./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.lann.1.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.lann.1.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 cd6ac0f1fc1701a755f398ed8f8c999e6c7d4b309c48c83fd17b2861bc532c01 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-12 22:58:57,861 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-12 22:58:57,937 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-12 22:58:57,942 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-12 22:58:57,943 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-12 22:58:57,987 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-12 22:58:57,988 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-12 22:58:57,988 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-12 22:58:57,989 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-12 22:58:57,990 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-12 22:58:57,991 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-12 22:58:57,991 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-12 22:58:57,991 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-12 22:58:57,993 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-12 22:58:57,993 INFO L153 SettingsManager]: * Use SBE=true [2024-10-12 22:58:57,993 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-12 22:58:57,994 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-12 22:58:57,994 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-12 22:58:57,994 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-12 22:58:57,994 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-12 22:58:57,994 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-12 22:58:57,995 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-12 22:58:57,995 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-12 22:58:57,995 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-12 22:58:57,996 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-12 22:58:57,996 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-12 22:58:57,997 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-12 22:58:57,997 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-12 22:58:57,997 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-12 22:58:57,998 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-12 22:58:57,999 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-12 22:58:57,999 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-12 22:58:58,000 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-12 22:58:58,000 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-12 22:58:58,000 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-12 22:58:58,000 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-12 22:58:58,000 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-12 22:58:58,001 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-12 22:58:58,001 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-12 22:58:58,001 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd6ac0f1fc1701a755f398ed8f8c999e6c7d4b309c48c83fd17b2861bc532c01 [2024-10-12 22:58:58,264 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-12 22:58:58,290 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-12 22:58:58,293 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-12 22:58:58,296 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-12 22:58:58,296 INFO L274 PluginConnector]: CDTParser initialized [2024-10-12 22:58:58,297 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.1.prop1-func-interl.c [2024-10-12 22:58:59,794 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-12 22:59:00,113 INFO L384 CDTParser]: Found 1 translation units. [2024-10-12 22:59:00,113 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.1.prop1-func-interl.c [2024-10-12 22:59:00,138 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8fdb8f4b2/be8021bbb2944c4bb0f2e41a7f938602/FLAGbccedb72a [2024-10-12 22:59:00,155 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8fdb8f4b2/be8021bbb2944c4bb0f2e41a7f938602 [2024-10-12 22:59:00,159 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-12 22:59:00,160 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-12 22:59:00,164 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-12 22:59:00,164 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-12 22:59:00,170 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-12 22:59:00,171 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 10:59:00" (1/1) ... [2024-10-12 22:59:00,172 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32483c50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:59:00, skipping insertion in model container [2024-10-12 22:59:00,172 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 10:59:00" (1/1) ... [2024-10-12 22:59:00,235 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-12 22:59:00,432 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.lann.1.prop1-func-interl.c[1171,1184] [2024-10-12 22:59:00,803 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 22:59:00,813 INFO L200 MainTranslator]: Completed pre-run [2024-10-12 22:59:00,824 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.lann.1.prop1-func-interl.c[1171,1184] [2024-10-12 22:59:01,055 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 22:59:01,071 INFO L204 MainTranslator]: Completed translation [2024-10-12 22:59:01,072 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:59:01 WrapperNode [2024-10-12 22:59:01,072 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-12 22:59:01,074 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-12 22:59:01,074 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-12 22:59:01,074 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-12 22:59:01,081 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:59:01" (1/1) ... [2024-10-12 22:59:01,140 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:59:01" (1/1) ... [2024-10-12 22:59:01,969 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 6282 [2024-10-12 22:59:01,969 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-12 22:59:01,970 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-12 22:59:01,970 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-12 22:59:01,970 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-12 22:59:01,979 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:59:01" (1/1) ... [2024-10-12 22:59:01,979 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:59:01" (1/1) ... [2024-10-12 22:59:02,267 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:59:01" (1/1) ... [2024-10-12 22:59:02,528 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 22:59:02,531 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:59:01" (1/1) ... [2024-10-12 22:59:02,535 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:59:01" (1/1) ... [2024-10-12 22:59:02,870 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:59:01" (1/1) ... [2024-10-12 22:59:02,921 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:59:01" (1/1) ... [2024-10-12 22:59:02,973 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:59:01" (1/1) ... [2024-10-12 22:59:03,007 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:59:01" (1/1) ... [2024-10-12 22:59:03,146 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-12 22:59:03,148 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-12 22:59:03,148 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-12 22:59:03,148 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-12 22:59:03,149 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:59:01" (1/1) ... [2024-10-12 22:59:03,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-12 22:59:03,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 22:59:03,184 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 22:59:03,188 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 22:59:03,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-12 22:59:03,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-12 22:59:03,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-12 22:59:03,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-12 22:59:03,651 INFO L238 CfgBuilder]: Building ICFG [2024-10-12 22:59:03,653 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-12 22:59:09,566 INFO L? ?]: Removed 3407 outVars from TransFormulas that were not future-live. [2024-10-12 22:59:09,566 INFO L287 CfgBuilder]: Performing block encoding [2024-10-12 22:59:09,699 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-12 22:59:09,699 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-12 22:59:09,700 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 10:59:09 BoogieIcfgContainer [2024-10-12 22:59:09,700 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-12 22:59:09,703 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-12 22:59:09,704 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-12 22:59:09,707 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-12 22:59:09,707 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 10:59:00" (1/3) ... [2024-10-12 22:59:09,708 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a4b7720 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 10:59:09, skipping insertion in model container [2024-10-12 22:59:09,708 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:59:01" (2/3) ... [2024-10-12 22:59:09,709 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a4b7720 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 10:59:09, skipping insertion in model container [2024-10-12 22:59:09,710 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 10:59:09" (3/3) ... [2024-10-12 22:59:09,711 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.lann.1.prop1-func-interl.c [2024-10-12 22:59:09,727 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-12 22:59:09,728 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-12 22:59:09,846 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-12 22:59:09,852 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;@2f9cd53, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-12 22:59:09,852 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-12 22:59:09,864 INFO L276 IsEmpty]: Start isEmpty. Operand has 2267 states, 2265 states have (on average 1.5002207505518763) internal successors, (3398), 2266 states have internal predecessors, (3398), 0 states have call successors, (0), 0 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 22:59:09,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-10-12 22:59:09,877 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 22:59:09,878 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 22:59:09,878 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 22:59:09,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 22:59:09,885 INFO L85 PathProgramCache]: Analyzing trace with hash 1633012953, now seen corresponding path program 1 times [2024-10-12 22:59:09,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 22:59:09,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813842419] [2024-10-12 22:59:09,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 22:59:09,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 22:59:10,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 22:59:10,879 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 22:59:10,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 22:59:10,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813842419] [2024-10-12 22:59:10,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813842419] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 22:59:10,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 22:59:10,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-12 22:59:10,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314019101] [2024-10-12 22:59:10,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 22:59:10,889 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-12 22:59:10,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 22:59:10,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-12 22:59:10,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-12 22:59:10,920 INFO L87 Difference]: Start difference. First operand has 2267 states, 2265 states have (on average 1.5002207505518763) internal successors, (3398), 2266 states have internal predecessors, (3398), 0 states have call successors, (0), 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 27.0) internal successors, (108), 4 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 22:59:11,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 22:59:11,099 INFO L93 Difference]: Finished difference Result 4434 states and 6648 transitions. [2024-10-12 22:59:11,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-12 22:59:11,101 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 108 [2024-10-12 22:59:11,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 22:59:11,127 INFO L225 Difference]: With dead ends: 4434 [2024-10-12 22:59:11,127 INFO L226 Difference]: Without dead ends: 2268 [2024-10-12 22:59:11,134 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 22:59:11,138 INFO L432 NwaCegarLoop]: 3393 mSDtfsCounter, 0 mSDsluCounter, 6781 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10174 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 22:59:11,139 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10174 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-12 22:59:11,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2268 states. [2024-10-12 22:59:11,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2268 to 2268. [2024-10-12 22:59:11,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2268 states, 2267 states have (on average 1.4988972209969122) internal successors, (3398), 2267 states have internal predecessors, (3398), 0 states have call successors, (0), 0 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 22:59:11,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2268 states to 2268 states and 3398 transitions. [2024-10-12 22:59:11,250 INFO L78 Accepts]: Start accepts. Automaton has 2268 states and 3398 transitions. Word has length 108 [2024-10-12 22:59:11,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 22:59:11,251 INFO L471 AbstractCegarLoop]: Abstraction has 2268 states and 3398 transitions. [2024-10-12 22:59:11,252 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 22:59:11,252 INFO L276 IsEmpty]: Start isEmpty. Operand 2268 states and 3398 transitions. [2024-10-12 22:59:11,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-10-12 22:59:11,255 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 22:59:11,255 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 22:59:11,255 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-12 22:59:11,256 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 22:59:11,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 22:59:11,256 INFO L85 PathProgramCache]: Analyzing trace with hash -914510180, now seen corresponding path program 1 times [2024-10-12 22:59:11,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 22:59:11,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481834121] [2024-10-12 22:59:11,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 22:59:11,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 22:59:11,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 22:59:11,592 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 22:59:11,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 22:59:11,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481834121] [2024-10-12 22:59:11,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1481834121] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 22:59:11,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 22:59:11,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-12 22:59:11,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395354656] [2024-10-12 22:59:11,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 22:59:11,595 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-12 22:59:11,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 22:59:11,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-12 22:59:11,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-12 22:59:11,596 INFO L87 Difference]: Start difference. First operand 2268 states and 3398 transitions. Second operand has 4 states, 4 states have (on average 27.25) internal successors, (109), 4 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 22:59:11,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 22:59:11,693 INFO L93 Difference]: Finished difference Result 4437 states and 6648 transitions. [2024-10-12 22:59:11,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-12 22:59:11,694 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.25) internal successors, (109), 4 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2024-10-12 22:59:11,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 22:59:11,704 INFO L225 Difference]: With dead ends: 4437 [2024-10-12 22:59:11,705 INFO L226 Difference]: Without dead ends: 2270 [2024-10-12 22:59:11,708 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 22:59:11,710 INFO L432 NwaCegarLoop]: 3393 mSDtfsCounter, 0 mSDsluCounter, 6778 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10171 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 22:59:11,711 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10171 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-12 22:59:11,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2270 states. [2024-10-12 22:59:11,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2270 to 2270. [2024-10-12 22:59:11,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2270 states, 2269 states have (on average 1.498457470251212) internal successors, (3400), 2269 states have internal predecessors, (3400), 0 states have call successors, (0), 0 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 22:59:11,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2270 states to 2270 states and 3400 transitions. [2024-10-12 22:59:11,763 INFO L78 Accepts]: Start accepts. Automaton has 2270 states and 3400 transitions. Word has length 109 [2024-10-12 22:59:11,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 22:59:11,765 INFO L471 AbstractCegarLoop]: Abstraction has 2270 states and 3400 transitions. [2024-10-12 22:59:11,766 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.25) internal successors, (109), 4 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 22:59:11,766 INFO L276 IsEmpty]: Start isEmpty. Operand 2270 states and 3400 transitions. [2024-10-12 22:59:11,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-10-12 22:59:11,771 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 22:59:11,771 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 22:59:11,772 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-12 22:59:11,772 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 22:59:11,772 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 22:59:11,772 INFO L85 PathProgramCache]: Analyzing trace with hash 616990226, now seen corresponding path program 1 times [2024-10-12 22:59:11,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 22:59:11,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215474233] [2024-10-12 22:59:11,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 22:59:11,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 22:59:11,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 22:59:12,024 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 22:59:12,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 22:59:12,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215474233] [2024-10-12 22:59:12,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215474233] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 22:59:12,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 22:59:12,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-12 22:59:12,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112580830] [2024-10-12 22:59:12,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 22:59:12,028 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-12 22:59:12,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 22:59:12,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-12 22:59:12,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-12 22:59:12,030 INFO L87 Difference]: Start difference. First operand 2270 states and 3400 transitions. Second operand has 4 states, 4 states have (on average 27.5) internal successors, (110), 4 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 22:59:12,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 22:59:12,118 INFO L93 Difference]: Finished difference Result 4441 states and 6652 transitions. [2024-10-12 22:59:12,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-12 22:59:12,119 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.5) internal successors, (110), 4 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2024-10-12 22:59:12,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 22:59:12,129 INFO L225 Difference]: With dead ends: 4441 [2024-10-12 22:59:12,129 INFO L226 Difference]: Without dead ends: 2272 [2024-10-12 22:59:12,132 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 22:59:12,135 INFO L432 NwaCegarLoop]: 3393 mSDtfsCounter, 0 mSDsluCounter, 6772 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10165 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-12 22:59:12,137 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10165 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-12 22:59:12,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2272 states. [2024-10-12 22:59:12,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2272 to 2272. [2024-10-12 22:59:12,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2272 states, 2271 states have (on average 1.4980184940554822) internal successors, (3402), 2271 states have internal predecessors, (3402), 0 states have call successors, (0), 0 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 22:59:12,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2272 states to 2272 states and 3402 transitions. [2024-10-12 22:59:12,182 INFO L78 Accepts]: Start accepts. Automaton has 2272 states and 3402 transitions. Word has length 110 [2024-10-12 22:59:12,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 22:59:12,183 INFO L471 AbstractCegarLoop]: Abstraction has 2272 states and 3402 transitions. [2024-10-12 22:59:12,184 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.5) internal successors, (110), 4 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 22:59:12,184 INFO L276 IsEmpty]: Start isEmpty. Operand 2272 states and 3402 transitions. [2024-10-12 22:59:12,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-10-12 22:59:12,186 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 22:59:12,188 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 22:59:12,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-12 22:59:12,189 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 22:59:12,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 22:59:12,189 INFO L85 PathProgramCache]: Analyzing trace with hash -1439251997, now seen corresponding path program 1 times [2024-10-12 22:59:12,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 22:59:12,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639226066] [2024-10-12 22:59:12,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 22:59:12,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 22:59:12,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 22:59:12,444 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 22:59:12,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 22:59:12,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639226066] [2024-10-12 22:59:12,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639226066] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 22:59:12,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 22:59:12,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-12 22:59:12,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412560404] [2024-10-12 22:59:12,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 22:59:12,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-12 22:59:12,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 22:59:12,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-12 22:59:12,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-12 22:59:12,448 INFO L87 Difference]: Start difference. First operand 2272 states and 3402 transitions. Second operand has 4 states, 4 states have (on average 27.75) internal successors, (111), 4 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 22:59:12,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 22:59:12,537 INFO L93 Difference]: Finished difference Result 4451 states and 6664 transitions. [2024-10-12 22:59:12,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-12 22:59:12,538 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.75) internal successors, (111), 4 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2024-10-12 22:59:12,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 22:59:12,549 INFO L225 Difference]: With dead ends: 4451 [2024-10-12 22:59:12,549 INFO L226 Difference]: Without dead ends: 2280 [2024-10-12 22:59:12,554 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 22:59:12,555 INFO L432 NwaCegarLoop]: 3393 mSDtfsCounter, 3 mSDsluCounter, 6772 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 10165 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-12 22:59:12,556 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 10165 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-12 22:59:12,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2280 states. [2024-10-12 22:59:12,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2280 to 2276. [2024-10-12 22:59:12,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2276 states, 2275 states have (on average 1.4980219780219781) internal successors, (3408), 2275 states have internal predecessors, (3408), 0 states have call successors, (0), 0 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 22:59:12,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2276 states to 2276 states and 3408 transitions. [2024-10-12 22:59:12,599 INFO L78 Accepts]: Start accepts. Automaton has 2276 states and 3408 transitions. Word has length 111 [2024-10-12 22:59:12,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 22:59:12,599 INFO L471 AbstractCegarLoop]: Abstraction has 2276 states and 3408 transitions. [2024-10-12 22:59:12,599 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.75) internal successors, (111), 4 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 22:59:12,599 INFO L276 IsEmpty]: Start isEmpty. Operand 2276 states and 3408 transitions. [2024-10-12 22:59:12,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-10-12 22:59:12,600 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 22:59:12,600 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:59:12,601 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-12 22:59:12,601 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 22:59:12,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 22:59:12,601 INFO L85 PathProgramCache]: Analyzing trace with hash -552945077, now seen corresponding path program 1 times [2024-10-12 22:59:12,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 22:59:12,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36457673] [2024-10-12 22:59:12,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 22:59:12,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 22:59:12,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 22:59:12,918 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 22:59:12,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 22:59:12,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36457673] [2024-10-12 22:59:12,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36457673] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 22:59:12,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 22:59:12,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-12 22:59:12,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382998165] [2024-10-12 22:59:12,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 22:59:12,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-12 22:59:12,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 22:59:12,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-12 22:59:12,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-12 22:59:12,922 INFO L87 Difference]: Start difference. First operand 2276 states and 3408 transitions. Second operand has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 5 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 22:59:14,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 22:59:14,935 INFO L93 Difference]: Finished difference Result 9506 states and 14235 transitions. [2024-10-12 22:59:14,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-12 22:59:14,935 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 5 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2024-10-12 22:59:14,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 22:59:14,950 INFO L225 Difference]: With dead ends: 9506 [2024-10-12 22:59:14,951 INFO L226 Difference]: Without dead ends: 4087 [2024-10-12 22:59:14,957 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-12 22:59:14,960 INFO L432 NwaCegarLoop]: 3248 mSDtfsCounter, 9328 mSDsluCounter, 11962 mSDsCounter, 0 mSdLazyCounter, 1750 mSolverCounterSat, 309 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9328 SdHoareTripleChecker+Valid, 15210 SdHoareTripleChecker+Invalid, 2059 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 309 IncrementalHoareTripleChecker+Valid, 1750 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-10-12 22:59:14,961 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9328 Valid, 15210 Invalid, 2059 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [309 Valid, 1750 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-10-12 22:59:14,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4087 states. [2024-10-12 22:59:15,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4087 to 2362. [2024-10-12 22:59:15,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2362 states, 2361 states have (on average 1.4976704786107582) internal successors, (3536), 2361 states have internal predecessors, (3536), 0 states have call successors, (0), 0 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 22:59:15,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2362 states to 2362 states and 3536 transitions. [2024-10-12 22:59:15,022 INFO L78 Accepts]: Start accepts. Automaton has 2362 states and 3536 transitions. Word has length 112 [2024-10-12 22:59:15,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 22:59:15,023 INFO L471 AbstractCegarLoop]: Abstraction has 2362 states and 3536 transitions. [2024-10-12 22:59:15,023 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 5 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 22:59:15,023 INFO L276 IsEmpty]: Start isEmpty. Operand 2362 states and 3536 transitions. [2024-10-12 22:59:15,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-10-12 22:59:15,024 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 22:59:15,026 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 22:59:15,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-12 22:59:15,027 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 22:59:15,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 22:59:15,028 INFO L85 PathProgramCache]: Analyzing trace with hash 484630449, now seen corresponding path program 1 times [2024-10-12 22:59:15,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 22:59:15,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887176577] [2024-10-12 22:59:15,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 22:59:15,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 22:59:15,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 22:59:15,335 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 22:59:15,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 22:59:15,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887176577] [2024-10-12 22:59:15,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887176577] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 22:59:15,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 22:59:15,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-12 22:59:15,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903012469] [2024-10-12 22:59:15,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 22:59:15,337 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-12 22:59:15,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 22:59:15,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-12 22:59:15,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-12 22:59:15,338 INFO L87 Difference]: Start difference. First operand 2362 states and 3536 transitions. Second operand has 5 states, 5 states have (on average 22.6) internal successors, (113), 4 states have internal predecessors, (113), 0 states have call successors, (0), 0 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 22:59:17,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 22:59:17,958 INFO L93 Difference]: Finished difference Result 6262 states and 9375 transitions. [2024-10-12 22:59:17,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-12 22:59:17,959 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.6) internal successors, (113), 4 states have internal predecessors, (113), 0 states have call successors, (0), 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 113 [2024-10-12 22:59:17,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 22:59:17,973 INFO L225 Difference]: With dead ends: 6262 [2024-10-12 22:59:17,975 INFO L226 Difference]: Without dead ends: 4087 [2024-10-12 22:59:17,981 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 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 22:59:17,982 INFO L432 NwaCegarLoop]: 2536 mSDtfsCounter, 2755 mSDsluCounter, 7156 mSDsCounter, 0 mSdLazyCounter, 3741 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2755 SdHoareTripleChecker+Valid, 9692 SdHoareTripleChecker+Invalid, 3741 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3741 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-10-12 22:59:17,984 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2755 Valid, 9692 Invalid, 3741 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3741 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-10-12 22:59:17,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4087 states. [2024-10-12 22:59:18,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4087 to 2363. [2024-10-12 22:59:18,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2363 states, 2362 states have (on average 1.4974597798475868) internal successors, (3537), 2362 states have internal predecessors, (3537), 0 states have call successors, (0), 0 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 22:59:18,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2363 states to 2363 states and 3537 transitions. [2024-10-12 22:59:18,039 INFO L78 Accepts]: Start accepts. Automaton has 2363 states and 3537 transitions. Word has length 113 [2024-10-12 22:59:18,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 22:59:18,039 INFO L471 AbstractCegarLoop]: Abstraction has 2363 states and 3537 transitions. [2024-10-12 22:59:18,040 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.6) internal successors, (113), 4 states have internal predecessors, (113), 0 states have call successors, (0), 0 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 22:59:18,041 INFO L276 IsEmpty]: Start isEmpty. Operand 2363 states and 3537 transitions. [2024-10-12 22:59:18,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-10-12 22:59:18,043 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 22:59:18,043 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:59:18,043 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-12 22:59:18,044 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 22:59:18,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 22:59:18,044 INFO L85 PathProgramCache]: Analyzing trace with hash -406516376, now seen corresponding path program 1 times [2024-10-12 22:59:18,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 22:59:18,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019905392] [2024-10-12 22:59:18,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 22:59:18,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 22:59:18,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 22:59:18,408 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 22:59:18,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 22:59:18,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019905392] [2024-10-12 22:59:18,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019905392] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 22:59:18,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 22:59:18,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-12 22:59:18,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496907230] [2024-10-12 22:59:18,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 22:59:18,411 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-12 22:59:18,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 22:59:18,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-12 22:59:18,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-12 22:59:18,412 INFO L87 Difference]: Start difference. First operand 2363 states and 3537 transitions. Second operand has 5 states, 5 states have (on average 22.8) internal successors, (114), 4 states have internal predecessors, (114), 0 states have call successors, (0), 0 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 22:59:20,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 22:59:20,573 INFO L93 Difference]: Finished difference Result 6610 states and 9896 transitions. [2024-10-12 22:59:20,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-12 22:59:20,574 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.8) internal successors, (114), 4 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2024-10-12 22:59:20,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 22:59:20,587 INFO L225 Difference]: With dead ends: 6610 [2024-10-12 22:59:20,588 INFO L226 Difference]: Without dead ends: 4435 [2024-10-12 22:59:20,591 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 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 22:59:20,592 INFO L432 NwaCegarLoop]: 2426 mSDtfsCounter, 3275 mSDsluCounter, 7159 mSDsCounter, 0 mSdLazyCounter, 3848 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3275 SdHoareTripleChecker+Valid, 9585 SdHoareTripleChecker+Invalid, 3849 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3848 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-10-12 22:59:20,592 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3275 Valid, 9585 Invalid, 3849 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3848 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-10-12 22:59:20,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4435 states. [2024-10-12 22:59:20,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4435 to 2371. [2024-10-12 22:59:20,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2371 states, 2370 states have (on average 1.4966244725738396) internal successors, (3547), 2370 states have internal predecessors, (3547), 0 states have call successors, (0), 0 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 22:59:20,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2371 states to 2371 states and 3547 transitions. [2024-10-12 22:59:20,640 INFO L78 Accepts]: Start accepts. Automaton has 2371 states and 3547 transitions. Word has length 114 [2024-10-12 22:59:20,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 22:59:20,641 INFO L471 AbstractCegarLoop]: Abstraction has 2371 states and 3547 transitions. [2024-10-12 22:59:20,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.8) internal successors, (114), 4 states have internal predecessors, (114), 0 states have call successors, (0), 0 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 22:59:20,641 INFO L276 IsEmpty]: Start isEmpty. Operand 2371 states and 3547 transitions. [2024-10-12 22:59:20,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-10-12 22:59:20,642 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 22:59:20,642 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 22:59:20,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-12 22:59:20,643 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 22:59:20,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 22:59:20,643 INFO L85 PathProgramCache]: Analyzing trace with hash 516879081, now seen corresponding path program 1 times [2024-10-12 22:59:20,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 22:59:20,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133448700] [2024-10-12 22:59:20,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 22:59:20,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 22:59:20,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 22:59:21,147 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 22:59:21,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 22:59:21,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133448700] [2024-10-12 22:59:21,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2133448700] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 22:59:21,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 22:59:21,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-12 22:59:21,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578636610] [2024-10-12 22:59:21,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 22:59:21,148 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-12 22:59:21,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 22:59:21,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-12 22:59:21,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-12 22:59:21,150 INFO L87 Difference]: Start difference. First operand 2371 states and 3547 transitions. Second operand has 6 states, 6 states have (on average 19.166666666666668) internal successors, (115), 5 states have internal predecessors, (115), 0 states have call successors, (0), 0 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 22:59:23,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 22:59:23,114 INFO L93 Difference]: Finished difference Result 4561 states and 6825 transitions. [2024-10-12 22:59:23,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-12 22:59:23,115 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.166666666666668) internal successors, (115), 5 states have internal predecessors, (115), 0 states have call successors, (0), 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 115 [2024-10-12 22:59:23,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 22:59:23,123 INFO L225 Difference]: With dead ends: 4561 [2024-10-12 22:59:23,123 INFO L226 Difference]: Without dead ends: 2386 [2024-10-12 22:59:23,126 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-10-12 22:59:23,126 INFO L432 NwaCegarLoop]: 2412 mSDtfsCounter, 3310 mSDsluCounter, 7225 mSDsCounter, 0 mSdLazyCounter, 3946 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3310 SdHoareTripleChecker+Valid, 9637 SdHoareTripleChecker+Invalid, 3947 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3946 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-10-12 22:59:23,127 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3310 Valid, 9637 Invalid, 3947 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3946 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-10-12 22:59:23,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2386 states. [2024-10-12 22:59:23,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2386 to 2384. [2024-10-12 22:59:23,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2384 states, 2383 states have (on average 1.4947545111204363) internal successors, (3562), 2383 states have internal predecessors, (3562), 0 states have call successors, (0), 0 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 22:59:23,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2384 states to 2384 states and 3562 transitions. [2024-10-12 22:59:23,165 INFO L78 Accepts]: Start accepts. Automaton has 2384 states and 3562 transitions. Word has length 115 [2024-10-12 22:59:23,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 22:59:23,165 INFO L471 AbstractCegarLoop]: Abstraction has 2384 states and 3562 transitions. [2024-10-12 22:59:23,169 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.166666666666668) internal successors, (115), 5 states have internal predecessors, (115), 0 states have call successors, (0), 0 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 22:59:23,169 INFO L276 IsEmpty]: Start isEmpty. Operand 2384 states and 3562 transitions. [2024-10-12 22:59:23,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-10-12 22:59:23,170 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 22:59:23,170 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 22:59:23,170 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-12 22:59:23,171 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 22:59:23,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 22:59:23,171 INFO L85 PathProgramCache]: Analyzing trace with hash -837270711, now seen corresponding path program 1 times [2024-10-12 22:59:23,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 22:59:23,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108874479] [2024-10-12 22:59:23,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 22:59:23,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 22:59:23,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 22:59:23,294 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 22:59:23,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 22:59:23,453 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 22:59:23,453 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-12 22:59:23,455 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-12 22:59:23,457 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-12 22:59:23,460 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 22:59:23,573 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-12 22:59:23,579 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 10:59:23 BoogieIcfgContainer [2024-10-12 22:59:23,579 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-12 22:59:23,580 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-12 22:59:23,580 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-12 22:59:23,580 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-12 22:59:23,581 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 10:59:09" (3/4) ... [2024-10-12 22:59:23,583 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-12 22:59:23,584 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-12 22:59:23,585 INFO L158 Benchmark]: Toolchain (without parser) took 23424.14ms. Allocated memory was 159.4MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 101.8MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 230.1MB. Max. memory is 16.1GB. [2024-10-12 22:59:23,585 INFO L158 Benchmark]: CDTParser took 0.52ms. Allocated memory is still 159.4MB. Free memory is still 124.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-12 22:59:23,585 INFO L158 Benchmark]: CACSL2BoogieTranslator took 909.05ms. Allocated memory is still 159.4MB. Free memory was 101.8MB in the beginning and 92.0MB in the end (delta: 9.8MB). Peak memory consumption was 78.2MB. Max. memory is 16.1GB. [2024-10-12 22:59:23,586 INFO L158 Benchmark]: Boogie Procedure Inliner took 895.62ms. Allocated memory was 159.4MB in the beginning and 253.8MB in the end (delta: 94.4MB). Free memory was 92.0MB in the beginning and 101.7MB in the end (delta: -9.7MB). Peak memory consumption was 161.3MB. Max. memory is 16.1GB. [2024-10-12 22:59:23,586 INFO L158 Benchmark]: Boogie Preprocessor took 1176.19ms. Allocated memory was 253.8MB in the beginning and 507.5MB in the end (delta: 253.8MB). Free memory was 101.7MB in the beginning and 297.8MB in the end (delta: -196.1MB). Peak memory consumption was 59.8MB. Max. memory is 16.1GB. [2024-10-12 22:59:23,586 INFO L158 Benchmark]: RCFGBuilder took 6552.50ms. Allocated memory was 507.5MB in the beginning and 1.1GB in the end (delta: 625.0MB). Free memory was 297.8MB in the beginning and 657.5MB in the end (delta: -359.7MB). Peak memory consumption was 269.5MB. Max. memory is 16.1GB. [2024-10-12 22:59:23,587 INFO L158 Benchmark]: TraceAbstraction took 13876.36ms. Allocated memory was 1.1GB in the beginning and 1.8GB in the end (delta: 660.6MB). Free memory was 657.5MB in the beginning and 1.5GB in the end (delta: -850.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-12 22:59:23,587 INFO L158 Benchmark]: Witness Printer took 3.90ms. Allocated memory is still 1.8GB. Free memory was 1.5GB in the beginning and 1.5GB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-12 22:59:23,589 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52ms. Allocated memory is still 159.4MB. Free memory is still 124.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 909.05ms. Allocated memory is still 159.4MB. Free memory was 101.8MB in the beginning and 92.0MB in the end (delta: 9.8MB). Peak memory consumption was 78.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 895.62ms. Allocated memory was 159.4MB in the beginning and 253.8MB in the end (delta: 94.4MB). Free memory was 92.0MB in the beginning and 101.7MB in the end (delta: -9.7MB). Peak memory consumption was 161.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1176.19ms. Allocated memory was 253.8MB in the beginning and 507.5MB in the end (delta: 253.8MB). Free memory was 101.7MB in the beginning and 297.8MB in the end (delta: -196.1MB). Peak memory consumption was 59.8MB. Max. memory is 16.1GB. * RCFGBuilder took 6552.50ms. Allocated memory was 507.5MB in the beginning and 1.1GB in the end (delta: 625.0MB). Free memory was 297.8MB in the beginning and 657.5MB in the end (delta: -359.7MB). Peak memory consumption was 269.5MB. Max. memory is 16.1GB. * TraceAbstraction took 13876.36ms. Allocated memory was 1.1GB in the beginning and 1.8GB in the end (delta: 660.6MB). Free memory was 657.5MB in the beginning and 1.5GB in the end (delta: -850.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.90ms. Allocated memory is still 1.8GB. Free memory was 1.5GB in the beginning and 1.5GB 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 bitwiseAnd at line 236. 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 - 8); [L30] const SORT_2 msb_SORT_2 = (SORT_2)1 << (8 - 1); [L32] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 24); [L33] const SORT_3 msb_SORT_3 = (SORT_3)1 << (24 - 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_2 var_5 = 0; [L39] const SORT_1 var_24 = 0; [L40] const SORT_4 var_57 = 1; [L41] const SORT_4 var_58 = 0; [L42] const SORT_2 var_68 = 2; [L43] const SORT_2 var_70 = 1; [L44] const SORT_2 var_72 = 0; [L45] const SORT_2 var_108 = 6; [L46] const SORT_2 var_109 = 255; [L47] const SORT_2 var_118 = 24; [L48] const SORT_2 var_127 = 14; [L49] const SORT_3 var_292 = 0; [L50] const SORT_4 var_294 = 6; [L51] const SORT_4 var_326 = 24; [L52] const SORT_4 var_358 = 14; [L54] SORT_1 input_67; [L55] SORT_1 input_69; [L56] SORT_1 input_71; [L57] SORT_1 input_73; [L58] SORT_1 input_79; [L59] SORT_1 input_82; [L60] SORT_1 input_83; [L61] SORT_1 input_84; [L62] SORT_1 input_85; [L63] SORT_1 input_91; [L64] SORT_1 input_94; [L65] SORT_1 input_95; [L66] SORT_1 input_96; [L67] SORT_1 input_97; [L68] SORT_1 input_103; [L69] SORT_1 input_106; [L70] SORT_1 input_107; [L71] SORT_1 input_116; [L72] SORT_1 input_117; [L73] SORT_1 input_125; [L74] SORT_1 input_126; [L75] SORT_1 input_141; [L76] SORT_1 input_143; [L77] SORT_1 input_162; [L78] SORT_1 input_164; [L79] SORT_1 input_183; [L80] SORT_1 input_185; [L82] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_108=6, var_109=255, var_118=24, var_127=14, var_24=0, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_5=0, var_68=2, var_70=1, var_72=0] [L82] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L83] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_108=6, var_109=255, var_118=24, var_127=14, var_24=0, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_5=0, var_68=2, var_70=1, var_72=0] [L83] SORT_2 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L84] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_108=6, var_109=255, var_118=24, var_127=14, var_24=0, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_5=0, var_68=2, var_70=1, var_72=0] [L84] SORT_2 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L85] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_108=6, var_109=255, var_118=24, var_127=14, var_24=0, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_5=0, var_68=2, var_70=1, var_72=0] [L85] SORT_2 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L86] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_108=6, var_109=255, var_118=24, var_127=14, var_24=0, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_5=0, var_68=2, var_70=1, var_72=0] [L86] SORT_2 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L87] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_108=6, var_109=255, var_118=24, var_127=14, var_24=0, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_5=0, var_68=2, var_70=1, var_72=0] [L87] SORT_2 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L88] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_108=6, var_109=255, var_118=24, var_127=14, var_24=0, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_5=0, var_68=2, var_70=1, var_72=0] [L88] SORT_2 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L89] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_108=6, var_109=255, var_118=24, var_127=14, var_24=0, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_5=0, var_68=2, var_70=1, var_72=0] [L89] SORT_2 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L90] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_108=6, var_109=255, var_118=24, var_127=14, var_24=0, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_5=0, var_68=2, var_70=1, var_72=0] [L90] SORT_2 state_22 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L91] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_108=6, var_109=255, var_118=24, var_127=14, var_24=0, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_5=0, var_68=2, var_70=1, var_72=0] [L91] SORT_1 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L92] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_108=6, var_109=255, var_118=24, var_127=14, var_24=0, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_5=0, var_68=2, var_70=1, var_72=0] [L92] SORT_1 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L93] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_108=6, var_109=255, var_118=24, var_127=14, var_24=0, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_5=0, var_68=2, var_70=1, var_72=0] [L93] SORT_1 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L94] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_108=6, var_109=255, var_118=24, var_127=14, var_24=0, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_5=0, var_68=2, var_70=1, var_72=0] [L94] SORT_1 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L95] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_108=6, var_109=255, var_118=24, var_127=14, var_24=0, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_5=0, var_68=2, var_70=1, var_72=0] [L95] SORT_1 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L96] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_108=6, var_109=255, var_118=24, var_127=14, var_24=0, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_5=0, var_68=2, var_70=1, var_72=0] [L96] SORT_1 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L97] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_108=6, var_109=255, var_118=24, var_127=14, var_24=0, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_5=0, var_68=2, var_70=1, var_72=0] [L97] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L98] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_108=6, var_109=255, var_118=24, var_127=14, var_24=0, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_5=0, var_68=2, var_70=1, var_72=0] [L98] SORT_1 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L99] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_108=6, var_109=255, var_118=24, var_127=14, var_24=0, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_5=0, var_68=2, var_70=1, var_72=0] [L99] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L100] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_108=6, var_109=255, var_118=24, var_127=14, var_24=0, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_5=0, var_68=2, var_70=1, var_72=0] [L100] SORT_1 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L101] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_108=6, var_109=255, var_118=24, var_127=14, var_24=0, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_5=0, var_68=2, var_70=1, var_72=0] [L101] SORT_1 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L102] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_108=6, var_109=255, var_118=24, var_127=14, var_24=0, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_5=0, var_68=2, var_70=1, var_72=0] [L102] SORT_1 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L103] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_108=6, var_109=255, var_118=24, var_127=14, var_24=0, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_5=0, var_68=2, var_70=1, var_72=0] [L103] SORT_1 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L104] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_108=6, var_109=255, var_118=24, var_127=14, var_24=0, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_5=0, var_68=2, var_70=1, var_72=0] [L104] SORT_1 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L105] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_108=6, var_109=255, var_118=24, var_127=14, var_24=0, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_5=0, var_68=2, var_70=1, var_72=0] [L105] SORT_1 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L106] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_108=6, var_109=255, var_118=24, var_127=14, var_24=0, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_5=0, var_68=2, var_70=1, var_72=0] [L106] SORT_1 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L108] SORT_2 init_7_arg_1 = var_5; [L109] state_6 = init_7_arg_1 [L110] SORT_2 init_9_arg_1 = var_5; [L111] state_8 = init_9_arg_1 [L112] SORT_2 init_11_arg_1 = var_5; [L113] state_10 = init_11_arg_1 [L114] SORT_2 init_13_arg_1 = var_5; [L115] state_12 = init_13_arg_1 [L116] SORT_2 init_15_arg_1 = var_5; [L117] state_14 = init_15_arg_1 [L118] SORT_2 init_17_arg_1 = var_5; [L119] state_16 = init_17_arg_1 [L120] SORT_2 init_19_arg_1 = var_5; [L121] state_18 = init_19_arg_1 [L122] SORT_2 init_21_arg_1 = var_5; [L123] state_20 = init_21_arg_1 [L124] SORT_2 init_23_arg_1 = var_5; [L125] state_22 = init_23_arg_1 [L126] SORT_1 init_26_arg_1 = var_24; [L127] state_25 = init_26_arg_1 [L128] SORT_1 init_28_arg_1 = var_24; [L129] state_27 = init_28_arg_1 [L130] SORT_1 init_30_arg_1 = var_24; [L131] state_29 = init_30_arg_1 [L132] SORT_1 init_32_arg_1 = var_24; [L133] state_31 = init_32_arg_1 [L134] SORT_1 init_34_arg_1 = var_24; [L135] state_33 = init_34_arg_1 [L136] SORT_1 init_36_arg_1 = var_24; [L137] state_35 = init_36_arg_1 [L138] SORT_1 init_38_arg_1 = var_24; [L139] state_37 = init_38_arg_1 [L140] SORT_1 init_40_arg_1 = var_24; [L141] state_39 = init_40_arg_1 [L142] SORT_1 init_42_arg_1 = var_24; [L143] state_41 = init_42_arg_1 [L144] SORT_1 init_44_arg_1 = var_24; [L145] state_43 = init_44_arg_1 [L146] SORT_1 init_46_arg_1 = var_24; [L147] state_45 = init_46_arg_1 [L148] SORT_1 init_48_arg_1 = var_24; [L149] state_47 = init_48_arg_1 [L150] SORT_1 init_50_arg_1 = var_24; [L151] state_49 = init_50_arg_1 [L152] SORT_1 init_52_arg_1 = var_24; [L153] state_51 = init_52_arg_1 [L154] SORT_1 init_54_arg_1 = var_24; [L155] state_53 = init_54_arg_1 [L156] SORT_1 init_56_arg_1 = var_24; [L157] state_55 = init_56_arg_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_6=0, state_8=0, var_108=6, var_109=255, var_118=24, var_127=14, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_68=2, var_70=1, var_72=0] [L160] input_67 = __VERIFIER_nondet_uchar() [L161] EXPR input_67 & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_6=0, state_8=0, var_108=6, var_109=255, var_118=24, var_127=14, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_68=2, var_70=1, var_72=0] [L161] input_67 = input_67 & mask_SORT_1 [L162] input_69 = __VERIFIER_nondet_uchar() [L163] EXPR input_69 & mask_SORT_1 VAL [input_67=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_6=0, state_8=0, var_108=6, var_109=255, var_118=24, var_127=14, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_68=2, var_70=1, var_72=0] [L163] input_69 = input_69 & mask_SORT_1 [L164] input_71 = __VERIFIER_nondet_uchar() [L165] EXPR input_71 & mask_SORT_1 VAL [input_67=0, input_69=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_6=0, state_8=0, var_108=6, var_109=255, var_118=24, var_127=14, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_68=2, var_70=1, var_72=0] [L165] input_71 = input_71 & mask_SORT_1 [L166] input_73 = __VERIFIER_nondet_uchar() [L167] EXPR input_73 & mask_SORT_1 VAL [input_67=0, input_69=0, input_71=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_6=0, state_8=0, var_108=6, var_109=255, var_118=24, var_127=14, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_68=2, var_70=1, var_72=0] [L167] input_73 = input_73 & mask_SORT_1 [L168] input_79 = __VERIFIER_nondet_uchar() [L169] EXPR input_79 & mask_SORT_1 VAL [input_67=0, input_69=0, input_71=0, input_73=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_6=0, state_8=0, var_108=6, var_109=255, var_118=24, var_127=14, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_68=2, var_70=1, var_72=0] [L169] input_79 = input_79 & mask_SORT_1 [L170] input_82 = __VERIFIER_nondet_uchar() [L171] EXPR input_82 & mask_SORT_1 VAL [input_67=0, input_69=0, input_71=0, input_73=0, input_79=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_6=0, state_8=0, var_108=6, var_109=255, var_118=24, var_127=14, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_68=2, var_70=1, var_72=0] [L171] input_82 = input_82 & mask_SORT_1 [L172] input_83 = __VERIFIER_nondet_uchar() [L173] EXPR input_83 & mask_SORT_1 VAL [input_67=0, input_69=0, input_71=0, input_73=0, input_79=0, input_82=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_6=0, state_8=0, var_108=6, var_109=255, var_118=24, var_127=14, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_68=2, var_70=1, var_72=0] [L173] input_83 = input_83 & mask_SORT_1 [L174] input_84 = __VERIFIER_nondet_uchar() [L175] EXPR input_84 & mask_SORT_1 VAL [input_67=0, input_69=0, input_71=0, input_73=0, input_79=0, input_82=0, input_83=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_6=0, state_8=0, var_108=6, var_109=255, var_118=24, var_127=14, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_68=2, var_70=1, var_72=0] [L175] input_84 = input_84 & mask_SORT_1 [L176] input_85 = __VERIFIER_nondet_uchar() [L177] EXPR input_85 & mask_SORT_1 VAL [input_67=0, input_69=0, input_71=0, input_73=0, input_79=0, input_82=0, input_83=0, input_84=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_6=0, state_8=0, var_108=6, var_109=255, var_118=24, var_127=14, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_68=2, var_70=1, var_72=0] [L177] input_85 = input_85 & mask_SORT_1 [L178] input_91 = __VERIFIER_nondet_uchar() [L179] EXPR input_91 & mask_SORT_1 VAL [input_67=0, input_69=0, input_71=0, input_73=0, input_79=0, input_82=0, input_83=0, input_84=0, input_85=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_6=0, state_8=0, var_108=6, var_109=255, var_118=24, var_127=14, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_68=2, var_70=1, var_72=0] [L179] input_91 = input_91 & mask_SORT_1 [L180] input_94 = __VERIFIER_nondet_uchar() [L181] EXPR input_94 & mask_SORT_1 VAL [input_67=0, input_69=0, input_71=0, input_73=0, input_79=0, input_82=0, input_83=0, input_84=0, input_85=0, input_91=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_6=0, state_8=0, var_108=6, var_109=255, var_118=24, var_127=14, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_68=2, var_70=1, var_72=0] [L181] input_94 = input_94 & mask_SORT_1 [L182] input_95 = __VERIFIER_nondet_uchar() [L183] EXPR input_95 & mask_SORT_1 VAL [input_67=0, input_69=0, input_71=0, input_73=0, input_79=0, input_82=0, input_83=0, input_84=0, input_85=0, input_91=0, input_94=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_6=0, state_8=0, var_108=6, var_109=255, var_118=24, var_127=14, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_68=2, var_70=1, var_72=0] [L183] input_95 = input_95 & mask_SORT_1 [L184] input_96 = __VERIFIER_nondet_uchar() [L185] EXPR input_96 & mask_SORT_1 VAL [input_67=0, input_69=0, input_71=0, input_73=0, input_79=0, input_82=0, input_83=0, input_84=0, input_85=0, input_91=0, input_94=0, input_95=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_6=0, state_8=0, var_108=6, var_109=255, var_118=24, var_127=14, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_68=2, var_70=1, var_72=0] [L185] input_96 = input_96 & mask_SORT_1 [L186] input_97 = __VERIFIER_nondet_uchar() [L187] EXPR input_97 & mask_SORT_1 VAL [input_67=0, input_69=0, input_71=0, input_73=0, input_79=0, input_82=0, input_83=0, input_84=0, input_85=0, input_91=0, input_94=0, input_95=0, input_96=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_6=0, state_8=0, var_108=6, var_109=255, var_118=24, var_127=14, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_68=2, var_70=1, var_72=0] [L187] input_97 = input_97 & mask_SORT_1 [L188] input_103 = __VERIFIER_nondet_uchar() [L189] EXPR input_103 & mask_SORT_1 VAL [input_67=0, input_69=0, input_71=0, input_73=0, input_79=0, input_82=0, input_83=0, input_84=0, input_85=0, input_91=0, input_94=0, input_95=0, input_96=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_6=0, state_8=0, var_108=6, var_109=255, var_118=24, var_127=14, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_68=2, var_70=1, var_72=0] [L189] input_103 = input_103 & mask_SORT_1 [L190] input_106 = __VERIFIER_nondet_uchar() [L191] EXPR input_106 & mask_SORT_1 VAL [input_103=0, input_67=0, input_69=0, input_71=0, input_73=0, input_79=0, input_82=0, input_83=0, input_84=0, input_85=0, input_91=0, input_94=0, input_95=0, input_96=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_6=0, state_8=0, var_108=6, var_109=255, var_118=24, var_127=14, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_68=2, var_70=1, var_72=0] [L191] input_106 = input_106 & mask_SORT_1 [L192] input_107 = __VERIFIER_nondet_uchar() [L193] EXPR input_107 & mask_SORT_1 VAL [input_103=0, input_106=0, input_67=0, input_69=0, input_71=0, input_73=0, input_79=0, input_82=0, input_83=0, input_84=0, input_85=0, input_91=0, input_94=0, input_95=0, input_96=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_6=0, state_8=0, var_108=6, var_109=255, var_118=24, var_127=14, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_68=2, var_70=1, var_72=0] [L193] input_107 = input_107 & mask_SORT_1 [L194] input_116 = __VERIFIER_nondet_uchar() [L195] EXPR input_116 & mask_SORT_1 VAL [input_103=0, input_106=0, input_107=0, input_67=0, input_69=0, input_71=0, input_73=0, input_79=0, input_82=0, input_83=0, input_84=0, input_85=0, input_91=0, input_94=0, input_95=0, input_96=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_6=0, state_8=0, var_108=6, var_109=255, var_118=24, var_127=14, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_68=2, var_70=1, var_72=0] [L195] input_116 = input_116 & mask_SORT_1 [L196] input_117 = __VERIFIER_nondet_uchar() [L197] EXPR input_117 & mask_SORT_1 VAL [input_103=0, input_106=0, input_107=0, input_116=0, input_67=0, input_69=0, input_71=0, input_73=0, input_79=0, input_82=0, input_83=0, input_84=0, input_85=0, input_91=0, input_94=0, input_95=0, input_96=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_6=0, state_8=0, var_108=6, var_109=255, var_118=24, var_127=14, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_68=2, var_70=1, var_72=0] [L197] input_117 = input_117 & mask_SORT_1 [L198] input_125 = __VERIFIER_nondet_uchar() [L199] EXPR input_125 & mask_SORT_1 VAL [input_103=0, input_106=0, input_107=0, input_116=0, input_117=0, input_67=0, input_69=0, input_71=0, input_73=0, input_79=0, input_82=0, input_83=0, input_84=0, input_85=0, input_91=0, input_94=0, input_95=0, input_96=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_6=0, state_8=0, var_108=6, var_109=255, var_118=24, var_127=14, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_68=2, var_70=1, var_72=0] [L199] input_125 = input_125 & mask_SORT_1 [L200] input_126 = __VERIFIER_nondet_uchar() [L201] EXPR input_126 & mask_SORT_1 VAL [input_103=0, input_106=0, input_107=0, input_116=0, input_117=0, input_125=0, input_67=0, input_69=0, input_71=0, input_73=0, input_79=0, input_82=0, input_83=0, input_84=0, input_85=0, input_91=0, input_94=0, input_95=0, input_96=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_6=0, state_8=0, var_108=6, var_109=255, var_118=24, var_127=14, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_68=2, var_70=1, var_72=0] [L201] input_126 = input_126 & mask_SORT_1 [L202] input_141 = __VERIFIER_nondet_uchar() [L203] input_143 = __VERIFIER_nondet_uchar() [L204] input_162 = __VERIFIER_nondet_uchar() [L205] input_164 = __VERIFIER_nondet_uchar() [L206] input_183 = __VERIFIER_nondet_uchar() [L207] input_185 = __VERIFIER_nondet_uchar() [L210] SORT_1 var_59_arg_0 = ~state_27; VAL [input_103=0, input_106=0, input_107=0, input_116=0, input_117=0, input_125=0, input_126=0, input_67=0, input_69=0, input_71=0, input_73=0, input_79=0, input_82=0, input_83=0, input_84=0, input_85=0, input_91=0, input_94=0, input_95=0, input_96=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_6=0, state_8=0, var_108=6, var_109=255, var_118=24, var_127=14, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_59_arg_0=-1, var_68=2, var_70=1, var_72=0] [L211] EXPR var_59_arg_0 & mask_SORT_1 VAL [input_103=0, input_106=0, input_107=0, input_116=0, input_117=0, input_125=0, input_126=0, input_67=0, input_69=0, input_71=0, input_73=0, input_79=0, input_82=0, input_83=0, input_84=0, input_85=0, input_91=0, input_94=0, input_95=0, input_96=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_6=0, state_8=0, var_108=6, var_109=255, var_118=24, var_127=14, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_68=2, var_70=1, var_72=0] [L211] var_59_arg_0 = var_59_arg_0 & mask_SORT_1 [L212] SORT_4 var_59_arg_1 = var_57; [L213] SORT_4 var_59_arg_2 = var_58; [L214] SORT_4 var_59 = var_59_arg_0 ? var_59_arg_1 : var_59_arg_2; [L215] SORT_1 var_60_arg_0 = state_33; [L216] SORT_4 var_60_arg_1 = var_57; [L217] SORT_4 var_60_arg_2 = var_58; [L218] SORT_4 var_60 = var_60_arg_0 ? var_60_arg_1 : var_60_arg_2; [L219] SORT_4 var_61_arg_0 = var_59; [L220] SORT_4 var_61_arg_1 = var_60; [L221] SORT_4 var_61 = var_61_arg_0 + var_61_arg_1; [L222] SORT_1 var_62_arg_0 = state_39; [L223] SORT_4 var_62_arg_1 = var_57; [L224] SORT_4 var_62_arg_2 = var_58; [L225] SORT_4 var_62 = var_62_arg_0 ? var_62_arg_1 : var_62_arg_2; [L226] SORT_4 var_63_arg_0 = var_61; [L227] SORT_4 var_63_arg_1 = var_62; [L228] SORT_4 var_63 = var_63_arg_0 + var_63_arg_1; VAL [input_103=0, input_106=0, input_107=0, input_116=0, input_117=0, input_125=0, input_126=0, input_67=0, input_69=0, input_71=0, input_73=0, input_79=0, input_82=0, input_83=0, input_84=0, input_85=0, input_91=0, input_94=0, input_95=0, input_96=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_6=0, state_8=0, var_108=6, var_109=255, var_118=24, var_127=14, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_63=0, var_68=2, var_70=1, var_72=0] [L229] EXPR var_63 & mask_SORT_4 VAL [input_103=0, input_106=0, input_107=0, input_116=0, input_117=0, input_125=0, input_126=0, input_67=0, input_69=0, input_71=0, input_73=0, input_79=0, input_82=0, input_83=0, input_84=0, input_85=0, input_91=0, input_94=0, input_95=0, input_96=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_6=0, state_8=0, var_108=6, var_109=255, var_118=24, var_127=14, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_68=2, var_70=1, var_72=0] [L229] var_63 = var_63 & mask_SORT_4 [L230] SORT_4 var_64_arg_0 = var_63; [L231] SORT_4 var_64_arg_1 = var_57; [L232] SORT_1 var_64 = var_64_arg_0 <= var_64_arg_1; [L233] SORT_1 var_65_arg_0 = ~state_55; VAL [input_103=0, input_106=0, input_107=0, input_116=0, input_117=0, input_125=0, input_126=0, input_67=0, input_69=0, input_71=0, input_73=0, input_79=0, input_82=0, input_83=0, input_84=0, input_85=0, input_91=0, input_94=0, input_95=0, input_96=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_6=0, state_8=0, var_108=6, var_109=255, var_118=24, var_127=14, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_64=1, var_65_arg_0=-1, var_68=2, var_70=1, var_72=0] [L234] EXPR var_65_arg_0 & mask_SORT_1 VAL [input_103=0, input_106=0, input_107=0, input_116=0, input_117=0, input_125=0, input_126=0, input_67=0, input_69=0, input_71=0, input_73=0, input_79=0, input_82=0, input_83=0, input_84=0, input_85=0, input_91=0, input_94=0, input_95=0, input_96=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_6=0, state_8=0, var_108=6, var_109=255, var_118=24, var_127=14, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_64=1, var_68=2, var_70=1, var_72=0] [L234] var_65_arg_0 = var_65_arg_0 & mask_SORT_1 [L235] SORT_1 var_65_arg_1 = ~var_64; VAL [input_103=0, input_106=0, input_107=0, input_116=0, input_117=0, input_125=0, input_126=0, input_67=0, input_69=0, input_71=0, input_73=0, input_79=0, input_82=0, input_83=0, input_84=0, input_85=0, input_91=0, input_94=0, input_95=0, input_96=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_6=0, state_8=0, var_108=6, var_109=255, var_118=24, var_127=14, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_65_arg_0=1, var_65_arg_1=-2, var_68=2, var_70=1, var_72=0] [L236] EXPR var_65_arg_1 & mask_SORT_1 VAL [input_103=0, input_106=0, input_107=0, input_116=0, input_117=0, input_125=0, input_126=0, input_67=0, input_69=0, input_71=0, input_73=0, input_79=0, input_82=0, input_83=0, input_84=0, input_85=0, input_91=0, input_94=0, input_95=0, input_96=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_6=0, state_8=0, var_108=6, var_109=255, var_118=24, var_127=14, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_65_arg_0=1, var_68=2, var_70=1, var_72=0] [L236] var_65_arg_1 = var_65_arg_1 & mask_SORT_1 [L237] EXPR var_65_arg_0 & var_65_arg_1 VAL [input_103=0, input_106=0, input_107=0, input_116=0, input_117=0, input_125=0, input_126=0, input_67=0, input_69=0, input_71=0, input_73=0, input_79=0, input_82=0, input_83=0, input_84=0, input_85=0, input_91=0, input_94=0, input_95=0, input_96=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_6=0, state_8=0, var_108=6, var_109=255, var_118=24, var_127=14, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_68=2, var_70=1, var_72=0] [L237] SORT_1 var_65 = var_65_arg_0 & var_65_arg_1; [L238] EXPR var_65 & mask_SORT_1 VAL [input_103=0, input_106=0, input_107=0, input_116=0, input_117=0, input_125=0, input_126=0, input_67=0, input_69=0, input_71=0, input_73=0, input_79=0, input_82=0, input_83=0, input_84=0, input_85=0, input_91=0, input_94=0, input_95=0, input_96=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_6=0, state_8=0, var_108=6, var_109=255, var_118=24, var_127=14, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_68=2, var_70=1, var_72=0] [L238] var_65 = var_65 & mask_SORT_1 [L239] SORT_1 bad_66_arg_0 = var_65; [L240] CALL __VERIFIER_assert(!(bad_66_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 2267 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 13.7s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 9.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 18671 SdHoareTripleChecker+Valid, 8.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 18671 mSDsluCounter, 84799 SdHoareTripleChecker+Invalid, 6.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 60605 mSDsCounter, 311 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13358 IncrementalHoareTripleChecker+Invalid, 13669 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 311 mSolverCounterUnsat, 24194 mSDtfsCounter, 13358 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 46 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2384occurred in iteration=8, InterpolantAutomatonStates: 39, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 8 MinimizatonAttempts, 5519 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 1008 NumberOfCodeBlocks, 1008 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 884 ConstructedInterpolants, 0 QuantifiedInterpolants, 2934 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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 22:59:23,627 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.lann.1.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 cd6ac0f1fc1701a755f398ed8f8c999e6c7d4b309c48c83fd17b2861bc532c01 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-12 22:59:25,953 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-12 22:59:26,029 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-10-12 22:59:26,044 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-12 22:59:26,045 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-12 22:59:26,077 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-12 22:59:26,077 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-12 22:59:26,078 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-12 22:59:26,078 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-12 22:59:26,079 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-12 22:59:26,079 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-12 22:59:26,079 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-12 22:59:26,082 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-12 22:59:26,083 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-12 22:59:26,083 INFO L153 SettingsManager]: * Use SBE=true [2024-10-12 22:59:26,084 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-12 22:59:26,084 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-12 22:59:26,084 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-12 22:59:26,085 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-12 22:59:26,085 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-12 22:59:26,085 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-12 22:59:26,089 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-12 22:59:26,089 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-12 22:59:26,089 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-12 22:59:26,090 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-12 22:59:26,090 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-12 22:59:26,090 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-12 22:59:26,090 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-12 22:59:26,090 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-12 22:59:26,091 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-12 22:59:26,091 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-12 22:59:26,091 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-12 22:59:26,091 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-12 22:59:26,092 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-12 22:59:26,092 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-12 22:59:26,092 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-12 22:59:26,093 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-12 22:59:26,093 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-12 22:59:26,093 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-12 22:59:26,094 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-12 22:59:26,094 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-12 22:59:26,095 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-12 22:59:26,095 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd6ac0f1fc1701a755f398ed8f8c999e6c7d4b309c48c83fd17b2861bc532c01 [2024-10-12 22:59:26,425 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-12 22:59:26,449 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-12 22:59:26,452 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-12 22:59:26,453 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-12 22:59:26,454 INFO L274 PluginConnector]: CDTParser initialized [2024-10-12 22:59:26,455 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.1.prop1-func-interl.c [2024-10-12 22:59:27,892 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-12 22:59:28,236 INFO L384 CDTParser]: Found 1 translation units. [2024-10-12 22:59:28,237 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.1.prop1-func-interl.c [2024-10-12 22:59:28,260 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19c76149a/494fac2978184df980a4b6a32de389f0/FLAG095e484e2 [2024-10-12 22:59:28,274 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19c76149a/494fac2978184df980a4b6a32de389f0 [2024-10-12 22:59:28,277 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-12 22:59:28,279 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-12 22:59:28,282 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-12 22:59:28,282 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-12 22:59:28,287 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-12 22:59:28,287 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 10:59:28" (1/1) ... [2024-10-12 22:59:28,290 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2529bbc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:59:28, skipping insertion in model container [2024-10-12 22:59:28,290 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 10:59:28" (1/1) ... [2024-10-12 22:59:28,356 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-12 22:59:28,564 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.lann.1.prop1-func-interl.c[1171,1184] [2024-10-12 22:59:28,942 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 22:59:28,953 INFO L200 MainTranslator]: Completed pre-run [2024-10-12 22:59:28,965 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.lann.1.prop1-func-interl.c[1171,1184] [2024-10-12 22:59:29,064 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 22:59:29,080 INFO L204 MainTranslator]: Completed translation [2024-10-12 22:59:29,084 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:59:29 WrapperNode [2024-10-12 22:59:29,084 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-12 22:59:29,085 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-12 22:59:29,085 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-12 22:59:29,085 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-12 22:59:29,092 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:59:29" (1/1) ... [2024-10-12 22:59:29,129 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:59:29" (1/1) ... [2024-10-12 22:59:29,241 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1762 [2024-10-12 22:59:29,242 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-12 22:59:29,243 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-12 22:59:29,243 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-12 22:59:29,243 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-12 22:59:29,254 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:59:29" (1/1) ... [2024-10-12 22:59:29,254 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:59:29" (1/1) ... [2024-10-12 22:59:29,271 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:59:29" (1/1) ... [2024-10-12 22:59:29,311 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 22:59:29,312 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:59:29" (1/1) ... [2024-10-12 22:59:29,312 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:59:29" (1/1) ... [2024-10-12 22:59:29,363 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:59:29" (1/1) ... [2024-10-12 22:59:29,368 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:59:29" (1/1) ... [2024-10-12 22:59:29,382 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:59:29" (1/1) ... [2024-10-12 22:59:29,393 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:59:29" (1/1) ... [2024-10-12 22:59:29,420 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-12 22:59:29,421 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-12 22:59:29,421 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-12 22:59:29,421 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-12 22:59:29,421 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:59:29" (1/1) ... [2024-10-12 22:59:29,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-12 22:59:29,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 22:59:29,457 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 22:59:29,496 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 22:59:29,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-12 22:59:29,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-12 22:59:29,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-12 22:59:29,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-12 22:59:29,836 INFO L238 CfgBuilder]: Building ICFG [2024-10-12 22:59:29,838 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-12 22:59:31,695 INFO L? ?]: Removed 89 outVars from TransFormulas that were not future-live. [2024-10-12 22:59:31,695 INFO L287 CfgBuilder]: Performing block encoding [2024-10-12 22:59:31,762 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-12 22:59:31,762 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-12 22:59:31,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 10:59:31 BoogieIcfgContainer [2024-10-12 22:59:31,763 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-12 22:59:31,764 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-12 22:59:31,764 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-12 22:59:31,767 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-12 22:59:31,767 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 10:59:28" (1/3) ... [2024-10-12 22:59:31,768 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a0b24e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 10:59:31, skipping insertion in model container [2024-10-12 22:59:31,768 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:59:29" (2/3) ... [2024-10-12 22:59:31,768 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a0b24e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 10:59:31, skipping insertion in model container [2024-10-12 22:59:31,768 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 10:59:31" (3/3) ... [2024-10-12 22:59:31,770 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.lann.1.prop1-func-interl.c [2024-10-12 22:59:31,786 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-12 22:59:31,786 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-12 22:59:31,833 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-12 22:59:31,840 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;@524fdeee, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-12 22:59:31,840 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-12 22:59:31,844 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 22:59:31,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-10-12 22:59:31,850 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 22:59:31,851 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-10-12 22:59:31,851 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 22:59:31,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 22:59:31,856 INFO L85 PathProgramCache]: Analyzing trace with hash 1614770, now seen corresponding path program 1 times [2024-10-12 22:59:31,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-12 22:59:31,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [524762590] [2024-10-12 22:59:31,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 22:59:31,873 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 22:59:31,874 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-12 22:59:31,876 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 22:59:31,879 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 22:59:32,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 22:59:32,291 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-10-12 22:59:32,301 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 22:59:32,625 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 22:59:32,625 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-12 22:59:32,626 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-12 22:59:32,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [524762590] [2024-10-12 22:59:32,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [524762590] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 22:59:32,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 22:59:32,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-12 22:59:32,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570830725] [2024-10-12 22:59:32,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 22:59:32,634 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-12 22:59:32,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-12 22:59:32,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-12 22:59:32,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-12 22:59:32,660 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 22:59:32,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 22:59:32,818 INFO L93 Difference]: Finished difference Result 15 states and 20 transitions. [2024-10-12 22:59:32,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-12 22:59:32,820 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 22:59:32,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 22:59:32,827 INFO L225 Difference]: With dead ends: 15 [2024-10-12 22:59:32,827 INFO L226 Difference]: Without dead ends: 9 [2024-10-12 22:59:32,829 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-12 22:59:32,832 INFO L432 NwaCegarLoop]: 2 mSDtfsCounter, 2 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-12 22:59:32,833 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 6 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-12 22:59:32,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2024-10-12 22:59:32,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2024-10-12 22:59:32,856 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 22:59:32,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2024-10-12 22:59:32,858 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 4 [2024-10-12 22:59:32,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 22:59:32,858 INFO L471 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2024-10-12 22:59:32,859 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 22:59:32,859 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2024-10-12 22:59:32,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-12 22:59:32,859 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 22:59:32,859 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2024-10-12 22:59:32,866 INFO L540 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)] Forceful destruction successful, exit code 0 [2024-10-12 22:59:33,060 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 22:59:33,061 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 22:59:33,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 22:59:33,061 INFO L85 PathProgramCache]: Analyzing trace with hash 865745430, now seen corresponding path program 1 times [2024-10-12 22:59:33,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-12 22:59:33,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1544886021] [2024-10-12 22:59:33,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 22:59:33,065 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 22:59:33,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-12 22:59:33,068 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 22:59:33,069 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 22:59:33,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 22:59:33,633 INFO L255 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-10-12 22:59:33,652 INFO L278 TraceCheckSpWp]: Computing forward predicates...