./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-39.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-39.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 4f3611a875fdf984da4dbe6a7960e00cbc86546d93a80a5be72248390d98dd3b --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-18 23:42:57,158 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-18 23:42:57,250 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-18 23:42:57,257 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-18 23:42:57,259 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-18 23:42:57,290 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-18 23:42:57,290 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-18 23:42:57,291 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-18 23:42:57,291 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-18 23:42:57,292 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-18 23:42:57,292 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-18 23:42:57,292 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-18 23:42:57,293 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-18 23:42:57,296 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-18 23:42:57,296 INFO L153 SettingsManager]: * Use SBE=true [2024-11-18 23:42:57,296 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-18 23:42:57,296 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-18 23:42:57,297 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-18 23:42:57,297 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-18 23:42:57,297 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-18 23:42:57,297 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-18 23:42:57,298 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-18 23:42:57,298 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-18 23:42:57,298 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-18 23:42:57,299 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-18 23:42:57,299 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-18 23:42:57,299 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-18 23:42:57,299 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-18 23:42:57,299 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-18 23:42:57,300 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-18 23:42:57,300 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-18 23:42:57,300 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-18 23:42:57,301 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 23:42:57,301 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-18 23:42:57,302 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-18 23:42:57,302 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-18 23:42:57,302 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-18 23:42:57,303 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-18 23:42:57,303 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-18 23:42:57,303 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-18 23:42:57,303 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-18 23:42:57,304 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-18 23:42:57,304 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f3611a875fdf984da4dbe6a7960e00cbc86546d93a80a5be72248390d98dd3b [2024-11-18 23:42:57,552 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-18 23:42:57,575 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-18 23:42:57,579 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-18 23:42:57,581 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-18 23:42:57,581 INFO L274 PluginConnector]: CDTParser initialized [2024-11-18 23:42:57,582 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-39.i [2024-11-18 23:42:59,023 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-18 23:42:59,243 INFO L384 CDTParser]: Found 1 translation units. [2024-11-18 23:42:59,244 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-39.i [2024-11-18 23:42:59,255 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3462afe0c/2ecc35b55c8944f1a6faa0afc1f2ab21/FLAG9b0cfeaec [2024-11-18 23:42:59,271 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3462afe0c/2ecc35b55c8944f1a6faa0afc1f2ab21 [2024-11-18 23:42:59,273 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-18 23:42:59,277 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-18 23:42:59,279 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-18 23:42:59,279 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-18 23:42:59,291 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-18 23:42:59,291 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:42:59" (1/1) ... [2024-11-18 23:42:59,292 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@560917f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:42:59, skipping insertion in model container [2024-11-18 23:42:59,292 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:42:59" (1/1) ... [2024-11-18 23:42:59,347 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-18 23:42:59,530 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-39.i[916,929] [2024-11-18 23:42:59,669 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 23:42:59,686 INFO L200 MainTranslator]: Completed pre-run [2024-11-18 23:42:59,700 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-39.i[916,929] [2024-11-18 23:42:59,780 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 23:42:59,811 INFO L204 MainTranslator]: Completed translation [2024-11-18 23:42:59,812 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:42:59 WrapperNode [2024-11-18 23:42:59,812 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-18 23:42:59,814 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-18 23:42:59,814 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-18 23:42:59,815 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-18 23:42:59,821 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:42:59" (1/1) ... [2024-11-18 23:42:59,841 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:42:59" (1/1) ... [2024-11-18 23:42:59,899 INFO L138 Inliner]: procedures = 26, calls = 55, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 358 [2024-11-18 23:42:59,900 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-18 23:42:59,901 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-18 23:42:59,901 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-18 23:42:59,901 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-18 23:42:59,912 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:42:59" (1/1) ... [2024-11-18 23:42:59,912 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:42:59" (1/1) ... [2024-11-18 23:42:59,929 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:42:59" (1/1) ... [2024-11-18 23:42:59,997 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-18 23:42:59,997 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:42:59" (1/1) ... [2024-11-18 23:42:59,997 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:42:59" (1/1) ... [2024-11-18 23:43:00,023 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:42:59" (1/1) ... [2024-11-18 23:43:00,030 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:42:59" (1/1) ... [2024-11-18 23:43:00,038 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:42:59" (1/1) ... [2024-11-18 23:43:00,042 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:42:59" (1/1) ... [2024-11-18 23:43:00,049 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-18 23:43:00,051 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-18 23:43:00,051 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-18 23:43:00,051 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-18 23:43:00,052 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:42:59" (1/1) ... [2024-11-18 23:43:00,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 23:43:00,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 23:43:00,085 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-18 23:43:00,088 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-18 23:43:00,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-18 23:43:00,130 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-18 23:43:00,130 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-18 23:43:00,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-18 23:43:00,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-18 23:43:00,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-18 23:43:00,284 INFO L238 CfgBuilder]: Building ICFG [2024-11-18 23:43:00,287 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-18 23:43:01,069 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-18 23:43:01,070 INFO L287 CfgBuilder]: Performing block encoding [2024-11-18 23:43:01,089 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-18 23:43:01,091 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-18 23:43:01,091 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:43:01 BoogieIcfgContainer [2024-11-18 23:43:01,091 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-18 23:43:01,093 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-18 23:43:01,093 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-18 23:43:01,096 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-18 23:43:01,096 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 11:42:59" (1/3) ... [2024-11-18 23:43:01,096 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@704aae8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:43:01, skipping insertion in model container [2024-11-18 23:43:01,097 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:42:59" (2/3) ... [2024-11-18 23:43:01,097 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@704aae8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:43:01, skipping insertion in model container [2024-11-18 23:43:01,097 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:43:01" (3/3) ... [2024-11-18 23:43:01,098 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount250_file-39.i [2024-11-18 23:43:01,111 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-18 23:43:01,111 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-18 23:43:01,178 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-18 23:43:01,184 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;@3eff7c4f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-18 23:43:01,184 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-18 23:43:01,190 INFO L276 IsEmpty]: Start isEmpty. Operand has 146 states, 101 states have (on average 1.504950495049505) internal successors, (152), 102 states have internal predecessors, (152), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-18 23:43:01,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2024-11-18 23:43:01,217 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 23:43:01,219 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 23:43:01,219 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 23:43:01,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 23:43:01,226 INFO L85 PathProgramCache]: Analyzing trace with hash -1448514590, now seen corresponding path program 1 times [2024-11-18 23:43:01,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 23:43:01,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267119264] [2024-11-18 23:43:01,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 23:43:01,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 23:43:01,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 23:43:01,752 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 82 refuted. 0 times theorem prover too weak. 3362 trivial. 0 not checked. [2024-11-18 23:43:01,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 23:43:01,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267119264] [2024-11-18 23:43:01,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267119264] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 23:43:01,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [228530743] [2024-11-18 23:43:01,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 23:43:01,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 23:43:01,755 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 23:43:01,757 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) [2024-11-18 23:43:01,758 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-18 23:43:02,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 23:43:02,126 INFO L255 TraceCheckSpWp]: Trace formula consists of 701 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-18 23:43:02,168 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 23:43:02,227 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 3362 trivial. 0 not checked. [2024-11-18 23:43:02,227 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 23:43:02,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [228530743] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 23:43:02,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-18 23:43:02,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-18 23:43:02,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661229252] [2024-11-18 23:43:02,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 23:43:02,238 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-18 23:43:02,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 23:43:02,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-18 23:43:02,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 23:43:02,265 INFO L87 Difference]: Start difference. First operand has 146 states, 101 states have (on average 1.504950495049505) internal successors, (152), 102 states have internal predecessors, (152), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) Second operand has 2 states, 2 states have (on average 40.0) internal successors, (80), 2 states have internal predecessors, (80), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 2 states have call successors, (42) [2024-11-18 23:43:02,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 23:43:02,300 INFO L93 Difference]: Finished difference Result 285 states and 508 transitions. [2024-11-18 23:43:02,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-18 23:43:02,303 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 40.0) internal successors, (80), 2 states have internal predecessors, (80), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 2 states have call successors, (42) Word has length 285 [2024-11-18 23:43:02,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 23:43:02,311 INFO L225 Difference]: With dead ends: 285 [2024-11-18 23:43:02,311 INFO L226 Difference]: Without dead ends: 142 [2024-11-18 23:43:02,315 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 286 GetRequests, 286 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 23:43:02,317 INFO L432 NwaCegarLoop]: 229 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 23:43:02,318 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 23:43:02,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2024-11-18 23:43:02,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2024-11-18 23:43:02,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 98 states have (on average 1.4795918367346939) internal successors, (145), 98 states have internal predecessors, (145), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-18 23:43:02,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 229 transitions. [2024-11-18 23:43:02,376 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 229 transitions. Word has length 285 [2024-11-18 23:43:02,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 23:43:02,376 INFO L471 AbstractCegarLoop]: Abstraction has 142 states and 229 transitions. [2024-11-18 23:43:02,376 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 40.0) internal successors, (80), 2 states have internal predecessors, (80), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 2 states have call successors, (42) [2024-11-18 23:43:02,377 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 229 transitions. [2024-11-18 23:43:02,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2024-11-18 23:43:02,386 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 23:43:02,387 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 23:43:02,404 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-18 23:43:02,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-18 23:43:02,588 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 23:43:02,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 23:43:02,588 INFO L85 PathProgramCache]: Analyzing trace with hash 2078141994, now seen corresponding path program 1 times [2024-11-18 23:43:02,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 23:43:02,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615540233] [2024-11-18 23:43:02,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 23:43:02,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 23:43:02,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 23:43:02,941 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-11-18 23:43:02,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 23:43:02,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615540233] [2024-11-18 23:43:02,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615540233] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 23:43:02,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 23:43:02,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 23:43:02,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883075003] [2024-11-18 23:43:02,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 23:43:02,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 23:43:02,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 23:43:02,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 23:43:02,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 23:43:02,952 INFO L87 Difference]: Start difference. First operand 142 states and 229 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-11-18 23:43:03,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 23:43:03,062 INFO L93 Difference]: Finished difference Result 384 states and 619 transitions. [2024-11-18 23:43:03,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 23:43:03,063 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) Word has length 285 [2024-11-18 23:43:03,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 23:43:03,067 INFO L225 Difference]: With dead ends: 384 [2024-11-18 23:43:03,067 INFO L226 Difference]: Without dead ends: 245 [2024-11-18 23:43:03,069 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 23:43:03,071 INFO L432 NwaCegarLoop]: 293 mSDtfsCounter, 140 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 503 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-18 23:43:03,073 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 503 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 23:43:03,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2024-11-18 23:43:03,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 242. [2024-11-18 23:43:03,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 172 states have (on average 1.4709302325581395) internal successors, (253), 173 states have internal predecessors, (253), 67 states have call successors, (67), 2 states have call predecessors, (67), 2 states have return successors, (67), 66 states have call predecessors, (67), 67 states have call successors, (67) [2024-11-18 23:43:03,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 387 transitions. [2024-11-18 23:43:03,117 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 387 transitions. Word has length 285 [2024-11-18 23:43:03,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 23:43:03,119 INFO L471 AbstractCegarLoop]: Abstraction has 242 states and 387 transitions. [2024-11-18 23:43:03,120 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-11-18 23:43:03,120 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 387 transitions. [2024-11-18 23:43:03,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2024-11-18 23:43:03,126 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 23:43:03,126 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 23:43:03,127 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-18 23:43:03,127 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 23:43:03,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 23:43:03,128 INFO L85 PathProgramCache]: Analyzing trace with hash -1181429547, now seen corresponding path program 1 times [2024-11-18 23:43:03,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 23:43:03,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935934555] [2024-11-18 23:43:03,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 23:43:03,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 23:43:03,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 23:43:03,940 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-11-18 23:43:03,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 23:43:03,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935934555] [2024-11-18 23:43:03,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935934555] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 23:43:03,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 23:43:03,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-18 23:43:03,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040728462] [2024-11-18 23:43:03,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 23:43:03,942 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-18 23:43:03,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 23:43:03,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-18 23:43:03,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-18 23:43:03,946 INFO L87 Difference]: Start difference. First operand 242 states and 387 transitions. Second operand has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 7 states have internal predecessors, (79), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-11-18 23:43:04,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 23:43:04,978 INFO L93 Difference]: Finished difference Result 1216 states and 1938 transitions. [2024-11-18 23:43:04,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-18 23:43:04,979 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 7 states have internal predecessors, (79), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) Word has length 286 [2024-11-18 23:43:04,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 23:43:04,989 INFO L225 Difference]: With dead ends: 1216 [2024-11-18 23:43:04,989 INFO L226 Difference]: Without dead ends: 977 [2024-11-18 23:43:04,990 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2024-11-18 23:43:04,991 INFO L432 NwaCegarLoop]: 722 mSDtfsCounter, 885 mSDsluCounter, 1739 mSDsCounter, 0 mSdLazyCounter, 416 mSolverCounterSat, 162 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 885 SdHoareTripleChecker+Valid, 2461 SdHoareTripleChecker+Invalid, 578 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 162 IncrementalHoareTripleChecker+Valid, 416 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-18 23:43:04,992 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [885 Valid, 2461 Invalid, 578 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [162 Valid, 416 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-18 23:43:04,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2024-11-18 23:43:05,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 858. [2024-11-18 23:43:05,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 858 states, 613 states have (on average 1.4584013050570963) internal successors, (894), 619 states have internal predecessors, (894), 234 states have call successors, (234), 10 states have call predecessors, (234), 10 states have return successors, (234), 228 states have call predecessors, (234), 234 states have call successors, (234) [2024-11-18 23:43:05,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 858 states and 1362 transitions. [2024-11-18 23:43:05,106 INFO L78 Accepts]: Start accepts. Automaton has 858 states and 1362 transitions. Word has length 286 [2024-11-18 23:43:05,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 23:43:05,107 INFO L471 AbstractCegarLoop]: Abstraction has 858 states and 1362 transitions. [2024-11-18 23:43:05,108 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 7 states have internal predecessors, (79), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-11-18 23:43:05,108 INFO L276 IsEmpty]: Start isEmpty. Operand 858 states and 1362 transitions. [2024-11-18 23:43:05,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2024-11-18 23:43:05,112 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 23:43:05,113 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 23:43:05,113 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-18 23:43:05,113 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 23:43:05,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 23:43:05,114 INFO L85 PathProgramCache]: Analyzing trace with hash 1741730451, now seen corresponding path program 1 times [2024-11-18 23:43:05,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 23:43:05,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539575482] [2024-11-18 23:43:05,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 23:43:05,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 23:43:05,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 23:43:15,284 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-11-18 23:43:15,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 23:43:15,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539575482] [2024-11-18 23:43:15,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539575482] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 23:43:15,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 23:43:15,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-18 23:43:15,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032374982] [2024-11-18 23:43:15,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 23:43:15,289 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-18 23:43:15,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 23:43:15,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-18 23:43:15,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-11-18 23:43:15,291 INFO L87 Difference]: Start difference. First operand 858 states and 1362 transitions. Second operand has 13 states, 13 states have (on average 6.076923076923077) internal successors, (79), 13 states have internal predecessors, (79), 4 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 3 states have call predecessors, (42), 4 states have call successors, (42) [2024-11-18 23:43:18,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 23:43:18,107 INFO L93 Difference]: Finished difference Result 2053 states and 3303 transitions. [2024-11-18 23:43:18,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-18 23:43:18,108 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.076923076923077) internal successors, (79), 13 states have internal predecessors, (79), 4 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 3 states have call predecessors, (42), 4 states have call successors, (42) Word has length 286 [2024-11-18 23:43:18,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 23:43:18,117 INFO L225 Difference]: With dead ends: 2053 [2024-11-18 23:43:18,117 INFO L226 Difference]: Without dead ends: 1647 [2024-11-18 23:43:18,119 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=157, Invalid=395, Unknown=0, NotChecked=0, Total=552 [2024-11-18 23:43:18,120 INFO L432 NwaCegarLoop]: 186 mSDtfsCounter, 2507 mSDsluCounter, 842 mSDsCounter, 0 mSdLazyCounter, 700 mSolverCounterSat, 301 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2507 SdHoareTripleChecker+Valid, 1028 SdHoareTripleChecker+Invalid, 1001 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 301 IncrementalHoareTripleChecker+Valid, 700 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-18 23:43:18,121 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2507 Valid, 1028 Invalid, 1001 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [301 Valid, 700 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-18 23:43:18,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1647 states. [2024-11-18 23:43:18,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1647 to 1003. [2024-11-18 23:43:18,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1003 states, 714 states have (on average 1.4453781512605042) internal successors, (1032), 720 states have internal predecessors, (1032), 276 states have call successors, (276), 12 states have call predecessors, (276), 12 states have return successors, (276), 270 states have call predecessors, (276), 276 states have call successors, (276) [2024-11-18 23:43:18,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1003 states to 1003 states and 1584 transitions. [2024-11-18 23:43:18,217 INFO L78 Accepts]: Start accepts. Automaton has 1003 states and 1584 transitions. Word has length 286 [2024-11-18 23:43:18,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 23:43:18,217 INFO L471 AbstractCegarLoop]: Abstraction has 1003 states and 1584 transitions. [2024-11-18 23:43:18,218 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.076923076923077) internal successors, (79), 13 states have internal predecessors, (79), 4 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 3 states have call predecessors, (42), 4 states have call successors, (42) [2024-11-18 23:43:18,218 INFO L276 IsEmpty]: Start isEmpty. Operand 1003 states and 1584 transitions. [2024-11-18 23:43:18,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2024-11-18 23:43:18,222 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 23:43:18,222 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 23:43:18,222 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-18 23:43:18,223 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 23:43:18,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 23:43:18,223 INFO L85 PathProgramCache]: Analyzing trace with hash -63707883, now seen corresponding path program 1 times [2024-11-18 23:43:18,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 23:43:18,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024550966] [2024-11-18 23:43:18,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 23:43:18,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 23:43:18,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 23:43:19,245 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 78 proven. 45 refuted. 0 times theorem prover too weak. 3321 trivial. 0 not checked. [2024-11-18 23:43:19,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 23:43:19,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024550966] [2024-11-18 23:43:19,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024550966] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 23:43:19,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1696910257] [2024-11-18 23:43:19,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 23:43:19,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 23:43:19,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 23:43:19,251 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-18 23:43:19,252 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-18 23:43:19,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 23:43:19,505 INFO L255 TraceCheckSpWp]: Trace formula consists of 702 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-18 23:43:19,513 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 23:43:19,728 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 1653 proven. 45 refuted. 0 times theorem prover too weak. 1746 trivial. 0 not checked. [2024-11-18 23:43:19,731 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-18 23:43:19,985 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 78 proven. 45 refuted. 0 times theorem prover too weak. 3321 trivial. 0 not checked. [2024-11-18 23:43:19,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1696910257] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-18 23:43:19,985 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-18 23:43:19,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2024-11-18 23:43:19,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678008688] [2024-11-18 23:43:19,986 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-18 23:43:19,987 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-18 23:43:19,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 23:43:19,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-18 23:43:19,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-18 23:43:19,988 INFO L87 Difference]: Start difference. First operand 1003 states and 1584 transitions. Second operand has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 7 states have internal predecessors, (88), 2 states have call successors, (57), 2 states have call predecessors, (57), 4 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) [2024-11-18 23:43:20,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 23:43:20,299 INFO L93 Difference]: Finished difference Result 1305 states and 2056 transitions. [2024-11-18 23:43:20,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-18 23:43:20,301 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 7 states have internal predecessors, (88), 2 states have call successors, (57), 2 states have call predecessors, (57), 4 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) Word has length 286 [2024-11-18 23:43:20,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 23:43:20,307 INFO L225 Difference]: With dead ends: 1305 [2024-11-18 23:43:20,307 INFO L226 Difference]: Without dead ends: 410 [2024-11-18 23:43:20,309 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 579 GetRequests, 569 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2024-11-18 23:43:20,310 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 274 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 299 SdHoareTripleChecker+Valid, 424 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-18 23:43:20,310 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [299 Valid, 424 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-18 23:43:20,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2024-11-18 23:43:20,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 394. [2024-11-18 23:43:20,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 260 states have (on average 1.3884615384615384) internal successors, (361), 260 states have internal predecessors, (361), 126 states have call successors, (126), 7 states have call predecessors, (126), 7 states have return successors, (126), 126 states have call predecessors, (126), 126 states have call successors, (126) [2024-11-18 23:43:20,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 613 transitions. [2024-11-18 23:43:20,347 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 613 transitions. Word has length 286 [2024-11-18 23:43:20,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 23:43:20,348 INFO L471 AbstractCegarLoop]: Abstraction has 394 states and 613 transitions. [2024-11-18 23:43:20,348 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 7 states have internal predecessors, (88), 2 states have call successors, (57), 2 states have call predecessors, (57), 4 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) [2024-11-18 23:43:20,348 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 613 transitions. [2024-11-18 23:43:20,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2024-11-18 23:43:20,352 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 23:43:20,353 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 23:43:20,375 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-18 23:43:20,554 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 23:43:20,555 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 23:43:20,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 23:43:20,555 INFO L85 PathProgramCache]: Analyzing trace with hash -1623072411, now seen corresponding path program 1 times [2024-11-18 23:43:20,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 23:43:20,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553736651] [2024-11-18 23:43:20,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 23:43:20,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 23:43:20,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 23:43:21,010 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-11-18 23:43:21,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 23:43:21,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553736651] [2024-11-18 23:43:21,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553736651] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 23:43:21,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 23:43:21,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-18 23:43:21,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283986190] [2024-11-18 23:43:21,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 23:43:21,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-18 23:43:21,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 23:43:21,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-18 23:43:21,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-18 23:43:21,013 INFO L87 Difference]: Start difference. First operand 394 states and 613 transitions. Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-11-18 23:43:21,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 23:43:21,176 INFO L93 Difference]: Finished difference Result 703 states and 1091 transitions. [2024-11-18 23:43:21,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-18 23:43:21,178 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) Word has length 286 [2024-11-18 23:43:21,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 23:43:21,182 INFO L225 Difference]: With dead ends: 703 [2024-11-18 23:43:21,182 INFO L226 Difference]: Without dead ends: 404 [2024-11-18 23:43:21,183 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-18 23:43:21,186 INFO L432 NwaCegarLoop]: 207 mSDtfsCounter, 225 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-18 23:43:21,187 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [225 Valid, 316 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 23:43:21,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2024-11-18 23:43:21,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 404. [2024-11-18 23:43:21,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 404 states, 267 states have (on average 1.352059925093633) internal successors, (361), 267 states have internal predecessors, (361), 126 states have call successors, (126), 10 states have call predecessors, (126), 10 states have return successors, (126), 126 states have call predecessors, (126), 126 states have call successors, (126) [2024-11-18 23:43:21,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 613 transitions. [2024-11-18 23:43:21,236 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 613 transitions. Word has length 286 [2024-11-18 23:43:21,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 23:43:21,237 INFO L471 AbstractCegarLoop]: Abstraction has 404 states and 613 transitions. [2024-11-18 23:43:21,237 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-11-18 23:43:21,237 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 613 transitions. [2024-11-18 23:43:21,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2024-11-18 23:43:21,241 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 23:43:21,241 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 23:43:21,241 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-18 23:43:21,242 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 23:43:21,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 23:43:21,242 INFO L85 PathProgramCache]: Analyzing trace with hash 2012363363, now seen corresponding path program 1 times [2024-11-18 23:43:21,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 23:43:21,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543961425] [2024-11-18 23:43:21,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 23:43:21,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 23:43:21,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 23:43:21,599 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-11-18 23:43:21,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 23:43:21,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543961425] [2024-11-18 23:43:21,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543961425] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 23:43:21,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 23:43:21,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 23:43:21,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262769035] [2024-11-18 23:43:21,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 23:43:21,601 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 23:43:21,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 23:43:21,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 23:43:21,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 23:43:21,602 INFO L87 Difference]: Start difference. First operand 404 states and 613 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-11-18 23:43:21,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 23:43:21,684 INFO L93 Difference]: Finished difference Result 974 states and 1489 transitions. [2024-11-18 23:43:21,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 23:43:21,685 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) Word has length 286 [2024-11-18 23:43:21,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 23:43:21,690 INFO L225 Difference]: With dead ends: 974 [2024-11-18 23:43:21,690 INFO L226 Difference]: Without dead ends: 686 [2024-11-18 23:43:21,691 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 23:43:21,692 INFO L432 NwaCegarLoop]: 216 mSDtfsCounter, 105 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 425 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 23:43:21,692 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 425 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 23:43:21,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 686 states. [2024-11-18 23:43:21,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 686 to 680. [2024-11-18 23:43:21,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 680 states, 453 states have (on average 1.3554083885209713) internal successors, (614), 453 states have internal predecessors, (614), 210 states have call successors, (210), 16 states have call predecessors, (210), 16 states have return successors, (210), 210 states have call predecessors, (210), 210 states have call successors, (210) [2024-11-18 23:43:21,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 680 states and 1034 transitions. [2024-11-18 23:43:21,748 INFO L78 Accepts]: Start accepts. Automaton has 680 states and 1034 transitions. Word has length 286 [2024-11-18 23:43:21,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 23:43:21,748 INFO L471 AbstractCegarLoop]: Abstraction has 680 states and 1034 transitions. [2024-11-18 23:43:21,749 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-11-18 23:43:21,749 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 1034 transitions. [2024-11-18 23:43:21,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2024-11-18 23:43:21,752 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 23:43:21,752 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 23:43:21,753 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-18 23:43:21,753 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 23:43:21,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 23:43:21,753 INFO L85 PathProgramCache]: Analyzing trace with hash 1425557349, now seen corresponding path program 1 times [2024-11-18 23:43:21,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 23:43:21,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328544709] [2024-11-18 23:43:21,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 23:43:21,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 23:43:22,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 23:43:23,987 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 3 proven. 120 refuted. 0 times theorem prover too weak. 3321 trivial. 0 not checked. [2024-11-18 23:43:23,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 23:43:23,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328544709] [2024-11-18 23:43:23,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328544709] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 23:43:23,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [95461352] [2024-11-18 23:43:23,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 23:43:23,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 23:43:23,989 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 23:43:23,990 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-18 23:43:23,992 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-18 23:43:24,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 23:43:24,264 INFO L255 TraceCheckSpWp]: Trace formula consists of 703 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-18 23:43:24,273 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 23:43:24,852 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 893 proven. 105 refuted. 0 times theorem prover too weak. 2446 trivial. 0 not checked. [2024-11-18 23:43:24,856 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-18 23:43:25,392 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 18 proven. 105 refuted. 0 times theorem prover too weak. 3321 trivial. 0 not checked. [2024-11-18 23:43:25,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [95461352] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-18 23:43:25,393 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-18 23:43:25,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 7] total 18 [2024-11-18 23:43:25,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347692645] [2024-11-18 23:43:25,394 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-18 23:43:25,395 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-18 23:43:25,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 23:43:25,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-18 23:43:25,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2024-11-18 23:43:25,396 INFO L87 Difference]: Start difference. First operand 680 states and 1034 transitions. Second operand has 18 states, 17 states have (on average 11.0) internal successors, (187), 17 states have internal predecessors, (187), 6 states have call successors, (119), 2 states have call predecessors, (119), 4 states have return successors, (120), 5 states have call predecessors, (120), 6 states have call successors, (120) [2024-11-18 23:43:29,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 23:43:29,425 INFO L93 Difference]: Finished difference Result 4788 states and 7137 transitions. [2024-11-18 23:43:29,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-11-18 23:43:29,426 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 11.0) internal successors, (187), 17 states have internal predecessors, (187), 6 states have call successors, (119), 2 states have call predecessors, (119), 4 states have return successors, (120), 5 states have call predecessors, (120), 6 states have call successors, (120) Word has length 286 [2024-11-18 23:43:29,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 23:43:29,450 INFO L225 Difference]: With dead ends: 4788 [2024-11-18 23:43:29,450 INFO L226 Difference]: Without dead ends: 4223 [2024-11-18 23:43:29,456 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 648 GetRequests, 571 SyntacticMatches, 1 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1800 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=1132, Invalid=4874, Unknown=0, NotChecked=0, Total=6006 [2024-11-18 23:43:29,457 INFO L432 NwaCegarLoop]: 237 mSDtfsCounter, 3106 mSDsluCounter, 1494 mSDsCounter, 0 mSdLazyCounter, 1489 mSolverCounterSat, 1033 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3112 SdHoareTripleChecker+Valid, 1731 SdHoareTripleChecker+Invalid, 2522 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1033 IncrementalHoareTripleChecker+Valid, 1489 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-18 23:43:29,458 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3112 Valid, 1731 Invalid, 2522 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1033 Valid, 1489 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-18 23:43:29,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4223 states. [2024-11-18 23:43:29,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4223 to 3689. [2024-11-18 23:43:29,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3689 states, 2516 states have (on average 1.34697933227345) internal successors, (3389), 2516 states have internal predecessors, (3389), 1050 states have call successors, (1050), 122 states have call predecessors, (1050), 122 states have return successors, (1050), 1050 states have call predecessors, (1050), 1050 states have call successors, (1050) [2024-11-18 23:43:29,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3689 states to 3689 states and 5489 transitions. [2024-11-18 23:43:29,834 INFO L78 Accepts]: Start accepts. Automaton has 3689 states and 5489 transitions. Word has length 286 [2024-11-18 23:43:29,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 23:43:29,834 INFO L471 AbstractCegarLoop]: Abstraction has 3689 states and 5489 transitions. [2024-11-18 23:43:29,835 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 11.0) internal successors, (187), 17 states have internal predecessors, (187), 6 states have call successors, (119), 2 states have call predecessors, (119), 4 states have return successors, (120), 5 states have call predecessors, (120), 6 states have call successors, (120) [2024-11-18 23:43:29,835 INFO L276 IsEmpty]: Start isEmpty. Operand 3689 states and 5489 transitions. [2024-11-18 23:43:29,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2024-11-18 23:43:29,841 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 23:43:29,841 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 23:43:29,862 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-18 23:43:30,041 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 23:43:30,042 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 23:43:30,043 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 23:43:30,043 INFO L85 PathProgramCache]: Analyzing trace with hash -598735703, now seen corresponding path program 1 times [2024-11-18 23:43:30,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 23:43:30,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360479956] [2024-11-18 23:43:30,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 23:43:30,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 23:43:30,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 23:43:31,079 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 18 proven. 105 refuted. 0 times theorem prover too weak. 3321 trivial. 0 not checked. [2024-11-18 23:43:31,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 23:43:31,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360479956] [2024-11-18 23:43:31,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360479956] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 23:43:31,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1382867438] [2024-11-18 23:43:31,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 23:43:31,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 23:43:31,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 23:43:31,082 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-18 23:43:31,084 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-18 23:43:31,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 23:43:31,374 INFO L255 TraceCheckSpWp]: Trace formula consists of 701 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-18 23:43:31,381 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 23:43:34,308 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 1080 proven. 594 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2024-11-18 23:43:34,309 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-18 23:43:40,364 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 51 proven. 423 refuted. 0 times theorem prover too weak. 2970 trivial. 0 not checked. [2024-11-18 23:43:40,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1382867438] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-18 23:43:40,365 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-18 23:43:40,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 22, 18] total 40 [2024-11-18 23:43:40,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111385908] [2024-11-18 23:43:40,365 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-18 23:43:40,366 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2024-11-18 23:43:40,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 23:43:40,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2024-11-18 23:43:40,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=329, Invalid=1231, Unknown=0, NotChecked=0, Total=1560 [2024-11-18 23:43:40,368 INFO L87 Difference]: Start difference. First operand 3689 states and 5489 transitions. Second operand has 40 states, 39 states have (on average 5.076923076923077) internal successors, (198), 37 states have internal predecessors, (198), 13 states have call successors, (123), 7 states have call predecessors, (123), 15 states have return successors, (125), 13 states have call predecessors, (125), 13 states have call successors, (125) [2024-11-18 23:43:42,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 23:43:42,504 INFO L93 Difference]: Finished difference Result 7989 states and 11420 transitions. [2024-11-18 23:43:42,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-18 23:43:42,506 INFO L78 Accepts]: Start accepts. Automaton has has 40 states, 39 states have (on average 5.076923076923077) internal successors, (198), 37 states have internal predecessors, (198), 13 states have call successors, (123), 7 states have call predecessors, (123), 15 states have return successors, (125), 13 states have call predecessors, (125), 13 states have call successors, (125) Word has length 286 [2024-11-18 23:43:42,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 23:43:42,535 INFO L225 Difference]: With dead ends: 7989 [2024-11-18 23:43:42,536 INFO L226 Difference]: Without dead ends: 4403 [2024-11-18 23:43:42,551 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 610 GetRequests, 543 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1179 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=1061, Invalid=3631, Unknown=0, NotChecked=0, Total=4692 [2024-11-18 23:43:42,553 INFO L432 NwaCegarLoop]: 147 mSDtfsCounter, 715 mSDsluCounter, 1101 mSDsCounter, 0 mSdLazyCounter, 1614 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 715 SdHoareTripleChecker+Valid, 1248 SdHoareTripleChecker+Invalid, 1702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 1614 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-18 23:43:42,554 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [715 Valid, 1248 Invalid, 1702 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 1614 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-18 23:43:42,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4403 states. [2024-11-18 23:43:42,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4403 to 4205. [2024-11-18 23:43:42,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4205 states, 2903 states have (on average 1.2921116086806752) internal successors, (3751), 2903 states have internal predecessors, (3751), 1050 states have call successors, (1050), 251 states have call predecessors, (1050), 251 states have return successors, (1050), 1050 states have call predecessors, (1050), 1050 states have call successors, (1050) [2024-11-18 23:43:42,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4205 states to 4205 states and 5851 transitions. [2024-11-18 23:43:42,992 INFO L78 Accepts]: Start accepts. Automaton has 4205 states and 5851 transitions. Word has length 286 [2024-11-18 23:43:42,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 23:43:42,992 INFO L471 AbstractCegarLoop]: Abstraction has 4205 states and 5851 transitions. [2024-11-18 23:43:42,993 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 39 states have (on average 5.076923076923077) internal successors, (198), 37 states have internal predecessors, (198), 13 states have call successors, (123), 7 states have call predecessors, (123), 15 states have return successors, (125), 13 states have call predecessors, (125), 13 states have call successors, (125) [2024-11-18 23:43:42,993 INFO L276 IsEmpty]: Start isEmpty. Operand 4205 states and 5851 transitions. [2024-11-18 23:43:42,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2024-11-18 23:43:42,995 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 23:43:42,996 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 23:43:43,016 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-18 23:43:43,196 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 23:43:43,197 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 23:43:43,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 23:43:43,197 INFO L85 PathProgramCache]: Analyzing trace with hash -175088981, now seen corresponding path program 1 times [2024-11-18 23:43:43,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 23:43:43,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902220172] [2024-11-18 23:43:43,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 23:43:43,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 23:43:43,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 23:43:45,014 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 30 proven. 93 refuted. 0 times theorem prover too weak. 3321 trivial. 0 not checked. [2024-11-18 23:43:45,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 23:43:45,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902220172] [2024-11-18 23:43:45,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902220172] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 23:43:45,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [363610896] [2024-11-18 23:43:45,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 23:43:45,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 23:43:45,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 23:43:45,017 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-18 23:43:45,018 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-18 23:43:45,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 23:43:45,261 INFO L255 TraceCheckSpWp]: Trace formula consists of 701 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-18 23:43:45,266 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 23:43:46,443 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 1334 proven. 180 refuted. 0 times theorem prover too weak. 1930 trivial. 0 not checked. [2024-11-18 23:43:46,444 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-18 23:43:47,338 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 60 proven. 183 refuted. 0 times theorem prover too weak. 3201 trivial. 0 not checked. [2024-11-18 23:43:47,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [363610896] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-18 23:43:47,339 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-18 23:43:47,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12, 13] total 33 [2024-11-18 23:43:47,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152914048] [2024-11-18 23:43:47,339 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-18 23:43:47,340 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-18 23:43:47,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 23:43:47,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-18 23:43:47,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=179, Invalid=877, Unknown=0, NotChecked=0, Total=1056 [2024-11-18 23:43:47,341 INFO L87 Difference]: Start difference. First operand 4205 states and 5851 transitions. Second operand has 33 states, 32 states have (on average 7.25) internal successors, (232), 31 states have internal predecessors, (232), 9 states have call successors, (126), 4 states have call predecessors, (126), 8 states have return successors, (126), 9 states have call predecessors, (126), 9 states have call successors, (126) [2024-11-18 23:43:50,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 23:43:50,171 INFO L93 Difference]: Finished difference Result 8897 states and 12280 transitions. [2024-11-18 23:43:50,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-11-18 23:43:50,172 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 32 states have (on average 7.25) internal successors, (232), 31 states have internal predecessors, (232), 9 states have call successors, (126), 4 states have call predecessors, (126), 8 states have return successors, (126), 9 states have call predecessors, (126), 9 states have call successors, (126) Word has length 286 [2024-11-18 23:43:50,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 23:43:50,216 INFO L225 Difference]: With dead ends: 8897 [2024-11-18 23:43:50,217 INFO L226 Difference]: Without dead ends: 6873 [2024-11-18 23:43:50,227 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 617 GetRequests, 557 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 826 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=771, Invalid=3011, Unknown=0, NotChecked=0, Total=3782 [2024-11-18 23:43:50,228 INFO L432 NwaCegarLoop]: 209 mSDtfsCounter, 1906 mSDsluCounter, 2374 mSDsCounter, 0 mSdLazyCounter, 2635 mSolverCounterSat, 421 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1917 SdHoareTripleChecker+Valid, 2583 SdHoareTripleChecker+Invalid, 3056 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 421 IncrementalHoareTripleChecker+Valid, 2635 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-18 23:43:50,229 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1917 Valid, 2583 Invalid, 3056 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [421 Valid, 2635 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-18 23:43:50,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6873 states. [2024-11-18 23:43:51,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6873 to 5307. [2024-11-18 23:43:51,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5307 states, 3813 states have (on average 1.3149750852347233) internal successors, (5014), 3825 states have internal predecessors, (5014), 1170 states have call successors, (1170), 323 states have call predecessors, (1170), 323 states have return successors, (1170), 1158 states have call predecessors, (1170), 1170 states have call successors, (1170) [2024-11-18 23:43:51,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5307 states to 5307 states and 7354 transitions. [2024-11-18 23:43:51,103 INFO L78 Accepts]: Start accepts. Automaton has 5307 states and 7354 transitions. Word has length 286 [2024-11-18 23:43:51,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 23:43:51,103 INFO L471 AbstractCegarLoop]: Abstraction has 5307 states and 7354 transitions. [2024-11-18 23:43:51,104 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 32 states have (on average 7.25) internal successors, (232), 31 states have internal predecessors, (232), 9 states have call successors, (126), 4 states have call predecessors, (126), 8 states have return successors, (126), 9 states have call predecessors, (126), 9 states have call successors, (126) [2024-11-18 23:43:51,104 INFO L276 IsEmpty]: Start isEmpty. Operand 5307 states and 7354 transitions. [2024-11-18 23:43:51,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2024-11-18 23:43:51,107 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 23:43:51,108 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 23:43:51,127 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-18 23:43:51,308 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-18 23:43:51,309 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 23:43:51,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 23:43:51,309 INFO L85 PathProgramCache]: Analyzing trace with hash 43765737, now seen corresponding path program 1 times [2024-11-18 23:43:51,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 23:43:51,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695998820] [2024-11-18 23:43:51,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 23:43:51,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 23:43:51,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 23:43:56,210 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 96 proven. 360 refuted. 0 times theorem prover too weak. 2988 trivial. 0 not checked. [2024-11-18 23:43:56,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 23:43:56,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695998820] [2024-11-18 23:43:56,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695998820] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 23:43:56,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1080397054] [2024-11-18 23:43:56,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 23:43:56,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 23:43:56,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 23:43:56,213 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-18 23:43:56,215 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-18 23:43:56,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 23:43:56,459 INFO L255 TraceCheckSpWp]: Trace formula consists of 701 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-18 23:43:56,469 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 23:43:58,561 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 1863 proven. 366 refuted. 0 times theorem prover too weak. 1215 trivial. 0 not checked. [2024-11-18 23:43:58,561 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-18 23:43:59,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1080397054] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 23:43:59,636 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-18 23:43:59,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 19] total 32 [2024-11-18 23:43:59,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499283054] [2024-11-18 23:43:59,637 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-18 23:43:59,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-11-18 23:43:59,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 23:43:59,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-11-18 23:43:59,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=299, Invalid=1681, Unknown=0, NotChecked=0, Total=1980 [2024-11-18 23:43:59,640 INFO L87 Difference]: Start difference. First operand 5307 states and 7354 transitions. Second operand has 32 states, 32 states have (on average 4.90625) internal successors, (157), 30 states have internal predecessors, (157), 11 states have call successors, (84), 6 states have call predecessors, (84), 8 states have return successors, (84), 11 states have call predecessors, (84), 11 states have call successors, (84) [2024-11-18 23:44:06,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 23:44:06,921 INFO L93 Difference]: Finished difference Result 16491 states and 23309 transitions. [2024-11-18 23:44:06,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2024-11-18 23:44:06,924 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 4.90625) internal successors, (157), 30 states have internal predecessors, (157), 11 states have call successors, (84), 6 states have call predecessors, (84), 8 states have return successors, (84), 11 states have call predecessors, (84), 11 states have call successors, (84) Word has length 286 [2024-11-18 23:44:06,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 23:44:06,982 INFO L225 Difference]: With dead ends: 16491 [2024-11-18 23:44:06,982 INFO L226 Difference]: Without dead ends: 11965 [2024-11-18 23:44:06,998 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 560 GetRequests, 463 SyntacticMatches, 0 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2211 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=1768, Invalid=7934, Unknown=0, NotChecked=0, Total=9702 [2024-11-18 23:44:06,999 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 4429 mSDsluCounter, 2217 mSDsCounter, 0 mSdLazyCounter, 3862 mSolverCounterSat, 439 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4448 SdHoareTripleChecker+Valid, 2388 SdHoareTripleChecker+Invalid, 4301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 439 IncrementalHoareTripleChecker+Valid, 3862 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-11-18 23:44:06,999 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4448 Valid, 2388 Invalid, 4301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [439 Valid, 3862 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-11-18 23:44:07,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11965 states. [2024-11-18 23:44:07,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11965 to 5887. [2024-11-18 23:44:07,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5887 states, 4293 states have (on average 1.301420917773119) internal successors, (5587), 4305 states have internal predecessors, (5587), 1170 states have call successors, (1170), 423 states have call predecessors, (1170), 423 states have return successors, (1170), 1158 states have call predecessors, (1170), 1170 states have call successors, (1170) [2024-11-18 23:44:07,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5887 states to 5887 states and 7927 transitions. [2024-11-18 23:44:07,977 INFO L78 Accepts]: Start accepts. Automaton has 5887 states and 7927 transitions. Word has length 286 [2024-11-18 23:44:07,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 23:44:07,977 INFO L471 AbstractCegarLoop]: Abstraction has 5887 states and 7927 transitions. [2024-11-18 23:44:07,978 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 4.90625) internal successors, (157), 30 states have internal predecessors, (157), 11 states have call successors, (84), 6 states have call predecessors, (84), 8 states have return successors, (84), 11 states have call predecessors, (84), 11 states have call successors, (84) [2024-11-18 23:44:07,979 INFO L276 IsEmpty]: Start isEmpty. Operand 5887 states and 7927 transitions. [2024-11-18 23:44:07,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2024-11-18 23:44:07,984 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 23:44:07,984 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 23:44:08,004 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0