21:55:33,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 21:55:33,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-12 21:55:33,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 21:55:33,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-12 21:55:33,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-12 21:55:33,485 INFO L87 Difference]: Start difference. First operand 593 states and 888 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 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) [2024-10-12 21:55:34,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 21:55:34,251 INFO L93 Difference]: Finished difference Result 1685 states and 2524 transitions. [2024-10-12 21:55:34,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-12 21:55:34,252 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 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 59 [2024-10-12 21:55:34,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 21:55:34,257 INFO L225 Difference]: With dead ends: 1685 [2024-10-12 21:55:34,257 INFO L226 Difference]: Without dead ends: 1133 [2024-10-12 21:55:34,258 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-12 21:55:34,261 INFO L432 NwaCegarLoop]: 665 mSDtfsCounter, 820 mSDsluCounter, 1930 mSDsCounter, 0 mSdLazyCounter, 896 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 820 SdHoareTripleChecker+Valid, 2595 SdHoareTripleChecker+Invalid, 896 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 896 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-12 21:55:34,262 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [820 Valid, 2595 Invalid, 896 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 896 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-12 21:55:34,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1133 states. [2024-10-12 21:55:34,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1133 to 659. [2024-10-12 21:55:34,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 659 states, 658 states have (on average 1.4984802431610942) internal successors, (986), 658 states have internal predecessors, (986), 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) [2024-10-12 21:55:34,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 986 transitions. [2024-10-12 21:55:34,301 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 986 transitions. Word has length 59 [2024-10-12 21:55:34,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 21:55:34,302 INFO L471 AbstractCegarLoop]: Abstraction has 659 states and 986 transitions. [2024-10-12 21:55:34,302 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 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) [2024-10-12 21:55:34,302 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 986 transitions. [2024-10-12 21:55:34,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-10-12 21:55:34,304 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 21:55:34,305 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] [2024-10-12 21:55:34,305 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-12 21:55:34,305 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 21:55:34,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 21:55:34,306 INFO L85 PathProgramCache]: Analyzing trace with hash -840005635, now seen corresponding path program 1 times [2024-10-12 21:55:34,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 21:55:34,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432615812] [2024-10-12 21:55:34,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 21:55:34,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 21:55:34,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 21:55:34,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 21:55:34,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 21:55:34,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432615812] [2024-10-12 21:55:34,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432615812] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 21:55:34,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 21:55:34,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-12 21:55:34,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743561171] [2024-10-12 21:55:34,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 21:55:34,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-12 21:55:34,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 21:55:34,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-12 21:55:34,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-12 21:55:34,510 INFO L87 Difference]: Start difference. First operand 659 states and 986 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 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) [2024-10-12 21:55:34,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 21:55:34,535 INFO L93 Difference]: Finished difference Result 663 states and 990 transitions. [2024-10-12 21:55:34,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-12 21:55:34,537 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 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 60 [2024-10-12 21:55:34,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 21:55:34,540 INFO L225 Difference]: With dead ends: 663 [2024-10-12 21:55:34,540 INFO L226 Difference]: Without dead ends: 661 [2024-10-12 21:55:34,540 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 [2024-10-12 21:55:34,541 INFO L432 NwaCegarLoop]: 885 mSDtfsCounter, 0 mSDsluCounter, 1765 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2650 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 [2024-10-12 21:55:34,541 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2650 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-12 21:55:34,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 661 states. [2024-10-12 21:55:34,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 661 to 661. [2024-10-12 21:55:34,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 661 states, 660 states have (on average 1.496969696969697) internal successors, (988), 660 states have internal predecessors, (988), 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) [2024-10-12 21:55:34,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 661 states and 988 transitions. [2024-10-12 21:55:34,553 INFO L78 Accepts]: Start accepts. Automaton has 661 states and 988 transitions. Word has length 60 [2024-10-12 21:55:34,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 21:55:34,553 INFO L471 AbstractCegarLoop]: Abstraction has 661 states and 988 transitions. [2024-10-12 21:55:34,554 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 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) [2024-10-12 21:55:34,554 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 988 transitions. [2024-10-12 21:55:34,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-10-12 21:55:34,555 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 21:55:34,555 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] [2024-10-12 21:55:34,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-12 21:55:34,556 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 21:55:34,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 21:55:34,556 INFO L85 PathProgramCache]: Analyzing trace with hash -268675373, now seen corresponding path program 1 times [2024-10-12 21:55:34,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 21:55:34,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160197559] [2024-10-12 21:55:34,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 21:55:34,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 21:55:34,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 21:55:34,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 21:55:34,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 21:55:34,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160197559] [2024-10-12 21:55:34,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160197559] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 21:55:34,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 21:55:34,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-12 21:55:34,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528922392] [2024-10-12 21:55:34,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 21:55:34,675 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-12 21:55:34,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 21:55:34,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-12 21:55:34,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-12 21:55:34,675 INFO L87 Difference]: Start difference. First operand 661 states and 988 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 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) [2024-10-12 21:55:34,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 21:55:34,713 INFO L93 Difference]: Finished difference Result 1217 states and 1820 transitions. [2024-10-12 21:55:34,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-12 21:55:34,714 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 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 61 [2024-10-12 21:55:34,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 21:55:34,716 INFO L225 Difference]: With dead ends: 1217 [2024-10-12 21:55:34,716 INFO L226 Difference]: Without dead ends: 663 [2024-10-12 21:55:34,717 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 [2024-10-12 21:55:34,718 INFO L432 NwaCegarLoop]: 885 mSDtfsCounter, 0 mSDsluCounter, 1762 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2647 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 [2024-10-12 21:55:34,720 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2647 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-12 21:55:34,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 663 states. [2024-10-12 21:55:34,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 663 to 663. [2024-10-12 21:55:34,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 663 states, 662 states have (on average 1.4954682779456194) internal successors, (990), 662 states have internal predecessors, (990), 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) [2024-10-12 21:55:34,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 663 states and 990 transitions. [2024-10-12 21:55:34,733 INFO L78 Accepts]: Start accepts. Automaton has 663 states and 990 transitions. Word has length 61 [2024-10-12 21:55:34,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 21:55:34,735 INFO L471 AbstractCegarLoop]: Abstraction has 663 states and 990 transitions. [2024-10-12 21:55:34,735 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 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) [2024-10-12 21:55:34,735 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 990 transitions. [2024-10-12 21:55:34,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-10-12 21:55:34,737 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 21:55:34,738 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 21:55:34,738 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-12 21:55:34,738 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 21:55:34,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 21:55:34,739 INFO L85 PathProgramCache]: Analyzing trace with hash -836967530, now seen corresponding path program 1 times [2024-10-12 21:55:34,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 21:55:34,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109981324] [2024-10-12 21:55:34,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 21:55:34,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 21:55:34,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 21:55:34,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 21:55:34,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 21:55:34,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109981324] [2024-10-12 21:55:34,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109981324] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 21:55:34,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 21:55:34,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-12 21:55:34,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891370433] [2024-10-12 21:55:34,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 21:55:34,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-12 21:55:34,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 21:55:34,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-12 21:55:34,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-12 21:55:34,969 INFO L87 Difference]: Start difference. First operand 663 states and 990 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 21:55:35,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 21:55:35,019 INFO L93 Difference]: Finished difference Result 1260 states and 1882 transitions. [2024-10-12 21:55:35,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-12 21:55:35,020 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2024-10-12 21:55:35,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 21:55:35,022 INFO L225 Difference]: With dead ends: 1260 [2024-10-12 21:55:35,023 INFO L226 Difference]: Without dead ends: 671 [2024-10-12 21:55:35,024 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-12 21:55:35,024 INFO L432 NwaCegarLoop]: 879 mSDtfsCounter, 4 mSDsluCounter, 2631 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 3510 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-12 21:55:35,025 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 3510 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-12 21:55:35,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 671 states. [2024-10-12 21:55:35,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 671 to 667. [2024-10-12 21:55:35,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 667 states, 666 states have (on average 1.4924924924924925) internal successors, (994), 666 states have internal predecessors, (994), 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) [2024-10-12 21:55:35,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 667 states and 994 transitions. [2024-10-12 21:55:35,042 INFO L78 Accepts]: Start accepts. Automaton has 667 states and 994 transitions. Word has length 62 [2024-10-12 21:55:35,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 21:55:35,042 INFO L471 AbstractCegarLoop]: Abstraction has 667 states and 994 transitions. [2024-10-12 21:55:35,043 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 21:55:35,043 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 994 transitions. [2024-10-12 21:55:35,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-10-12 21:55:35,043 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 21:55:35,043 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] [2024-10-12 21:55:35,044 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-12 21:55:35,044 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 21:55:35,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 21:55:35,044 INFO L85 PathProgramCache]: Analyzing trace with hash 916962471, now seen corresponding path program 1 times [2024-10-12 21:55:35,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 21:55:35,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717036824] [2024-10-12 21:55:35,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 21:55:35,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 21:55:35,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 21:55:35,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 21:55:35,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 21:55:35,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717036824] [2024-10-12 21:55:35,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717036824] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 21:55:35,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 21:55:35,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-12 21:55:35,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112460656] [2024-10-12 21:55:35,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 21:55:35,183 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-12 21:55:35,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 21:55:35,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-12 21:55:35,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-12 21:55:35,184 INFO L87 Difference]: Start difference. First operand 667 states and 994 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 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) [2024-10-12 21:55:35,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 21:55:35,218 INFO L93 Difference]: Finished difference Result 1260 states and 1879 transitions. [2024-10-12 21:55:35,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-12 21:55:35,218 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 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 63 [2024-10-12 21:55:35,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 21:55:35,221 INFO L225 Difference]: With dead ends: 1260 [2024-10-12 21:55:35,222 INFO L226 Difference]: Without dead ends: 663 [2024-10-12 21:55:35,223 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-12 21:55:35,225 INFO L432 NwaCegarLoop]: 884 mSDtfsCounter, 64 mSDsluCounter, 2587 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 3471 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-12 21:55:35,226 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 3471 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-12 21:55:35,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 663 states. [2024-10-12 21:55:35,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 663 to 663. [2024-10-12 21:55:35,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 663 states, 662 states have (on average 1.4909365558912386) internal successors, (987), 662 states have internal predecessors, (987), 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) [2024-10-12 21:55:35,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 663 states and 987 transitions. [2024-10-12 21:55:35,237 INFO L78 Accepts]: Start accepts. Automaton has 663 states and 987 transitions. Word has length 63 [2024-10-12 21:55:35,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 21:55:35,239 INFO L471 AbstractCegarLoop]: Abstraction has 663 states and 987 transitions. [2024-10-12 21:55:35,239 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 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) [2024-10-12 21:55:35,239 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 987 transitions. [2024-10-12 21:55:35,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-10-12 21:55:35,242 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 21:55:35,242 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] [2024-10-12 21:55:35,242 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-12 21:55:35,242 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 21:55:35,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 21:55:35,243 INFO L85 PathProgramCache]: Analyzing trace with hash 298525262, now seen corresponding path program 1 times [2024-10-12 21:55:35,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 21:55:35,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710789348] [2024-10-12 21:55:35,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 21:55:35,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 21:55:35,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 21:55:35,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 21:55:35,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 21:55:35,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710789348] [2024-10-12 21:55:35,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710789348] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 21:55:35,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 21:55:35,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-12 21:55:35,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972921272] [2024-10-12 21:55:35,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 21:55:35,516 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-12 21:55:35,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 21:55:35,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-12 21:55:35,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-12 21:55:35,517 INFO L87 Difference]: Start difference. First operand 663 states and 987 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 5 states have internal predecessors, (63), 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) [2024-10-12 21:55:35,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 21:55:35,653 INFO L93 Difference]: Finished difference Result 1272 states and 1899 transitions. [2024-10-12 21:55:35,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-12 21:55:35,654 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 5 states have internal predecessors, (63), 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 63 [2024-10-12 21:55:35,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 21:55:35,656 INFO L225 Difference]: With dead ends: 1272 [2024-10-12 21:55:35,656 INFO L226 Difference]: Without dead ends: 685 [2024-10-12 21:55:35,657 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-12 21:55:35,657 INFO L432 NwaCegarLoop]: 845 mSDtfsCounter, 866 mSDsluCounter, 2524 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 866 SdHoareTripleChecker+Valid, 3369 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-12 21:55:35,658 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [866 Valid, 3369 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-12 21:55:35,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 685 states. [2024-10-12 21:55:35,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 685 to 667. [2024-10-12 21:55:35,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 667 states, 666 states have (on average 1.487987987987988) internal successors, (991), 666 states have internal predecessors, (991), 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) [2024-10-12 21:55:35,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 667 states and 991 transitions. [2024-10-12 21:55:35,668 INFO L78 Accepts]: Start accepts. Automaton has 667 states and 991 transitions. Word has length 63 [2024-10-12 21:55:35,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 21:55:35,668 INFO L471 AbstractCegarLoop]: Abstraction has 667 states and 991 transitions. [2024-10-12 21:55:35,668 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 5 states have internal predecessors, (63), 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) [2024-10-12 21:55:35,668 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 991 transitions. [2024-10-12 21:55:35,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-10-12 21:55:35,669 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 21:55:35,669 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] [2024-10-12 21:55:35,669 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-12 21:55:35,669 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 21:55:35,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 21:55:35,670 INFO L85 PathProgramCache]: Analyzing trace with hash 874733053, now seen corresponding path program 1 times [2024-10-12 21:55:35,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 21:55:35,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482334504] [2024-10-12 21:55:35,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 21:55:35,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 21:55:35,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 21:55:35,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 21:55:35,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 21:55:35,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482334504] [2024-10-12 21:55:35,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482334504] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 21:55:35,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 21:55:35,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-12 21:55:35,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613236774] [2024-10-12 21:55:35,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 21:55:35,805 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-12 21:55:35,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 21:55:35,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-12 21:55:35,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-12 21:55:35,806 INFO L87 Difference]: Start difference. First operand 667 states and 991 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 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) [2024-10-12 21:55:35,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 21:55:35,903 INFO L93 Difference]: Finished difference Result 1271 states and 1895 transitions. [2024-10-12 21:55:35,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-12 21:55:35,904 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 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 64 [2024-10-12 21:55:35,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 21:55:35,906 INFO L225 Difference]: With dead ends: 1271 [2024-10-12 21:55:35,906 INFO L226 Difference]: Without dead ends: 687 [2024-10-12 21:55:35,907 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-12 21:55:35,907 INFO L432 NwaCegarLoop]: 876 mSDtfsCounter, 11 mSDsluCounter, 3478 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 4354 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-12 21:55:35,908 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 4354 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-12 21:55:35,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 687 states. [2024-10-12 21:55:35,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 687 to 671. [2024-10-12 21:55:35,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 671 states, 670 states have (on average 1.4880597014925374) internal successors, (997), 670 states have internal predecessors, (997), 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) [2024-10-12 21:55:35,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 671 states and 997 transitions. [2024-10-12 21:55:35,918 INFO L78 Accepts]: Start accepts. Automaton has 671 states and 997 transitions. Word has length 64 [2024-10-12 21:55:35,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 21:55:35,918 INFO L471 AbstractCegarLoop]: Abstraction has 671 states and 997 transitions. [2024-10-12 21:55:35,918 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 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) [2024-10-12 21:55:35,918 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 997 transitions. [2024-10-12 21:55:35,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-10-12 21:55:35,919 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 21:55:35,919 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] [2024-10-12 21:55:35,919 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-12 21:55:35,919 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 21:55:35,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 21:55:35,920 INFO L85 PathProgramCache]: Analyzing trace with hash 47938700, now seen corresponding path program 1 times [2024-10-12 21:55:35,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 21:55:35,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887473302] [2024-10-12 21:55:35,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 21:55:35,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 21:55:35,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 21:55:36,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 21:55:36,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 21:55:36,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887473302] [2024-10-12 21:55:36,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887473302] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 21:55:36,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 21:55:36,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-12 21:55:36,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437877687] [2024-10-12 21:55:36,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 21:55:36,072 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-12 21:55:36,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 21:55:36,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-12 21:55:36,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-12 21:55:36,073 INFO L87 Difference]: Start difference. First operand 671 states and 997 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 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) [2024-10-12 21:55:36,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 21:55:36,184 INFO L93 Difference]: Finished difference Result 1262 states and 1881 transitions. [2024-10-12 21:55:36,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-12 21:55:36,184 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 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 64 [2024-10-12 21:55:36,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 21:55:36,186 INFO L225 Difference]: With dead ends: 1262 [2024-10-12 21:55:36,187 INFO L226 Difference]: Without dead ends: 677 [2024-10-12 21:55:36,187 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-12 21:55:36,188 INFO L432 NwaCegarLoop]: 841 mSDtfsCounter, 850 mSDsluCounter, 830 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 850 SdHoareTripleChecker+Valid, 1671 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-12 21:55:36,188 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [850 Valid, 1671 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-12 21:55:36,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 677 states. [2024-10-12 21:55:36,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 677 to 673. [2024-10-12 21:55:36,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 673 states, 672 states have (on average 1.4836309523809523) internal successors, (997), 672 states have internal predecessors, (997), 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) [2024-10-12 21:55:36,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 997 transitions. [2024-10-12 21:55:36,201 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 997 transitions. Word has length 64 [2024-10-12 21:55:36,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 21:55:36,201 INFO L471 AbstractCegarLoop]: Abstraction has 673 states and 997 transitions. [2024-10-12 21:55:36,201 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 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) [2024-10-12 21:55:36,202 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 997 transitions. [2024-10-12 21:55:36,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-10-12 21:55:36,202 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 21:55:36,202 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] [2024-10-12 21:55:36,202 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-12 21:55:36,202 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 21:55:36,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 21:55:36,203 INFO L85 PathProgramCache]: Analyzing trace with hash -797597287, now seen corresponding path program 1 times [2024-10-12 21:55:36,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 21:55:36,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330817049] [2024-10-12 21:55:36,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 21:55:36,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 21:55:36,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 21:55:36,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 21:55:36,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 21:55:36,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330817049] [2024-10-12 21:55:36,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [330817049] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 21:55:36,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 21:55:36,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-12 21:55:36,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077320735] [2024-10-12 21:55:36,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 21:55:36,332 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-12 21:55:36,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 21:55:36,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-12 21:55:36,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-12 21:55:36,333 INFO L87 Difference]: Start difference. First operand 673 states and 997 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 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) [2024-10-12 21:55:36,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 21:55:36,362 INFO L93 Difference]: Finished difference Result 1263 states and 1872 transitions. [2024-10-12 21:55:36,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-12 21:55:36,363 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 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 64 [2024-10-12 21:55:36,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 21:55:36,365 INFO L225 Difference]: With dead ends: 1263 [2024-10-12 21:55:36,365 INFO L226 Difference]: Without dead ends: 665 [2024-10-12 21:55:36,366 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-12 21:55:36,367 INFO L432 NwaCegarLoop]: 873 mSDtfsCounter, 844 mSDsluCounter, 872 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 844 SdHoareTripleChecker+Valid, 1745 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 [2024-10-12 21:55:36,367 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [844 Valid, 1745 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-12 21:55:36,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2024-10-12 21:55:36,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 665. [2024-10-12 21:55:36,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 665 states, 664 states have (on average 1.4789156626506024) internal successors, (982), 664 states have internal predecessors, (982), 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) [2024-10-12 21:55:36,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 665 states and 982 transitions. [2024-10-12 21:55:36,379 INFO L78 Accepts]: Start accepts. Automaton has 665 states and 982 transitions. Word has length 64 [2024-10-12 21:55:36,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 21:55:36,379 INFO L471 AbstractCegarLoop]: Abstraction has 665 states and 982 transitions. [2024-10-12 21:55:36,380 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 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) [2024-10-12 21:55:36,380 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 982 transitions. [2024-10-12 21:55:36,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-10-12 21:55:36,380 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 21:55:36,381 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] [2024-10-12 21:55:36,381 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-12 21:55:36,381 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 21:55:36,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 21:55:36,381 INFO L85 PathProgramCache]: Analyzing trace with hash 444349030, now seen corresponding path program 1 times [2024-10-12 21:55:36,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 21:55:36,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855707361] [2024-10-12 21:55:36,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 21:55:36,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 21:55:36,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 21:55:36,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 21:55:36,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 21:55:36,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855707361] [2024-10-12 21:55:36,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [855707361] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 21:55:36,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 21:55:36,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-12 21:55:36,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775171649] [2024-10-12 21:55:36,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 21:55:36,632 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-12 21:55:36,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 21:55:36,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-12 21:55:36,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-10-12 21:55:36,633 INFO L87 Difference]: Start difference. First operand 665 states and 982 transitions. Second operand has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 9 states have internal predecessors, (65), 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) [2024-10-12 21:55:36,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 21:55:36,786 INFO L93 Difference]: Finished difference Result 1261 states and 1865 transitions. [2024-10-12 21:55:36,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-12 21:55:36,786 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 9 states have internal predecessors, (65), 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 65 [2024-10-12 21:55:36,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 21:55:36,789 INFO L225 Difference]: With dead ends: 1261 [2024-10-12 21:55:36,789 INFO L226 Difference]: Without dead ends: 687 [2024-10-12 21:55:36,789 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-10-12 21:55:36,790 INFO L432 NwaCegarLoop]: 858 mSDtfsCounter, 31 mSDsluCounter, 5067 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 5925 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-12 21:55:36,790 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 5925 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-12 21:55:36,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 687 states. [2024-10-12 21:55:36,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 687 to 680. [2024-10-12 21:55:36,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 680 states, 679 states have (on average 1.4727540500736378) internal successors, (1000), 679 states have internal predecessors, (1000), 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) [2024-10-12 21:55:36,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 680 states and 1000 transitions. [2024-10-12 21:55:36,799 INFO L78 Accepts]: Start accepts. Automaton has 680 states and 1000 transitions. Word has length 65 [2024-10-12 21:55:36,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 21:55:36,799 INFO L471 AbstractCegarLoop]: Abstraction has 680 states and 1000 transitions. [2024-10-12 21:55:36,800 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 9 states have internal predecessors, (65), 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) [2024-10-12 21:55:36,800 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 1000 transitions. [2024-10-12 21:55:36,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-10-12 21:55:36,800 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 21:55:36,800 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] [2024-10-12 21:55:36,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-12 21:55:36,800 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 21:55:36,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 21:55:36,801 INFO L85 PathProgramCache]: Analyzing trace with hash -978909792, now seen corresponding path program 1 times [2024-10-12 21:55:36,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 21:55:36,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378464589] [2024-10-12 21:55:36,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 21:55:36,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 21:55:36,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 21:55:37,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 21:55:37,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 21:55:37,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378464589] [2024-10-12 21:55:37,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378464589] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 21:55:37,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 21:55:37,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-12 21:55:37,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097055941] [2024-10-12 21:55:37,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 21:55:37,055 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-12 21:55:37,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 21:55:37,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-12 21:55:37,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-12 21:55:37,055 INFO L87 Difference]: Start difference. First operand 680 states and 1000 transitions. Second operand has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 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) [2024-10-12 21:55:37,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 21:55:37,167 INFO L93 Difference]: Finished difference Result 1266 states and 1868 transitions. [2024-10-12 21:55:37,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-12 21:55:37,168 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 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 66 [2024-10-12 21:55:37,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 21:55:37,170 INFO L225 Difference]: With dead ends: 1266 [2024-10-12 21:55:37,170 INFO L226 Difference]: Without dead ends: 689 [2024-10-12 21:55:37,171 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-12 21:55:37,171 INFO L432 NwaCegarLoop]: 857 mSDtfsCounter, 8 mSDsluCounter, 5127 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 5984 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-12 21:55:37,171 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 5984 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-12 21:55:37,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 689 states. [2024-10-12 21:55:37,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 689 to 684. [2024-10-12 21:55:37,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 684 states, 683 states have (on average 1.472913616398243) internal successors, (1006), 683 states have internal predecessors, (1006), 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) [2024-10-12 21:55:37,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 684 states and 1006 transitions. [2024-10-12 21:55:37,180 INFO L78 Accepts]: Start accepts. Automaton has 684 states and 1006 transitions. Word has length 66 [2024-10-12 21:55:37,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 21:55:37,181 INFO L471 AbstractCegarLoop]: Abstraction has 684 states and 1006 transitions. [2024-10-12 21:55:37,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 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) [2024-10-12 21:55:37,181 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 1006 transitions. [2024-10-12 21:55:37,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-10-12 21:55:37,181 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 21:55:37,182 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] [2024-10-12 21:55:37,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-12 21:55:37,182 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 21:55:37,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 21:55:37,182 INFO L85 PathProgramCache]: Analyzing trace with hash -2048340174, now seen corresponding path program 1 times [2024-10-12 21:55:37,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 21:55:37,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283034923] [2024-10-12 21:55:37,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 21:55:37,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 21:55:37,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 21:55:37,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 21:55:37,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 21:55:37,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283034923] [2024-10-12 21:55:37,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283034923] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 21:55:37,427 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 21:55:37,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-12 21:55:37,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989535753] [2024-10-12 21:55:37,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 21:55:37,427 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-12 21:55:37,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 21:55:37,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-12 21:55:37,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-10-12 21:55:37,428 INFO L87 Difference]: Start difference. First operand 684 states and 1006 transitions. Second operand has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 9 states have internal predecessors, (66), 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) [2024-10-12 21:55:37,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 21:55:37,584 INFO L93 Difference]: Finished difference Result 1289 states and 1900 transitions. [2024-10-12 21:55:37,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-12 21:55:37,584 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 9 states have internal predecessors, (66), 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 66 [2024-10-12 21:55:37,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 21:55:37,586 INFO L225 Difference]: With dead ends: 1289 [2024-10-12 21:55:37,586 INFO L226 Difference]: Without dead ends: 703 [2024-10-12 21:55:37,587 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-10-12 21:55:37,588 INFO L432 NwaCegarLoop]: 867 mSDtfsCounter, 18 mSDsluCounter, 5093 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 5960 SdHoareTripleChecker+Invalid, 248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-12 21:55:37,588 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 5960 Invalid, 248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-12 21:55:37,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 703 states. [2024-10-12 21:55:37,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 703 to 698. [2024-10-12 21:55:37,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 698 states, 697 states have (on average 1.4677187948350072) internal successors, (1023), 697 states have internal predecessors, (1023), 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) [2024-10-12 21:55:37,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 698 states and 1023 transitions. [2024-10-12 21:55:37,598 INFO L78 Accepts]: Start accepts. Automaton has 698 states and 1023 transitions. Word has length 66 [2024-10-12 21:55:37,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 21:55:37,599 INFO L471 AbstractCegarLoop]: Abstraction has 698 states and 1023 transitions. [2024-10-12 21:55:37,599 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 9 states have internal predecessors, (66), 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) [2024-10-12 21:55:37,599 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 1023 transitions. [2024-10-12 21:55:37,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-10-12 21:55:37,600 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 21:55:37,600 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 21:55:37,600 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-12 21:55:37,600 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 21:55:37,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 21:55:37,600 INFO L85 PathProgramCache]: Analyzing trace with hash 613104451, now seen corresponding path program 1 times [2024-10-12 21:55:37,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 21:55:37,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996544301] [2024-10-12 21:55:37,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 21:55:37,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 21:55:37,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 21:55:38,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 21:55:38,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 21:55:38,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996544301] [2024-10-12 21:55:38,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996544301] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 21:55:38,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 21:55:38,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 21:55:38,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567584799] [2024-10-12 21:55:38,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 21:55:38,074 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-12 21:55:38,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 21:55:38,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-12 21:55:38,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-10-12 21:55:38,075 INFO L87 Difference]: Start difference. First operand 698 states and 1023 transitions. Second operand has 8 states, 8 states have (on average 8.375) internal successors, (67), 7 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 21:55:38,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 21:55:38,268 INFO L93 Difference]: Finished difference Result 1321 states and 1942 transitions. [2024-10-12 21:55:38,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-12 21:55:38,269 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 7 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2024-10-12 21:55:38,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 21:55:38,271 INFO L225 Difference]: With dead ends: 1321 [2024-10-12 21:55:38,271 INFO L226 Difference]: Without dead ends: 738 [2024-10-12 21:55:38,272 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-10-12 21:55:38,272 INFO L432 NwaCegarLoop]: 832 mSDtfsCounter, 847 mSDsluCounter, 3300 mSDsCounter, 0 mSdLazyCounter, 267 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 847 SdHoareTripleChecker+Valid, 4132 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-12 21:55:38,272 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [847 Valid, 4132 Invalid, 267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 267 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-12 21:55:38,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 738 states. [2024-10-12 21:55:38,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 738 to 722. [2024-10-12 21:55:38,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 722 states, 721 states have (on average 1.463245492371706) internal successors, (1055), 721 states have internal predecessors, (1055), 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) [2024-10-12 21:55:38,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 722 states and 1055 transitions. [2024-10-12 21:55:38,283 INFO L78 Accepts]: Start accepts. Automaton has 722 states and 1055 transitions. Word has length 67 [2024-10-12 21:55:38,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 21:55:38,283 INFO L471 AbstractCegarLoop]: Abstraction has 722 states and 1055 transitions. [2024-10-12 21:55:38,284 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 7 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 21:55:38,284 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states and 1055 transitions. [2024-10-12 21:55:38,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-10-12 21:55:38,284 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 21:55:38,284 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 21:55:38,285 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-12 21:55:38,285 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 21:55:38,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 21:55:38,285 INFO L85 PathProgramCache]: Analyzing trace with hash -1319129964, now seen corresponding path program 1 times [2024-10-12 21:55:38,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 21:55:38,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366312740] [2024-10-12 21:55:38,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 21:55:38,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 21:55:38,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 21:55:38,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 21:55:38,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 21:55:38,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366312740] [2024-10-12 21:55:38,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366312740] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 21:55:38,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 21:55:38,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-12 21:55:38,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346984448] [2024-10-12 21:55:38,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 21:55:38,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-12 21:55:38,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 21:55:38,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-12 21:55:38,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-12 21:55:38,504 INFO L87 Difference]: Start difference. First operand 722 states and 1055 transitions. Second operand has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 21:55:38,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 21:55:38,569 INFO L93 Difference]: Finished difference Result 1323 states and 1941 transitions. [2024-10-12 21:55:38,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-12 21:55:38,570 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2024-10-12 21:55:38,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 21:55:38,572 INFO L225 Difference]: With dead ends: 1323 [2024-10-12 21:55:38,572 INFO L226 Difference]: Without dead ends: 730 [2024-10-12 21:55:38,573 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-10-12 21:55:38,573 INFO L432 NwaCegarLoop]: 876 mSDtfsCounter, 836 mSDsluCounter, 3480 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 836 SdHoareTripleChecker+Valid, 4356 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-12 21:55:38,573 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [836 Valid, 4356 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-12 21:55:38,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 730 states. [2024-10-12 21:55:38,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 730 to 730. [2024-10-12 21:55:38,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 730 states, 729 states have (on average 1.4609053497942386) internal successors, (1065), 729 states have internal predecessors, (1065), 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) [2024-10-12 21:55:38,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 730 states and 1065 transitions. [2024-10-12 21:55:38,583 INFO L78 Accepts]: Start accepts. Automaton has 730 states and 1065 transitions. Word has length 67 [2024-10-12 21:55:38,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 21:55:38,584 INFO L471 AbstractCegarLoop]: Abstraction has 730 states and 1065 transitions. [2024-10-12 21:55:38,584 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 21:55:38,584 INFO L276 IsEmpty]: Start isEmpty. Operand 730 states and 1065 transitions. [2024-10-12 21:55:38,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-10-12 21:55:38,585 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 21:55:38,585 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] [2024-10-12 21:55:38,585 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-12 21:55:38,585 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 21:55:38,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 21:55:38,586 INFO L85 PathProgramCache]: Analyzing trace with hash -1354404922, now seen corresponding path program 1 times [2024-10-12 21:55:38,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 21:55:38,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819532693] [2024-10-12 21:55:38,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 21:55:38,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 21:55:38,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 21:55:38,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 21:55:38,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 21:55:38,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819532693] [2024-10-12 21:55:38,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819532693] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 21:55:38,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 21:55:38,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-12 21:55:38,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708181680] [2024-10-12 21:55:38,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 21:55:38,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-12 21:55:38,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 21:55:38,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-12 21:55:38,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-12 21:55:38,799 INFO L87 Difference]: Start difference. First operand 730 states and 1065 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 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) [2024-10-12 21:55:38,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 21:55:38,873 INFO L93 Difference]: Finished difference Result 1846 states and 2714 transitions. [2024-10-12 21:55:38,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-12 21:55:38,873 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 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 68 [2024-10-12 21:55:38,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 21:55:38,877 INFO L225 Difference]: With dead ends: 1846 [2024-10-12 21:55:38,878 INFO L226 Difference]: Without dead ends: 1218 [2024-10-12 21:55:38,879 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-12 21:55:38,879 INFO L432 NwaCegarLoop]: 871 mSDtfsCounter, 2314 mSDsluCounter, 1713 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2314 SdHoareTripleChecker+Valid, 2584 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-12 21:55:38,879 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2314 Valid, 2584 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-12 21:55:38,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1218 states. [2024-10-12 21:55:38,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1218 to 710. [2024-10-12 21:55:38,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 710 states, 709 states have (on average 1.456981664315938) internal successors, (1033), 709 states have internal predecessors, (1033), 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) [2024-10-12 21:55:38,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 710 states and 1033 transitions. [2024-10-12 21:55:38,893 INFO L78 Accepts]: Start accepts. Automaton has 710 states and 1033 transitions. Word has length 68 [2024-10-12 21:55:38,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 21:55:38,893 INFO L471 AbstractCegarLoop]: Abstraction has 710 states and 1033 transitions. [2024-10-12 21:55:38,893 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 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) [2024-10-12 21:55:38,894 INFO L276 IsEmpty]: Start isEmpty. Operand 710 states and 1033 transitions. [2024-10-12 21:55:38,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-10-12 21:55:38,894 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 21:55:38,894 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] [2024-10-12 21:55:38,895 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-12 21:55:38,895 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 21:55:38,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 21:55:38,895 INFO L85 PathProgramCache]: Analyzing trace with hash -1124129643, now seen corresponding path program 1 times [2024-10-12 21:55:38,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 21:55:38,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906997776] [2024-10-12 21:55:38,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 21:55:38,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 21:55:38,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 21:55:39,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 21:55:39,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 21:55:39,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906997776] [2024-10-12 21:55:39,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906997776] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 21:55:39,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 21:55:39,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-12 21:55:39,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947344964] [2024-10-12 21:55:39,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 21:55:39,013 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-12 21:55:39,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 21:55:39,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-12 21:55:39,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-12 21:55:39,014 INFO L87 Difference]: Start difference. First operand 710 states and 1033 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 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) [2024-10-12 21:55:39,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 21:55:39,611 INFO L93 Difference]: Finished difference Result 1779 states and 2615 transitions. [2024-10-12 21:55:39,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-12 21:55:39,611 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 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 68 [2024-10-12 21:55:39,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 21:55:39,615 INFO L225 Difference]: With dead ends: 1779 [2024-10-12 21:55:39,615 INFO L226 Difference]: Without dead ends: 1190 [2024-10-12 21:55:39,616 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-12 21:55:39,616 INFO L432 NwaCegarLoop]: 658 mSDtfsCounter, 796 mSDsluCounter, 1906 mSDsCounter, 0 mSdLazyCounter, 895 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 796 SdHoareTripleChecker+Valid, 2564 SdHoareTripleChecker+Invalid, 895 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 895 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-12 21:55:39,616 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [796 Valid, 2564 Invalid, 895 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 895 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-12 21:55:39,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1190 states. [2024-10-12 21:55:39,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1190 to 712. [2024-10-12 21:55:39,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 712 states, 711 states have (on average 1.4556962025316456) internal successors, (1035), 711 states have internal predecessors, (1035), 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) [2024-10-12 21:55:39,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 712 states and 1035 transitions. [2024-10-12 21:55:39,627 INFO L78 Accepts]: Start accepts. Automaton has 712 states and 1035 transitions. Word has length 68 [2024-10-12 21:55:39,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 21:55:39,628 INFO L471 AbstractCegarLoop]: Abstraction has 712 states and 1035 transitions. [2024-10-12 21:55:39,628 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 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) [2024-10-12 21:55:39,628 INFO L276 IsEmpty]: Start isEmpty. Operand 712 states and 1035 transitions. [2024-10-12 21:55:39,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-10-12 21:55:39,628 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 21:55:39,629 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 21:55:39,629 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-12 21:55:39,629 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 21:55:39,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 21:55:39,629 INFO L85 PathProgramCache]: Analyzing trace with hash -168933896, now seen corresponding path program 1 times [2024-10-12 21:55:39,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 21:55:39,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102815098] [2024-10-12 21:55:39,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 21:55:39,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 21:55:39,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 21:55:40,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 21:55:40,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 21:55:40,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102815098] [2024-10-12 21:55:40,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102815098] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 21:55:40,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 21:55:40,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-12 21:55:40,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741684053] [2024-10-12 21:55:40,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 21:55:40,033 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-12 21:55:40,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 21:55:40,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-12 21:55:40,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-10-12 21:55:40,034 INFO L87 Difference]: Start difference. First operand 712 states and 1035 transitions. Second operand has 10 states, 10 states have (on average 6.9) internal successors, (69), 9 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 21:55:40,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 21:55:40,373 INFO L93 Difference]: Finished difference Result 1324 states and 1937 transitions. [2024-10-12 21:55:40,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-12 21:55:40,374 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.9) internal successors, (69), 9 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2024-10-12 21:55:40,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 21:55:40,381 INFO L225 Difference]: With dead ends: 1324 [2024-10-12 21:55:40,381 INFO L226 Difference]: Without dead ends: 732 [2024-10-12 21:55:40,382 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2024-10-12 21:55:40,382 INFO L432 NwaCegarLoop]: 834 mSDtfsCounter, 902 mSDsluCounter, 3298 mSDsCounter, 0 mSdLazyCounter, 309 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 902 SdHoareTripleChecker+Valid, 4132 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-12 21:55:40,382 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [902 Valid, 4132 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 309 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-12 21:55:40,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 732 states. [2024-10-12 21:55:40,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 732 to 720. [2024-10-12 21:55:40,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 720 states, 719 states have (on average 1.4561891515994436) internal successors, (1047), 719 states have internal predecessors, (1047), 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) [2024-10-12 21:55:40,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 720 states and 1047 transitions. [2024-10-12 21:55:40,406 INFO L78 Accepts]: Start accepts. Automaton has 720 states and 1047 transitions. Word has length 69 [2024-10-12 21:55:40,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 21:55:40,406 INFO L471 AbstractCegarLoop]: Abstraction has 720 states and 1047 transitions. [2024-10-12 21:55:40,406 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.9) internal successors, (69), 9 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 21:55:40,406 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 1047 transitions. [2024-10-12 21:55:40,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-10-12 21:55:40,407 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 21:55:40,407 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 21:55:40,407 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-12 21:55:40,411 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 21:55:40,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 21:55:40,411 INFO L85 PathProgramCache]: Analyzing trace with hash 1151419653, now seen corresponding path program 1 times [2024-10-12 21:55:40,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 21:55:40,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961762862] [2024-10-12 21:55:40,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 21:55:40,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 21:55:40,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 21:55:40,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 21:55:40,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 21:55:40,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961762862] [2024-10-12 21:55:40,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961762862] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 21:55:40,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 21:55:40,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 21:55:40,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368642289] [2024-10-12 21:55:40,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 21:55:40,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-12 21:55:40,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 21:55:40,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-12 21:55:40,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-12 21:55:40,789 INFO L87 Difference]: Start difference. First operand 720 states and 1047 transitions. Second operand has 8 states, 8 states have (on average 8.75) internal successors, (70), 7 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 21:55:41,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 21:55:41,075 INFO L93 Difference]: Finished difference Result 1354 states and 1972 transitions. [2024-10-12 21:55:41,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-12 21:55:41,076 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 7 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2024-10-12 21:55:41,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 21:55:41,078 INFO L225 Difference]: With dead ends: 1354 [2024-10-12 21:55:41,078 INFO L226 Difference]: Without dead ends: 732 [2024-10-12 21:55:41,079 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-10-12 21:55:41,080 INFO L432 NwaCegarLoop]: 830 mSDtfsCounter, 871 mSDsluCounter, 4140 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 871 SdHoareTripleChecker+Valid, 4970 SdHoareTripleChecker+Invalid, 305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-12 21:55:41,080 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [871 Valid, 4970 Invalid, 305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 304 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-12 21:55:41,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 732 states. [2024-10-12 21:55:41,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 732 to 723. [2024-10-12 21:55:41,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 723 states, 722 states have (on average 1.4529085872576177) internal successors, (1049), 722 states have internal predecessors, (1049), 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) [2024-10-12 21:55:41,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 723 states and 1049 transitions. [2024-10-12 21:55:41,089 INFO L78 Accepts]: Start accepts. Automaton has 723 states and 1049 transitions. Word has length 70 [2024-10-12 21:55:41,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 21:55:41,089 INFO L471 AbstractCegarLoop]: Abstraction has 723 states and 1049 transitions. [2024-10-12 21:55:41,089 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 7 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 21:55:41,089 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 1049 transitions. [2024-10-12 21:55:41,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-10-12 21:55:41,090 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 21:55:41,090 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 21:55:41,090 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-12 21:55:41,090 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 21:55:41,090 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 21:55:41,090 INFO L85 PathProgramCache]: Analyzing trace with hash 1851064050, now seen corresponding path program 1 times [2024-10-12 21:55:41,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 21:55:41,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502706094] [2024-10-12 21:55:41,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 21:55:41,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 21:55:41,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 21:55:41,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 21:55:41,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 21:55:41,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502706094] [2024-10-12 21:55:41,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502706094] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 21:55:41,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 21:55:41,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-12 21:55:41,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327343519] [2024-10-12 21:55:41,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 21:55:41,303 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-12 21:55:41,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 21:55:41,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-12 21:55:41,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-12 21:55:41,304 INFO L87 Difference]: Start difference. First operand 723 states and 1049 transitions. Second operand has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 21:55:41,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 21:55:41,418 INFO L93 Difference]: Finished difference Result 1337 states and 1949 transitions. [2024-10-12 21:55:41,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-12 21:55:41,419 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2024-10-12 21:55:41,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 21:55:41,421 INFO L225 Difference]: With dead ends: 1337 [2024-10-12 21:55:41,421 INFO L226 Difference]: Without dead ends: 730 [2024-10-12 21:55:41,422 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-12 21:55:41,423 INFO L432 NwaCegarLoop]: 860 mSDtfsCounter, 5 mSDsluCounter, 5142 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 6002 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-12 21:55:41,424 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 6002 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-12 21:55:41,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 730 states. [2024-10-12 21:55:41,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 730 to 713. [2024-10-12 21:55:41,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 713 states, 712 states have (on average 1.4592696629213484) internal successors, (1039), 712 states have internal predecessors, (1039), 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) [2024-10-12 21:55:41,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 713 states and 1039 transitions. [2024-10-12 21:55:41,435 INFO L78 Accepts]: Start accepts. Automaton has 713 states and 1039 transitions. Word has length 70 [2024-10-12 21:55:41,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 21:55:41,435 INFO L471 AbstractCegarLoop]: Abstraction has 713 states and 1039 transitions. [2024-10-12 21:55:41,435 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 21:55:41,436 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 1039 transitions. [2024-10-12 21:55:41,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-10-12 21:55:41,436 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 21:55:41,436 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 21:55:41,437 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-12 21:55:41,437 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 21:55:41,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 21:55:41,437 INFO L85 PathProgramCache]: Analyzing trace with hash 1026104982, now seen corresponding path program 1 times [2024-10-12 21:55:41,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 21:55:41,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637782521] [2024-10-12 21:55:41,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 21:55:41,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 21:55:41,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 21:55:41,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 21:55:41,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 21:55:41,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637782521] [2024-10-12 21:55:41,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637782521] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 21:55:41,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 21:55:41,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-12 21:55:41,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13292734] [2024-10-12 21:55:41,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 21:55:41,718 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-12 21:55:41,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 21:55:41,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-12 21:55:41,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-10-12 21:55:41,719 INFO L87 Difference]: Start difference. First operand 713 states and 1039 transitions. Second operand has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 8 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 21:55:41,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 21:55:41,882 INFO L93 Difference]: Finished difference Result 1833 states and 2693 transitions. [2024-10-12 21:55:41,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-12 21:55:41,882 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 8 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2024-10-12 21:55:41,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 21:55:41,886 INFO L225 Difference]: With dead ends: 1833 [2024-10-12 21:55:41,886 INFO L226 Difference]: Without dead ends: 1227 [2024-10-12 21:55:41,887 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2024-10-12 21:55:41,887 INFO L432 NwaCegarLoop]: 867 mSDtfsCounter, 2326 mSDsluCounter, 4285 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2326 SdHoareTripleChecker+Valid, 5152 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-12 21:55:41,887 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2326 Valid, 5152 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-12 21:55:41,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1227 states. [2024-10-12 21:55:41,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1227 to 717. [2024-10-12 21:55:41,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 717 states, 716 states have (on average 1.4567039106145252) internal successors, (1043), 716 states have internal predecessors, (1043), 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) [2024-10-12 21:55:41,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 717 states and 1043 transitions. [2024-10-12 21:55:41,900 INFO L78 Accepts]: Start accepts. Automaton has 717 states and 1043 transitions. Word has length 70 [2024-10-12 21:55:41,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 21:55:41,900 INFO L471 AbstractCegarLoop]: Abstraction has 717 states and 1043 transitions. [2024-10-12 21:55:41,900 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 8 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 21:55:41,900 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 1043 transitions. [2024-10-12 21:55:41,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-10-12 21:55:41,901 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 21:55:41,901 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 21:55:41,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-10-12 21:55:41,901 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 21:55:41,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 21:55:41,901 INFO L85 PathProgramCache]: Analyzing trace with hash -1834439174, now seen corresponding path program 1 times [2024-10-12 21:55:41,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 21:55:41,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188011757] [2024-10-12 21:55:41,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 21:55:41,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 21:55:41,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 21:55:42,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 21:55:42,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 21:55:42,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188011757] [2024-10-12 21:55:42,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1188011757] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 21:55:42,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 21:55:42,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-12 21:55:42,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970989483] [2024-10-12 21:55:42,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 21:55:42,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-12 21:55:42,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 21:55:42,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-12 21:55:42,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-12 21:55:42,202 INFO L87 Difference]: Start difference. First operand 717 states and 1043 transitions. Second operand has 7 states, 7 states have (on average 10.0) internal successors, (70), 6 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 21:55:42,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 21:55:42,442 INFO L93 Difference]: Finished difference Result 1320 states and 1929 transitions. [2024-10-12 21:55:42,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-12 21:55:42,443 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 6 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2024-10-12 21:55:42,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 21:55:42,445 INFO L225 Difference]: With dead ends: 1320 [2024-10-12 21:55:42,445 INFO L226 Difference]: Without dead ends: 726 [2024-10-12 21:55:42,446 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-10-12 21:55:42,447 INFO L432 NwaCegarLoop]: 848 mSDtfsCounter, 826 mSDsluCounter, 3351 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 826 SdHoareTripleChecker+Valid, 4199 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-12 21:55:42,447 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [826 Valid, 4199 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-12 21:55:42,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 726 states. [2024-10-12 21:55:42,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 726 to 717. [2024-10-12 21:55:42,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 717 states, 716 states have (on average 1.4567039106145252) internal successors, (1043), 716 states have internal predecessors, (1043), 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) [2024-10-12 21:55:42,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 717 states and 1043 transitions. [2024-10-12 21:55:42,460 INFO L78 Accepts]: Start accepts. Automaton has 717 states and 1043 transitions. Word has length 70 [2024-10-12 21:55:42,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 21:55:42,461 INFO L471 AbstractCegarLoop]: Abstraction has 717 states and 1043 transitions. [2024-10-12 21:55:42,461 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 6 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 21:55:42,461 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 1043 transitions. [2024-10-12 21:55:42,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-10-12 21:55:42,462 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 21:55:42,462 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 21:55:42,462 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-10-12 21:55:42,462 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 21:55:42,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 21:55:42,463 INFO L85 PathProgramCache]: Analyzing trace with hash 935048916, now seen corresponding path program 1 times [2024-10-12 21:55:42,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 21:55:42,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828282088] [2024-10-12 21:55:42,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 21:55:42,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 21:55:42,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 21:55:42,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 21:55:42,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 21:55:42,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828282088] [2024-10-12 21:55:42,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828282088] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 21:55:42,637 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 21:55:42,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-12 21:55:42,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257625702] [2024-10-12 21:55:42,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 21:55:42,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-12 21:55:42,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 21:55:42,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-12 21:55:42,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-12 21:55:42,638 INFO L87 Difference]: Start difference. First operand 717 states and 1043 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 21:55:42,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 21:55:42,740 INFO L93 Difference]: Finished difference Result 1328 states and 1940 transitions. [2024-10-12 21:55:42,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-12 21:55:42,740 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2024-10-12 21:55:42,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 21:55:42,742 INFO L225 Difference]: With dead ends: 1328 [2024-10-12 21:55:42,742 INFO L226 Difference]: Without dead ends: 717 [2024-10-12 21:55:42,743 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-12 21:55:42,743 INFO L432 NwaCegarLoop]: 842 mSDtfsCounter, 874 mSDsluCounter, 835 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 874 SdHoareTripleChecker+Valid, 1677 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-12 21:55:42,747 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [874 Valid, 1677 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-12 21:55:42,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 717 states. [2024-10-12 21:55:42,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 717 to 717. [2024-10-12 21:55:42,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 717 states, 716 states have (on average 1.4539106145251397) internal successors, (1041), 716 states have internal predecessors, (1041), 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) [2024-10-12 21:55:42,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 717 states and 1041 transitions. [2024-10-12 21:55:42,763 INFO L78 Accepts]: Start accepts. Automaton has 717 states and 1041 transitions. Word has length 71 [2024-10-12 21:55:42,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 21:55:42,763 INFO L471 AbstractCegarLoop]: Abstraction has 717 states and 1041 transitions. [2024-10-12 21:55:42,763 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 21:55:42,763 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 1041 transitions. [2024-10-12 21:55:42,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-10-12 21:55:42,763 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 21:55:42,763 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] [2024-10-12 21:55:42,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-10-12 21:55:42,764 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 21:55:42,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 21:55:42,764 INFO L85 PathProgramCache]: Analyzing trace with hash 821742837, now seen corresponding path program 1 times [2024-10-12 21:55:42,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 21:55:42,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658677024] [2024-10-12 21:55:42,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 21:55:42,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 21:55:42,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 21:55:43,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 21:55:43,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 21:55:43,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658677024] [2024-10-12 21:55:43,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658677024] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 21:55:43,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 21:55:43,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-12 21:55:43,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655212347] [2024-10-12 21:55:43,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 21:55:43,080 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-12 21:55:43,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 21:55:43,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-12 21:55:43,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-12 21:55:43,081 INFO L87 Difference]: Start difference. First operand 717 states and 1041 transitions. Second operand has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 6 states have internal predecessors, (72), 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) [2024-10-12 21:55:43,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 21:55:43,202 INFO L93 Difference]: Finished difference Result 1335 states and 1945 transitions. [2024-10-12 21:55:43,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-12 21:55:43,202 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 6 states have internal predecessors, (72), 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 72 [2024-10-12 21:55:43,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 21:55:43,204 INFO L225 Difference]: With dead ends: 1335 [2024-10-12 21:55:43,204 INFO L226 Difference]: Without dead ends: 715 [2024-10-12 21:55:43,205 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-10-12 21:55:43,205 INFO L432 NwaCegarLoop]: 838 mSDtfsCounter, 852 mSDsluCounter, 2488 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 852 SdHoareTripleChecker+Valid, 3326 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-12 21:55:43,206 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [852 Valid, 3326 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-12 21:55:43,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 715 states. [2024-10-12 21:55:43,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 715 to 713. [2024-10-12 21:55:43,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 713 states, 712 states have (on average 1.452247191011236) internal successors, (1034), 712 states have internal predecessors, (1034), 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) [2024-10-12 21:55:43,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 713 states and 1034 transitions. [2024-10-12 21:55:43,214 INFO L78 Accepts]: Start accepts. Automaton has 713 states and 1034 transitions. Word has length 72 [2024-10-12 21:55:43,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 21:55:43,214 INFO L471 AbstractCegarLoop]: Abstraction has 713 states and 1034 transitions. [2024-10-12 21:55:43,215 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 6 states have internal predecessors, (72), 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) [2024-10-12 21:55:43,215 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 1034 transitions. [2024-10-12 21:55:43,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-10-12 21:55:43,215 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 21:55:43,215 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] [2024-10-12 21:55:43,215 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-10-12 21:55:43,215 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 21:55:43,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 21:55:43,216 INFO L85 PathProgramCache]: Analyzing trace with hash 639612090, now seen corresponding path program 1 times [2024-10-12 21:55:43,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 21:55:43,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322789771] [2024-10-12 21:55:43,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 21:55:43,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 21:55:43,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 21:55:43,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 21:55:43,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 21:55:43,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322789771] [2024-10-12 21:55:43,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1322789771] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 21:55:43,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 21:55:43,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-12 21:55:43,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52331924] [2024-10-12 21:55:43,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 21:55:43,336 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-12 21:55:43,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 21:55:43,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-12 21:55:43,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-12 21:55:43,337 INFO L87 Difference]: Start difference. First operand 713 states and 1034 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 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) [2024-10-12 21:55:43,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 21:55:43,391 INFO L93 Difference]: Finished difference Result 1316 states and 1918 transitions. [2024-10-12 21:55:43,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-12 21:55:43,392 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 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 72 [2024-10-12 21:55:43,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 21:55:43,394 INFO L225 Difference]: With dead ends: 1316 [2024-10-12 21:55:43,394 INFO L226 Difference]: Without dead ends: 715 [2024-10-12 21:55:43,395 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-12 21:55:43,395 INFO L432 NwaCegarLoop]: 848 mSDtfsCounter, 826 mSDsluCounter, 845 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 826 SdHoareTripleChecker+Valid, 1693 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-12 21:55:43,398 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [826 Valid, 1693 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-12 21:55:43,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 715 states. [2024-10-12 21:55:43,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 715 to 705. [2024-10-12 21:55:43,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 705 states, 704 states have (on average 1.4545454545454546) internal successors, (1024), 704 states have internal predecessors, (1024), 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) [2024-10-12 21:55:43,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 705 states and 1024 transitions. [2024-10-12 21:55:43,410 INFO L78 Accepts]: Start accepts. Automaton has 705 states and 1024 transitions. Word has length 72 [2024-10-12 21:55:43,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 21:55:43,410 INFO L471 AbstractCegarLoop]: Abstraction has 705 states and 1024 transitions. [2024-10-12 21:55:43,411 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 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) [2024-10-12 21:55:43,411 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 1024 transitions. [2024-10-12 21:55:43,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-10-12 21:55:43,411 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 21:55:43,411 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] [2024-10-12 21:55:43,412 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-10-12 21:55:43,412 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 21:55:43,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 21:55:43,412 INFO L85 PathProgramCache]: Analyzing trace with hash 831594677, now seen corresponding path program 1 times [2024-10-12 21:55:43,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 21:55:43,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558119510] [2024-10-12 21:55:43,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 21:55:43,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 21:55:43,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 21:55:43,442 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 21:55:43,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 21:55:43,509 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 21:55:43,509 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-12 21:55:43,510 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-12 21:55:43,511 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-10-12 21:55:43,513 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] [2024-10-12 21:55:43,567 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-12 21:55:43,571 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 09:55:43 BoogieIcfgContainer [2024-10-12 21:55:43,571 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-12 21:55:43,572 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-12 21:55:43,572 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-12 21:55:43,572 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-12 21:55:43,572 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 09:55:32" (3/4) ... [2024-10-12 21:55:43,573 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-12 21:55:43,574 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-12 21:55:43,575 INFO L158 Benchmark]: Toolchain (without parser) took 13650.77ms. Allocated memory was 151.0MB in the beginning and 648.0MB in the end (delta: 497.0MB). Free memory was 80.7MB in the beginning and 298.0MB in the end (delta: -217.3MB). Peak memory consumption was 281.2MB. Max. memory is 16.1GB. [2024-10-12 21:55:43,575 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 151.0MB. Free memory is still 104.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-12 21:55:43,576 INFO L158 Benchmark]: CACSL2BoogieTranslator took 406.69ms. Allocated memory was 151.0MB in the beginning and 239.1MB in the end (delta: 88.1MB). Free memory was 80.5MB in the beginning and 194.5MB in the end (delta: -113.9MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. [2024-10-12 21:55:43,576 INFO L158 Benchmark]: Boogie Procedure Inliner took 171.06ms. Allocated memory is still 239.1MB. Free memory was 194.5MB in the beginning and 154.6MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2024-10-12 21:55:43,576 INFO L158 Benchmark]: Boogie Preprocessor took 189.04ms. Allocated memory is still 239.1MB. Free memory was 154.6MB in the beginning and 134.7MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-12 21:55:43,576 INFO L158 Benchmark]: RCFGBuilder took 1673.62ms. Allocated memory is still 239.1MB. Free memory was 134.7MB in the beginning and 151.8MB in the end (delta: -17.1MB). Peak memory consumption was 113.7MB. Max. memory is 16.1GB. [2024-10-12 21:55:43,578 INFO L158 Benchmark]: TraceAbstraction took 11201.77ms. Allocated memory was 239.1MB in the beginning and 648.0MB in the end (delta: 408.9MB). Free memory was 151.8MB in the beginning and 299.0MB in the end (delta: -147.2MB). Peak memory consumption was 261.7MB. Max. memory is 16.1GB. [2024-10-12 21:55:43,578 INFO L158 Benchmark]: Witness Printer took 2.78ms. Allocated memory is still 648.0MB. Free memory was 299.0MB in the beginning and 298.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-12 21:55:43,578 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 151.0MB. Free memory is still 104.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 406.69ms. Allocated memory was 151.0MB in the beginning and 239.1MB in the end (delta: 88.1MB). Free memory was 80.5MB in the beginning and 194.5MB in the end (delta: -113.9MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 171.06ms. Allocated memory is still 239.1MB. Free memory was 194.5MB in the beginning and 154.6MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 189.04ms. Allocated memory is still 239.1MB. Free memory was 154.6MB in the beginning and 134.7MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * RCFGBuilder took 1673.62ms. Allocated memory is still 239.1MB. Free memory was 134.7MB in the beginning and 151.8MB in the end (delta: -17.1MB). Peak memory consumption was 113.7MB. Max. memory is 16.1GB. * TraceAbstraction took 11201.77ms. Allocated memory was 239.1MB in the beginning and 648.0MB in the end (delta: 408.9MB). Free memory was 151.8MB in the beginning and 299.0MB in the end (delta: -147.2MB). Peak memory consumption was 261.7MB. Max. memory is 16.1GB. * Witness Printer took 2.78ms. Allocated memory is still 648.0MB. Free memory was 299.0MB in the beginning and 298.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. 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 shiftRight at line 109, overapproximation of bitwiseAnd at line 116. 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_2 mask_SORT_2 = (SORT_2)-1 >> (sizeof(SORT_2) * 8 - 5); [L30] const SORT_2 msb_SORT_2 = (SORT_2)1 << (5 - 1); [L32] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 16); [L33] const SORT_3 msb_SORT_3 = (SORT_3)1 << (16 - 1); [L35] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 32); [L36] const SORT_4 msb_SORT_4 = (SORT_4)1 << (32 - 1); [L38] const SORT_3 var_5 = 0; [L39] const SORT_1 var_12 = 0; [L40] const SORT_4 var_27 = 500; [L41] const SORT_3 var_28 = 1; [L42] const SORT_3 var_30 = 0; [L43] const SORT_4 var_32 = 16; [L44] const SORT_4 var_79 = 200; [L46] SORT_1 input_37; [L47] SORT_1 input_38; [L48] SORT_1 input_43; [L49] SORT_1 input_48; [L50] SORT_1 input_52; [L51] SORT_1 input_57; [L53] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 VAL [mask_SORT_1=1, mask_SORT_3=65535, mask_SORT_4=-1, msb_SORT_4=2147483648, var_12=0, var_27=500, var_28=1, var_30=0, var_32=16, var_5=0, var_79=200] [L53] SORT_3 state_6 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L54] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 VAL [mask_SORT_1=1, mask_SORT_3=65535, mask_SORT_4=-1, msb_SORT_4=2147483648, var_12=0, var_27=500, var_28=1, var_30=0, var_32=16, var_5=0, var_79=200] [L54] SORT_3 state_8 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L55] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 VAL [mask_SORT_1=1, mask_SORT_4=-1, msb_SORT_4=2147483648, var_12=0, var_27=500, var_28=1, var_30=0, var_32=16, var_5=0, var_79=200] [L55] SORT_3 state_10 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L56] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_4=-1, msb_SORT_4=2147483648, var_12=0, var_27=500, var_28=1, var_30=0, var_32=16, var_5=0, var_79=200] [L56] SORT_1 state_13 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L57] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_4=-1, msb_SORT_4=2147483648, var_12=0, var_27=500, var_28=1, var_30=0, var_32=16, var_5=0, var_79=200] [L57] SORT_1 state_15 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L58] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_4=-1, msb_SORT_4=2147483648, var_12=0, var_27=500, var_28=1, var_30=0, var_32=16, var_5=0, var_79=200] [L58] SORT_1 state_17 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L59] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_4=-1, msb_SORT_4=2147483648, var_12=0, var_27=500, var_28=1, var_30=0, var_32=16, var_5=0, var_79=200] [L59] SORT_1 state_19 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L60] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_4=-1, msb_SORT_4=2147483648, var_12=0, var_27=500, var_28=1, var_30=0, var_32=16, var_5=0, var_79=200] [L60] SORT_1 state_21 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L61] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_4=-1, msb_SORT_4=2147483648, var_12=0, var_27=500, var_28=1, var_30=0, var_32=16, var_5=0, var_79=200] [L61] SORT_1 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L62] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_4=-1, msb_SORT_4=2147483648, var_12=0, var_27=500, var_28=1, var_30=0, var_32=16, var_5=0, var_79=200] [L62] SORT_1 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L64] SORT_3 init_7_arg_1 = var_5; [L65] state_6 = init_7_arg_1 [L66] SORT_3 init_9_arg_1 = var_5; [L67] state_8 = init_9_arg_1 [L68] SORT_3 init_11_arg_1 = var_5; [L69] state_10 = init_11_arg_1 [L70] SORT_1 init_14_arg_1 = var_12; [L71] state_13 = init_14_arg_1 [L72] SORT_1 init_16_arg_1 = var_12; [L73] state_15 = init_16_arg_1 [L74] SORT_1 init_18_arg_1 = var_12; [L75] state_17 = init_18_arg_1 [L76] SORT_1 init_20_arg_1 = var_12; [L77] state_19 = init_20_arg_1 [L78] SORT_1 init_22_arg_1 = var_12; [L79] state_21 = init_22_arg_1 [L80] SORT_1 init_24_arg_1 = var_12; [L81] state_23 = init_24_arg_1 [L82] SORT_1 init_26_arg_1 = var_12; [L83] state_25 = init_26_arg_1 VAL [mask_SORT_1=1, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_6=0, state_8=0, var_27=500, var_28=1, var_30=0, var_32=16, var_79=200] [L86] input_37 = __VERIFIER_nondet_uchar() [L87] EXPR input_37 & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_6=0, state_8=0, var_27=500, var_28=1, var_30=0, var_32=16, var_79=200] [L87] input_37 = input_37 & mask_SORT_1 [L88] input_38 = __VERIFIER_nondet_uchar() [L89] EXPR input_38 & mask_SORT_1 VAL [input_37=0, mask_SORT_1=1, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_6=0, state_8=0, var_27=500, var_28=1, var_30=0, var_32=16, var_79=200] [L89] input_38 = input_38 & mask_SORT_1 [L90] input_43 = __VERIFIER_nondet_uchar() [L91] EXPR input_43 & mask_SORT_1 VAL [input_37=0, input_38=0, mask_SORT_1=1, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_6=0, state_8=0, var_27=500, var_28=1, var_30=0, var_32=16, var_79=200] [L91] input_43 = input_43 & mask_SORT_1 [L92] input_48 = __VERIFIER_nondet_uchar() [L93] EXPR input_48 & mask_SORT_1 VAL [input_37=0, input_38=0, input_43=0, mask_SORT_1=1, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_6=0, state_8=0, var_27=500, var_28=1, var_30=0, var_32=16, var_79=200] [L93] input_48 = input_48 & mask_SORT_1 [L94] input_52 = __VERIFIER_nondet_uchar() [L95] EXPR input_52 & mask_SORT_1 VAL [input_37=0, input_38=0, input_43=0, input_48=0, mask_SORT_1=1, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_6=0, state_8=0, var_27=500, var_28=1, var_30=0, var_32=16, var_79=200] [L95] input_52 = input_52 & mask_SORT_1 [L96] input_57 = __VERIFIER_nondet_uchar() [L97] EXPR input_57 & mask_SORT_1 VAL [input_37=0, input_38=0, input_43=0, input_48=0, input_52=0, mask_SORT_1=1, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_6=0, state_8=0, var_27=500, var_28=1, var_30=0, var_32=16, var_79=200] [L97] input_57 = input_57 & mask_SORT_1 [L100] SORT_3 var_29_arg_0 = var_28; [L101] SORT_3 var_29_arg_1 = state_6; VAL [input_37=0, input_38=0, input_43=0, input_48=0, input_52=0, input_57=0, mask_SORT_1=1, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_8=0, var_27=500, var_28=1, var_29_arg_0=1, var_29_arg_1=0, var_30=0, var_32=16, var_79=200] [L102] EXPR var_29_arg_0 ^ var_29_arg_1 VAL [input_37=0, input_38=0, input_43=0, input_48=0, input_52=0, input_57=0, mask_SORT_1=1, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_8=0, var_27=500, var_28=1, var_30=0, var_32=16, var_79=200] [L102] SORT_3 var_29 = var_29_arg_0 ^ var_29_arg_1; [L103] SORT_3 var_31_arg_0 = var_29; [L104] SORT_3 var_31_arg_1 = var_30; VAL [input_37=0, input_38=0, input_43=0, input_48=0, input_52=0, input_57=0, mask_SORT_1=1, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_8=0, var_27=500, var_28=1, var_29=1, var_30=0, var_31_arg_0=1, var_31_arg_1=0, var_32=16, var_79=200] [L105] EXPR ((SORT_4)var_31_arg_0 << 16) | var_31_arg_1 VAL [input_37=0, input_38=0, input_43=0, input_48=0, input_52=0, input_57=0, mask_SORT_1=1, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_8=0, var_27=500, var_28=1, var_29=1, var_30=0, var_32=16, var_79=200] [L105] SORT_4 var_31 = ((SORT_4)var_31_arg_0 << 16) | var_31_arg_1; [L106] SORT_4 var_33_arg_0 = var_31; VAL [input_37=0, input_38=0, input_43=0, input_48=0, input_52=0, input_57=0, mask_SORT_1=1, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_8=0, var_27=500, var_28=1, var_29=1, var_30=0, var_32=16, var_33_arg_0=65536, var_79=200] [L107] EXPR var_33_arg_0 & msb_SORT_4 VAL [input_37=0, input_38=0, input_43=0, input_48=0, input_52=0, input_57=0, mask_SORT_1=1, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_8=0, var_27=500, var_28=1, var_29=1, var_30=0, var_32=16, var_33_arg_0=65536, var_79=200] [L107] EXPR (var_33_arg_0 & msb_SORT_4) ? (var_33_arg_0 | ~mask_SORT_4) : (var_33_arg_0 & mask_SORT_4) VAL [input_37=0, input_38=0, input_43=0, input_48=0, input_52=0, input_57=0, mask_SORT_1=1, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_8=0, var_27=500, var_28=1, var_29=1, var_30=0, var_32=16, var_33_arg_0=65536, var_79=200] [L107] EXPR var_33_arg_0 | ~mask_SORT_4 VAL [input_37=0, input_38=0, input_43=0, input_48=0, input_52=0, input_57=0, mask_SORT_1=1, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_8=0, var_27=500, var_28=1, var_29=1, var_30=0, var_32=16, var_79=200] [L107] EXPR (var_33_arg_0 & msb_SORT_4) ? (var_33_arg_0 | ~mask_SORT_4) : (var_33_arg_0 & mask_SORT_4) VAL [input_37=0, input_38=0, input_43=0, input_48=0, input_52=0, input_57=0, mask_SORT_1=1, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_8=0, var_27=500, var_28=1, var_29=1, var_30=0, var_32=16, var_79=200] [L107] var_33_arg_0 = (var_33_arg_0 & msb_SORT_4) ? (var_33_arg_0 | ~mask_SORT_4) : (var_33_arg_0 & mask_SORT_4) [L108] SORT_4 var_33_arg_1 = var_32; VAL [input_37=0, input_38=0, input_43=0, input_48=0, input_52=0, input_57=0, mask_SORT_1=1, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_8=0, var_27=500, var_28=1, var_29=1, var_30=0, var_32=16, var_33_arg_0=65536, var_33_arg_1=16, var_79=200] [L109] EXPR (int)var_33_arg_0 >> var_33_arg_1 VAL [input_37=0, input_38=0, input_43=0, input_48=0, input_52=0, input_57=0, mask_SORT_1=1, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_8=0, var_27=500, var_28=1, var_29=1, var_30=0, var_32=16, var_33_arg_0=65536, var_33_arg_1=16, var_79=200] [L109] SORT_4 var_33 = (int)var_33_arg_0 >> var_33_arg_1; [L110] EXPR var_33_arg_0 & msb_SORT_4 VAL [input_37=0, input_38=0, input_43=0, input_48=0, input_52=0, input_57=0, mask_SORT_1=1, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_8=0, var_27=500, var_28=1, var_29=1, var_30=0, var_32=16, var_33=-2, var_33_arg_1=16, var_79=200] [L110] EXPR (var_33_arg_0 & msb_SORT_4) ? (var_33 | ~(mask_SORT_4 >> var_33_arg_1)) : var_33 VAL [input_37=0, input_38=0, input_43=0, input_48=0, input_52=0, input_57=0, mask_SORT_1=1, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_8=0, var_27=500, var_28=1, var_29=1, var_30=0, var_32=16, var_33_arg_1=16, var_79=200] [L110] var_33 = (var_33_arg_0 & msb_SORT_4) ? (var_33 | ~(mask_SORT_4 >> var_33_arg_1)) : var_33 [L111] EXPR var_33 & mask_SORT_4 VAL [input_37=0, input_38=0, input_43=0, input_48=0, input_52=0, input_57=0, mask_SORT_1=1, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_8=0, var_27=500, var_28=1, var_29=1, var_30=0, var_32=16, var_33_arg_1=16, var_79=200] [L111] var_33 = var_33 & mask_SORT_4 [L112] SORT_4 var_34_arg_0 = var_27; [L113] SORT_4 var_34_arg_1 = var_33; [L114] SORT_1 var_34 = var_34_arg_0 == var_34_arg_1; [L115] SORT_1 var_35_arg_0 = ~state_25; VAL [input_37=0, input_38=0, input_43=0, input_48=0, input_52=0, input_57=0, mask_SORT_1=1, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_8=0, var_27=500, var_28=1, var_29=1, var_30=0, var_32=16, var_33=500, var_33_arg_1=16, var_34=1, var_35_arg_0=-1, var_79=200] [L116] EXPR var_35_arg_0 & mask_SORT_1 VAL [input_37=0, input_38=0, input_43=0, input_48=0, input_52=0, input_57=0, mask_SORT_1=1, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_8=0, var_27=500, var_28=1, var_29=1, var_30=0, var_32=16, var_33=500, var_33_arg_1=16, var_34=1, var_79=200] [L116] var_35_arg_0 = var_35_arg_0 & mask_SORT_1 [L117] SORT_1 var_35_arg_1 = var_34; VAL [input_37=0, input_38=0, input_43=0, input_48=0, input_52=0, input_57=0, mask_SORT_1=1, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_8=0, var_27=500, var_28=1, var_29=1, var_30=0, var_32=16, var_33=500, var_33_arg_1=16, var_35_arg_0=1, var_35_arg_1=1, var_79=200] [L118] EXPR var_35_arg_0 & var_35_arg_1 VAL [input_37=0, input_38=0, input_43=0, input_48=0, input_52=0, input_57=0, mask_SORT_1=1, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_8=0, var_27=500, var_28=1, var_29=1, var_30=0, var_32=16, var_33=500, var_33_arg_1=16, var_79=200] [L118] SORT_1 var_35 = var_35_arg_0 & var_35_arg_1; [L119] EXPR var_35 & mask_SORT_1 VAL [input_37=0, input_38=0, input_43=0, input_48=0, input_52=0, input_57=0, mask_SORT_1=1, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_8=0, var_27=500, var_28=1, var_29=1, var_30=0, var_32=16, var_33=500, var_33_arg_1=16, var_79=200] [L119] var_35 = var_35 & mask_SORT_1 [L120] SORT_1 bad_36_arg_0 = var_35; [L121] CALL __VERIFIER_assert(!(bad_36_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 594 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.1s, OverallIterations: 26, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16649 SdHoareTripleChecker+Valid, 3.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16649 mSDsluCounter, 90426 SdHoareTripleChecker+Invalid, 2.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 69327 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4733 IncrementalHoareTripleChecker+Invalid, 4756 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 21099 mSDtfsCounter, 4733 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 188 GetRequests, 50 SyntacticMatches, 1 SemanticMatches, 137 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=730occurred in iteration=15, InterpolantAutomatonStates: 147, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 25 MinimizatonAttempts, 2104 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 5.3s InterpolantComputationTime, 1721 NumberOfCodeBlocks, 1721 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 1624 ConstructedInterpolants, 0 QuantifiedInterpolants, 6443 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 25 InterpolantComputations, 25 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 [2024-10-12 21:55:43,607 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with 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/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.2.prop1-func-interl.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2f01dddb47b5ae1b5d3586b27b8ee34d6afc00308bb90167839574641d1f43c9 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-12 21:55:46,275 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-12 21:55:46,341 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-10-12 21:55:46,344 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-12 21:55:46,345 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-12 21:55:46,361 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-12 21:55:46,362 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-12 21:55:46,362 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-12 21:55:46,363 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-12 21:55:46,363 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-12 21:55:46,363 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-12 21:55:46,363 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-12 21:55:46,364 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-12 21:55:46,364 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-12 21:55:46,364 INFO L153 SettingsManager]: * Use SBE=true [2024-10-12 21:55:46,365 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-12 21:55:46,365 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-12 21:55:46,365 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-12 21:55:46,366 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-12 21:55:46,366 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-12 21:55:46,366 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-12 21:55:46,367 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-12 21:55:46,367 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-12 21:55:46,367 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-12 21:55:46,368 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-12 21:55:46,368 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-12 21:55:46,368 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-12 21:55:46,368 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-12 21:55:46,369 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-12 21:55:46,369 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-12 21:55:46,369 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-12 21:55:46,369 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-12 21:55:46,370 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-12 21:55:46,370 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-12 21:55:46,370 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-12 21:55:46,371 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-12 21:55:46,371 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-12 21:55:46,371 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-12 21:55:46,371 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-12 21:55:46,371 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-12 21:55:46,372 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-12 21:55:46,373 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-12 21:55:46,374 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f01dddb47b5ae1b5d3586b27b8ee34d6afc00308bb90167839574641d1f43c9 [2024-10-12 21:55:46,659 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-12 21:55:46,687 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-12 21:55:46,690 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-12 21:55:46,691 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-12 21:55:46,692 INFO L274 PluginConnector]: CDTParser initialized [2024-10-12 21:55:46,693 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.2.prop1-func-interl.c [2024-10-12 21:55:48,441 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-12 21:55:48,745 INFO L384 CDTParser]: Found 1 translation units. [2024-10-12 21:55:48,746 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.2.prop1-func-interl.c [2024-10-12 21:55:48,761 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45ace28c6/a6f949f28bae4dbbb972e7ac98f68b88/FLAG95231db57 [2024-10-12 21:55:49,033 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45ace28c6/a6f949f28bae4dbbb972e7ac98f68b88 [2024-10-12 21:55:49,035 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-12 21:55:49,037 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-12 21:55:49,040 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-12 21:55:49,041 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-12 21:55:49,048 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-12 21:55:49,049 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 09:55:49" (1/1) ... [2024-10-12 21:55:49,049 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36c48702 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:55:49, skipping insertion in model container [2024-10-12 21:55:49,051 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 09:55:49" (1/1) ... [2024-10-12 21:55:49,105 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-12 21:55:49,288 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.adding.2.prop1-func-interl.c[1173,1186] [2024-10-12 21:55:49,363 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 21:55:49,376 INFO L200 MainTranslator]: Completed pre-run [2024-10-12 21:55:49,387 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.adding.2.prop1-func-interl.c[1173,1186] [2024-10-12 21:55:49,439 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 21:55:49,451 INFO L204 MainTranslator]: Completed translation [2024-10-12 21:55:49,452 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:55:49 WrapperNode [2024-10-12 21:55:49,452 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-12 21:55:49,453 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-12 21:55:49,453 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-12 21:55:49,453 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-12 21:55:49,458 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:55:49" (1/1) ... [2024-10-12 21:55:49,469 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:55:49" (1/1) ... [2024-10-12 21:55:49,497 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 453 [2024-10-12 21:55:49,497 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-12 21:55:49,498 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-12 21:55:49,498 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-12 21:55:49,498 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-12 21:55:49,507 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:55:49" (1/1) ... [2024-10-12 21:55:49,507 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:55:49" (1/1) ... [2024-10-12 21:55:49,512 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:55:49" (1/1) ... [2024-10-12 21:55:49,526 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]. [2024-10-12 21:55:49,526 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:55:49" (1/1) ... [2024-10-12 21:55:49,526 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:55:49" (1/1) ... [2024-10-12 21:55:49,536 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:55:49" (1/1) ... [2024-10-12 21:55:49,538 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:55:49" (1/1) ... [2024-10-12 21:55:49,540 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:55:49" (1/1) ... [2024-10-12 21:55:49,555 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:55:49" (1/1) ... [2024-10-12 21:55:49,570 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-12 21:55:49,571 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-12 21:55:49,571 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-12 21:55:49,571 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-12 21:55:49,572 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:55:49" (1/1) ... [2024-10-12 21:55:49,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-12 21:55:49,597 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 21:55:49,622 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-12 21:55:49,629 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-12 21:55:49,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-12 21:55:49,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-12 21:55:49,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-12 21:55:49,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-12 21:55:49,818 INFO L238 CfgBuilder]: Building ICFG [2024-10-12 21:55:49,820 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-12 21:55:50,218 INFO L? ?]: Removed 43 outVars from TransFormulas that were not future-live. [2024-10-12 21:55:50,219 INFO L287 CfgBuilder]: Performing block encoding [2024-10-12 21:55:50,262 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-12 21:55:50,263 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-12 21:55:50,263 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 09:55:50 BoogieIcfgContainer [2024-10-12 21:55:50,263 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-12 21:55:50,265 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-12 21:55:50,265 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-12 21:55:50,267 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-12 21:55:50,267 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 09:55:49" (1/3) ... [2024-10-12 21:55:50,268 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@415b6cfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 09:55:50, skipping insertion in model container [2024-10-12 21:55:50,268 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:55:49" (2/3) ... [2024-10-12 21:55:50,268 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@415b6cfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 09:55:50, skipping insertion in model container [2024-10-12 21:55:50,268 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 09:55:50" (3/3) ... [2024-10-12 21:55:50,269 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.adding.2.prop1-func-interl.c [2024-10-12 21:55:50,281 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-12 21:55:50,281 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-12 21:55:50,355 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-12 21:55:50,361 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;@662fbd38, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-12 21:55:50,361 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-12 21:55:50,364 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) [2024-10-12 21:55:50,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-10-12 21:55:50,368 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 21:55:50,369 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-10-12 21:55:50,369 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 21:55:50,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 21:55:50,373 INFO L85 PathProgramCache]: Analyzing trace with hash 1614770, now seen corresponding path program 1 times [2024-10-12 21:55:50,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-12 21:55:50,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [268596651] [2024-10-12 21:55:50,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 21:55:50,383 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 [2024-10-12 21:55:50,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-12 21:55:50,388 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/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) [2024-10-12 21:55:50,401 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/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 [2024-10-12 21:55:50,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 21:55:50,524 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-10-12 21:55:50,532 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 21:55:50,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 21:55:50,894 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-12 21:55:50,894 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-12 21:55:50,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [268596651] [2024-10-12 21:55:50,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [268596651] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 21:55:50,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 21:55:50,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-12 21:55:50,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067160555] [2024-10-12 21:55:50,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 21:55:50,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-12 21:55:50,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-12 21:55:50,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-12 21:55:50,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-12 21:55:50,928 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) [2024-10-12 21:55:50,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 21:55:50,979 INFO L93 Difference]: Finished difference Result 14 states and 19 transitions. [2024-10-12 21:55:50,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-12 21:55:50,981 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 [2024-10-12 21:55:50,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 21:55:50,986 INFO L225 Difference]: With dead ends: 14 [2024-10-12 21:55:50,986 INFO L226 Difference]: Without dead ends: 8 [2024-10-12 21:55:50,988 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-12 21:55:50,992 INFO L432 NwaCegarLoop]: 3 mSDtfsCounter, 0 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 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, 0.0s IncrementalHoareTripleChecker+Time [2024-10-12 21:55:50,993 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-12 21:55:51,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2024-10-12 21:55:51,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2024-10-12 21:55:51,014 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) [2024-10-12 21:55:51,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2024-10-12 21:55:51,015 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 4 [2024-10-12 21:55:51,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 21:55:51,015 INFO L471 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2024-10-12 21:55:51,016 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) [2024-10-12 21:55:51,016 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2024-10-12 21:55:51,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-12 21:55:51,016 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 21:55:51,016 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2024-10-12 21:55:51,022 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/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 [2024-10-12 21:55:51,217 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/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 [2024-10-12 21:55:51,219 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 21:55:51,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 21:55:51,220 INFO L85 PathProgramCache]: Analyzing trace with hash 865745430, now seen corresponding path program 1 times [2024-10-12 21:55:51,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-12 21:55:51,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1782984020] [2024-10-12 21:55:51,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 21:55:51,222 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 [2024-10-12 21:55:51,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-12 21:55:51,224 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/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) [2024-10-12 21:55:51,234 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/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 [2024-10-12 21:55:51,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 21:55:51,380 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-10-12 21:55:51,385 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 21:55:57,990 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 21:55:57,990 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-12 21:56:05,543 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|))) (let ((.cse203 (bvnot (bvlshr |c_ULTIMATE.start_main_~mask_SORT_4~0#1| |c_ULTIMATE.start_main_~var_32~0#1|))) (.cse205 (bvnot |c_ULTIMATE.start_main_~mask_SORT_4~0#1|)) (.cse208 ((_ zero_extend 16) |c_ULTIMATE.start_main_~var_28~0#1|)) (.cse10 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 (_ bv255 32))))) (.cse17 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_17~0#1|))) (let ((.cse67 (forall ((|v_ULTIMATE.start_main_#t~nondet15#1_16| (_ BitVec 8))) (not (= ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet15#1_16|))) (_ bv0 8))))) (.cse59 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse10 .cse17)))) (.cse6 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_23~0#1|)) (.cse60 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 (_ bv254 32))))) (.cse36 (and (forall ((|v_ULTIMATE.start_main_~var_31_arg_1~0#1_16| (_ BitVec 16)) (|ULTIMATE.start_main_~state_10~0#1| (_ BitVec 16))) (let ((.cse244 (bvor ((_ zero_extend 16) |v_ULTIMATE.start_main_~var_31_arg_1~0#1_16|) (bvshl ((_ zero_extend 16) ((_ extract 15 0) (bvxor ((_ zero_extend 16) ((_ extract 15 0) (bvxor ((_ zero_extend 16) ((_ extract 15 0) ((_ zero_extend 16) |ULTIMATE.start_main_~state_10~0#1|))) .cse208))) .cse208))) (_ bv16 32))))) (or (= (_ bv0 32) (bvand |c_ULTIMATE.start_main_~msb_SORT_4~0#1| .cse244)) (not (= (bvand (bvor .cse203 (bvashr (bvor .cse244 .cse205) |c_ULTIMATE.start_main_~var_32~0#1|)) |c_ULTIMATE.start_main_~mask_SORT_4~0#1|) |c_ULTIMATE.start_main_~var_27~0#1|))))) (forall ((|v_ULTIMATE.start_main_~var_31_arg_1~0#1_16| (_ BitVec 16)) (|ULTIMATE.start_main_~state_10~0#1| (_ BitVec 16))) (let ((.cse245 (bvor ((_ zero_extend 16) |v_ULTIMATE.start_main_~var_31_arg_1~0#1_16|) (bvshl ((_ zero_extend 16) ((_ extract 15 0) (bvxor ((_ zero_extend 16) ((_ extract 15 0) (bvxor ((_ zero_extend 16) ((_ extract 15 0) ((_ zero_extend 16) |ULTIMATE.start_main_~state_10~0#1|))) .cse208))) .cse208))) (_ bv16 32))))) (or (not (= |c_ULTIMATE.start_main_~var_27~0#1| (bvand |c_ULTIMATE.start_main_~mask_SORT_4~0#1| (bvashr (bvand .cse245 |c_ULTIMATE.start_main_~mask_SORT_4~0#1|) |c_ULTIMATE.start_main_~var_32~0#1|)))) (not (= (_ bv0 32) (bvand |c_ULTIMATE.start_main_~msb_SORT_4~0#1| .cse245))))))))) (and (or (forall ((|ULTIMATE.start_main_~input_43~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~state_25~0#1| (_ BitVec 8)) (|v_ULTIMATE.start_main_#t~nondet14#1_16| (_ BitVec 8)) (|ULTIMATE.start_main_~input_48~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~state_21~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~input_57~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~input_52~0#1| (_ BitVec 8)) (|v_ULTIMATE.start_main_#t~nondet15#1_16| (_ BitVec 8)) (|ULTIMATE.start_main_~state_15~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~state_19~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~state_13~0#1| (_ BitVec 8))) (let ((.cse0 ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet15#1_16|)))) (.cse1 ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet14#1_16|))))) (or (= .cse0 (_ bv0 8)) (= (_ bv0 8) .cse1) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv1 32) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |ULTIMATE.start_main_~state_25~0#1|))))))) ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse22 ((_ zero_extend 24) |ULTIMATE.start_main_~input_57~0#1|)) (.cse24 ((_ zero_extend 24) |ULTIMATE.start_main_~input_52~0#1|)) (.cse4 ((_ zero_extend 24) .cse1)) (.cse18 ((_ zero_extend 24) |ULTIMATE.start_main_~input_48~0#1|)) (.cse19 ((_ zero_extend 24) |ULTIMATE.start_main_~input_43~0#1|)) (.cse20 ((_ zero_extend 24) .cse0))) (let ((.cse16 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse20))) .cse2)))) (.cse14 ((_ zero_extend 24) |ULTIMATE.start_main_~state_15~0#1|)) (.cse15 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse19))))))) (.cse13 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse18))))))) (.cse12 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |ULTIMATE.start_main_~state_13~0#1|)))) .cse2)))) (.cse5 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse4))))))) (.cse7 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse24))))))) (.cse8 ((_ zero_extend 24) |ULTIMATE.start_main_~state_21~0#1|)) (.cse9 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |ULTIMATE.start_main_~state_19~0#1|)))))))) (.cse11 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse22)))))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse21 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse18 .cse19))))) (let ((.cse23 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse20 .cse21))))) (let ((.cse25 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse22 .cse23))))) (let ((.cse3 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse24 .cse25))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse3 .cse4))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse5 .cse6))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse7 .cse8))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse9 .cse10))) .cse11))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse12 .cse10))) .cse13))) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse14 .cse15)))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse16 .cse17)))))))))))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse3 .cse4))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse18 .cse19))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse20 .cse21)))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse22 .cse23)))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse24 .cse25)))))))))))))))))))))) ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse26 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse9 .cse8))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse9 .cse8))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse26 .cse6))))))))) .cse2))) ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse27 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse14 .cse12))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse27 .cse17))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse14 .cse12)))))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse27 .cse17)))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse26 .cse6)))))))))) ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse30 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse9 .cse11))) .cse4)))) (.cse31 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse7 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse22 .cse8)))))))) (let ((.cse28 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse30 .cse31)))) (.cse29 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse5 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse24 .cse6)))))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse28 .cse29))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse30 .cse31)))))))))))) ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse34 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse20 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse13 .cse12))))))) (.cse35 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse14 .cse18))) .cse15))))) (let ((.cse32 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse19 .cse17))) .cse16)))) (.cse33 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse34 .cse35))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse32 .cse33))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse32 .cse33))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse34 .cse35)))))))))))))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse28 .cse29))))))))))))))))))) .cse2)))))))))))))))))) .cse36) (or (forall ((|ULTIMATE.start_main_~input_43~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~state_25~0#1| (_ BitVec 8)) (|v_ULTIMATE.start_main_#t~nondet14#1_16| (_ BitVec 8)) (|ULTIMATE.start_main_~input_48~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~state_21~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~input_57~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~input_52~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~state_15~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~state_19~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~state_13~0#1| (_ BitVec 8))) (let ((.cse66 ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet14#1_16|))))) (or (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |ULTIMATE.start_main_~state_25~0#1|))))))) ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse54 ((_ zero_extend 24) |ULTIMATE.start_main_~input_57~0#1|)) (.cse45 ((_ zero_extend 24) |ULTIMATE.start_main_~input_43~0#1|)) (.cse47 ((_ zero_extend 24) |ULTIMATE.start_main_~input_48~0#1|)) (.cse52 ((_ zero_extend 24) |ULTIMATE.start_main_~input_52~0#1|)) (.cse58 ((_ zero_extend 24) .cse66))) (let ((.cse51 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse58))))))) (.cse53 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse52))))))) (.cse49 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse47))))))) (.cse48 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse45))))))) (.cse57 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse54))))))) (.cse46 ((_ zero_extend 24) |ULTIMATE.start_main_~state_15~0#1|)) (.cse50 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |ULTIMATE.start_main_~state_13~0#1|)))) .cse2)))) (.cse56 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |ULTIMATE.start_main_~state_19~0#1|)))))))) (.cse55 ((_ zero_extend 24) |ULTIMATE.start_main_~state_21~0#1|))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse39 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse56 .cse57))) .cse58)))) (.cse40 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse53 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse54 .cse55)))))))) (let ((.cse37 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse39 .cse40)))) (.cse38 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse51 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse52 .cse6)))))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse37 .cse38))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse39 .cse40)))))))))))) ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse41 ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse49 .cse50))))))) (.cse42 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse46 .cse47))) .cse48))))) (let ((.cse43 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse10 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse45 .cse17))))))) (.cse44 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse41 .cse42))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse41 .cse42))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse43 .cse44))))))))) .cse2))) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse43 .cse44))))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse37 .cse38)))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse63 ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse47 .cse45)))))))) (let ((.cse62 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse54 .cse63))))) (let ((.cse61 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse52 .cse62))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse51 .cse6))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse53 .cse55))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse59 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse49 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse50 .cse60)))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse46 .cse48))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse57 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse56 .cse60))))))))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse61 .cse58)))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse61 .cse58))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse52 .cse62))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse54 .cse63))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse47 .cse45))) (_ bv0 32))))))))))))))))))))))))) ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse64 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse56 .cse55))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse56 .cse55))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse64 .cse6))))))))) .cse2))) ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse65 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse46 .cse50))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse65 .cse17))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse46 .cse50)))))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse65 .cse17)))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse64 .cse6))))))))))))))))))))))))))) .cse2))) (_ bv1 32)))) .cse2)) (_ bv0 8)) (= (_ bv0 8) .cse66)))) .cse67 .cse36) (or .cse67 (forall ((|ULTIMATE.start_main_~input_43~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~state_25~0#1| (_ BitVec 8)) (|v_ULTIMATE.start_main_#t~nondet14#1_16| (_ BitVec 8)) (|ULTIMATE.start_main_~input_48~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~state_21~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~input_57~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~input_52~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~state_15~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~state_19~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~state_13~0#1| (_ BitVec 8))) (let ((.cse68 ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet14#1_16|))))) (or (= (_ bv0 8) .cse68) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv1 32) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |ULTIMATE.start_main_~state_25~0#1|))))))) ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse90 ((_ zero_extend 24) .cse68)) (.cse77 ((_ zero_extend 24) |ULTIMATE.start_main_~input_43~0#1|)) (.cse79 ((_ zero_extend 24) |ULTIMATE.start_main_~input_48~0#1|)) (.cse86 ((_ zero_extend 24) |ULTIMATE.start_main_~input_57~0#1|)) (.cse84 ((_ zero_extend 24) |ULTIMATE.start_main_~input_52~0#1|))) (let ((.cse85 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse84))))))) (.cse89 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse86))))))) (.cse81 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse79))))))) (.cse80 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse77))))))) (.cse83 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse90))))))) (.cse78 ((_ zero_extend 24) |ULTIMATE.start_main_~state_15~0#1|)) (.cse82 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |ULTIMATE.start_main_~state_13~0#1|)))) .cse2)))) (.cse88 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |ULTIMATE.start_main_~state_19~0#1|)))))))) (.cse87 ((_ zero_extend 24) |ULTIMATE.start_main_~state_21~0#1|))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse71 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse88 .cse89))) .cse90)))) (.cse72 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse85 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse86 .cse87)))))))) (let ((.cse69 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse71 .cse72)))) (.cse70 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse83 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse84 .cse6)))))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse69 .cse70))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse71 .cse72)))))))))))) ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse73 ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse81 .cse82))))))) (.cse74 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse78 .cse79))) .cse80))))) (let ((.cse75 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse10 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse77 .cse17))))))) (.cse76 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse73 .cse74))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse73 .cse74))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse75 .cse76))))))))) .cse2))) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse75 .cse76))))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse69 .cse70)))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse93 ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse79 .cse77)))))))) (let ((.cse92 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse86 .cse93))))) (let ((.cse91 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse84 .cse92))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse91 .cse90))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse84 .cse92))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse86 .cse93))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse79 .cse77))) (_ bv0 32))))))))))))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse85 .cse87))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse88 .cse10))) .cse89))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse82 .cse10))) .cse81))) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse78 .cse80)))))) .cse59))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse83 .cse6)))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse91 .cse90)))))))))))) ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse94 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse88 .cse87))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse88 .cse87))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse94 .cse6))))))))) .cse2))) ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse95 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse78 .cse82))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse95 .cse17))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse78 .cse82)))))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse95 .cse17)))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse94 .cse6))))))))))))))))))))))))))))))))))))))) .cse36) (or (let ((.cse121 (let ((.cse210 (bvshl ((_ zero_extend 16) ((_ extract 15 0) (bvxor ((_ zero_extend 16) ((_ extract 15 0) (bvxor .cse208 ((_ zero_extend 16) ((_ extract 15 0) ((_ zero_extend 16) ((_ extract 15 0) ((_ zero_extend 16) ((_ extract 15 0) (bvxor ((_ zero_extend 16) |c_ULTIMATE.start_main_~state_6~0#1|) .cse208)))))))))) .cse208))) (_ bv16 32)))) (and (forall ((|v_ULTIMATE.start_main_~var_31_arg_1~0#1_16| (_ BitVec 16))) (let ((.cse209 (bvor .cse210 ((_ zero_extend 16) |v_ULTIMATE.start_main_~var_31_arg_1~0#1_16|)))) (or (not (= (bvand |c_ULTIMATE.start_main_~mask_SORT_4~0#1| (bvashr (bvand .cse209 |c_ULTIMATE.start_main_~mask_SORT_4~0#1|) |c_ULTIMATE.start_main_~var_32~0#1|)) |c_ULTIMATE.start_main_~var_27~0#1|)) (not (= (bvand |c_ULTIMATE.start_main_~msb_SORT_4~0#1| .cse209) (_ bv0 32)))))) (forall ((|v_ULTIMATE.start_main_~var_31_arg_1~0#1_16| (_ BitVec 16))) (let ((.cse211 (bvor .cse210 ((_ zero_extend 16) |v_ULTIMATE.start_main_~var_31_arg_1~0#1_16|)))) (or (not (= (bvand |c_ULTIMATE.start_main_~mask_SORT_4~0#1| (bvor .cse203 (bvashr (bvor .cse211 .cse205) |c_ULTIMATE.start_main_~var_32~0#1|))) |c_ULTIMATE.start_main_~var_27~0#1|)) (= (bvand |c_ULTIMATE.start_main_~msb_SORT_4~0#1| .cse211) (_ bv0 32)))))))) (.cse119 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse10 .cse6)))) (.cse122 (let ((.cse206 (bvshl ((_ zero_extend 16) ((_ extract 15 0) (bvxor ((_ zero_extend 16) ((_ extract 15 0) (bvxor ((_ zero_extend 16) ((_ extract 15 0) ((_ zero_extend 16) ((_ extract 15 0) ((_ zero_extend 16) |c_ULTIMATE.start_main_~state_8~0#1|))))) .cse208))) .cse208))) (_ bv16 32)))) (and (forall ((|v_ULTIMATE.start_main_~var_31_arg_1~0#1_16| (_ BitVec 16))) (let ((.cse204 (bvor .cse206 ((_ zero_extend 16) |v_ULTIMATE.start_main_~var_31_arg_1~0#1_16|)))) (or (not (= (bvand (bvor .cse203 (bvashr (bvor .cse204 .cse205) |c_ULTIMATE.start_main_~var_32~0#1|)) |c_ULTIMATE.start_main_~mask_SORT_4~0#1|) |c_ULTIMATE.start_main_~var_27~0#1|)) (= (_ bv0 32) (bvand |c_ULTIMATE.start_main_~msb_SORT_4~0#1| .cse204))))) (forall ((|v_ULTIMATE.start_main_~var_31_arg_1~0#1_16| (_ BitVec 16))) (let ((.cse207 (bvor .cse206 ((_ zero_extend 16) |v_ULTIMATE.start_main_~var_31_arg_1~0#1_16|)))) (or (not (= (bvand (bvashr (bvand |c_ULTIMATE.start_main_~mask_SORT_4~0#1| .cse207) |c_ULTIMATE.start_main_~var_32~0#1|) |c_ULTIMATE.start_main_~mask_SORT_4~0#1|) |c_ULTIMATE.start_main_~var_27~0#1|)) (not (= (_ bv0 32) (bvand |c_ULTIMATE.start_main_~msb_SORT_4~0#1| .cse207)))))))))) (and (or .cse67 (forall ((|ULTIMATE.start_main_~input_43~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~state_25~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~input_48~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~state_21~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~input_57~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~input_52~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~state_15~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~state_19~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~state_13~0#1| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |ULTIMATE.start_main_~state_25~0#1|))))))) ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse104 ((_ zero_extend 24) |ULTIMATE.start_main_~input_43~0#1|)) (.cse106 ((_ zero_extend 24) |ULTIMATE.start_main_~input_48~0#1|)) (.cse112 ((_ zero_extend 24) |ULTIMATE.start_main_~input_57~0#1|)) (.cse110 ((_ zero_extend 24) |ULTIMATE.start_main_~input_52~0#1|))) (let ((.cse111 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse110))))))) (.cse113 ((_ zero_extend 24) |ULTIMATE.start_main_~state_21~0#1|)) (.cse114 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |ULTIMATE.start_main_~state_19~0#1|)))))))) (.cse115 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse112))))))) (.cse109 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |ULTIMATE.start_main_~state_13~0#1|)))) .cse2)))) (.cse108 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse106))))))) (.cse105 ((_ zero_extend 24) |ULTIMATE.start_main_~state_15~0#1|)) (.cse107 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse104)))))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse98 ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse114 .cse115))))))) (.cse99 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse111 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse112 .cse113)))))))) (let ((.cse96 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse98 .cse99)))) (.cse97 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse10 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse110 .cse6)))))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse96 .cse97))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse98 .cse99))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse96 .cse97)))))))))))) ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse100 ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse108 .cse109))))))) (.cse101 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse105 .cse106))) .cse107))))) (let ((.cse102 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse10 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse104 .cse17))))))) (.cse103 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse100 .cse101))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse100 .cse101))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse102 .cse103))))))))) .cse2))) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse102 .cse103)))))))))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse116 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse114 .cse113))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse114 .cse113))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse116 .cse6))))))))) .cse2))) ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse117 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse105 .cse109))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse117 .cse17))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse105 .cse109)))))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse117 .cse17)))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse116 .cse6))))))) ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse120 ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse106 .cse104)))))))) (let ((.cse118 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse112 .cse120))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse110 .cse118))) (_ bv0 32)))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse111 .cse113))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse114 .cse10))) .cse115))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse109 .cse10))) .cse108))) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse105 .cse107)))))) .cse59))))))))) .cse119)))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse110 .cse118))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse112 .cse120))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse106 .cse104))) (_ bv0 32)))))))))))))))))))))))))))))))))))))))))))) .cse2))) (_ bv1 32)))))))) .cse121) (or .cse122 (forall ((|ULTIMATE.start_main_~input_43~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~state_25~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~input_48~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~state_21~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~input_57~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~input_52~0#1| (_ BitVec 8)) (|v_ULTIMATE.start_main_#t~nondet15#1_16| (_ BitVec 8)) (|ULTIMATE.start_main_~state_15~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~state_19~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~state_13~0#1| (_ BitVec 8))) (let ((.cse150 ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet15#1_16|))))) (or (= ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv1 32) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |ULTIMATE.start_main_~state_25~0#1|))))))) ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse141 ((_ zero_extend 24) |ULTIMATE.start_main_~input_57~0#1|)) (.cse131 ((_ zero_extend 24) |ULTIMATE.start_main_~input_43~0#1|)) (.cse134 ((_ zero_extend 24) |ULTIMATE.start_main_~input_48~0#1|)) (.cse136 ((_ zero_extend 24) .cse150)) (.cse139 ((_ zero_extend 24) |ULTIMATE.start_main_~input_52~0#1|))) (let ((.cse140 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse139))))))) (.cse142 ((_ zero_extend 24) |ULTIMATE.start_main_~state_21~0#1|)) (.cse132 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse136))) .cse2)))) (.cse137 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse134))))))) (.cse138 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |ULTIMATE.start_main_~state_13~0#1|)))) .cse2)))) (.cse133 ((_ zero_extend 24) |ULTIMATE.start_main_~state_15~0#1|)) (.cse135 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse131))))))) (.cse144 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse141))))))) (.cse143 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |ULTIMATE.start_main_~state_19~0#1|))))))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse125 ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse143 .cse144))))))) (.cse126 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse140 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse141 .cse142)))))))) (let ((.cse123 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse125 .cse126)))) (.cse124 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse10 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse139 .cse6)))))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse123 .cse124))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse125 .cse126))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse123 .cse124)))))))))))) ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse129 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse136 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse137 .cse138))))))) (.cse130 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse133 .cse134))) .cse135))))) (let ((.cse127 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse131 .cse17))) .cse132)))) (.cse128 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse129 .cse130))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse127 .cse128))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse127 .cse128))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse129 .cse130))))))))))))))))))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse145 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse143 .cse142))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse143 .cse142))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse145 .cse6))))))))) .cse2))) ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse146 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse133 .cse138))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse146 .cse17))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse133 .cse138)))))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse146 .cse17)))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse145 .cse6))))))) ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse147 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse134 .cse131))))) (let ((.cse148 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse136 .cse147))))) (let ((.cse149 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse141 .cse148))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse134 .cse131))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse136 .cse147)))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse141 .cse148)))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse139 .cse149)))))))))))) .cse2))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse139 .cse149))) (_ bv0 32)))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse119 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse140 .cse142))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse132 .cse17))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse137 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse138 .cse60)))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse133 .cse135))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse144 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse143 .cse60)))))))))))))))))))))))))))))))))))))))))))))))))))) (_ bv0 8)) (= .cse150 (_ bv0 8)))))) (or .cse67 (forall ((|ULTIMATE.start_main_~input_43~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~state_25~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~input_48~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~state_21~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~input_57~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~input_52~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~state_15~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~state_19~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~state_13~0#1| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv1 32) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |ULTIMATE.start_main_~state_25~0#1|))))))) ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse163 ((_ zero_extend 24) |ULTIMATE.start_main_~input_57~0#1|)) (.cse157 ((_ zero_extend 24) |ULTIMATE.start_main_~input_52~0#1|)) (.cse165 ((_ zero_extend 24) |ULTIMATE.start_main_~input_48~0#1|)) (.cse166 ((_ zero_extend 24) |ULTIMATE.start_main_~input_43~0#1|))) (let ((.cse155 ((_ zero_extend 24) |ULTIMATE.start_main_~state_15~0#1|)) (.cse161 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse166))))))) (.cse160 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse165))))))) (.cse156 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |ULTIMATE.start_main_~state_13~0#1|)))) .cse2)))) (.cse159 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse157))))))) (.cse152 ((_ zero_extend 24) |ULTIMATE.start_main_~state_21~0#1|)) (.cse151 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |ULTIMATE.start_main_~state_19~0#1|)))))))) (.cse162 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse163)))))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse153 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse151 .cse152))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse151 .cse152))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse153 .cse6))))))))) .cse2))) ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse154 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse155 .cse156))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse154 .cse17))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse155 .cse156)))))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse154 .cse17)))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse153 .cse6))))))) ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse164 ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse165 .cse166)))))))) (let ((.cse158 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse163 .cse164))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse157 .cse158))) (_ bv0 32)))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse159 .cse152))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse59 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse160 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse156 .cse60)))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse155 .cse161))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse162 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse151 .cse60)))))))))))) .cse119)))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse157 .cse158))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse163 .cse164))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse165 .cse166))) (_ bv0 32))))))))))))))))))))))))))) ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse169 ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse151 .cse162))))))) (.cse170 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse159 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse163 .cse152)))))))) (let ((.cse167 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse169 .cse170)))) (.cse168 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse10 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse157 .cse6)))))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse167 .cse168))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse169 .cse170))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse167 .cse168)))))))))))) ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse171 ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse160 .cse156))))))) (.cse172 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse155 .cse165))) .cse161))))) (let ((.cse173 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse10 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse166 .cse17))))))) (.cse174 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse171 .cse172))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse171 .cse172))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse173 .cse174))))))))) .cse2))) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse173 .cse174))))))))))))))))))))))))))))))))))))))))))) .cse121) (or (forall ((|ULTIMATE.start_main_~input_43~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~state_25~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~input_48~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~state_21~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~input_57~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~input_52~0#1| (_ BitVec 8)) (|v_ULTIMATE.start_main_#t~nondet15#1_16| (_ BitVec 8)) (|ULTIMATE.start_main_~state_15~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~state_19~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~state_13~0#1| (_ BitVec 8))) (let ((.cse175 ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet15#1_16|))))) (or (= .cse175 (_ bv0 8)) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv1 32) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |ULTIMATE.start_main_~state_25~0#1|))))))) ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse189 ((_ zero_extend 24) .cse175)) (.cse184 ((_ zero_extend 24) |ULTIMATE.start_main_~input_43~0#1|)) (.cse187 ((_ zero_extend 24) |ULTIMATE.start_main_~input_48~0#1|)) (.cse194 ((_ zero_extend 24) |ULTIMATE.start_main_~input_57~0#1|)) (.cse192 ((_ zero_extend 24) |ULTIMATE.start_main_~input_52~0#1|))) (let ((.cse193 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse192))))))) (.cse195 ((_ zero_extend 24) |ULTIMATE.start_main_~state_21~0#1|)) (.cse196 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |ULTIMATE.start_main_~state_19~0#1|)))))))) (.cse197 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse194))))))) (.cse191 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |ULTIMATE.start_main_~state_13~0#1|)))) .cse2)))) (.cse190 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse187))))))) (.cse186 ((_ zero_extend 24) |ULTIMATE.start_main_~state_15~0#1|)) (.cse188 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse184))))))) (.cse185 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse189))) .cse2))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse178 ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse196 .cse197))))))) (.cse179 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse193 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse194 .cse195)))))))) (let ((.cse176 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse178 .cse179)))) (.cse177 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse10 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse192 .cse6)))))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse176 .cse177))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse178 .cse179))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse176 .cse177)))))))))))) ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse182 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse189 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse190 .cse191))))))) (.cse183 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse186 .cse187))) .cse188))))) (let ((.cse180 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse184 .cse17))) .cse185)))) (.cse181 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse182 .cse183))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse180 .cse181))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse180 .cse181))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse182 .cse183))))))))))))))))))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse198 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse196 .cse195))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse196 .cse195))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse198 .cse6))))))))) .cse2))) ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse199 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse186 .cse191))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse199 .cse17))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse186 .cse191)))))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse199 .cse17)))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse198 .cse6))))))) ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse200 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse187 .cse184))))) (let ((.cse201 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse189 .cse200))))) (let ((.cse202 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse194 .cse201))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse187 .cse184))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse189 .cse200)))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse194 .cse201)))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse192 .cse202)))))))))))) .cse2))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse192 .cse202))) (_ bv0 32)))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse119 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse193 .cse195))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse196 .cse10))) .cse197))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse191 .cse10))) .cse190))) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse186 .cse188)))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse185 .cse17)))))))))))))))))))))))))))))))))))))))))))) .cse2)))))))))))) .cse122))) (forall ((|v_ULTIMATE.start_main_#t~nondet14#1_16| (_ BitVec 8))) (not (= (_ bv0 8) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet14#1_16|))))))) (or (forall ((|ULTIMATE.start_main_~input_43~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~state_25~0#1| (_ BitVec 8)) (|v_ULTIMATE.start_main_#t~nondet14#1_16| (_ BitVec 8)) (|ULTIMATE.start_main_~input_48~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~state_21~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~input_57~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~input_52~0#1| (_ BitVec 8)) (|v_ULTIMATE.start_main_#t~nondet15#1_16| (_ BitVec 8)) (|ULTIMATE.start_main_~state_15~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~state_19~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~state_13~0#1| (_ BitVec 8))) (let ((.cse212 ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet15#1_16|)))) (.cse243 ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet14#1_16|))))) (or (= .cse212 (_ bv0 8)) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv1 32) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |ULTIMATE.start_main_~state_25~0#1|))))))) ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse232 ((_ zero_extend 24) |ULTIMATE.start_main_~input_57~0#1|)) (.cse221 ((_ zero_extend 24) |ULTIMATE.start_main_~input_43~0#1|)) (.cse224 ((_ zero_extend 24) |ULTIMATE.start_main_~input_48~0#1|)) (.cse226 ((_ zero_extend 24) .cse212)) (.cse230 ((_ zero_extend 24) |ULTIMATE.start_main_~input_52~0#1|)) (.cse236 ((_ zero_extend 24) .cse243))) (let ((.cse229 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse236))))))) (.cse231 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse230))))))) (.cse233 ((_ zero_extend 24) |ULTIMATE.start_main_~state_21~0#1|)) (.cse222 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse226))) .cse2)))) (.cse227 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse224))))))) (.cse228 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |ULTIMATE.start_main_~state_13~0#1|)))) .cse2)))) (.cse223 ((_ zero_extend 24) |ULTIMATE.start_main_~state_15~0#1|)) (.cse225 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse221))))))) (.cse235 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse232))))))) (.cse234 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |ULTIMATE.start_main_~state_19~0#1|))))))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse215 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse234 .cse235))) .cse236)))) (.cse216 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse231 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse232 .cse233)))))))) (let ((.cse213 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse215 .cse216)))) (.cse214 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse229 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse230 .cse6)))))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse213 .cse214))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse215 .cse216)))))))))))) ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse219 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse226 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse227 .cse228))))))) (.cse220 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse223 .cse224))) .cse225))))) (let ((.cse217 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse221 .cse17))) .cse222)))) (.cse218 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse219 .cse220))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse217 .cse218))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse217 .cse218))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse219 .cse220)))))))))))))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse213 .cse214)))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse237 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse234 .cse233))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse234 .cse233))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse237 .cse6))))))))) .cse2))) ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse238 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse223 .cse228))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse238 .cse17))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse223 .cse228)))))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse238 .cse17)))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse237 .cse6))))))) ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse240 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse224 .cse221))))) (let ((.cse241 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse226 .cse240))))) (let ((.cse242 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse232 .cse241))))) (let ((.cse239 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse230 .cse242))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse239 .cse236))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse224 .cse221))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse226 .cse240)))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse232 .cse241)))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse230 .cse242))))))))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse239 .cse236))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse229 .cse6))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse231 .cse233))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse222 .cse17))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse227 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse228 .cse60)))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse223 .cse225))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse235 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse234 .cse60)))))))))))))))))))))))))))))))))))))))))))))))))))))) (= (_ bv0 8) .cse243)))) .cse36))))) is different from false [2024-10-12 21:56:05,654 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2024-10-12 21:56:05,654 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-12 21:56:05,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1782984020] [2024-10-12 21:56:05,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1782984020] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-12 21:56:05,655 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-12 21:56:05,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-10-12 21:56:05,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478426156] [2024-10-12 21:56:05,655 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-12 21:56:05,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-12 21:56:05,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-12 21:56:05,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-12 21:56:05,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=54, Unknown=1, NotChecked=14, Total=90 [2024-10-12 21:56:05,657 INFO L87 Difference]: Start difference. First operand 8 states and 8 transitions. Second operand has 10 states, 10 states have (on average 1.3) internal successors, (13), 9 states have internal predecessors, (13), 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) [2024-10-12 21:56:08,813 WARN L249 Executor]: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) stderr output: (error "out of memory") [2024-10-12 21:56:08,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-12 21:56:08,815 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 11.9s TimeCoverageRelationStatistics Valid=21, Invalid=54, Unknown=1, NotChecked=14, Total=90 [2024-10-12 21:56:08,818 INFO L432 NwaCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-12 21:56:08,818 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 101 [2024-10-12 21:56:08,819 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-12 21:56:08,827 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/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)] Ended with exit code 0 [2024-10-12 21:56:09,021 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/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 [2024-10-12 21:56:09,022 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:281) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.checkSat(ManagedScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:85) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:842) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:786) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:374) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:244) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.getOrConstructPredicate(DeterministicInterpolantAutomaton.java:282) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.constructSuccessorsAndTransitions(DeterministicInterpolantAutomaton.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:246) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ComplementDeterministicNwa.internalSuccessors(ComplementDeterministicNwa.java:121) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:218) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:210) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.addInternalsAndSuccessors(NestedWordAutomatonReachableStates.java:1058) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.(NestedWordAutomatonReachableStates.java:960) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates.(NestedWordAutomatonReachableStates.java:182) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.computeDifference(Difference.java:137) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.(Difference.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.NwaCegarLoop.computeAutomataDifference(NwaCegarLoop.java:373) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.NwaCegarLoop.refineAbstraction(NwaCegarLoop.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.refineAbstractionInternal(AbstractCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:414) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:421) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:307) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 47 more [2024-10-12 21:56:09,030 INFO L158 Benchmark]: Toolchain (without parser) took 19993.06ms. Allocated memory was 65.0MB in the beginning and 343.9MB in the end (delta: 278.9MB). Free memory was 35.8MB in the beginning and 232.2MB in the end (delta: -196.5MB). Peak memory consumption was 168.4MB. Max. memory is 16.1GB. [2024-10-12 21:56:09,030 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 65.0MB. Free memory was 45.3MB in the beginning and 45.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-12 21:56:09,031 INFO L158 Benchmark]: CACSL2BoogieTranslator took 411.78ms. Allocated memory was 65.0MB in the beginning and 90.2MB in the end (delta: 25.2MB). Free memory was 35.6MB in the beginning and 52.6MB in the end (delta: -17.0MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. [2024-10-12 21:56:09,031 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.75ms. Allocated memory is still 90.2MB. Free memory was 52.6MB in the beginning and 48.6MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-12 21:56:09,031 INFO L158 Benchmark]: Boogie Preprocessor took 72.35ms. Allocated memory is still 90.2MB. Free memory was 48.6MB in the beginning and 67.5MB in the end (delta: -18.9MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2024-10-12 21:56:09,032 INFO L158 Benchmark]: RCFGBuilder took 692.58ms. Allocated memory is still 90.2MB. Free memory was 67.5MB in the beginning and 59.6MB in the end (delta: 7.8MB). Peak memory consumption was 36.5MB. Max. memory is 16.1GB. [2024-10-12 21:56:09,032 INFO L158 Benchmark]: TraceAbstraction took 18764.52ms. Allocated memory was 90.2MB in the beginning and 343.9MB in the end (delta: 253.8MB). Free memory was 59.1MB in the beginning and 232.2MB in the end (delta: -173.2MB). Peak memory consumption was 168.0MB. Max. memory is 16.1GB. [2024-10-12 21:56:09,036 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 65.0MB. Free memory was 45.3MB in the beginning and 45.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 411.78ms. Allocated memory was 65.0MB in the beginning and 90.2MB in the end (delta: 25.2MB). Free memory was 35.6MB in the beginning and 52.6MB in the end (delta: -17.0MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.75ms. Allocated memory is still 90.2MB. Free memory was 52.6MB in the beginning and 48.6MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.35ms. Allocated memory is still 90.2MB. Free memory was 48.6MB in the beginning and 67.5MB in the end (delta: -18.9MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. * RCFGBuilder took 692.58ms. Allocated memory is still 90.2MB. Free memory was 67.5MB in the beginning and 59.6MB in the end (delta: 7.8MB). Peak memory consumption was 36.5MB. Max. memory is 16.1GB. * TraceAbstraction took 18764.52ms. Allocated memory was 90.2MB in the beginning and 343.9MB in the end (delta: 253.8MB). Free memory was 59.1MB in the beginning and 232.2MB in the end (delta: -173.2MB). Peak memory consumption was 168.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory")