./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-31.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-31.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8f77797d2552fe3475312723420efd01b161fc47e64b81a5b4169e51f838e014 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 14:32:25,789 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 14:32:25,896 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 14:32:25,903 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 14:32:25,903 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 14:32:25,935 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 14:32:25,936 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 14:32:25,936 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 14:32:25,937 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 14:32:25,937 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 14:32:25,937 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 14:32:25,938 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 14:32:25,940 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 14:32:25,942 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 14:32:25,943 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 14:32:25,943 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 14:32:25,944 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 14:32:25,944 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 14:32:25,944 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 14:32:25,944 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 14:32:25,945 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 14:32:25,948 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 14:32:25,948 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 14:32:25,948 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 14:32:25,949 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 14:32:25,949 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 14:32:25,949 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 14:32:25,950 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 14:32:25,950 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 14:32:25,950 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 14:32:25,950 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 14:32:25,951 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 14:32:25,951 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 14:32:25,951 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 14:32:25,951 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 14:32:25,952 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 14:32:25,952 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 14:32:25,952 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 14:32:25,952 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 14:32:25,952 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 14:32:25,953 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 14:32:25,953 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 14:32:25,954 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8f77797d2552fe3475312723420efd01b161fc47e64b81a5b4169e51f838e014 [2024-11-16 14:32:26,232 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 14:32:26,259 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 14:32:26,263 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 14:32:26,265 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 14:32:26,265 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 14:32:26,267 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-31.i [2024-11-16 14:32:27,721 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 14:32:28,013 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 14:32:28,013 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-31.i [2024-11-16 14:32:28,030 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c97274f25/d2b92b4fcbb244b58693d7176e36839a/FLAG1aa6a7bf5 [2024-11-16 14:32:28,302 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c97274f25/d2b92b4fcbb244b58693d7176e36839a [2024-11-16 14:32:28,305 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 14:32:28,306 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 14:32:28,309 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 14:32:28,310 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 14:32:28,316 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 14:32:28,317 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 02:32:28" (1/1) ... [2024-11-16 14:32:28,318 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@210a3fad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:32:28, skipping insertion in model container [2024-11-16 14:32:28,318 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 02:32:28" (1/1) ... [2024-11-16 14:32:28,356 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 14:32:28,569 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-31.i[919,932] [2024-11-16 14:32:28,656 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 14:32:28,670 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 14:32:28,680 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-31.i[919,932] [2024-11-16 14:32:28,738 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 14:32:28,770 INFO L204 MainTranslator]: Completed translation [2024-11-16 14:32:28,771 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:32:28 WrapperNode [2024-11-16 14:32:28,771 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 14:32:28,772 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 14:32:28,773 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 14:32:28,773 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 14:32:28,781 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:32:28" (1/1) ... [2024-11-16 14:32:28,805 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:32:28" (1/1) ... [2024-11-16 14:32:28,855 INFO L138 Inliner]: procedures = 26, calls = 67, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 286 [2024-11-16 14:32:28,856 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 14:32:28,857 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 14:32:28,857 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 14:32:28,857 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 14:32:28,869 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:32:28" (1/1) ... [2024-11-16 14:32:28,870 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:32:28" (1/1) ... [2024-11-16 14:32:28,875 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:32:28" (1/1) ... [2024-11-16 14:32:28,898 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-16 14:32:28,899 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:32:28" (1/1) ... [2024-11-16 14:32:28,899 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:32:28" (1/1) ... [2024-11-16 14:32:28,921 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:32:28" (1/1) ... [2024-11-16 14:32:28,927 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:32:28" (1/1) ... [2024-11-16 14:32:28,934 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:32:28" (1/1) ... [2024-11-16 14:32:28,941 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:32:28" (1/1) ... [2024-11-16 14:32:28,953 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 14:32:28,955 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 14:32:28,956 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 14:32:28,956 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 14:32:28,957 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:32:28" (1/1) ... [2024-11-16 14:32:28,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 14:32:28,975 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 14:32:28,993 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-16 14:32:29,001 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-16 14:32:29,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 14:32:29,055 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 14:32:29,055 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 14:32:29,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 14:32:29,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 14:32:29,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 14:32:29,180 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 14:32:29,182 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 14:32:29,750 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-16 14:32:29,752 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 14:32:29,786 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 14:32:29,787 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 14:32:29,787 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 02:32:29 BoogieIcfgContainer [2024-11-16 14:32:29,787 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 14:32:29,791 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 14:32:29,791 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 14:32:29,795 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 14:32:29,796 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 02:32:28" (1/3) ... [2024-11-16 14:32:29,798 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b3932b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 02:32:29, skipping insertion in model container [2024-11-16 14:32:29,798 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:32:28" (2/3) ... [2024-11-16 14:32:29,800 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b3932b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 02:32:29, skipping insertion in model container [2024-11-16 14:32:29,800 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 02:32:29" (3/3) ... [2024-11-16 14:32:29,801 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-cn_file-31.i [2024-11-16 14:32:29,821 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 14:32:29,822 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 14:32:29,899 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 14:32:29,905 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;@72c512ac, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 14:32:29,906 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 14:32:29,911 INFO L276 IsEmpty]: Start isEmpty. Operand has 132 states, 75 states have (on average 1.36) internal successors, (102), 76 states have internal predecessors, (102), 54 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-16 14:32:29,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2024-11-16 14:32:29,929 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 14:32:29,931 INFO L215 NwaCegarLoop]: trace histogram [54, 54, 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 14:32:29,931 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 14:32:29,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 14:32:29,938 INFO L85 PathProgramCache]: Analyzing trace with hash 1450437645, now seen corresponding path program 1 times [2024-11-16 14:32:29,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 14:32:29,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335957615] [2024-11-16 14:32:29,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:32:29,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 14:32:30,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:30,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 14:32:30,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:30,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 14:32:30,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:30,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 14:32:30,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:30,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 14:32:30,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:30,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 14:32:30,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:30,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 14:32:30,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:30,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 14:32:30,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:30,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 14:32:30,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:30,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 14:32:30,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:30,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 14:32:30,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:30,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 14:32:30,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:30,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 14:32:30,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:30,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 14:32:30,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:30,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 14:32:30,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:30,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 14:32:30,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:30,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 14:32:30,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:30,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 14:32:30,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:30,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 14:32:30,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:30,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 14:32:30,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:30,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 14:32:30,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:30,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 14:32:30,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:30,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 14:32:30,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:30,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 14:32:30,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:30,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 14:32:30,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:30,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 14:32:30,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:30,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 14:32:30,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:30,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-16 14:32:30,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:30,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-16 14:32:30,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:30,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 14:32:30,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:30,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-16 14:32:30,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:30,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 14:32:30,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:30,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-16 14:32:30,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:30,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-16 14:32:30,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:30,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-16 14:32:30,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:30,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-16 14:32:30,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:30,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-16 14:32:30,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:30,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-16 14:32:30,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:30,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-16 14:32:30,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:30,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-16 14:32:30,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:30,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-16 14:32:30,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:30,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-16 14:32:30,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:30,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-16 14:32:30,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:30,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-16 14:32:30,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:30,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-16 14:32:30,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:30,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-16 14:32:30,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:30,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-16 14:32:30,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:30,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-16 14:32:30,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:30,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-16 14:32:30,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:30,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-16 14:32:30,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:30,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-16 14:32:30,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:30,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-11-16 14:32:30,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:30,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-11-16 14:32:30,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:30,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2024-11-16 14:32:30,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:30,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2024-11-16 14:32:30,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:30,898 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5724 trivial. 0 not checked. [2024-11-16 14:32:30,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 14:32:30,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335957615] [2024-11-16 14:32:30,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335957615] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 14:32:30,902 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 14:32:30,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 14:32:30,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265899569] [2024-11-16 14:32:30,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 14:32:30,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 14:32:30,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 14:32:30,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 14:32:30,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 14:32:30,948 INFO L87 Difference]: Start difference. First operand has 132 states, 75 states have (on average 1.36) internal successors, (102), 76 states have internal predecessors, (102), 54 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) Second operand has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 2 states have call successors, (54) [2024-11-16 14:32:31,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 14:32:31,013 INFO L93 Difference]: Finished difference Result 256 states and 467 transitions. [2024-11-16 14:32:31,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 14:32:31,017 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 2 states have call successors, (54) Word has length 325 [2024-11-16 14:32:31,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 14:32:31,029 INFO L225 Difference]: With dead ends: 256 [2024-11-16 14:32:31,029 INFO L226 Difference]: Without dead ends: 127 [2024-11-16 14:32:31,035 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 14:32:31,041 INFO L432 NwaCegarLoop]: 201 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 14:32:31,046 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 201 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 14:32:31,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2024-11-16 14:32:31,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2024-11-16 14:32:31,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 71 states have (on average 1.323943661971831) internal successors, (94), 71 states have internal predecessors, (94), 54 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-16 14:32:31,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 202 transitions. [2024-11-16 14:32:31,122 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 202 transitions. Word has length 325 [2024-11-16 14:32:31,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 14:32:31,125 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 202 transitions. [2024-11-16 14:32:31,126 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 2 states have call successors, (54) [2024-11-16 14:32:31,126 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 202 transitions. [2024-11-16 14:32:31,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2024-11-16 14:32:31,139 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 14:32:31,140 INFO L215 NwaCegarLoop]: trace histogram [54, 54, 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 14:32:31,140 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 14:32:31,142 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 14:32:31,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 14:32:31,143 INFO L85 PathProgramCache]: Analyzing trace with hash 1744855759, now seen corresponding path program 1 times [2024-11-16 14:32:31,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 14:32:31,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404769459] [2024-11-16 14:32:31,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:32:31,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 14:32:31,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:31,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 14:32:31,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:31,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 14:32:31,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:31,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 14:32:31,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:31,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 14:32:31,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:31,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 14:32:31,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:31,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 14:32:31,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:31,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 14:32:31,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:31,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 14:32:31,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:31,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 14:32:31,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:31,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 14:32:31,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:31,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 14:32:31,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:31,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 14:32:31,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:31,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 14:32:31,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:31,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 14:32:31,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:31,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 14:32:31,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:31,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 14:32:31,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:31,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 14:32:31,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:31,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 14:32:31,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:31,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 14:32:31,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:31,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 14:32:31,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:31,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 14:32:31,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:31,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 14:32:31,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:31,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 14:32:31,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:31,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 14:32:31,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:31,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 14:32:31,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:31,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 14:32:31,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:31,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-16 14:32:31,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:31,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-16 14:32:31,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:31,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 14:32:31,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:31,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-16 14:32:31,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:31,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 14:32:31,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:31,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-16 14:32:31,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:31,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-16 14:32:31,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:31,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-16 14:32:31,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:31,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-16 14:32:31,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:31,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-16 14:32:31,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:31,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-16 14:32:31,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:31,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-16 14:32:31,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:31,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-16 14:32:31,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:31,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-16 14:32:31,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:31,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-16 14:32:31,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:31,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-16 14:32:31,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:31,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-16 14:32:31,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:31,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-16 14:32:31,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:31,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-16 14:32:31,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:31,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-16 14:32:31,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:31,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-16 14:32:31,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:31,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-16 14:32:31,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:31,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-16 14:32:31,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:31,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-16 14:32:31,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:31,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-11-16 14:32:31,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:31,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-11-16 14:32:31,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:31,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2024-11-16 14:32:31,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:31,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2024-11-16 14:32:31,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:31,784 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5724 trivial. 0 not checked. [2024-11-16 14:32:31,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 14:32:31,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404769459] [2024-11-16 14:32:31,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404769459] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 14:32:31,785 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 14:32:31,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 14:32:31,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453178169] [2024-11-16 14:32:31,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 14:32:31,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 14:32:31,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 14:32:31,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 14:32:31,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 14:32:31,789 INFO L87 Difference]: Start difference. First operand 127 states and 202 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) [2024-11-16 14:32:31,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 14:32:31,863 INFO L93 Difference]: Finished difference Result 374 states and 598 transitions. [2024-11-16 14:32:31,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 14:32:31,864 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) Word has length 325 [2024-11-16 14:32:31,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 14:32:31,869 INFO L225 Difference]: With dead ends: 374 [2024-11-16 14:32:31,870 INFO L226 Difference]: Without dead ends: 250 [2024-11-16 14:32:31,871 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 14:32:31,872 INFO L432 NwaCegarLoop]: 368 mSDtfsCounter, 186 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 558 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 14:32:31,873 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 558 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 14:32:31,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2024-11-16 14:32:31,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 140. [2024-11-16 14:32:31,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 84 states have (on average 1.380952380952381) internal successors, (116), 84 states have internal predecessors, (116), 54 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-16 14:32:31,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 224 transitions. [2024-11-16 14:32:31,907 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 224 transitions. Word has length 325 [2024-11-16 14:32:31,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 14:32:31,913 INFO L471 AbstractCegarLoop]: Abstraction has 140 states and 224 transitions. [2024-11-16 14:32:31,913 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) [2024-11-16 14:32:31,913 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 224 transitions. [2024-11-16 14:32:31,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2024-11-16 14:32:31,920 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 14:32:31,921 INFO L215 NwaCegarLoop]: trace histogram [54, 54, 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 14:32:31,921 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 14:32:31,921 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 14:32:31,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 14:32:31,922 INFO L85 PathProgramCache]: Analyzing trace with hash -1042559728, now seen corresponding path program 1 times [2024-11-16 14:32:31,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 14:32:31,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887407711] [2024-11-16 14:32:31,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:32:31,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 14:32:32,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:32,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 14:32:32,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:32,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 14:32:32,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:32,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 14:32:32,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:32,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 14:32:32,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:32,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 14:32:32,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:32,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 14:32:32,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:32,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 14:32:32,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:32,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 14:32:32,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:32,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 14:32:32,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:32,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 14:32:32,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:32,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 14:32:32,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:32,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 14:32:32,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:32,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 14:32:32,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:32,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 14:32:32,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:32,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 14:32:32,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:32,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 14:32:32,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:32,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 14:32:32,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:32,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 14:32:32,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:32,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 14:32:32,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:32,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 14:32:32,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:32,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 14:32:32,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:32,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 14:32:32,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:32,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 14:32:32,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:32,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 14:32:32,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:32,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 14:32:32,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:32,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 14:32:32,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:32,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-16 14:32:32,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:32,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-16 14:32:32,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:32,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 14:32:32,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:32,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-16 14:32:32,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:32,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 14:32:32,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:32,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-16 14:32:32,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:32,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-16 14:32:32,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:32,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-16 14:32:32,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:32,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-16 14:32:32,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:32,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-16 14:32:32,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:32,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-16 14:32:32,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:32,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-16 14:32:32,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:32,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-16 14:32:32,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:32,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-16 14:32:32,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:32,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-16 14:32:32,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:33,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-16 14:32:33,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:33,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-16 14:32:33,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:33,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-16 14:32:33,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:33,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-16 14:32:33,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:33,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-16 14:32:33,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:33,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-16 14:32:33,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:33,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-16 14:32:33,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:33,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-16 14:32:33,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:33,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-16 14:32:33,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:33,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-11-16 14:32:33,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:33,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-11-16 14:32:33,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:33,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2024-11-16 14:32:33,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:33,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2024-11-16 14:32:33,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:32:33,097 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5724 trivial. 0 not checked. [2024-11-16 14:32:33,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 14:32:33,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887407711] [2024-11-16 14:32:33,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887407711] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 14:32:33,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 14:32:33,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 14:32:33,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397007060] [2024-11-16 14:32:33,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 14:32:33,100 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 14:32:33,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 14:32:33,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 14:32:33,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 14:32:33,101 INFO L87 Difference]: Start difference. First operand 140 states and 224 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) [2024-11-16 14:32:33,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 14:32:33,395 INFO L93 Difference]: Finished difference Result 415 states and 668 transitions. [2024-11-16 14:32:33,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 14:32:33,396 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) Word has length 325 [2024-11-16 14:32:33,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 14:32:33,405 INFO L225 Difference]: With dead ends: 415 [2024-11-16 14:32:33,405 INFO L226 Difference]: Without dead ends: 278 [2024-11-16 14:32:33,406 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-16 14:32:33,407 INFO L432 NwaCegarLoop]: 199 mSDtfsCounter, 111 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 477 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 14:32:33,408 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 477 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 14:32:33,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2024-11-16 14:32:33,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 274. [2024-11-16 14:32:33,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 163 states have (on average 1.3865030674846626) internal successors, (226), 163 states have internal predecessors, (226), 108 states have call successors, (108), 2 states have call predecessors, (108), 2 states have return successors, (108), 108 states have call predecessors, (108), 108 states have call successors, (108) [2024-11-16 14:32:33,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 442 transitions. [2024-11-16 14:32:33,453 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 442 transitions. Word has length 325 [2024-11-16 14:32:33,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 14:32:33,456 INFO L471 AbstractCegarLoop]: Abstraction has 274 states and 442 transitions. [2024-11-16 14:32:33,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) [2024-11-16 14:32:33,456 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 442 transitions. [2024-11-16 14:32:33,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2024-11-16 14:32:33,460 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 14:32:33,461 INFO L215 NwaCegarLoop]: trace histogram [54, 54, 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 14:32:33,461 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 14:32:33,461 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 14:32:33,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 14:32:33,462 INFO L85 PathProgramCache]: Analyzing trace with hash -2039632081, now seen corresponding path program 1 times [2024-11-16 14:32:33,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 14:32:33,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537187008] [2024-11-16 14:32:33,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:32:33,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 14:32:33,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat