./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-7.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 61a67961 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/hardness-nfm22/hardness_operatoramount_amount100_file-7.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 99d74cc76e25b38aae472b34b3db02440f1cd9fa09a03e93def8777ec3812a28 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 12:21:45,888 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 12:21:45,966 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-14 12:21:45,973 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 12:21:45,973 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 12:21:46,000 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 12:21:46,003 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 12:21:46,003 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 12:21:46,004 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 12:21:46,005 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 12:21:46,005 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 12:21:46,006 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 12:21:46,006 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 12:21:46,008 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 12:21:46,009 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 12:21:46,009 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 12:21:46,009 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 12:21:46,010 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 12:21:46,010 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 12:21:46,010 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 12:21:46,011 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 12:21:46,015 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 12:21:46,016 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 12:21:46,016 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 12:21:46,016 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 12:21:46,017 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 12:21:46,017 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 12:21:46,017 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 12:21:46,018 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 12:21:46,018 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 12:21:46,018 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 12:21:46,018 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 12:21:46,019 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 12:21:46,019 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 12:21:46,019 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 12:21:46,020 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 12:21:46,020 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 12:21:46,020 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 12:21:46,020 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 12:21:46,020 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 12:21:46,021 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 12:21:46,022 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 12:21:46,023 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 99d74cc76e25b38aae472b34b3db02440f1cd9fa09a03e93def8777ec3812a28 [2024-10-14 12:21:46,346 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 12:21:46,376 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 12:21:46,379 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 12:21:46,380 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 12:21:46,381 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 12:21:46,383 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-7.i [2024-10-14 12:21:47,933 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 12:21:48,162 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 12:21:48,166 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-7.i [2024-10-14 12:21:48,183 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af9a939b7/c3f7ea2ffbf142b28096abfebdbfa8e0/FLAG19e61f1f4 [2024-10-14 12:21:48,196 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af9a939b7/c3f7ea2ffbf142b28096abfebdbfa8e0 [2024-10-14 12:21:48,198 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 12:21:48,199 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 12:21:48,201 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 12:21:48,201 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 12:21:48,207 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 12:21:48,208 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:21:48" (1/1) ... [2024-10-14 12:21:48,209 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3043bf94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:21:48, skipping insertion in model container [2024-10-14 12:21:48,209 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:21:48" (1/1) ... [2024-10-14 12:21:48,256 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 12:21:48,429 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/hardness-nfm22/hardness_operatoramount_amount100_file-7.i[915,928] [2024-10-14 12:21:48,531 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 12:21:48,547 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 12:21:48,559 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/hardness-nfm22/hardness_operatoramount_amount100_file-7.i[915,928] [2024-10-14 12:21:48,616 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 12:21:48,653 INFO L204 MainTranslator]: Completed translation [2024-10-14 12:21:48,654 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:21:48 WrapperNode [2024-10-14 12:21:48,654 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 12:21:48,656 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 12:21:48,656 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 12:21:48,656 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 12:21:48,665 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:21:48" (1/1) ... [2024-10-14 12:21:48,686 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:21:48" (1/1) ... [2024-10-14 12:21:48,760 INFO L138 Inliner]: procedures = 26, calls = 48, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 252 [2024-10-14 12:21:48,761 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 12:21:48,762 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 12:21:48,762 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 12:21:48,763 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 12:21:48,774 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:21:48" (1/1) ... [2024-10-14 12:21:48,775 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:21:48" (1/1) ... [2024-10-14 12:21:48,786 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:21:48" (1/1) ... [2024-10-14 12:21:48,831 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]. [2024-10-14 12:21:48,832 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:21:48" (1/1) ... [2024-10-14 12:21:48,832 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:21:48" (1/1) ... [2024-10-14 12:21:48,849 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:21:48" (1/1) ... [2024-10-14 12:21:48,857 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:21:48" (1/1) ... [2024-10-14 12:21:48,865 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:21:48" (1/1) ... [2024-10-14 12:21:48,872 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:21:48" (1/1) ... [2024-10-14 12:21:48,879 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 12:21:48,881 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 12:21:48,882 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 12:21:48,882 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 12:21:48,883 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:21:48" (1/1) ... [2024-10-14 12:21:48,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 12:21:48,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 12:21:48,922 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) [2024-10-14 12:21:48,925 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 [2024-10-14 12:21:49,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 12:21:49,000 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-14 12:21:49,000 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-14 12:21:49,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 12:21:49,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 12:21:49,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 12:21:49,144 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 12:21:49,147 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 12:21:49,687 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-10-14 12:21:49,688 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 12:21:49,732 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 12:21:49,734 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 12:21:49,734 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:21:49 BoogieIcfgContainer [2024-10-14 12:21:49,735 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 12:21:49,737 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 12:21:49,738 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 12:21:49,742 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 12:21:49,743 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 12:21:48" (1/3) ... [2024-10-14 12:21:49,744 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f0d259a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:21:49, skipping insertion in model container [2024-10-14 12:21:49,744 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:21:48" (2/3) ... [2024-10-14 12:21:49,744 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f0d259a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:21:49, skipping insertion in model container [2024-10-14 12:21:49,745 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:21:49" (3/3) ... [2024-10-14 12:21:49,746 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-7.i [2024-10-14 12:21:49,771 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 12:21:49,771 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 12:21:49,847 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 12:21:49,853 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;@3320d830, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 12:21:49,854 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 12:21:49,858 INFO L276 IsEmpty]: Start isEmpty. Operand has 103 states, 65 states have (on average 1.4923076923076923) internal successors, (97), 66 states have internal predecessors, (97), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-10-14 12:21:49,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2024-10-14 12:21:49,873 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 12:21:49,874 INFO L215 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 12:21:49,874 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 12:21:49,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 12:21:49,879 INFO L85 PathProgramCache]: Analyzing trace with hash -2069634832, now seen corresponding path program 1 times [2024-10-14 12:21:49,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 12:21:49,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867742161] [2024-10-14 12:21:49,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 12:21:49,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 12:21:50,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:50,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 12:21:50,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:50,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 12:21:50,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:50,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 12:21:50,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:50,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 12:21:50,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:50,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 12:21:50,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:50,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 12:21:50,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:50,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 12:21:50,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:50,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 12:21:50,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:50,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 12:21:50,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:50,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-14 12:21:50,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:50,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-14 12:21:50,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:50,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-14 12:21:50,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:50,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-14 12:21:50,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:50,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 12:21:50,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:50,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-14 12:21:50,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:50,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-14 12:21:50,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:50,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-14 12:21:50,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:50,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-14 12:21:50,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:50,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-14 12:21:50,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:50,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-14 12:21:50,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:50,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-14 12:21:50,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:50,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-14 12:21:50,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:50,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-14 12:21:50,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:50,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-14 12:21:50,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:50,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-14 12:21:50,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:50,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-14 12:21:50,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:50,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-14 12:21:50,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:50,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-14 12:21:50,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:50,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-14 12:21:50,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:50,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-14 12:21:50,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:50,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-14 12:21:50,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:50,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-14 12:21:50,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:50,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-14 12:21:50,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:50,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-14 12:21:50,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:50,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-14 12:21:50,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:50,695 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2024-10-14 12:21:50,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 12:21:50,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867742161] [2024-10-14 12:21:50,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [867742161] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 12:21:50,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 12:21:50,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 12:21:50,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292353312] [2024-10-14 12:21:50,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 12:21:50,708 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 12:21:50,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 12:21:50,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 12:21:50,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 12:21:50,743 INFO L87 Difference]: Start difference. First operand has 103 states, 65 states have (on average 1.4923076923076923) internal successors, (97), 66 states have internal predecessors, (97), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) Second operand has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 2 states have call successors, (35) [2024-10-14 12:21:50,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 12:21:50,805 INFO L93 Difference]: Finished difference Result 203 states and 367 transitions. [2024-10-14 12:21:50,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 12:21:50,809 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 2 states have call successors, (35) Word has length 219 [2024-10-14 12:21:50,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 12:21:50,821 INFO L225 Difference]: With dead ends: 203 [2024-10-14 12:21:50,822 INFO L226 Difference]: Without dead ends: 101 [2024-10-14 12:21:50,828 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 12:21:50,835 INFO L432 NwaCegarLoop]: 158 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 12:21:50,836 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 158 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 12:21:50,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2024-10-14 12:21:50,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2024-10-14 12:21:50,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 64 states have (on average 1.421875) internal successors, (91), 64 states have internal predecessors, (91), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-10-14 12:21:50,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 161 transitions. [2024-10-14 12:21:50,904 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 161 transitions. Word has length 219 [2024-10-14 12:21:50,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 12:21:50,905 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 161 transitions. [2024-10-14 12:21:50,905 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 2 states have call successors, (35) [2024-10-14 12:21:50,906 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 161 transitions. [2024-10-14 12:21:50,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2024-10-14 12:21:50,911 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 12:21:50,911 INFO L215 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 12:21:50,911 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 12:21:50,912 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 12:21:50,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 12:21:50,912 INFO L85 PathProgramCache]: Analyzing trace with hash -102012418, now seen corresponding path program 1 times [2024-10-14 12:21:50,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 12:21:50,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022592269] [2024-10-14 12:21:50,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 12:21:50,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 12:21:51,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:51,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 12:21:51,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:51,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 12:21:51,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:51,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 12:21:51,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:51,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 12:21:51,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:51,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 12:21:51,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:51,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 12:21:51,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:51,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 12:21:51,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:51,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 12:21:51,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:51,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 12:21:51,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:51,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-14 12:21:51,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:51,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-14 12:21:51,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:51,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-14 12:21:51,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:51,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-14 12:21:51,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:51,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 12:21:51,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:51,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-14 12:21:51,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:51,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-14 12:21:51,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:51,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-14 12:21:51,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:51,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-14 12:21:51,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:51,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-14 12:21:51,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:51,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-14 12:21:51,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:51,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-14 12:21:51,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:51,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-14 12:21:51,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:51,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-14 12:21:51,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:51,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-14 12:21:51,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:51,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-14 12:21:51,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:51,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-14 12:21:51,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:51,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-14 12:21:51,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:51,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-14 12:21:51,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:51,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-14 12:21:51,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:51,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-14 12:21:51,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:51,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-14 12:21:51,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:51,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-14 12:21:51,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:51,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-14 12:21:51,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:51,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-14 12:21:51,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:51,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-14 12:21:51,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:51,595 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2024-10-14 12:21:51,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 12:21:51,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022592269] [2024-10-14 12:21:51,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022592269] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 12:21:51,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 12:21:51,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 12:21:51,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215589] [2024-10-14 12:21:51,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 12:21:51,598 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 12:21:51,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 12:21:51,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 12:21:51,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 12:21:51,605 INFO L87 Difference]: Start difference. First operand 101 states and 161 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2024-10-14 12:21:51,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 12:21:51,868 INFO L93 Difference]: Finished difference Result 302 states and 482 transitions. [2024-10-14 12:21:51,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 12:21:51,868 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) Word has length 219 [2024-10-14 12:21:51,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 12:21:51,877 INFO L225 Difference]: With dead ends: 302 [2024-10-14 12:21:51,878 INFO L226 Difference]: Without dead ends: 202 [2024-10-14 12:21:51,880 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 12:21:51,884 INFO L432 NwaCegarLoop]: 156 mSDtfsCounter, 105 mSDsluCounter, 308 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 12:21:51,884 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 464 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 12:21:51,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2024-10-14 12:21:51,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 162. [2024-10-14 12:21:51,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 89 states have (on average 1.303370786516854) internal successors, (116), 89 states have internal predecessors, (116), 70 states have call successors, (70), 2 states have call predecessors, (70), 2 states have return successors, (70), 70 states have call predecessors, (70), 70 states have call successors, (70) [2024-10-14 12:21:51,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 256 transitions. [2024-10-14 12:21:51,927 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 256 transitions. Word has length 219 [2024-10-14 12:21:51,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 12:21:51,928 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 256 transitions. [2024-10-14 12:21:51,929 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2024-10-14 12:21:51,929 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 256 transitions. [2024-10-14 12:21:51,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-10-14 12:21:51,939 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 12:21:51,939 INFO L215 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 12:21:51,939 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 12:21:51,939 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 12:21:51,940 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 12:21:51,940 INFO L85 PathProgramCache]: Analyzing trace with hash -244165495, now seen corresponding path program 1 times [2024-10-14 12:21:51,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 12:21:51,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910232437] [2024-10-14 12:21:51,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 12:21:51,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 12:21:52,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:52,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 12:21:52,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:52,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 12:21:52,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:52,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 12:21:52,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:52,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 12:21:52,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:52,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 12:21:52,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:52,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 12:21:52,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:52,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 12:21:52,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:52,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 12:21:52,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:52,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 12:21:52,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:52,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-14 12:21:52,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:52,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-14 12:21:52,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:52,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-14 12:21:52,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:52,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-14 12:21:52,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:52,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 12:21:52,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:52,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-14 12:21:52,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:52,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-14 12:21:52,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:52,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-14 12:21:52,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:52,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-14 12:21:52,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:52,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-14 12:21:52,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:52,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-14 12:21:52,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:52,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-14 12:21:52,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:52,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-14 12:21:52,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:52,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-14 12:21:52,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:52,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-14 12:21:52,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:52,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-14 12:21:52,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:52,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-14 12:21:52,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:52,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-14 12:21:52,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:52,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-14 12:21:52,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:52,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-14 12:21:52,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:52,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-14 12:21:52,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:52,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-14 12:21:52,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:52,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-14 12:21:52,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:52,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-14 12:21:52,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:52,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-14 12:21:52,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:52,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-14 12:21:52,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:52,277 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2024-10-14 12:21:52,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 12:21:52,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910232437] [2024-10-14 12:21:52,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910232437] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 12:21:52,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 12:21:52,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 12:21:52,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174202428] [2024-10-14 12:21:52,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 12:21:52,280 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 12:21:52,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 12:21:52,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 12:21:52,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 12:21:52,281 INFO L87 Difference]: Start difference. First operand 162 states and 256 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2024-10-14 12:21:52,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 12:21:52,354 INFO L93 Difference]: Finished difference Result 360 states and 572 transitions. [2024-10-14 12:21:52,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 12:21:52,355 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) Word has length 220 [2024-10-14 12:21:52,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 12:21:52,358 INFO L225 Difference]: With dead ends: 360 [2024-10-14 12:21:52,359 INFO L226 Difference]: Without dead ends: 260 [2024-10-14 12:21:52,360 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 12:21:52,361 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 147 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 303 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 12:21:52,361 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 303 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 12:21:52,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2024-10-14 12:21:52,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 182. [2024-10-14 12:21:52,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 109 states have (on average 1.3577981651376148) internal successors, (148), 109 states have internal predecessors, (148), 70 states have call successors, (70), 2 states have call predecessors, (70), 2 states have return successors, (70), 70 states have call predecessors, (70), 70 states have call successors, (70) [2024-10-14 12:21:52,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 288 transitions. [2024-10-14 12:21:52,404 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 288 transitions. Word has length 220 [2024-10-14 12:21:52,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 12:21:52,405 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 288 transitions. [2024-10-14 12:21:52,405 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2024-10-14 12:21:52,407 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 288 transitions. [2024-10-14 12:21:52,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-10-14 12:21:52,412 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 12:21:52,412 INFO L215 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 12:21:52,412 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 12:21:52,413 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 12:21:52,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 12:21:52,413 INFO L85 PathProgramCache]: Analyzing trace with hash 1954076041, now seen corresponding path program 1 times [2024-10-14 12:21:52,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 12:21:52,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288212154] [2024-10-14 12:21:52,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 12:21:52,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 12:21:52,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:52,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 12:21:52,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:52,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 12:21:52,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:52,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 12:21:52,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:52,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 12:21:52,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:52,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 12:21:52,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:52,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 12:21:52,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:52,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 12:21:52,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:52,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 12:21:52,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:52,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 12:21:52,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:52,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-14 12:21:52,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:52,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-14 12:21:52,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:52,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-14 12:21:52,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:52,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-14 12:21:52,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:52,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 12:21:52,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:52,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-14 12:21:52,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:52,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-14 12:21:52,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:52,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-14 12:21:52,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:52,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-14 12:21:52,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:52,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-14 12:21:52,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:52,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-14 12:21:52,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:52,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-14 12:21:52,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:52,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-14 12:21:52,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:52,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-14 12:21:52,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:52,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-14 12:21:52,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:52,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-14 12:21:52,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:52,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-14 12:21:52,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:52,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-14 12:21:52,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:52,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-14 12:21:52,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:52,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-14 12:21:52,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:52,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-14 12:21:52,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:52,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-14 12:21:52,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:52,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-14 12:21:52,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:52,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-14 12:21:52,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:52,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-14 12:21:52,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:52,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-14 12:21:52,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:52,703 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2024-10-14 12:21:52,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 12:21:52,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288212154] [2024-10-14 12:21:52,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [288212154] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 12:21:52,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 12:21:52,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 12:21:52,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513061460] [2024-10-14 12:21:52,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 12:21:52,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 12:21:52,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 12:21:52,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 12:21:52,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 12:21:52,706 INFO L87 Difference]: Start difference. First operand 182 states and 288 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2024-10-14 12:21:52,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 12:21:52,783 INFO L93 Difference]: Finished difference Result 302 states and 480 transitions. [2024-10-14 12:21:52,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 12:21:52,784 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) Word has length 220 [2024-10-14 12:21:52,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 12:21:52,787 INFO L225 Difference]: With dead ends: 302 [2024-10-14 12:21:52,787 INFO L226 Difference]: Without dead ends: 182 [2024-10-14 12:21:52,791 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 12:21:52,792 INFO L432 NwaCegarLoop]: 156 mSDtfsCounter, 0 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 12:21:52,794 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 292 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 12:21:52,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2024-10-14 12:21:52,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182. [2024-10-14 12:21:52,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 109 states have (on average 1.3394495412844036) internal successors, (146), 109 states have internal predecessors, (146), 70 states have call successors, (70), 2 states have call predecessors, (70), 2 states have return successors, (70), 70 states have call predecessors, (70), 70 states have call successors, (70) [2024-10-14 12:21:52,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 286 transitions. [2024-10-14 12:21:52,831 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 286 transitions. Word has length 220 [2024-10-14 12:21:52,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 12:21:52,832 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 286 transitions. [2024-10-14 12:21:52,833 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2024-10-14 12:21:52,833 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 286 transitions. [2024-10-14 12:21:52,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2024-10-14 12:21:52,836 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 12:21:52,836 INFO L215 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 12:21:52,836 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 12:21:52,836 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 12:21:52,837 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 12:21:52,837 INFO L85 PathProgramCache]: Analyzing trace with hash 1491485528, now seen corresponding path program 1 times [2024-10-14 12:21:52,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 12:21:52,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997625557] [2024-10-14 12:21:52,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 12:21:52,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 12:21:53,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:56,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 12:21:56,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:56,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 12:21:56,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:56,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 12:21:56,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:56,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 12:21:56,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:56,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 12:21:56,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:56,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 12:21:56,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:56,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 12:21:56,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:56,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 12:21:56,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:56,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 12:21:56,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:56,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-14 12:21:56,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:56,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-14 12:21:56,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:56,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-14 12:21:56,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:56,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-14 12:21:56,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:56,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 12:21:56,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:56,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-14 12:21:56,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:56,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-14 12:21:56,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:56,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-14 12:21:56,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:56,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-14 12:21:56,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:56,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-14 12:21:56,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:56,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-14 12:21:56,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:56,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-14 12:21:56,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:56,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-14 12:21:56,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:56,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-14 12:21:56,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:56,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-14 12:21:56,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:56,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-14 12:21:56,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:56,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-14 12:21:56,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:56,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-14 12:21:56,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:56,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-14 12:21:56,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:56,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-14 12:21:56,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:56,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-14 12:21:56,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:56,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-14 12:21:56,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:56,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-14 12:21:56,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:56,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-14 12:21:56,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:56,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-14 12:21:56,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:56,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-14 12:21:56,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:56,760 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 441 proven. 147 refuted. 0 times theorem prover too weak. 1792 trivial. 0 not checked. [2024-10-14 12:21:56,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 12:21:56,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997625557] [2024-10-14 12:21:56,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [997625557] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 12:21:56,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1914561013] [2024-10-14 12:21:56,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 12:21:56,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 12:21:56,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 12:21:56,764 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 12:21:56,770 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-14 12:21:56,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:56,989 INFO L255 TraceCheckSpWp]: Trace formula consists of 497 conjuncts, 58 conjuncts are in the unsatisfiable core [2024-10-14 12:21:57,009 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 12:22:00,047 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 1641 proven. 189 refuted. 0 times theorem prover too weak. 550 trivial. 0 not checked. [2024-10-14 12:22:00,047 INFO L311 TraceCheckSpWp]: Computing backward predicates...