./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-acceleration/array_4.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/loop-acceleration/array_4.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 e8c27e61ac5d5a22c0e00a5dbac1b872460567877a501387ed9d5bda89096498 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 02:54:42,210 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 02:54:42,256 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-01-09 02:54:42,259 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 02:54:42,261 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 02:54:42,277 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 02:54:42,278 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 02:54:42,278 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 02:54:42,278 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 02:54:42,278 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 02:54:42,278 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 02:54:42,278 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 02:54:42,279 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 02:54:42,279 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 02:54:42,279 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 02:54:42,279 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 02:54:42,279 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 02:54:42,279 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 02:54:42,279 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 02:54:42,279 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 02:54:42,279 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 02:54:42,279 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 02:54:42,280 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 02:54:42,280 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 02:54:42,280 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 02:54:42,280 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 02:54:42,280 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 02:54:42,280 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 02:54:42,280 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 02:54:42,280 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 02:54:42,280 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 02:54:42,280 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 02:54:42,280 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 02:54:42,281 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 02:54:42,281 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 02:54:42,281 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 02:54:42,281 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 02:54:42,281 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 02:54:42,281 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 02:54:42,281 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 02:54:42,281 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 02:54:42,281 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 02:54:42,281 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 02:54:42,281 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 02:54:42,281 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 02:54:42,282 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 02:54:42,282 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 02:54:42,282 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 02:54:42,282 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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-jdk21/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 -> e8c27e61ac5d5a22c0e00a5dbac1b872460567877a501387ed9d5bda89096498 [2025-01-09 02:54:42,522 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 02:54:42,531 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 02:54:42,534 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 02:54:42,535 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 02:54:42,536 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 02:54:42,537 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-acceleration/array_4.i [2025-01-09 02:54:43,711 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e97d570ca/3ae0c92de6f54f4dbdace72c731e5a38/FLAG4e4db11a3 [2025-01-09 02:54:43,945 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 02:54:43,946 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/loop-acceleration/array_4.i [2025-01-09 02:54:43,954 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e97d570ca/3ae0c92de6f54f4dbdace72c731e5a38/FLAG4e4db11a3 [2025-01-09 02:54:43,970 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e97d570ca/3ae0c92de6f54f4dbdace72c731e5a38 [2025-01-09 02:54:43,972 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 02:54:43,974 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 02:54:43,975 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 02:54:43,976 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 02:54:43,979 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 02:54:43,979 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 02:54:43" (1/1) ... [2025-01-09 02:54:43,981 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2984c5fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:54:43, skipping insertion in model container [2025-01-09 02:54:43,981 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 02:54:43" (1/1) ... [2025-01-09 02:54:43,993 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 02:54:44,086 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/loop-acceleration/array_4.i[848,861] [2025-01-09 02:54:44,097 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 02:54:44,104 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 02:54:44,111 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/loop-acceleration/array_4.i[848,861] [2025-01-09 02:54:44,115 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 02:54:44,126 INFO L204 MainTranslator]: Completed translation [2025-01-09 02:54:44,126 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:54:44 WrapperNode [2025-01-09 02:54:44,126 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 02:54:44,127 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 02:54:44,127 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 02:54:44,127 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 02:54:44,132 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:54:44" (1/1) ... [2025-01-09 02:54:44,138 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:54:44" (1/1) ... [2025-01-09 02:54:44,148 INFO L138 Inliner]: procedures = 16, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 39 [2025-01-09 02:54:44,149 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 02:54:44,150 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 02:54:44,150 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 02:54:44,151 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 02:54:44,156 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:54:44" (1/1) ... [2025-01-09 02:54:44,156 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:54:44" (1/1) ... [2025-01-09 02:54:44,162 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:54:44" (1/1) ... [2025-01-09 02:54:44,169 INFO L175 MemorySlicer]: Split 5 memory accesses to 2 slices as follows [2, 3]. 60 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 2 writes are split as follows [0, 2]. [2025-01-09 02:54:44,170 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:54:44" (1/1) ... [2025-01-09 02:54:44,170 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:54:44" (1/1) ... [2025-01-09 02:54:44,172 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:54:44" (1/1) ... [2025-01-09 02:54:44,172 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:54:44" (1/1) ... [2025-01-09 02:54:44,174 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:54:44" (1/1) ... [2025-01-09 02:54:44,177 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:54:44" (1/1) ... [2025-01-09 02:54:44,177 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:54:44" (1/1) ... [2025-01-09 02:54:44,178 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 02:54:44,179 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 02:54:44,179 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 02:54:44,179 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 02:54:44,180 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:54:44" (1/1) ... [2025-01-09 02:54:44,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 02:54:44,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 02:54:44,205 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 02:54:44,206 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 02:54:44,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 02:54:44,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 02:54:44,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 02:54:44,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 02:54:44,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 02:54:44,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 02:54:44,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 02:54:44,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 02:54:44,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 02:54:44,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 02:54:44,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 02:54:44,267 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 02:54:44,269 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 02:54:44,360 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2025-01-09 02:54:44,360 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 02:54:44,367 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 02:54:44,368 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 02:54:44,368 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 02:54:44 BoogieIcfgContainer [2025-01-09 02:54:44,369 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 02:54:44,370 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 02:54:44,370 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 02:54:44,374 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 02:54:44,374 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 02:54:43" (1/3) ... [2025-01-09 02:54:44,375 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b38af14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 02:54:44, skipping insertion in model container [2025-01-09 02:54:44,375 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:54:44" (2/3) ... [2025-01-09 02:54:44,376 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b38af14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 02:54:44, skipping insertion in model container [2025-01-09 02:54:44,376 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 02:54:44" (3/3) ... [2025-01-09 02:54:44,378 INFO L128 eAbstractionObserver]: Analyzing ICFG array_4.i [2025-01-09 02:54:44,388 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 02:54:44,389 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG array_4.i that has 1 procedures, 14 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2025-01-09 02:54:44,424 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 02:54:44,431 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;@70e6e6fb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 02:54:44,432 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 02:54:44,434 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 13 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 02:54:44,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-01-09 02:54:44,437 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 02:54:44,438 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-01-09 02:54:44,438 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 02:54:44,445 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 02:54:44,445 INFO L85 PathProgramCache]: Analyzing trace with hash 1808105353, now seen corresponding path program 1 times [2025-01-09 02:54:44,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 02:54:44,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986533040] [2025-01-09 02:54:44,451 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 02:54:44,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 02:54:44,505 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-01-09 02:54:44,520 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-09 02:54:44,521 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 02:54:44,521 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 02:54:44,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 02:54:44,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 02:54:44,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986533040] [2025-01-09 02:54:44,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986533040] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 02:54:44,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 02:54:44,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 02:54:44,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29230701] [2025-01-09 02:54:44,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 02:54:44,605 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 02:54:44,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 02:54:44,616 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 02:54:44,617 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 02:54:44,618 INFO L87 Difference]: Start difference. First operand has 14 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 13 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 02:54:44,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 02:54:44,641 INFO L93 Difference]: Finished difference Result 30 states and 38 transitions. [2025-01-09 02:54:44,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 02:54:44,643 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2025-01-09 02:54:44,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 02:54:44,647 INFO L225 Difference]: With dead ends: 30 [2025-01-09 02:54:44,647 INFO L226 Difference]: Without dead ends: 15 [2025-01-09 02:54:44,651 INFO L434 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 [2025-01-09 02:54:44,653 INFO L435 NwaCegarLoop]: 11 mSDtfsCounter, 3 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 02:54:44,654 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 19 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 02:54:44,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2025-01-09 02:54:44,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 11. [2025-01-09 02:54:44,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 02:54:44,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 12 transitions. [2025-01-09 02:54:44,677 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 12 transitions. Word has length 7 [2025-01-09 02:54:44,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 02:54:44,678 INFO L471 AbstractCegarLoop]: Abstraction has 11 states and 12 transitions. [2025-01-09 02:54:44,678 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 02:54:44,678 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2025-01-09 02:54:44,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2025-01-09 02:54:44,678 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 02:54:44,678 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 02:54:44,679 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-09 02:54:44,679 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 02:54:44,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 02:54:44,680 INFO L85 PathProgramCache]: Analyzing trace with hash 264839503, now seen corresponding path program 1 times [2025-01-09 02:54:44,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 02:54:44,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70130414] [2025-01-09 02:54:44,680 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 02:54:44,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 02:54:44,693 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-01-09 02:54:44,700 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-01-09 02:54:44,701 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 02:54:44,701 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 02:54:44,756 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 02:54:44,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 02:54:44,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70130414] [2025-01-09 02:54:44,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70130414] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 02:54:44,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [425005773] [2025-01-09 02:54:44,757 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 02:54:44,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 02:54:44,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 02:54:44,760 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 02:54:44,761 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-01-09 02:54:44,796 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-01-09 02:54:44,813 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-01-09 02:54:44,813 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 02:54:44,813 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 02:54:44,816 INFO L256 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-09 02:54:44,818 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 02:54:44,845 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 02:54:44,846 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-09 02:54:44,869 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 02:54:44,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [425005773] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-09 02:54:44,870 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-09 02:54:44,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2025-01-09 02:54:44,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949367009] [2025-01-09 02:54:44,870 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-09 02:54:44,871 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-09 02:54:44,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 02:54:44,871 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-09 02:54:44,871 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-01-09 02:54:44,871 INFO L87 Difference]: Start difference. First operand 11 states and 12 transitions. Second operand has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 02:54:44,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 02:54:44,907 INFO L93 Difference]: Finished difference Result 37 states and 45 transitions. [2025-01-09 02:54:44,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 02:54:44,908 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2025-01-09 02:54:44,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 02:54:44,909 INFO L225 Difference]: With dead ends: 37 [2025-01-09 02:54:44,910 INFO L226 Difference]: Without dead ends: 30 [2025-01-09 02:54:44,911 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-01-09 02:54:44,911 INFO L435 NwaCegarLoop]: 7 mSDtfsCounter, 15 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 02:54:44,912 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 26 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 02:54:44,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2025-01-09 02:54:44,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 14. [2025-01-09 02:54:44,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 13 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 02:54:44,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2025-01-09 02:54:44,917 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 9 [2025-01-09 02:54:44,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 02:54:44,917 INFO L471 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2025-01-09 02:54:44,918 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 02:54:44,918 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2025-01-09 02:54:44,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-01-09 02:54:44,918 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 02:54:44,919 INFO L218 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 02:54:44,925 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-01-09 02:54:45,122 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 02:54:45,122 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 02:54:45,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 02:54:45,122 INFO L85 PathProgramCache]: Analyzing trace with hash 111415407, now seen corresponding path program 2 times [2025-01-09 02:54:45,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 02:54:45,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759409543] [2025-01-09 02:54:45,123 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-09 02:54:45,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 02:54:45,131 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 12 statements into 2 equivalence classes. [2025-01-09 02:54:45,140 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 8 of 12 statements. [2025-01-09 02:54:45,141 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-09 02:54:45,141 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 02:54:45,201 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-01-09 02:54:45,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 02:54:45,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759409543] [2025-01-09 02:54:45,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759409543] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 02:54:45,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 02:54:45,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-09 02:54:45,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383021472] [2025-01-09 02:54:45,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 02:54:45,204 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-09 02:54:45,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 02:54:45,204 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-09 02:54:45,204 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-09 02:54:45,205 INFO L87 Difference]: Start difference. First operand 14 states and 15 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 02:54:45,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 02:54:45,226 INFO L93 Difference]: Finished difference Result 21 states and 22 transitions. [2025-01-09 02:54:45,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-09 02:54:45,226 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2025-01-09 02:54:45,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 02:54:45,226 INFO L225 Difference]: With dead ends: 21 [2025-01-09 02:54:45,226 INFO L226 Difference]: Without dead ends: 17 [2025-01-09 02:54:45,227 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-09 02:54:45,227 INFO L435 NwaCegarLoop]: 6 mSDtfsCounter, 1 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 02:54:45,227 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 16 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 02:54:45,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2025-01-09 02:54:45,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 16. [2025-01-09 02:54:45,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.1333333333333333) internal successors, (17), 15 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 02:54:45,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions. [2025-01-09 02:54:45,230 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 12 [2025-01-09 02:54:45,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 02:54:45,230 INFO L471 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions. [2025-01-09 02:54:45,230 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 02:54:45,230 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2025-01-09 02:54:45,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-01-09 02:54:45,231 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 02:54:45,231 INFO L218 NwaCegarLoop]: trace histogram [4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 02:54:45,231 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-09 02:54:45,231 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 02:54:45,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 02:54:45,231 INFO L85 PathProgramCache]: Analyzing trace with hash 1558879401, now seen corresponding path program 1 times [2025-01-09 02:54:45,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 02:54:45,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875842049] [2025-01-09 02:54:45,232 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 02:54:45,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 02:54:45,244 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-01-09 02:54:45,256 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-01-09 02:54:45,257 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 02:54:45,257 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 02:54:45,360 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-01-09 02:54:45,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 02:54:45,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875842049] [2025-01-09 02:54:45,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1875842049] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 02:54:45,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [364413557] [2025-01-09 02:54:45,360 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 02:54:45,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 02:54:45,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 02:54:45,362 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 02:54:45,364 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-01-09 02:54:45,399 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-01-09 02:54:45,418 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-01-09 02:54:45,418 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 02:54:45,418 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 02:54:45,419 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-01-09 02:54:45,420 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 02:54:45,457 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-01-09 02:54:45,458 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-09 02:54:45,515 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-01-09 02:54:45,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [364413557] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-09 02:54:45,516 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-09 02:54:45,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7, 7] total 14 [2025-01-09 02:54:45,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172611687] [2025-01-09 02:54:45,516 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-09 02:54:45,516 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-01-09 02:54:45,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 02:54:45,516 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-01-09 02:54:45,517 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2025-01-09 02:54:45,517 INFO L87 Difference]: Start difference. First operand 16 states and 17 transitions. Second operand has 14 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 02:54:45,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 02:54:45,578 INFO L93 Difference]: Finished difference Result 69 states and 85 transitions. [2025-01-09 02:54:45,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-09 02:54:45,578 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2025-01-09 02:54:45,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 02:54:45,578 INFO L225 Difference]: With dead ends: 69 [2025-01-09 02:54:45,578 INFO L226 Difference]: Without dead ends: 50 [2025-01-09 02:54:45,579 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2025-01-09 02:54:45,579 INFO L435 NwaCegarLoop]: 7 mSDtfsCounter, 44 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 02:54:45,579 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 48 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 02:54:45,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2025-01-09 02:54:45,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 49. [2025-01-09 02:54:45,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 48 states have (on average 1.0416666666666667) internal successors, (50), 48 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 02:54:45,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 50 transitions. [2025-01-09 02:54:45,584 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 50 transitions. Word has length 15 [2025-01-09 02:54:45,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 02:54:45,584 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 50 transitions. [2025-01-09 02:54:45,584 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 02:54:45,584 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 50 transitions. [2025-01-09 02:54:45,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2025-01-09 02:54:45,585 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 02:54:45,585 INFO L218 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 02:54:45,591 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-01-09 02:54:45,787 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 02:54:45,787 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 02:54:45,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 02:54:45,788 INFO L85 PathProgramCache]: Analyzing trace with hash -1494050513, now seen corresponding path program 2 times [2025-01-09 02:54:45,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 02:54:45,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878706548] [2025-01-09 02:54:45,788 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-09 02:54:45,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 02:54:45,800 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 48 statements into 2 equivalence classes. [2025-01-09 02:54:45,821 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 48 of 48 statements. [2025-01-09 02:54:45,823 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-09 02:54:45,823 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 02:54:46,067 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2025-01-09 02:54:46,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 02:54:46,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878706548] [2025-01-09 02:54:46,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878706548] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 02:54:46,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1527380419] [2025-01-09 02:54:46,067 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-09 02:54:46,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 02:54:46,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 02:54:46,069 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 02:54:46,071 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-01-09 02:54:46,114 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 48 statements into 2 equivalence classes. [2025-01-09 02:54:46,136 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 48 of 48 statements. [2025-01-09 02:54:46,137 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-09 02:54:46,137 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 02:54:46,138 INFO L256 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-01-09 02:54:46,140 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 02:54:46,169 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2025-01-09 02:54:46,170 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-09 02:54:46,355 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2025-01-09 02:54:46,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1527380419] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-09 02:54:46,356 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-09 02:54:46,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 25 [2025-01-09 02:54:46,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997961820] [2025-01-09 02:54:46,356 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-09 02:54:46,356 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2025-01-09 02:54:46,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 02:54:46,357 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2025-01-09 02:54:46,357 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2025-01-09 02:54:46,358 INFO L87 Difference]: Start difference. First operand 49 states and 50 transitions. Second operand has 25 states, 25 states have (on average 1.36) internal successors, (34), 25 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 02:54:46,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 02:54:46,491 INFO L93 Difference]: Finished difference Result 146 states and 171 transitions. [2025-01-09 02:54:46,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-09 02:54:46,492 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 1.36) internal successors, (34), 25 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2025-01-09 02:54:46,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 02:54:46,492 INFO L225 Difference]: With dead ends: 146 [2025-01-09 02:54:46,492 INFO L226 Difference]: Without dead ends: 110 [2025-01-09 02:54:46,493 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2025-01-09 02:54:46,493 INFO L435 NwaCegarLoop]: 7 mSDtfsCounter, 148 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 02:54:46,494 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 51 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 02:54:46,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2025-01-09 02:54:46,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 61. [2025-01-09 02:54:46,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 60 states have (on average 1.0333333333333334) internal successors, (62), 60 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 02:54:46,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 62 transitions. [2025-01-09 02:54:46,506 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 62 transitions. Word has length 48 [2025-01-09 02:54:46,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 02:54:46,506 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 62 transitions. [2025-01-09 02:54:46,506 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 1.36) internal successors, (34), 25 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 02:54:46,506 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 62 transitions. [2025-01-09 02:54:46,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2025-01-09 02:54:46,507 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 02:54:46,507 INFO L218 NwaCegarLoop]: trace histogram [22, 11, 10, 10, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 02:54:46,514 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-01-09 02:54:46,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 02:54:46,708 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 02:54:46,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 02:54:46,708 INFO L85 PathProgramCache]: Analyzing trace with hash 499663151, now seen corresponding path program 3 times [2025-01-09 02:54:46,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 02:54:46,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679950877] [2025-01-09 02:54:46,708 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-09 02:54:46,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 02:54:46,728 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 60 statements into 12 equivalence classes. [2025-01-09 02:54:46,776 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) and asserted 58 of 60 statements. [2025-01-09 02:54:46,777 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2025-01-09 02:54:46,777 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 02:54:47,059 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2025-01-09 02:54:47,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 02:54:47,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679950877] [2025-01-09 02:54:47,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679950877] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 02:54:47,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1557906415] [2025-01-09 02:54:47,059 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-09 02:54:47,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 02:54:47,059 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 02:54:47,062 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 02:54:47,064 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-01-09 02:54:47,120 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 60 statements into 12 equivalence classes. [2025-01-09 02:54:48,475 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) and asserted 58 of 60 statements. [2025-01-09 02:54:48,475 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2025-01-09 02:54:48,475 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 02:54:48,479 INFO L256 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-01-09 02:54:48,482 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 02:54:48,560 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2025-01-09 02:54:48,561 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-09 02:54:48,800 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2025-01-09 02:54:48,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1557906415] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-09 02:54:48,800 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-09 02:54:48,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 27 [2025-01-09 02:54:48,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580451580] [2025-01-09 02:54:48,800 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-09 02:54:48,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2025-01-09 02:54:48,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 02:54:48,801 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2025-01-09 02:54:48,801 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=305, Invalid=397, Unknown=0, NotChecked=0, Total=702 [2025-01-09 02:54:48,802 INFO L87 Difference]: Start difference. First operand 61 states and 62 transitions. Second operand has 27 states, 27 states have (on average 2.925925925925926) internal successors, (79), 27 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 02:54:48,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 02:54:48,926 INFO L93 Difference]: Finished difference Result 113 states and 125 transitions. [2025-01-09 02:54:48,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-09 02:54:48,926 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 2.925925925925926) internal successors, (79), 27 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2025-01-09 02:54:48,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 02:54:48,927 INFO L225 Difference]: With dead ends: 113 [2025-01-09 02:54:48,927 INFO L226 Difference]: Without dead ends: 98 [2025-01-09 02:54:48,928 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 106 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=305, Invalid=397, Unknown=0, NotChecked=0, Total=702 [2025-01-09 02:54:48,928 INFO L435 NwaCegarLoop]: 6 mSDtfsCounter, 22 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 02:54:48,929 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 65 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 02:54:48,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2025-01-09 02:54:48,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 97. [2025-01-09 02:54:48,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 96 states have (on average 1.0208333333333333) internal successors, (98), 96 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 02:54:48,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 98 transitions. [2025-01-09 02:54:48,935 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 98 transitions. Word has length 60 [2025-01-09 02:54:48,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 02:54:48,936 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 98 transitions. [2025-01-09 02:54:48,936 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 2.925925925925926) internal successors, (79), 27 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 02:54:48,936 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 98 transitions. [2025-01-09 02:54:48,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2025-01-09 02:54:48,937 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 02:54:48,937 INFO L218 NwaCegarLoop]: trace histogram [23, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 02:54:48,949 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-01-09 02:54:49,138 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2025-01-09 02:54:49,138 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 02:54:49,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 02:54:49,139 INFO L85 PathProgramCache]: Analyzing trace with hash -925867089, now seen corresponding path program 4 times [2025-01-09 02:54:49,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 02:54:49,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243830189] [2025-01-09 02:54:49,139 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-09 02:54:49,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 02:54:49,159 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 96 statements into 2 equivalence classes. [2025-01-09 02:54:49,172 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 96 of 96 statements. [2025-01-09 02:54:49,175 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-09 02:54:49,175 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 02:54:49,756 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 737 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2025-01-09 02:54:49,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 02:54:49,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243830189] [2025-01-09 02:54:49,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243830189] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 02:54:49,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2087394764] [2025-01-09 02:54:49,757 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-09 02:54:49,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 02:54:49,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 02:54:49,760 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 02:54:49,762 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-01-09 02:54:49,827 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 96 statements into 2 equivalence classes. [2025-01-09 02:54:49,865 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 96 of 96 statements. [2025-01-09 02:54:49,865 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-09 02:54:49,866 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 02:54:49,867 INFO L256 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-01-09 02:54:49,870 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 02:54:49,925 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 737 trivial. 0 not checked. [2025-01-09 02:54:49,925 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-09 02:54:50,620 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 737 trivial. 0 not checked. [2025-01-09 02:54:50,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2087394764] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-09 02:54:50,620 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-09 02:54:50,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 25, 25] total 49 [2025-01-09 02:54:50,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761159140] [2025-01-09 02:54:50,620 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-09 02:54:50,621 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2025-01-09 02:54:50,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 02:54:50,622 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2025-01-09 02:54:50,623 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1130, Invalid=1222, Unknown=0, NotChecked=0, Total=2352 [2025-01-09 02:54:50,623 INFO L87 Difference]: Start difference. First operand 97 states and 98 transitions. Second operand has 49 states, 49 states have (on average 2.63265306122449) internal successors, (129), 49 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 02:54:50,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 02:54:50,888 INFO L93 Difference]: Finished difference Result 291 states and 340 transitions. [2025-01-09 02:54:50,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2025-01-09 02:54:50,888 INFO L78 Accepts]: Start accepts. Automaton has has 49 states, 49 states have (on average 2.63265306122449) internal successors, (129), 49 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2025-01-09 02:54:50,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 02:54:50,889 INFO L225 Difference]: With dead ends: 291 [2025-01-09 02:54:50,890 INFO L226 Difference]: Without dead ends: 194 [2025-01-09 02:54:50,891 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=1130, Invalid=1222, Unknown=0, NotChecked=0, Total=2352 [2025-01-09 02:54:50,894 INFO L435 NwaCegarLoop]: 7 mSDtfsCounter, 184 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-09 02:54:50,894 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 102 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-09 02:54:50,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2025-01-09 02:54:50,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 193. [2025-01-09 02:54:50,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 192 states have (on average 1.0104166666666667) internal successors, (194), 192 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 02:54:50,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 194 transitions. [2025-01-09 02:54:50,911 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 194 transitions. Word has length 96 [2025-01-09 02:54:50,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 02:54:50,911 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 194 transitions. [2025-01-09 02:54:50,911 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 2.63265306122449) internal successors, (129), 49 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 02:54:50,911 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 194 transitions. [2025-01-09 02:54:50,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2025-01-09 02:54:50,913 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 02:54:50,913 INFO L218 NwaCegarLoop]: trace histogram [47, 46, 46, 46, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 02:54:50,920 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-01-09 02:54:51,118 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 02:54:51,118 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 02:54:51,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 02:54:51,119 INFO L85 PathProgramCache]: Analyzing trace with hash -2059257681, now seen corresponding path program 5 times [2025-01-09 02:54:51,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 02:54:51,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145671876] [2025-01-09 02:54:51,119 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-09 02:54:51,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 02:54:51,147 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 192 statements into 47 equivalence classes. [2025-01-09 02:54:51,358 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) and asserted 192 of 192 statements. [2025-01-09 02:54:51,358 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2025-01-09 02:54:51,359 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 02:54:52,880 INFO L134 CoverageAnalysis]: Checked inductivity of 4278 backedges. 0 proven. 3197 refuted. 0 times theorem prover too weak. 1081 trivial. 0 not checked. [2025-01-09 02:54:52,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 02:54:52,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145671876] [2025-01-09 02:54:52,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145671876] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 02:54:52,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [338355963] [2025-01-09 02:54:52,880 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-09 02:54:52,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 02:54:52,881 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 02:54:52,882 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 02:54:52,883 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-01-09 02:54:52,958 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 192 statements into 47 equivalence classes. [2025-01-09 02:55:09,084 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) and asserted 192 of 192 statements. [2025-01-09 02:55:09,084 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2025-01-09 02:55:09,084 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 02:55:09,099 INFO L256 TraceCheckSpWp]: Trace formula consists of 693 conjuncts, 48 conjuncts are in the unsatisfiable core [2025-01-09 02:55:09,103 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 02:55:09,195 INFO L134 CoverageAnalysis]: Checked inductivity of 4278 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 3197 trivial. 0 not checked. [2025-01-09 02:55:09,195 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-09 02:55:11,168 INFO L134 CoverageAnalysis]: Checked inductivity of 4278 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 3197 trivial. 0 not checked. [2025-01-09 02:55:11,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [338355963] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-09 02:55:11,168 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-09 02:55:11,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 49, 49] total 97 [2025-01-09 02:55:11,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922246246] [2025-01-09 02:55:11,168 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-09 02:55:11,169 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 97 states [2025-01-09 02:55:11,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 02:55:11,171 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2025-01-09 02:55:11,174 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=4562, Invalid=4750, Unknown=0, NotChecked=0, Total=9312 [2025-01-09 02:55:11,174 INFO L87 Difference]: Start difference. First operand 193 states and 194 transitions. Second operand has 97 states, 97 states have (on average 2.5670103092783507) internal successors, (249), 97 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 02:55:12,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 02:55:12,049 INFO L93 Difference]: Finished difference Result 579 states and 676 transitions. [2025-01-09 02:55:12,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2025-01-09 02:55:12,050 INFO L78 Accepts]: Start accepts. Automaton has has 97 states, 97 states have (on average 2.5670103092783507) internal successors, (249), 97 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 192 [2025-01-09 02:55:12,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 02:55:12,051 INFO L225 Difference]: With dead ends: 579 [2025-01-09 02:55:12,051 INFO L226 Difference]: Without dead ends: 386 [2025-01-09 02:55:12,053 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 432 GetRequests, 337 SyntacticMatches, 0 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=4562, Invalid=4750, Unknown=0, NotChecked=0, Total=9312 [2025-01-09 02:55:12,054 INFO L435 NwaCegarLoop]: 7 mSDtfsCounter, 571 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 295 mSolverCounterSat, 237 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 571 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 237 IncrementalHoareTripleChecker+Valid, 295 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-09 02:55:12,054 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [571 Valid, 171 Invalid, 532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [237 Valid, 295 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-09 02:55:12,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2025-01-09 02:55:12,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 385. [2025-01-09 02:55:12,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 385 states, 384 states have (on average 1.0052083333333333) internal successors, (386), 384 states have internal predecessors, (386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 02:55:12,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 386 transitions. [2025-01-09 02:55:12,068 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 386 transitions. Word has length 192 [2025-01-09 02:55:12,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 02:55:12,068 INFO L471 AbstractCegarLoop]: Abstraction has 385 states and 386 transitions. [2025-01-09 02:55:12,069 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 97 states, 97 states have (on average 2.5670103092783507) internal successors, (249), 97 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 02:55:12,069 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 386 transitions. [2025-01-09 02:55:12,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2025-01-09 02:55:12,072 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 02:55:12,072 INFO L218 NwaCegarLoop]: trace histogram [95, 94, 94, 94, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 02:55:12,094 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-01-09 02:55:12,273 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2025-01-09 02:55:12,273 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 02:55:12,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 02:55:12,274 INFO L85 PathProgramCache]: Analyzing trace with hash -2105613649, now seen corresponding path program 6 times [2025-01-09 02:55:12,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 02:55:12,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124607764] [2025-01-09 02:55:12,274 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-09 02:55:12,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 02:55:12,313 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 384 statements into 95 equivalence classes. [2025-01-09 02:55:13,381 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) and asserted 384 of 384 statements. [2025-01-09 02:55:13,381 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) [2025-01-09 02:55:13,382 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 02:55:18,041 INFO L134 CoverageAnalysis]: Checked inductivity of 17766 backedges. 0 proven. 13301 refuted. 0 times theorem prover too weak. 4465 trivial. 0 not checked. [2025-01-09 02:55:18,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 02:55:18,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124607764] [2025-01-09 02:55:18,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124607764] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 02:55:18,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [449405391] [2025-01-09 02:55:18,042 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-09 02:55:18,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 02:55:18,042 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 02:55:18,043 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 02:55:18,044 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-01-09 02:55:18,171 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 384 statements into 95 equivalence classes.